研究论文

• The Formation and Differentiation of the Diversity of Malus toringoidesHughes.
• Deng Hongping;Cheng Minghao;Zhou Zhiqin;and Li Xiaolin
• Acta Horticulturae Sinica. 2002, 29(2): 95-99.
• Abstract ( 1508 ) HTML ( 931 ) PDF (197KB) ( 931 ) 　　　
• Malus toringoides Hughes. , being complex diversities in morphological characters, germplasms,distributing habitats and resistance to adverse conditions, is an important apple germplasm. There are a number of
  different types derived from Malus toringoides. The concept ion of population, pictorial scatter diagrams and hybrid index is adopted to invest igate the variation and differentiation among the plants in M. toringoides , M. transitoria and M. kansuensis . M. toringoides is a species of facultative apomixis. It can produce variations through intro gressive hybridization with M. transitoria and ( or) M. kansuensis , then maintain the new genetic variat ion through
  facultative apospory. After millions of years of multiplying, it has become a complicated hybrid population hybrid complex of three species of Malus. Through invest igat ing the rate of gene recombinat ion, the mutation and gene bank of descendants, the genetic mechanism of highly resistance to adverse condit ions could be revealed. In order to maintain and increase diversities of this species, wed better culture M. kansuensis and M. transitoria in populations of M. toringoides .
  
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• Development of a SCAR Marker Linked to Co Gene of Apple from an AFLPMarker
• Wang Caihong;;Wang Qian;Dai Hongyi;Tian Yike;Jia Jianhang;Shu Huairui;and Wang Bin
• Acta Horticulturae Sinica. 2002, 29(2): 100-104.
• Abstract ( 1389 ) HTML ( 1344 ) PDF (230KB) ( 1344 ) 　　　
• In this study , an AFLP marker of Co gene of apple was converted into a SCAR marker successfully. After sequencing of the AFLP marker fragment , two pairs of primers CoA1/ CoA2 and CoA1/ CoA3 were designed according to the nucleotide sequence. PCR results from apple genomic DNA showed that CoA1/ CoA2 could amplify two bands with the size of 216bp and 148bp respectively , and the one of 216bp was the character band of columnar phenotype ; CoA1/ CoA3 could amplified two bands too , and the size was 273bp and 205bp respectively , the former one was the character band of columnar phenotype. Both of the two pairs of primers have high correct rate in judgment of columnar growth habit ( > 90 %) , so either of them can be served as special primers of this SCAR marker for rapid selection.
  
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• Detecting the Seedless Characteristics of the Grapes in China with DNA Probeand DNA Marker Assistant Selection
• Wang Yuejin;Yang Yingjun;Zhou Peng;Zhang Jianxia;and Wang Xiping
• Acta Horticulturae Sinica. 2002, 29(2): 105-108.
• Abstract ( 1378 ) HTML ( 1110 ) PDF (223KB) ( 1110 ) 　　　
• The paper reported the detection proficiency of the seedlessness in 21 seedless grape cultivars and 9 seeded ones using a specific primer which was a probe available for detecting seedless genes in grapes’genome. The
  results showed that the specific probe could be accurately used in the cultivars cultured in China. The preselection of seedlessness was also reached in cross combination‘seeded cultivars (Red Globe ) ×seedless one (Flame seedless) ’progenies. It furthermore demonstrated that the seedlessness in grapes was controlled by multigenes and the specific genetic marker was linked to one of the seedless genes in grapes.
  
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• The Transformation of gfp in Cleopatra ( Citrus reticulata ) Mediated byAgrobacterium tumefaciens
• Shi Wei;Li Dongdong;Deng Xiuxin;and Yi Hualin
• Acta Horticulturae Sinica. 2002, 29(2): 109-112.
• Abstract ( 1374 ) HTML ( 1643 ) PDF (294KB) ( 1643 ) 　　　
• The callus of Cleopatra ( Citrus reticulata) , a citrus rootstock cultivar , was transformed by the strain of Agrobacterium tumef aciens EHA105 carrying gfp gene. The callus of Cleopatra ( Citrus reticulata) was co cultivation with A. tumef aciens and selected with hygromycin , as led to the regeneration of resistant embryogenic callus and later to plantlets. The plants were verified GFP2transgenic plants by GUS analysis , GFP2fluorescent detection , PCR amplification and Southern hybridization.
  
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• Influence of Sink or Source Change on Fruit Characteristics in Kiwifruit
• Fang Jinbao;Tian Lili;Chen Jinyong;Zhang Weiyuan;and Li Shaohua
• Acta Horticulturae Sinica. 2002, 29(2): 113-118.
• Abstract ( 1313 ) HTML ( 1163 ) PDF (240KB) ( 1163 ) 　　　
• The adjustment of leaf/ fruit ratio, girdling and the application of CPPU were taken to investigate the influence of sink or source change on fruit characteristics in Qinmei ( Actinidia deliciosa) . The results showed that the fruit size fluctuated more remarkably than fruit quality and other characteristics after different treatments. The leaf/ fruit ratio 2- 41 in fruiting lateral could meet the normal demand of fruit growth and development. The
  competitive ability of fruit not source strength is a major factor determining the final fruit size. The relationship be btween cell number and fruit size as well as that between hardness and Ca content was discussed.
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• Physiological Effects of H₂O₂ and Ca²⁺ on Cold stressed Banana Seedlings
• Kang Guozhang;Tao Jun;Sun Guchou;and Wang Zhengxun
• Acta Horticulturae Sinica. 2002, 29(2): 119-122.
• Abstract ( 1491 ) HTML ( 1388 ) PDF (189KB) ( 1388 ) 　　　
• The banana (Musa acuminata AAA group) seedlings were sprayed with single or mixed H₂O₂ and CaCl₂ and exposed to 7 ℃low temperature for 24 h. The increase of POD activities and soluble sugar contents and alleviation of cell membranes leakage and chlorophylls decomposition in banana seedling leaves were observed during cold stress and recovery periods. The mixed H₂O₂ and CaCl₂ had a synergism on these aspects. The results also showed that H₂O₂ had better effects in increasing peroxidase activities and Chl . b contents than those of CaCl₂ , but CaCl₂ had advantage effects on soluble sugar and Chl . a contents. POD activies had a significant opposite realation with electric leakage and it may suggest that increasing POD activities could help to decrease the leakage of cell membranes during low temperature period.
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• Effects of Low Light on Morphological and Physiological Indexes of Tomato atDifferent Growth Stages
• Hou Xingliang;Li Jingfu;and Xu Xiangyang
• Acta Horticulturae Sinica. 2002, 29(2): 123-127.
• Abstract ( 1356 ) HTML ( 1644 ) PDF (203KB) ( 1644 ) 　　　
• In the experiment, the morphological and physiological changes of tomato at different growth stages under low light were studied. The results showed that the tomato seedlings had a tendency of overgrowing under low
  light. Low light at seedling stage led to the increase of SLW, LAR, Chlorophyll Content, Chlorophyll b/ a value and percentage of fruit setting and the decrease of soluble sugar and protein content. While the low light at
  blooming and setting stage led to the increase of POD activity and soluble sugar content and the decrease of the percentage of fruit settings, comparing with that at seedling stage.
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• Intraspecific Cybrids in Carrot ( Daucus carota L. ) Obtained from AsymmetricProtoplast Fusion
• Si Jiagang;Zhu Dewei;Du Yongchen;and Zhao Zhiwei
• Acta Horticulturae Sinica. 2002, 29(2): 128-132.
• Abstract ( 1760 ) HTML ( 1249 ) PDF (349KB) ( 1249 ) 　　　
• UV irradiated protoplasts ( donor protoplasts) isolated from petaloid cytoplasmic sterile line 7-0-8 were fused with 15 mM iodoacetamide treated protoplasts ( recipient protoplasts) isolated from fertile material 66-3 by using electronic fusion method, 33 plants were regenerated from fusion cells. All regenerated plants were diploid with chromosome number of 18, and they possessed the identical vegetative morphology to the recipient parent 66􀀁3.
  In PCR amplification with mtDNA specific primers ( STS4 primer combination) , all regenerated plants obtained one same specific band which was identical to donor parent and different from recipient parent. The results indicated that
  all regenerated plants were cybrids. In this experiment, 4 plants identified for their flower morphology were petaloid male sterile, which proved that intraspecific cybrids in carrot were obtained by asymmetric protoplast fusion and car rot petaloid cytoplasmic male sterility was successfully transferred from donor parent line 7-0-8 to fertile line 66-3.
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• Inheritance of Tomato Wo^mz Gene and the Value of the Gene in Tomato Breeding
• Chai Min and Ding Yunhua
• Acta Horticulturae Sinica. 2002, 29(2): 133-136.
• Abstract ( 1731 ) HTML ( 1157 ) PDF (281KB) ( 1157 ) 　　　
• The inheritance of Wo^mzin tomato line LS1371 ( Lycopersicon esculentium Miller) was studied.Womz gene is one of hairy genes in Wooly series, which determined the hairy characters in tomato. The results showed that Wo^mz gene was incompletely dominant. The genotype of Wo^mz/ Wo is effective for reducing the amount of insect pests ( aphids and leaf miners) on tomato plants.
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• Induction of Resistance to Phytophthora capsici in Pepper Plants by DL-β-aminon-butyric acid
• Xie Bingyan;Li Huixia;and Feng Lanxiang
• Acta Horticulturae Sinica. 2002, 29(2): 137-140.
• Abstract ( 1503 ) HTML ( 892 ) PDF (158KB) ( 892 ) 　　　
• DL-β-aminon-butyric acid ( BABA) that was applied as a foliar spray to pepper plants induced resistance to a challenge infection with Phytophthora capsici . A relatively high concentration of BABA at 1 000 g/mL, which had no antifungal activity in vitro against P . capsici , was required to induce resistance against Phytophthora blight with a foliar and stem spray, thus leading to complete control of the disease. About 3 days interval
  between BABA􀀁treatment and challenge inoculat ion was sufficient to induce resistance in pepper plants, and the in duced resistance could be retained more than 20 days after BABA􀀁treatment. High inoculum levels of P . capsici
  caused Phytophthora development slowly in pepper foliar treated with BABA, especially at early plant growth stage, which suggests that the induced resistance in pepper plants may be more quantitative rather than qualitative.
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• Efficient Plant Regeneration Via Root Tip Culture of Allium tuberosum Rottl.ex Spreng.
• Zhang Song;Da Kedong;Cao Chenxing;Cao Shurong;and Huang Jinli
• Acta Horticulturae Sinica. 2002, 29(2): 141-144.
• Abstract ( 1842 ) HTML ( 1189 ) PDF (268KB) ( 1189 ) 　　　
• An efficient plant regeneration system was established through optimization of hormone combinat ion, genotype, seedling age and root induction medium in root tip culture of Chinese chive. Data showed that the best medium for callus and adventitious shoot differentiation wasMS medium supplemented with 1 mg/ L NAA and 2 mg/L BA. Shoot induction rate of 91-1, 91-8, Baoding Honggen, Shouguang Malinjiu and Lanzhou Xiaojiu were 78. 7%, 83. 7 % , 81. 9 %, 76. 7 % and 73. 3 %, while the average shoot number per explant were 40. 1 , 46. 7 , 36. 3 , 35. 4 and 44. 5 respect ively. Root t ips taken from plantlets 7 to 10 day old seedlings showed the highest regeneration ability. MS medium without growth regulators was optimum for root formation of regenerated shoots with 100% root induction rate and 14. 5 roots per shoot. Kanamycin inhibited callus and shoot induction definitely at 20 mg/ L. Carbenicillin and Cefotaxime had inhibit ing effects on callus induction and shoot regeneration at Carbenicillin 500 mg/ L and Ceftaxime 300 mg/ L respectively. The effect of Timent in was not obviously, with the inhibition effect only lying in the reduction of shoot number induced from callus.
  
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• Ultrastructure and Photosynthetic Characters of Leaf Chloroplast in GlabrousCucumber
• Cao Chenxing;Zhang Song;Guo Hongyun;and Guo Yankui
• Acta Horticulturae Sinica. 2002, 29(2): 145-148.
• Abstract ( 1427 ) HTML ( 1372 ) PDF (225KB) ( 1372 ) 　　　
• The ultrastructure and photosynthetic characters of chloroplast were investigated at setting stage in leaves of glabrous and normal cucumbers. Compared with that of normal cucumber , the structure of photosynthetic
  apparatus in glabrous cucumber was simple with less numbers of chloroplast and grana as well as the grana lamellae. The contents of chlorophyll a and b and carotenoid in glabrous cucumbers only reached half of the content in normal one. Therefore , the capacity of capturing light energy was low. The photosynthetic rate of glabrous was obviously lower than that of normal , no more than half of normal cucumber during most times in a day. Diurnal change of photosynthetic rate of glabrous was unimodal distribution with the maximum occurring at 11 :00 , whereas diurnal patterns of normal one displayed bimodal distribution which two peaks occurred at 10 :00 and 12 :00 . The photosynthetic rate of glabrous cucumber increased as CO₂ concentration increased , the maximum reached 1300μL·L ^{- 1} of CO₂ , but its level was significantly lower than that of normal cucumber under the same CO₂ concentration.
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• Effects of Calcium on Nutrient Absorption and Growth and Development ofLactuca sativa var. longifolia Lam. in Nutrient Film Technique Culture
• Fan Shuangxi and Ito Tadashi
• Acta Horticulturae Sinica. 2002, 29(2): 149-152.
• Abstract ( 1671 ) HTML ( 1274 ) PDF (151KB) ( 1274 ) 　　　
• Mutual relations between calcium ( Ca) and other main elements and the effects of Ca on the growth and development of lettuce in NFT culture were studied. Results showed that Ca deficiency resulted in a reduct ion of
  Chlorophyll, an increase in the incidence of tipbum and a decrease of both fresh and dry weigh, all these changes are the major reasons of low yield and bad quality. During the mid􀀁 and later growing period, Ca disturbance was easily appeared in inner leaves of plant. Assimilation of potassium ( K) and magnesium (Mg) was retarded by excessive Ca, while that of nitrogen ( N) and phosphor ( P) was little affected. Ca was less effect ive if the proportion of NH₄⁺ -N in nutrient solution was increased.
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• Change of Polyamine Oxidase Activity during Cowpea Seed Germination and Its Influencing Factors
• He Shenggen;Huang Xuelin;and Fu Jiarui
• Acta Horticulturae Sinica. 2002, 29(2): 153-157.
• Abstract ( 1541 ) HTML ( 1205 ) PDF (318KB) ( 1205 ) 　　　
• No PAO activity was detected in ungerminated cowpea (Vigna unguiculata L. ) seeds (form 0 to 24 h after imbibition) , but it could be detected in the plumule , cotyledons and embryonic axis of the germinatingseeds whose radicles were just visible (36 h after imbibition) . The PAO activities in these three parts increased at different rates during germination , while no PAO could be detected in radicle at all times. Soaking with Act2D only inhibited the seed germination by 27. 6 % , but CHM could inhibit the germination by 90. 6 %. Moreover , the inhibitions of the PAO activity in the plumule and cotyledons by Act2D were just 29. 1 % and 33. 3 % , and those by CHM were up to 87. 2 % and 85. 4 % respectively. Light had a remarkable inhibitory effect on the PAO activity in plumule and cotyledons. Soaking with putrecine (0. 1 and 0. 5 mmol/ L) or CuCl₂ (10μmol/ L) for 6 h could enhance the activity of PAO.
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• Evaluation on Ornamental Characteristics and Selection for Promising Species of Native Zingiberaceous Plants in China
• Gao Jiangyun;Chen Jin;and Xia Yongmei
• Acta Horticulturae Sinica. 2002, 29(2): 158-162.
• Abstract ( 1747 ) HTML ( 2172 ) PDF (219KB) ( 2172 ) 　　　
• Zingiberaceous plants are very valuable as ornamental plants. China is very rich in Zingiberaceae flora. However , systemic research on ornamental characteristics of native Zingiberaceous plants in China is relatively
  weak. Based on the observation in Zingiberaceae collection , which include 93 species and 4 varieties in 13 genera , we carry out a systemic evaluation on the ornamental characteristics of the plants. All the plants are classified as 4
  ornamental groups and 16 species have been proposed to be of relatively high ornamental value with good potential for marketing.
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研究报告

• The Effect of Cytokinin on Sex Conversion of Male Plants of Vitis amurensis
• Ai Jun;Li Aimin;Li Changyu;Wang Jun;and Shen Yujie
• Acta Horticulturae Sinica. 2002, 29(2): 163-164.
• Abstract ( 1578 ) HTML ( 1061 ) PDF (116KB) ( 1061 ) 　　　
• Through the sex conversion experiment of Vitis amurensis , it was found that the effect of 100 mg/ kg KT230S on the sex conversion of male plants was most stable and reliable in the treatments of 62BA or KT230S that
  was used 20 days before flowering , as a result , the fruit setting rate of inflorescence could reach 96. 7 %. It was also found that there were differences in the fruit characters among different male plants. There was high germination percentage of seeds in conversion plants and the highest was 24. 34 %.
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• Effect of Packaging with Different Functional Films on Storage of Banana Fruit
• Xu Buqian and Yu Xiaolin
• Acta Horticulturae Sinica. 2002, 29(2): 168-170.
• Abstract ( 1567 ) HTML ( 1424 ) PDF (239KB) ( 1424 ) 　　　
• The functional properties of different so called“functional film”, such as absorbability of ethylene in the package , were investigated as well as respiration , ethylene production , hardness and peel color index of
  banana fruit at 20 ℃which was packaged with 4 kinds of functional film made in Japan and a normal LDPE film as control based on gas permeability of the films. The functional films could not absorb and remove ethylene gas in the
  package and , thus , the permeability of the film was the main effective factor for fruit storage in MA package at certain temperature.
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• Differences of S-glycoprotein Content in the Styles among Pear Cultivars Differing in Self incompatible Strength
• Zhang Shaoling;Yang Jigun;Li Xiugen;Shin Hiratsuka;and Joseph Ngwela Wolukau
• Acta Horticulturae Sinica. 2002, 29(2): 168-167.
• Abstract ( 1073 ) HTML ( 1301 ) PDF (138KB) ( 1301 ) 　　　
• Stylar soluble proteins were extracted from the whole style of pear cultivars differing in self􀀁incom patibility ( SI) strength and were separated by isoelectricfocusing polyacrylamide gel electrphoresis ( IEF􀀁PAGE) and each S-glycoprotein content was quantif ied by an image analyzer. Total S-glycoprotein ( sum of two allelic􀀁linked S glycoproteins) content differed among cultivars. The cult ivars which were strong SI, weak SI and sel􀀁compatibility contained 􀀂1. 3 ng, 0. 7 - 0. 9 ng, and 0. 7 ng of S􀀁glycoprotein per 􀀁g of stylar soluble protein, respectively. S-allele linked glycoprotein content differed greatly in various S-genotypes. Furthermore, the S-glycoprotein content was even different in cultivars with the same S genotype.
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• Studies on Browning of Walnut Explants in in Vitro Culture
• Liu Lanying
• Acta Horticulturae Sinica. 2002, 29(2): 171-172.
• Abstract ( 1288 ) HTML ( 1350 ) PDF (116KB) ( 1350 ) 　　　
• A study was carried out on affecting factors of browning of walnut explants in in vitro culture . The results showed that the browning rate of walnut explants in in vitro culture could be increased with using the higher
  culturing temperature , using the stem segment lignified as explant , and supplementing with high concentration of salt and cytokinin in medium. Some additions in medium could effectively prevent walnut explants from browning.
  
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• Studies on Browning of Walnut Explants in in Vitro Culture
• Liu Lanying
• Acta Horticulturae Sinica. 2002, 29(2): 171-172.
• Abstract ( 1169 ) HTML ( 1133 ) PDF (116KB) ( 1133 ) 　　　
• A study was carried out on affecting factors of browning of walnut explants in in vitro culture . The results showed that the browning rate of walnut explants in in vitro culture could be increased with using the higher
  culturing temperature , using the stem segment lignified as explant , and supplementing with high concentration of salt and cytokinin in medium. Some additions in medium could effectively prevent walnut explants from browning.
  
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• Effects of Spermidine on the Anti-Oxidization Enzyme of Kiwifruit during storage
• Yan Ruixiang;Wang Rencai;and Guan Wenqiang
• Acta Horticulturae Sinica. 2002, 29(2): 173-175.
• Abstract ( 1619 ) HTML ( 1539 ) PDF (129KB) ( 1539 ) 　　　
• The effects of various Spd treatment on the anti2oxidization enzymes and quality of kiwifruit (Actinidia Chinensis) were studied. The results showed that the peak of superoxide dismutase (SOD) activity has appeared after 12 days storage at (8 ±2) ℃, Comparatively , the peak of peroxidase ( POD) 、catalase (CAT) 、ascorbate specific peroxidase (ASP) activity postponed appearing after 25 days. All the Spd treatments postponed the appearance of SOD activity peak , increased SOD and CAT activity ; decreased the accumulation of malodiadehoyde (MDA) ; cut down POD activity peak , extended the time of storage. Spd and Spd + NAA dipping fruit treatments , were more effective than other treatment .
  
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• In Vitro Culture of Tetraploids of Aloe vera L.
• Wang Li;Zheng Sixiang;and Gu Zhijian
• Acta Horticulturae Sinica. 2002, 29(2): 176-178.
• Abstract ( 1386 ) HTML ( 953 ) PDF (139KB) ( 953 ) 　　　
• We used adventitious buds as explants for tissue culture to rapidly propagate tetraploid, and to purify and stabilize the buds of chimera. The results showed that the opt imal culture media are: MS+ 6-BA 1 mg/
  L for differentiation of advent itious buds and successive transfer culture, and MS+ IBA 2 mg/ L+ NAA 0. 3 mg/ L + AC 0. 3% for successfully propagation and differentiation of roots.
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• Photosynthetic Characteristic and Nutrient Absorption Characteristic of TwoGrafted Cucumber Seedlings
• Sun Yan and Huang Wei
• Acta Horticulturae Sinica. 2002, 29(2): 179-180.
• Abstract ( 1396 ) HTML ( 1119 ) PDF (91KB) ( 1119 ) 　　　
• Photosynthetic characteristic and nutrient absorption characterist ic of two grafted cucumber seedlings at the same rootstock were studied. The results showed that nutrient absorption ability of two grafted seedlings was much higher than that of auto􀀁root seedlings; the chlorophyll content , Pn and Shoot DW of 'Nongcheng 4' grafted seedlings were much higher than that of auto root seedlings.
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• In Vitro Shoot Differentiation from Cotyledon Explants of Lettuce
• Zhu Luying;;Liu Ling;Meng Xiangdong;and Zhang Zhenxian
• Acta Horticulturae Sinica. 2002, 29(2): 181-182.
• Abstract ( 1326 ) HTML ( 1070 ) PDF (234KB) ( 1070 ) 　　　
• An efficient and fast method for shoot differentiation from cotyledon explants of lettuce (Lactuca sativa L. ) was developed. Shoot differentiation rate of lettuce cultivars reached as high as 100 % , each explant produced up to 5 - 6 seedlings. Factors influencing in vitro explant differentiation were studied. The shoot differentiation and enlongation rate were improved by using cotyledon of three days as explant . The regeneration period from lettuce cotyledon explants to a seedling was shortened to 30 - 35 days.
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• Analysis on Factors Affecting in Vitro Propagation of Large-Flowered Hybridsof Cymbidium
• Xu Hongying;Zhao Yuming;Xie Haijun;and Wang Fang
• Acta Horticulturae Sinica. 2002, 29(2): 183-185.
• Abstract ( 1372 ) HTML ( 1757 ) PDF (170KB) ( 1757 ) 　　　
• At in vitro propagation of large2flowered hybrids of Cymbidium , cytokinins BA and KT are favorable to the induction of Protocorm Like-Body , but ZT does not , and cytokinins BA and auxin NAA all have significant effects on the induction and proliferation of ProtocormLike-Body , furthermore , BA has significant effect on the growth and proliferation of shoots. Low level of sucrose is required during induction of ProtocormLike Body and shoots differentiation. The key to rooting and strong sprout lies in suitable combination of GA and the banana mud.
  
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新品种

• A New Early Mature Grape Variety‘90- 1’
• Zhang Guohai;Shi Guo an;Lin Fangli;and Zhang Yimin
• Acta Horticulturae Sinica. 2002, 29(2): 186-186.
• Abstract ( 7299 ) HTML ( 1210 ) PDF (169KB) ( 1210 ) 　　　
• The new grape variety‘90- 1’ was selected from the bud mutation of 􀀂 Zhana . The strong early maturity is the most striking characteristics besides the high quality and high yield, and is suitable for protected production. It ripens at the end of June in Luoyang area. Fruit growth period is 35 days.
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• A New Pear Cultivar——‘Xueqing’
• Shen Dexu;Lin Bonian;Yan Genhong;Huang Maiping;Ran Zhilin;and Zhou Yongnian
• Acta Horticulturae Sinica. 2002, 29(2): 187-187.
• Abstract ( 1521 ) HTML ( 963 ) PDF (182KB) ( 963 ) 　　　
• ‘Xueqing’ pear was bred by interspecific hybridization resulting from the cross of Xuehua! (♀)and New Century! (♂) . It is a early ripening new cultivar with excellent quality. Fruit mass 300- 400 g, are round with green color, tender crisp texture and sweet taste. It is of high productivity and strong resistance.
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• A New Large size and High-quality Longan Variety‘Shuinan 1’
• Peng Jianping;Huang Guosui;Huang Meide;Liu Guoqiang;Cai Siming
• Acta Horticulturae Sinica. 2002, 29(2): 188-188.
• Abstract ( 1427 ) HTML ( 1138 ) PDF (62KB) ( 1138 ) 　　　

• ‘Shuinan 1’, a new variety of longan, was selected from variat ion of seedlings. The regional trial and test in and out of Fujian province showed that it is genetically stable in vegetative progeny, and that it has excellent characteristics such as largesize, good quality, hiyh and stable yield, resistance to longanwitehes broom virus.

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• ‘Jiguang’—A New Table and Processing Apricot Cultivar
• Zhao Xiping;Chai Juhua;Yang Li;Chang Zhentian;Lin Yuyi;and Yang Yun
• Acta Horticulturae Sinica. 2002, 29(2): 189-189.
• Abstract ( 1251 ) HTML ( 881 ) PDF (63KB) ( 881 ) 　　　
• ‘Jiguang’-obtained by sexual hybridizat ion with ‘Chuanzhihong’ and ‘Erhong’, is a new middle and late-ripening apricot cultivar. It has some good characters, such as early ripening, beaut iful appearance, excellent table and processing quality, as well as high yield. It can be planted in adaptable areas of north China.
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• ‘Ben Lomond’—A New Cultivar of Black Currant
• Li Yadong;Wu Lin;Zhang Zhidong;Liu Hongzhang;Chen Huidu;andHao Rui
• Acta Horticulturae Sinica. 2002, 29(2): 190-190.
• Abstract ( 1474 ) HTML ( 897 ) PDF (173KB) ( 897 ) 　　　
• A new promising black currant cultivar Ben Lomond which adapted to the Northeast and Westeast areas in China for commercial cultivation were selected from the introduced cultivars from Poland, Danmark and the United States. It is characterized by very high yields, cold resistant , large fruit size, lateripen, high sugar content and high disease resistant .
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• ‘Zhefen 202’—A New Tomato Hybrid Special for Protected Cultivation
• Acta Horticulturae Sinica. 2002, 29(2): 191-191.
• Abstract ( 1437 ) HTML ( 950 ) PDF (171KB) ( 950 ) 　　　
• ‘Zhefen’—202 is a new indeterminate tomato hybrid special for protected culture in autumn winter of winter spring season with high quality. It is high resistant to leafmold, TMV and fusarium wilt. The yield can reach 150 t / hm² with high propping culture or 80 t / hm² with short propping culture.
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• A New Tomato Hybrid—‘Yuhong 6’
• Wang Wenqiang;Yin Xiangui;Zhang Yun;Pan Guanghui;and Yang Qifeng
• Acta Horticulturae Sinica. 2002, 29(2): 192-192.
• Abstract ( 1390 ) HTML ( 810 ) PDF (61KB) ( 810 ) 　　　
• A new tomato hybrid, Yuhong 6! has been released. It is determinate fruits are big and red with high quality. Average fruit mass is about 230 g. It is resistant to Fusarium wilt, middle resistant to TMV, and tolerant to low temperature and poor light. Average yield is 63. 9 t / hm². It is suitable to culture both in protection and open field.
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• A New Cucumber Hybrid—‘Xiang huanggua 6’
• Wang Anle;Zhu Haiquan;Tang Shujiang;and Liang Mingyi
• Acta Horticulturae Sinica. 2002, 29(2): 193-193.
• Abstract ( 1291 ) HTML ( 845 ) PDF (61KB) ( 845 ) 　　　
• ‘Xiang huanggua 6’is a new hybrid from crossing L_{88- 6}with J_{4- 11}. It grows vigorously with high resistant to downy mildew, virus and fusarium wilt . It takes only 45- 50 days from sowing to first harvesting. It yields 43. 7 % higher than that of ‘Jinyan 7’. Average fruit mass is about 280- 300 g. Fruits are dark green, sweet and crispy with high marketable percentage.
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• Cabbage Variety for Growing in Summer—Autumn and Winter‘Qingan 70’
• Cheng Yong an;Zhang Enhui;Xu Zhongmin;Wang Yanni;andMa Qingshan
• Acta Horticulturae Sinica. 2002, 29(2): 194-194.
• Abstract ( 1311 ) HTML ( 832 ) PDF (64KB) ( 832 ) 　　　
• ‘Qingan 70’ is a hybrid of self incompatibility line HS7221-369 crossing with the self incompatibility line FT63-2815. The characteristics of this hybrid are resistant to TuMV, CMV and black rot, tolerant to cold and heat . It has good quality and high yield. The yield is about 65 t/ hm², 15. 2 % higher than‘Zhonggan 8’. It can be planted in winter and summer autumn in middle lower reaches of yellow River and in middle lower reaches and the south of Changjiang River.
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