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园艺学报 ›› 2007, Vol. 34 ›› Issue (1): 17-22.

• 果树 • 上一篇    下一篇

中国普通杏种质资源若干生物学性状的频度分布

何天明1,2; 陈学森1*; 张大海3; 徐 麟3; 刘 宁4; 高疆生2 ; 许 正5
  

  1. (1 山东农业大学园艺学院果树生物学实验室, 山东泰安271018; 2 塔里木大学植物科技学院, 新疆阿拉尔843300;3 新疆农业科学院轮台国家果树资源圃, 新疆轮台841600; 4 辽宁农业科学院熊岳国家李杏资源圃, 辽宁熊岳115214;5 新疆伊犁哈萨克自治州野果林研究与发展中心, 新疆伊犁835000)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2007-02-25 发布日期:2007-02-25

Frequency Distribution of Several Biolog ical Characters in Different ApricotEco-geographical Groups Native to China

HE Tian-ming1,2; CHEN Xue-sen1*; ZHANG Da-hai3; XU Lin3; LIU Ning4 ; GAO Jiang-sheng2;XU Zheng5   

  1. (1 Biological Laboratory of Pomology, Shandong Agricultural University, Taipan, Shandong 271018, China; 2College of PlantScience and Technology, Tarim University, Alar, Xinjiang 843300, China; 3Luntai National Germplasm Garden of Fruit Trees,Xinjiang Academy of Agricultural Sciences, Luntai, Xinjiang 841600, China; 4N ational Plum and Apricot Germ plasm Garden,Institute of Pomology, L iaoning Academy of Agricultural Sciences, Xiongyue, L iaoning 115214, China; 5 Research and Development Center of Wild Fruit Forest of Yili Kazak Autonomous Prefecture, Yili, X injiang 835000,China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-02-25 Published:2007-02-25

摘要: 对华北、中亚和准噶尔—外伊犁3个生态地理群的520余份中国杏种质资源部分生物学性状
进行了田间试验和野外考察。结果表明: ①中国杏三大生态地理群品种、类型或株系自交坐果率平均值均
≤2.0% , 自交不亲和及部分自交不亲和株率均> 90% , 总体上表现为自交不亲和, 但同时也发现了个别自
交结实率高(9.9%~18.0% ) 的自交亲和种质; ②3个生态地理群败育花比率均在40%以上, 变异系数均
在50%以上, 而就某一品种来讲, 其败育花率相对稳定; ③油杏性状在中亚生态地理群品种中的频度高达
76.6% , 而其它两个生态地理群皆为毛杏; ④相对于伊犁野杏(平均单果质量8.2 g) 和中亚品种群
(23.2 g) , 大果性状在华北生态地理群中为优势性状(51.4 g) ; ⑤三大生态地理群离核的比率均高于粘核
比率, 野杏类型的离核频度高达94.6% , 而华北杏仅为58.8%; ⑥可溶性固形物含量以中亚杏最高
(18.5% ) , 而华北杏在华北(13.1% ) 和新疆(16.1% ) 两地有极显著性差异, 说明这一性状是典型的数
量性状, 易受环境影响; ⑦伊犁野杏、中亚杏及华北杏甜仁比率分别为0.9%、93.1%和44.4%。对人为
选择和自然选择在部分性状的起源与演化中的作用进行了探讨。

关键词: 杏, 生物学性状, 频度, 生态地理群, 进化

Abstract: In order to exploit the evolution of genes of apricot native to China, the frequency distribution
of several biological characters of apricot in different eco-geographical groups (North China, Central Asia,
Dzhungar - Zailij) native to China were analyzed in the study. In general, self-incompatibility was a common
character for the three eco-geographical groups with averages less than 2.0% and the percentages of self
incompatible cultivarsmore than 90%. Therefore, a few self-compatible germp lasmswere found, too. Higher
sterile flower rate of 40% was observed in all eco-geographical groups with a higher coefficient variance of
50%. For a certain cultivar or form, the trait was relatively stable. Glabrous-fruited cultivars were only ob
served in Central Asian eco-geographical group with a higher percentage of 76.6%. In other two group s, the cultivars or forms were all identified as rough skin-fruit. The largest fruit size (with an average of 51.4 g) was
a predominate trait in North China group compared with those of Central Asian group (23.2 g) and Dzhungar
- Zailij group (8.2 g). In the three groups, the rate of freestone-fruited cultivars or forms was remarkably
higher than those of clingstone. The frequencies of freestone were different among the group swith the highest
frequency of 94.6% in Dzhungar - Zailij group and the lowest frequency of 58.8% in North China group. The
highest value of the total soluble solid wasmeasured in Central Asia group (18.5% ). The total soluble solid
was greatly affected by environmental factors indicating itwas an classical quantitative trait. For cultivars from
North China, the valuesmeasured from Shandong (13.1%) and Xinjiang (16.1% ) were different very sig
nificantly ( F = 42.361, P < 0.01). The highest rate of sweet kernel (93.1% ) was observed in the Central
Asian eco-geographical group compared to Ili wild population ( 0.9% ) and North China group ( 44.4% ).
The effect of artificial selection and natural selection on the origin and evolution of the characterswas also dis
cussed.