35 个草坪草品种对禾谷缢管蚜抗性的研究

园艺学报 ›› 2004, Vol. 31 ›› Issue (6): 784-787.

35 个草坪草品种对禾谷缢管蚜抗性的研究

胡木林;陈　燕;郑小林;吴海生;曾富华

(湛江师范学院生物科学系, 湛江524048)

收稿日期:2004-04-22 修回日期:2004-11-15 出版日期:2004-12-25 发布日期:2004-12-25

Resistance to Birdcherry Aphid , Rhopalosiphum padi ( Aphididae : Homoptera) in 35 Turfgrass Varieties

Hu Mulin;Chen Yan; Zheng Xiaolin;Wu Haisheng;Zeng Fuhua

( Department of Biology , Zhanjiang Normal College , Zhanjiang 524048 , China)

Received:2004-04-22 Revised:2004-11-15 Online:2004-12-25 Published:2004-12-25

摘要/Abstract

摘要： 研究了禾本科7 个属35 个草坪草品种对禾谷缢管蚜〔Rhopalosiphum padi (L. ) 〕的抗性, 鉴定出高抗品种15 个, 中抗品种3 个, 低抗品种2 个。匍匐翦股颖( Agrostis stolonifera L. ) 和野牛草〔Buchloe dactyloides (Nutt. ) Engelm. 〕抗性最好, 均为免疫级。其次是狗牙根〔Cynodon dactylon (L. ) Pers. 〕, 6 份材料中, 有4 份属于免疫级。高羊茅( Festuca arundinacea Schreb. ) 在免疫至低抗间变化, 草地早熟禾( Poa pratensis L. ) 在高抗至中感间变化。结缕草( Zoysia japonica Steud. ) 为低感、中感水平。多年生黑麦草(Lolium perenne L. ) 抗性最差, 10 份材料均为高感。症状分析、虫口数量与受害程度关系分析初步表明,草坪草对禾谷缢管蚜的抗性包括抗生性和耐害性。

关键词: 草坪草, 禾谷缢管蚜, 抗虫性

Abstract: Resistance to birdcherry aphid 〔Rhopalosiphum padi (L. ) 〕in 35 turfgrass varieties from 7 genera in Triticeae was studied. 15 high resistant , 3 middle resistant and 2 low resistant varieties were identified. Both creeping bentgrass and buffalograss have the best resistance and are in immune level . 4 of the 6 bermudagrass varieties are also immune from the pest . Resistance in tall fescue varieties varied from immune to low resistant and Kenturky bluegrass from high resistant to middle susceptible. Zoysiagrass exhibited low or middle susceptible resistance level . Ryegrass varieties , however , are all high susceptible to the pest . The analysis of the symptom and the correlation between aphid density and plant injury degree suggested that antibiosis and tolerance contribute to the resistance in turfgrasses to the insect .

Key words: Turfgrass, Rhopalosiphum padi (L. ), Insect resistance

中图分类号:

S 68

胡木林;陈　燕;郑小林;吴海生;曾富华. 35 个草坪草品种对禾谷缢管蚜抗性的研究[J]. 园艺学报, 2004, 31(6): 784-787.

Hu Mulin;Chen Yan;Zheng Xiaolin;Wu Haisheng;Zeng Fuhua. Resistance to Birdcherry Aphid , Rhopalosiphum padi ( Aphididae : Homoptera) in 35 Turfgrass Varieties[J]. ACTA HORTICULTURAE SINICA, 2004, 31(6): 784-787.

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