四川农业大学学报 ›› 1993, Vol. 11 ›› Issue (02): 282-286.doi: 10.16036/j.issn.1000-2650.1993.02.014

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中国梨黑星菌(Venturia nashicola)致病性分化的研究

沈言章, 张飒   

  1. 四川农业大学农学系, 雅安市 625014
  • 收稿日期:1992-12-31 出版日期:1993-06-30 发布日期:2017-04-22

STUDIES ON PHYSIOLOGICAL SPECIALIZATION OF VENTURIA NASHICOLA IN CHINESE CULTIVATED PEARS

Shen Yanzhang, Zhang Sa   

  1. Shichun Agriculiural Unirersity, Yaan Sichuan China Zip coole 625014
  • Received:1992-12-31 Online:1993-06-30 Published:2017-04-22

摘要: 从我国梨产区河北、江苏、浙江、台湾和四川等地不同梨品种上分离到的12个梨黑星菌(Venturia nashicola)的单孢菌株,采用田间抗病性不同的品种接种、进行致病力测定,结果表明:寄生在我国栽培梨上的黑星菌存在生理分化,供试的12个单孢菌株,初步划分为5个不同的致病类型。

关键词: 梨黑星菌, 生理分化, 梨, 黑星病, 分化

Abstract: The pathogenicity of tweove single spore isolates of venturia nashicola collected from several provinces of China was identified. The resuots indicate that the venturia nashicola in Chinese cultivated pears have physiologic specdialization, and we can divide the isolates into four types.

Key words: VENTURIA NASHTCOLA, PHYSIOLOGIC SPECTALIZATION, PEAR, APPLE SCAB, DIFFERENTIATION (BIOLOGY)

中图分类号: 

  • S661.2