中国蔬菜 ›› 1997, Vol. 1 ›› Issue (1): 2-0.

• 研究论文 • 上一篇    下一篇

白菜炭疽病苗期抗病性鉴定方法的研究

刘爱媛;   

  1. 华南农业大学园艺系;
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1997-01-20 发布日期:1997-01-20

Study on Screening Method for Resistance to Anthracnose of Chinese Cabbage in Seedling Stage

Liu Aiyuan   

  1. Department of Horticulture; South China Agricultural University; Guangzhou 510642
  • Received:1900-01-01 Revised:1900-01-01 Online:1997-01-20 Published:1997-01-20

摘要: 根据不同的接种方法、苗龄、温度、接种物浓度及调查时期对白菜炭疽病苗期抗病性表现的影响,并与成株期抗病性比较,筛选出一套快速、准确反映成株期抗病性的苗期抗病性鉴定方法。即在20~32℃温度下,用6000-12000个/mL分生孢子的悬浮液于子叶期点滴接种,保湿24~48小时,当感病品种的病情指数达85左右时调查各供试品种的病情指数。

关键词: 白菜, 炭疽病, 抗病性鉴定

Abstract: A rapid method of identifing resistance to anthracnose of Chinese cabbage in seedling stage and reflecting adult resistance was developed by testing different inoculating methods,temperatures,plant ages and inoculum concentrations. The suspension of 6 000~12 000 conidia/mL was dripped on to the cotyledon of Chinese cabbage seedlings at cotyledon stage and kept at the temperature of 20~32℃ in 100% moisture for 24~48 hours.