甜瓜蔓枯病(Mycospharella melonis)抗病性鉴定方法及品种抗病性鉴定

Identification Method of Resistance and Identification of Variety Resistance to Black Rot of Muskmelon

甜瓜蔓桔病抗病性鉴定方法,可采用1.5—2.3×10~6/ml浓度的分生孢子悬浮液,喷雾接种6叶期甜瓜苗,保湿24小时。甘肃省甜瓜生产中的主栽品种是厚皮系统大暑白兰瓜、黄河蜜、蜜露等,多属中感及高感品种,无抗病品种。

Pycnoconidia solution of 1.5～2.5×10~5/ml was used as identification method of resistance to black rot of muskmelon. The solution was sprayd on to the seedlings with six leaves and kept in 100% moisture for 24 hrs. Main varieties, such as Da Shu Bai Lan Gua, Honeydew, Huang He Mi etc. in Gansu province mostly appeared to be middle or high susceptibility to black rot, and no resistant varieties were found.