论文部分内容阅读
麦类(小麦、大麦、燕麦)是甘肃河西走廊主要的栽培作物,播种面积约占粮食作物的60％左右,1959年《甘肃省农作物病虫杂草调查汇编》曾记载麦类病害11种,1983年甘农大魏勇良报道22种,我们通过5年调查,又发现以下省内未正式报道过的真菌病害: 一、小麦假黑斑病 (一)症状:感病麦粒轻微变色,胚部呈褐色,有的种胚末端皱缩,容易与小麦黑胚病(Drechslera sorokiniana)混淆。病种子播种后一般能发芽出苗,但幼苗细弱,长势缓慢。
Wheat (wheat, barley and oats) is the main cultivated crop in Hexi Corridor, Gansu Province. The sown area accounts for about 60% of the total grain crops. In 1959, “Gansu Province Pest and Weed Survey” recorded 11 wheat diseases, In 1983, 22 species were reported by Wei Yong in Gannong County. After five years of investigation, we also found the following unrecorded fungal diseases in the province: 1. False black spot disease of wheat (a) Symptoms: Slightly discolored grains, Brown, and some end of embryo shrinkage, easily confused with wheat black disease (Drechslera sorokiniana). Sick seeds generally germinate after sowing, but seedlings are weak and grow slowly.