小偃6号既不抗蚜虫，又不抗小麦黄矮病。
Xiaoyan 6 did not resist wheat aphids and wheat yellow dwarf.
小麦黄矮病是中国小麦产区的重要病害之一。
小麦黄矮病是由大麦黄矮病毒(BYDV)引起的小麦主要病害之一。
Wheat yellow dwarf, one of the major diseases in wheat was caused by Barley yellow dwarf Virus (BYDV).
由大麦黄矮病毒引起的小麦黄矮病毒病是一个严重病害，至今在小麦属内还没有发现抗源。
Wheat yellow dwarf virus caused by barley yellow dwarf virus (BYDV) is one of the most serious diseases in wheat, and no resistant resource has been found in all wheat germplasms tested so far.
在目前尚缺乏防治有效的药剂及抗病、优质小麦品种的情况下，小麦黄矮病及时有效的预测预报在该病害的科学防治方面占据重要位置。
Apparently, it is more important to enforce forecasting of impending epidemics in the current circumstance that is lack of effective resistant varieties and chemical curing methods.
在目前尚缺乏防治有效的药剂及抗病、优质小麦品种的情况下，小麦黄矮病及时有效的预测预报在该病害的科学防治方面占据重要位置。
Apparently, it is more important to enforce forecasting of impending epidemics in the current circumstance that is lack of effective resistant varieties and chemical curing methods.
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