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小麦是我省的主要粮食作物。按生态条件、播种期、生长季节、收获期及环境因素,可把我省小麦种植区划分为冬麦区和春麦区。冬麦区种冬麦高产,春麦区种春麦高产。 一、春麦区引种冬麦与黄矮病的发生情况 河西走廊是我国春小麦高产区之一。历史上不种冬麦,虽有麦蚜发生,但不成灾,没有黄矮病发生的记录。50年代中期引进试种冬小麦获得成功,在当时是很有成绩的,对农业生产起到了一定作用。但在冬小麦推广之后,给春麦区带来了不少问题。首先是
Wheat is the main food crop in our province. According to ecological conditions, sowing time, growing season, harvest and environmental factors, the province can be divided into wheat growing areas of winter wheat and spring wheat area. Winter wheat winter wheat high yield, spring wheat high yield spring wheat. First, the introduction of spring wheat winter wheat and yellow dwarf disease Hexi Corridor is one of China’s high-yielding spring wheat. The history does not kind of winter wheat, although the wheat aphid occurred, but no disaster, there is no record of the occurrence of yellow dwarf disease. The successful introduction of winter wheat at the mid-1950s was a success at that time and played a role in agricultural production. However, after the promotion of winter wheat, it brought many problems to the spring wheat area. first of all