The Major Recessive Calamities Affecting the Wheat Production in Chuxiong Prefecture and Control Countermeasures

摘要

The impact of recessive calamities was analyzed,including seasonal drought,cold injury,dry hot wind and aphid in the wheat production of Chuxiong Prefecture,and the countermeasures that prevented and controlled the recessive calamities in a target-oriented way were proposed,including the improvement of basic farmland,the application of organic manure,the promotion of the breed with high stress resistance,the seedling at suitable date,the improvement of control on fertilizing and watering,the enhancement of management on cultivating and controlling disease in time,and the breeding new variety adaptive to local ecosystem,in order to advance the wheat production in a sustainable way.