长江下游地区小麦生育期间的生态特点是气候温暖,冬季气温不很低,小麦生育中后期阴雨日多,湿害、阴害、病害威胁严重,在耕作制度上,有稻麦绿油一年两熟或三熟的多种形式轮作制。小麦前茬以水稻为主,秋播阶段季节紧张,精细整地难度较大,如遇阴雨矛盾更为突出。栽培上应用的品种有春性和半冬性两种类型。因此,本区小麦生育进程与北方冬麦 The ecological characteristics of wheat during the growing season in the lower reaches of the Yangtze River are warm climate, low winter temperatures, overcast and rainy days in the middle and late stages of wheat, wet and shade hazards, serious threat to the disease. In the farming system, Cooked or cooked in a variety of forms of rotation system. Preceding wheat to rice-based, autumn season stage tension tight, fine preparation of land preparation more difficult, in case of contradictions more prominent rainy season. Cultivation of varieties used in spring and semi-winter two types. Therefore, the process of wheat birth in the region and the northern winter wheat