冬小麦在伊犁垦区大面积栽培已有20多年的历史.历年来,除昭苏地区有不同程度的冻害死亡外,从未发生过大面积冻害死亡.因此,自一九六五年就开始大面积种植半冬性丰产品种,最近儿年还秋播了一定面积的春性品种(欧柔等),均未发生冻害.但是,今年西自霍尔果斯附近的六十三团,东至察布查尔县内的六十九团三连以西的河谷地区,发生了严重的冻害,特别是伊犁河南北两岸的六十三团、六十四团、六十六团、六十八团、六十九团、工矿场和垦区农科所受灾最为严重;全垦区冬麦冻害死亡面积达30%,个别团场冬麦几乎死光,保留下来的缺苗也很严重,死亡率为30—60%. Over the past 20 years, winter wheat has been cultivated in a large area for more than 20 years in Yili Reclamation Area, and no deaths due to frost damage have taken place in the areas except Zhaosu area with varying degrees of frost damage over the years. Therefore, since 1965, In the recent years, a certain area of ​​spring varieties (Ou Rou, etc.) were also sowed in autumn in recent years without any frost damage. However, this year, the 63 groups from the vicinity of Horgos to the east In Qibuqieer County, sixty-nine regiments of the Three Gorges area west of the valley, there have been serious frost damage, especially the Ili River north and south of the sixty-three regiment, sixty-four regiment, sixty-six regiment, sixty-eight regiment , Sixty-nine regiment, mining and agricultural reclamation of the most severely affected area; Reclamation winter wheat frost damage area of ​​30%, individual groups of winter wheat almost dead, the remaining lack of seedlings is also very serious, the mortality rate was 30 -60%.