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胡麻(学名叫亚麻)是我区西部地区主要油用作物之一,多为油纤兼用型。近年来,随着播种面积的增加,病害,特别是苗期病害的发生日益加重。严重发病地块苗期枯死率可达30%以上,一般枯死也在5%左右,减产5%。因此,各地要引起重视。胡麻立枯病一般从出苗至枞形期引起成段植株枯死,首先地下部分有不规则凹陷细缩的褐色病斑,很快扩大至整个地下部分感病,使
Flax (scientific name is flax) is one of the main oil crops in the western region of our region, mostly used for oil fiber. In recent years, with the increase of sown area, diseases, especially seedling diseases, have been aggravating. Severe disease block nursery mortality rate of up to 30%, generally dead are about 5%, 5% reduction. Therefore, all over the world should pay attention. Flax blight usually causes the plants to die from the emergence to the firming stage, first of all, the underground part has an irregular recession and a brown lesion that quickly expands to the entire underground part of the disease,