本模型适合于河北省中南部麦区对叶锈病发生程度的预测。
The model can be used to predict the severity of leaf rust in the central and southern parts of Hebei Province.
培育和利用抗病品种是减轻叶锈病危害的最经济、有效、安全的方法。
Genetic resistance is the most economical, preferabal and safety method of reducing yield losses due to leaf rust.
而要充分利用对叶锈病的遗传抗性,则必须首先要了解和掌握主要抗源材料和推广品种中的抗性基因。
Genetic resistance to leaf rust can be most fully utilized by knowledge of the identity of resistance genes in master resistance resources and release cultivars.
皋兰2号种苗次之,但皋兰2号种苗对黑斑病和叶锈病的自然发病率又低于吴旗11号和西宁5号种苗。
Gaolan No. 2 seedlings showed slightly lower growth rate but lower natural incidence by black spot and leaf rust than that of Wuqi Non and Xining No 5 seedlings.
文内报导之桉树青枯病、小叶病、苗腐病、玫瑰桉叶斑病、叶锈病、枝枯病、溃疡病及冠腐病等均为本省之新记录病害。
Among the eucalypt diseased, bacterial wilt, little-leaf, seedling, brown spot, leaf rust, shoot blight, stem canker and butt rot are new disease records in Taiwan.
利用抗病品种是防治小麦叶锈病最经济、有效的方法,小麦叶锈菌群体毒性的改变是导致小麦抗叶锈品种丧失抗性的主要原因。
Wheat leaf rust caused by Puccinia triticina is one of the most important diseases and can cause significant yield and economic losses.
本文进行了麦胚凝集素的提取和纯化,并试验了麦胚凝集素对小麦叶锈病菌及条锈病菌孢子萌发的影响,结果表明它能抑制该病菌的孢子萌发。
Wheat-germ agglutinin (WGA) was purified and the effect of WGA on the germination of spores of puccinia recondita was tested. The result of this experiment showed that the germination was inhibited.
本文进行了麦胚凝集素的提取和纯化,并试验了麦胚凝集素对小麦叶锈病菌及条锈病菌孢子萌发的影响,结果表明它能抑制该病菌的孢子萌发。
Wheat-germ agglutinin (WGA) was purified and the effect of WGA on the germination of spores of puccinia recondita was tested. The result of this experiment showed that the germination was inhibited.
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