棉花黄萎病是一种维管束病。
明确新疆主要植棉地区棉花黄萎病菌株的生物学特性及致病力分化情况。
Ascertain the biological characteristics and pathogenicity differentiation of cotton Verticillium dahliae strains in the major cotton production regions in Xinjiang.
由于该病防治困难,培育抗病品种是防治棉花黄萎病的一种有效、经济的方法。
It is difficult to be controlled, so breeded the resistance variety is an effective and economical method to control Verticillium wilt.
对其发酵液进行硫酸铵盐析,发现DS45-2的粗蛋白对棉花黄萎病具有拮抗作用;
Rough proteins were precipitated from liquid ferment production of DS45-2 and they had the antagonistic activity to Verticillium dahliae.
棉花黄萎病抗病机制是很复杂的,既有棉株体固有的抗性,又存在病菌侵染诱发的抗性。
The mechanism of Verticillium wilt resistance in cotton is very complex which include both the instinctive resistance in cotton plants and the induced resistance by Verticillium dahliae infecting.
本研究以棉花黄萎病拮抗菌ds45 - 2作为试验菌株,对抗菌物质发酵条件进行了初步摸索。
Experiments indicated that the optimum fermentation condition for DS45-2, an antagonistic bacteria against Verticillium wilt of cotton, are LBG medium of pH8.
对新疆棉区采集的35个棉花黄萎病菌代表性菌系进行了生物学特性研究、鉴别寄主法测定及营养亲和群研究。
The paper focused on cultural character , pathogenic differentiation and vegetative compatibility of 35 strains from the main cotton productive regions in Xinjiang and 5 standard strains .
研究表明,葡萄糖氧化酶基因是一种具有良好应用前景的广谱抗性基因,对棉花黄萎病抗病育种将有着非常重要的意义。
It was concluded that Glucose Oxidase gene was a wide-spectrum resistance gene. lt would have very important signification in Verticillium Wilt resistance breeding of cotton.
用原子吸收分光光度法分别测定了喷施氨基酸铜和喷施清水后,接种棉花黄萎病菌的感病棉株的根、茎、叶中铜元素的含量。
Copper in the root, stem and leaf of cotton which was infected by Verticillium wilt was sprayed with cupric complexes of glycine and water.
分析了河北省农林科学院棉花黄萎病,以及草莓、茄果类蔬菜重茬病、地下害虫一金龟子类幼虫等主要害虫的生物防治技术的研究现状。
This paper analyzed status of bio-control technology on cotton Verticillium wilt, diseases of strawberry, and eggplant, and subterranean pests such as dung beetles.
调查结果表明:几丁质(蟹壳粉)处理对棉花黄萎病的防治效果最好,在盆栽和小区试验中病情指数分别比对照降低了72.21%和62.26%;
Chitin (crab shell powder) was the best one for controlling disease with a 72.21% reducing of disease index in pots and 62.26% reducing in plots.
调查结果表明:几丁质(蟹壳粉)处理对棉花黄萎病的防治效果最好,在盆栽和小区试验中病情指数分别比对照降低了72.21%和62.26%;
Chitin (crab shell powder) was the best one for controlling disease with a 72.21% reducing of disease index in pots and 62.26% reducing in plots.
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