cotton boll的例句大全

Damage to cotton and economic threshold of third generation cotton boll worm in northern China Cotton Area

华北棉区第三代棉铃虫对棉花为害损失与经济阈值的研究

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Bt is used as a pesticide to fight cotton boll worms, corn borers and other pests.

Bt被用于消灭棉铃虫, 玉米螟和其他昆虫的杀虫剂中.

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The invention relates to a pesticide, in particular to a pesticide for killing cotton boll worms.

本发明涉及一种农药, 具体是一种杀死棉铃虫的农药.

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Farm demonstration work in the South helped to fight the cotton boll weevil.

南部农场示范工作大大帮助了对棉花象鼻虫的防治.

词典精选例句

Biological characteristics and population dynamics of cotton boll worm in Dunhuang region

敦煌棉区棉铃虫生物学特性和消长规律研究

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The Relations Between Fertilization and Boll Shedding of Cotton Plant

受精与棉花落铃的关系

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Biological Characteristics of Cotton Boll Rot Disease Pathogen

棉花红腐病病原菌生物学特性的研究

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On the occurrence and control of Phytophthora Boll Rot of cotton in Shanghai

上海郊区棉铃疫病发生和防治研究

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The Application of the Artificial Neural Network to Forecasting the Epidemic Trend of the Cotton Boll Rot

人工神经网络在棉花烂铃病流行趋势预报中的应用

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Gene Loci of Enzymes Related to Nitrogen Metabolic Pathways in Cotton Boll Rot Disease Pathogen

棉花红腐病菌氮代谢途径相关酶的基因位点测定

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Therefore, the model can be used in the practical forecasting of epidemic trend of the cotton boll rot.

且该模型能超前一个月作出趋势预报，故完全可以应用于预报实践。

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Studies on Monitoring and Inheritance of Resistance to Metalaxyl of the Pathogen Causing Cotton Boll Blight in Anhui

安徽省棉疫病菌对甲霜灵抗性监测及遗传研究

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Biological control of cotton boll Phytophthora Blight by using antagonists

利用拮抗菌防治棉铃疫病

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Study on Key Factors and Prediction of Cotton Boll Rot

棉花铃病发生关键因子及预报的研究

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The relation between carbohydrate metabolism and boll shedding in cotton plant

棉铃脱落与碳水化合物代谢的关系

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Effects of gibberellin and other seven Growth Regulations on boll shedding of cotton plant

赤霉素等八种生长调节物质对棉铃脱落的影响

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Hormonal control of Boll shedding in cotton plant

棉铃脱落的激素控制

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Changes in endogenous hormone levels in young cotton bolls and their relation to boll shedding

棉花幼铃发育过程中内源激素水平的变化及赤霉酸对它的影响

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Effects of Brassinolide on the Changes in IAA, ABA Levels in Young Cotton Bolls and Boll Shedding

油菜素内酯对棉花幼铃中IAA，ABA水平变化和棉铃脱落的影响

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A Study on the Classification, Damage Loss and Control Strategy for Cotton Boll Rot in Shanxi Province

山西省棉花铃病的主要种类、为害损失及其防治策略的研究

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