cotton boll的例句大全

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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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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biological characters and inheritance of the causal organism of cotton boll blight

棉铃疫病菌的生物学特性及其遗传研究

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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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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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This shall provide scientific basis for the plan of study and con-trol on the cotton boll rot, and will create condition for the GM ( 1,1) extension and appli-cation on the basis level plant diseases and insect pests forecasting station.

这将为棉花烂铃病的研究和防治规划提供科学决策依据，也为GM（1，1）模型能在基层病虫测报站推广应用创造了条件。

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Analysis of Star Site Cluster and Multi-level Path on Cotton Boll Structure in Breeding Parents of Glandless Cotton

低酚棉育种亲本棉铃结构的星座图聚类和多级通径分析

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some biological characters and its inheritance of the causal organism of cotton boll blight in anhui were studied in vitro.

在实验室条件下，对安徽省棉铃疫病菌的若干生物学特性及其遗传进行了研究。

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on identification and biological charactersof the causal organism of cotton boll blight in anhui

安徽省棉铃疫病菌的鉴定及生物学特性研究

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antagonism of gibberellin to the ethrel induced abscission of cotton boll

赤霉素对乙烯诱导棉铃脱落的拮抗作用

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Boll weevil : grayish weevil that lays its eggs in cotton bolls destroying the cotton.

略带灰色的象鼻虫,在棉铃上产卵以破坏棉花.

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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

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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It's called the boll weevil because it destroys the cotton boll, the seed pod that contains the cotton.

之所以会被称为棉子象鼻虫，是因为这种昆虫会毁坏棉花球，以及含有棉花的种子荚。

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Study on the reflection disc in the compound eye of cotton boll worm

棉铃虫夜眼反射光斑的研究

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Relationship Between Nitrogen Concentration in the Subtending Leaf of Cotton Boll and Fiber Quality Indices

棉铃对位叶氮浓度与纤维品质指标的关系

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The results of star site cluster and grey system analysis indicated that the cotton boll composition yield value of five groups of breeding parents decreased clockwise and progressively in the star site cluster chart.

星座图聚类与灰色评价结果表明，星座图中五类亲本的棉铃组份产量值呈顺时针方向梯度性递减。

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Internode length, the first node of fruit branch, fruit branch length, leaf thickness, cotton boll weight, 2.5% span length significantly related to fruit branch types.

与果枝类型显著相关的性状有果节距、果枝始节、果枝长、叶片厚度、铃重、2.5%跨长等。

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The natural colored cotton means the cotton naturally with color during growing up ( when the cotton boll naturally open, the cotton fibres already have color).

天然彩色棉亦称有色棉，即自然生长带有颜色的棉花（棉桃在自然吐絮时，棉纤维已具有色彩的棉花）。

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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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