cotton boll

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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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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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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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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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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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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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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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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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.

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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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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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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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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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Research on the Model of Space Distribution of the Cotton Boll Rot

棉花烂铃空间分布模型研究

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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 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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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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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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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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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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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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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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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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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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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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