1、

The test had studied the proper time and method of controlling dayflower.

本试验讨论了鸭跖草防除的时期和方法。

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2、

The effects of different soil water content, depth of sowing and dose of fomesafen on dayflower emergence were studied.

通过提供不同外界环境条件的方法,研究了土壤含水量、播种深度及除草剂虎威对鸭跖草出苗的影响。

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3、

With rapid increase of the tolerance to imazethapyr, the key period of spraying dayflower was as early as3-leaf stage.

由于3叶期开始鸭跖草耐药性迅速增强,因此,3叶以前是鸭跖草施药的最佳时期。

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4、

Greenhouse experiments were conducted to evaluate the action of combinations of bromoxynil and 2,4-D butyl ester in controlling dayflower.

在温室盆栽条件下,采用等效线法评价辛酰溴苯腈与2,4-D丁酯混用后的联合作用类型。

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5、

The biology of dayflower, including dormancy characteristic, emergence law, root-regeneration ability of the whole plant and branch in different soil moisture, were studied.

探讨了鸭跖草的休眠特性和田间发生规律以及不同土壤含水量下植株地上部和分枝的再次生根能力,为科学、有效地防治鸭跖草提供生物学理论依据。

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