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首页> 外文期刊>Weed technology >Response of Selected Soybean (Glycine max) Cultivars to Dimethenamid and Metolachlor in Hydroponic Conditions
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Response of Selected Soybean (Glycine max) Cultivars to Dimethenamid and Metolachlor in Hydroponic Conditions

机译：水培条件下精选大豆品种对二甲烯胺和甲草胺的响应

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摘要

Soybean cultivars were grown in a hydroponic culture to evaluate tolerance to dimethenamid and metolachlor. Root length was reduced in 7 of the 32 cultivars with 50 ppb dimethenamid. 'Asgrow 5403' and 'Bryan' root lengths were reduced more than 20%. 'Asgrow 6297' was the only cultivar with greater than 12% root length reductions with 83 ppb metolachlor. The longest lateral root of all cultivars was shortened with dimethenamid. 'NK-1460' and Bryan expressed the most lateral root length reduction, at 73 and 62%, respectively. Asgrow 6297 was tolerant to dimethenamid, but lateral roots were reduced 16%. Metolachlor reduced the lateral root lengths of 12 cultivars, with Asgrow 5403,'Coker 6955,' and Bryan reduced more than 20%. Bryan was the most sensitive cultivar to both herbicides,while 'Brim' was the most tolerant of cultivars evaluated.
机译：在水培法中培养大豆品种，以评估其对苯二甲酰胺和异丙甲草胺的耐受性。用50 ppb的二甲烯胺降低了32个品种中的7个的根长。 “ Asgrow 5403”和“ Bryan”的根长减少了20％以上。 'Asgrow 6297'是唯一使用83 ppb异丙甲草胺根长减少12％以上的品种。二甲烯胺可缩短所有品种的最长侧根。 'NK-1460'和Bryan表现出最大的侧根长度减少，分别为73％和62％。 Asgrow 6297耐二甲亚胺，但侧根减少了16％。甲草胺减少了12个品种的侧根长度，Asgrow 5403，'Coker 6955'和Bryan减少了20％以上。布莱恩（Bryan）是对这两种除草剂最敏感的品种，而“布莱姆（Brim）”是所评估品种最耐受的品种。

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