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Response of Dry Edible Bean (Phaseolus vulgaris) Cultivars to Four Herbicides

机译:干食用豆(菜豆)品种对四种除草剂的响应

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Dry edible bean tolerance to PPI-applied EPTC, alachlor and POST-applied imazethapyr was evaluated over two years at Scottsbluff, NE. Eight market classes of dry edible beans comprising 12 cultivars were studied. Crop tolerance was assessed by measuring crop injury, stand, leaf area index, leaf chlorosis, plant canopy volume, projected canopy cover, crop maturity, and seed yield. Leaf area index measured late in the growing season provided the best correlation with seed yield in both years. In 1993 and 1994, imazethapyr treatment caused crop injury, which resulted in a decrease of leaf area and in 1994 decreased seed yield. Differences in herbicide tolerance existed between market classes and cultivars, although the level of herbicide tolerance varied between years.
机译:在北卡罗来纳州的斯科茨布拉夫,评估了干食用豆对PPI施用的EPTC,丙草胺和POST施用的咪唑乙烟的耐受性。对包括12个品种的8种干食用豆类市场进行了研究。通过测量作物伤害,林分,叶面积指数,叶绿化,植物冠层体积,预计冠层覆盖率,作物成熟度和种子产量来评估作物耐受性。在生长季节后期测得的叶面积指数与两年中的种子产量之间具有最佳的相关性。在1993年和1994年,咪唑乙草胺处理造成作物伤害,导致叶面积减少,1994年种子产量下降。尽管各年间除草剂的耐受水平不同,但市场类别和品种之间的除草剂耐受性存在差异。

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