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首页> 外文期刊>Pesticide Research Journal >Efficacy of Sulfonylurea Herbicides alone and in Combination with Metribuzin for Control of Wild Canary Grass (Phalaris Minor Retz.) in Wheat (Triticum Aestivum L.) and their Residual Toxicity to Mungbean
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Efficacy of Sulfonylurea Herbicides alone and in Combination with Metribuzin for Control of Wild Canary Grass (Phalaris Minor Retz.) in Wheat (Triticum Aestivum L.) and their Residual Toxicity to Mungbean

机译：磺酰脲类除草剂单独使用或与Metribuzin联用对小麦（Triticum Aestivum L.）的野生金丝雀草（Phalaris Minor Retz。）的防治及其对绿豆的残留毒性

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Field trials were conducted during the rabi season of 2002-03 and 2003-04 at IARI Research Farm in New Delhi to study the efficacy of new sulfonylurea herbicides alone and in combination with metribuzin against wild canary grass (Phalaris minor Retz.) in wheat (Triticum aestivum L). Post-emergence application of chlorsulfuron @ 30 g ha~(-1) metsulfuron-methyl @ 8 g ha~(-1) and metribuzin at 200 and 300 g ha~(-1) alone and in combination with chlorsulfuron @ 15 g ha~(-1) and metsulfuron-methyl @ 2 g ha~(-1) provided effective control of P. minor and improved grain yield of wheat by 12.6-30.6% over weedy check. Application of chlorsulfuron @ 30 g ha~(-1), metsulfuron-methyl @ 8 g ha~(-1) and tank mix of chlorsulfuron + metribuzin (15 + 100 g ha~(-1) and 15 + 200 g ha~(-1)) produced grain yield of wheat comparable with repeated hand weeding. Metribuzin @ 200 and 300 g ha~(-1) and mixed with metsulfuron (2 g ha~(-1)) was found toxic to wheat and decreased grain yield by 17.1-21.9% compared with weed free condition. The highest weed control efficiency (82.2%) was achieved from metribuzin application @ 300 g ha~(-1) followed by its tank mix application at lower dose of 200 g ha~(-1) with chlorsulfuron (15 g ha~(-1)) and metsulfuron-methyl (2 g ha~(-1)). Bioassay studies showed the significant reduction in germination count, height, leaf area and fresh weight of mungbean due to the effect of metribuzin (300 and 200 g ha~(-1)) residues and its combination with metsulfuron (2 + 200 and 2 +100 g ha~(-1)) followed by alone application of chlorsulfuron @ 30 g ha~(-1) and metsulfuron @ 8 g ha~(-1).
机译：在2002-03和2003-04的狂犬病季节期间，在新德里的IARI研究农场进行了田间试验，研究了单独使用磺酰脲类除草剂以及与甲苯哌嗪合用的新型磺酰脲类除草剂对小麦中的野生金丝雀草（小蝴蝶草）的功效（普通小麦L）。芽后施用氯磺隆@ 30 g ha〜（-1）甲磺隆@ 8 g ha〜（-1）和美法津分别以200和300 g ha〜（-1）以及与氯磺隆@ 15 g ha结合使用〜（-1）和甲磺隆甲基@ 2 g ha〜（-1）提供了对小生疫霉的有效控制，与杂草检查相比，小麦的单产提高了12.6-30.6％。施用30 g ha〜（-1）的氯磺隆，8 g ha〜（-1）的甲磺隆和氯磺隆+甲磺灵（15 + 100 g ha〜（-1）和15 + 200 g ha〜 （-1））产生的小麦籽粒产量可与重复人工除草相媲美。与无杂草相比，Metribuzin在200和300 g ha〜（-1）下与甲磺隆（2 g ha〜（-1）混合）被发现对小麦有毒，谷物收率降低了17.1-21.9％。在300 g ha〜（-1）下施用美法津，然后以200 g ha〜（-1）的较低剂量与氯磺隆（15 g ha〜（- 1））和甲磺隆（2 g ha〜（-1））。生物测定研究表明，由于甲双胍（300和200 g ha〜（-1））残留物及其与甲磺隆（2 + 200和2 +的组合）的作用，绿豆的发芽数，高度，叶面积和新鲜重量显着减少100 g ha〜（-1）），然后单独施用氯磺隆@ 30 g ha〜（-1）和甲磺隆@ 8 g ha〜（-1）。

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