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首页> 外文期刊>Indian Journal of Weed Science >Relative effects of pre-treatment of ethephon, glyphosate and paraquat on glyphosate translocation and potency in control
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Relative effects of pre-treatment of ethephon, glyphosate and paraquat on glyphosate translocation and potency in control

机译：乙烯利，草甘膦和百草枯的预处理对草甘膦易位和控制效力的相对影响

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摘要

Experiments were conducted to standardize duration and level of senescence required to enhance translocation of glyphosate in Cyperus rotundus. Senescence was induced by paraquat (500 g/ha) or glyphosate (1.312 kg/ha). Decrease in total chlorophyll and membrane damage was more in herbicide treatments than ethephon. Periodic leaf RWC remained unchanged in control but decreased periodically in ethephon and paraquat. Significantly higher RWC was observed at 72 h in glyphosate than paraquat. Maintenanceof membrane integrity and high RWC in glyphosate at 72 h than paraquat facilitated mobility of glyphosate. Total biomass reduction bioassay indicated that senescence induced by glyphosate (1.312 kg/ha) pre-treatment 48 hr followed by (fb) glyphosate (1.312 kg/ha) showed significantly more efficacy (7%) than pre-treatment with benzyl adenine (synthetic cytokinin) fb glyphosate which reduced efficacy by 9% compared to glyphosate alone.
机译：进行实验以标准化增强草Cy香中草甘膦易位所需的持续时间和衰老水平。百草枯（500 g / ha）或草甘膦（1.312 kg / ha）诱导衰老。除草剂处理的总叶绿素和膜损伤的减少比乙烯利更大。对照中的周期性叶片RWC保持不变，但是在乙烯利和百草枯中周期性降低。草甘膦在72 h观察到的RWC明显高于百草枯。与百草枯相比，草甘膦在72 h维持膜完整性和高RWC有助于草甘膦的迁移。总生物量减少生物测定表明，草甘膦（1.312 kg / ha）预处理48小时，然后（fb）草甘膦（1.312 kg / ha）诱导的衰老显示出比苄基腺嘌呤（合成的）预处理显着更高的功效（7％）与单用草甘膦相比，草甘膦fb草甘膦的药效降低了9％。

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