The joint action between chlorsulfuron and haloxyfop R was evaluated by bioassay with wheat and corn,respectivly.The dose response curve derived from wheat bioassay showed that the inhibition of haloxyfop R to whea...The joint action between chlorsulfuron and haloxyfop R was evaluated by bioassay with wheat and corn,respectivly.The dose response curve derived from wheat bioassay showed that the inhibition of haloxyfop R to wheat root growth wasn't affected by the increasing rate of chlorsulfuron.It indicated that chlorsulfuron had no antagonism to haloxyfop R.Meanwhile,the variation analysis of corn bioassay indicated that these two herbicides had joint action on inhibition to corn primary root growth.The joint action was evaluated as additive action by using Isobole Method.So chlorsulfuron and haloxyfop R could be used as tank mixture.展开更多
为探明春油菜田野燕麦(Avena fatua L.)对高效氟吡甲禾灵抗性生理机制,在实验室对抗性生物型野燕麦和敏感性生物型喷施高效氟吡甲禾灵后测定了相关生理指标的变化,结果表明喷施高效氟吡甲禾灵EC375 m L/hm2后,野燕麦敏感种群(S)的叶绿...为探明春油菜田野燕麦(Avena fatua L.)对高效氟吡甲禾灵抗性生理机制,在实验室对抗性生物型野燕麦和敏感性生物型喷施高效氟吡甲禾灵后测定了相关生理指标的变化,结果表明喷施高效氟吡甲禾灵EC375 m L/hm2后,野燕麦敏感种群(S)的叶绿素含量呈逐渐降低的趋势,抗性种群(R)的叶绿素含量变化趋势不明显;野燕麦抗性种群(R)喷药处理后丙二醛含量始终很低,敏感种群(S)随着药剂胁迫时间的延长,施药与未施药处理后的丙二醛含量的差异明显;敏感野燕麦种群(S)施药和未施药处理后CAT的活性差异比较显著,抗性种群(R)施药后的CAT活性与未施药的CAT活性差异不显著。研究得出敏感野燕麦生物型生理变化较大,高抗野燕麦生物型具有一定的生理适应性,生理变化较小。展开更多
文摘The joint action between chlorsulfuron and haloxyfop R was evaluated by bioassay with wheat and corn,respectivly.The dose response curve derived from wheat bioassay showed that the inhibition of haloxyfop R to wheat root growth wasn't affected by the increasing rate of chlorsulfuron.It indicated that chlorsulfuron had no antagonism to haloxyfop R.Meanwhile,the variation analysis of corn bioassay indicated that these two herbicides had joint action on inhibition to corn primary root growth.The joint action was evaluated as additive action by using Isobole Method.So chlorsulfuron and haloxyfop R could be used as tank mixture.
文摘为探明春油菜田野燕麦(Avena fatua L.)对高效氟吡甲禾灵抗性生理机制,在实验室对抗性生物型野燕麦和敏感性生物型喷施高效氟吡甲禾灵后测定了相关生理指标的变化,结果表明喷施高效氟吡甲禾灵EC375 m L/hm2后,野燕麦敏感种群(S)的叶绿素含量呈逐渐降低的趋势,抗性种群(R)的叶绿素含量变化趋势不明显;野燕麦抗性种群(R)喷药处理后丙二醛含量始终很低,敏感种群(S)随着药剂胁迫时间的延长,施药与未施药处理后的丙二醛含量的差异明显;敏感野燕麦种群(S)施药和未施药处理后CAT的活性差异比较显著,抗性种群(R)施药后的CAT活性与未施药的CAT活性差异不显著。研究得出敏感野燕麦生物型生理变化较大,高抗野燕麦生物型具有一定的生理适应性,生理变化较小。