【摘要】 研究了壬酸对云南木蠹象的拒食活性。室内试验结果表明,壬酸在24,48 h的拒食效果更为稳定。在田间试验中,2%壬酸酒精溶液拒食效果较好,平均拒食率为54.34%。而0.5%,8%浓度的壬酸酒精溶液表现为促食作用,平均拒食率分别为-56.56%和-19.57%。更多还原

【Abstract】 The result of experiment in lab showed the nonanoic acid had stable antifeedant effect on Pissodes yunnanensis in 24 or 48 hours.The result of field experiment showed 2% nonanoic acid alcohol solution had the best antifeedant effect with an average antifeedant rate of 54.34%;the 0.5% and 8% concentrations had positive effect in feeding and their average antifeedant rates were-56.56% and-19.57% respectively.更多还原