YANG Yingdong,WANG Weidong,BAI Yiguang,et al.Insecticidal Experiment for Lily Bulbs Disinfection[J].Northern Horticulture,2017,41(05):109-113.[doi:10.11937/bfyy.201705026]
百合种球消毒害虫灭杀试验
- Title:
- Insecticidal Experiment for Lily Bulbs Disinfection
- Keywords:
- lily bulbs; pests; disinfection
- 文献标志码:
- A
- 摘要:
- 以携带地下害虫的百合种球为试材，采用四因素三水平完全随机正交实验方法，研究了百合种球温水消毒处理温度、时间、杀虫剂种类、杀虫剂浓度4个因素对刺足根螨、迟眼熏蚊幼虫、跳虫、线虫的灭杀效果。结果表明：水温38 ℃，清水处理1 h可有效杀死迟眼熏蚊幼虫；水温38 ℃，清水处理2 h可以100%杀死跳虫；水温38 ℃，200倍甲醛溶液处理1 h能够100%灭杀跳虫；水温38 ℃，印楝素750倍液或金满枝500倍液处理2 h，甲醛200倍液处理3 h可以100%灭杀刺足根螨；水温≥40 ℃，清水消毒1 h，刺足根螨死亡率达100.00%；温度、时间、药剂、浓度4个因素对线虫灭杀率均有显著影响，因素间存在明显的交互作用，各因素作用效应顺序如下：温度>时间>药剂种类>温度×时间>温度×浓度>温度×药剂种类>浓度。甲醛200倍液42 ℃处理2 h或40 ℃处理3 h，印楝素750倍液42 ℃处理3 h，金满枝500倍液42 ℃处理3 h，印楝素500倍液42 ℃处理1 h或40 ℃处理2 h线虫平均死亡率达99.00%以上，与其它处理差异极显著(P<0.01)。
- Abstract:
- Lily bulbs with underground pests were used as test materials，four factor and three levels completely random orthogonal test method was used，the killing effects of the temperature，processing time，pesticide kinds and concentrations on Rhizoglyphus echinopus，Bradysia odoriphaga Yang et Zhang，Poduridae，nematode were studied.The results showed that it was effective in 38 ℃ of the water for 1 hour.It could kill the Bradysia odoriphaga Yang et Zhang effectively.Poduridae could be killed completely in 38 ℃ of water for 2 hours.Poduridae could also be killed completely in 38 ℃ of the water with formaldehyde solution 200 times dilution for 2 hours.The Rhizoglyphus in bulb could be killed completely when the bulbs were soaked in 38 ℃ of the water with azadirachtin 750 times dilution or Cyflumetofen 500 times dilution for 2 hours，and then in formaldehyde 200 times dilution for 3 hours.When the bulbs were soaked in the water which temperature was equal or greater than 40 ℃ for 1 hour，the death rate of Rhizoglyphus echinopus could reach 100.00%.The temperature，processing time，the kinds and concentrations of pesticide had significant impacts on the death rate of nematode respectively，there were obvious interactions between factors.The factors effect was as follows,temperature>processing time>pesticide kinds>temperature×time>temperature×concentration>temperature×pesticide kinds>concentration.The nematode mortality rate could reach more than 99.00% on average with treatment Formaldehyde 200 times liquid of 42 ℃ for 2 hours or 40 ℃ for 3 hours,Azadirachtin 750 times liquid 42 ℃ for 3 hours,Cyflumetofen 500 times liquid 42 ℃ for 3 hours，Azadirachtin 500 times liquid 42 ℃ for 1 hour or 40 ℃ for 2 hours.There were extremely significant differences from other treatments at 0.01 level.
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备注/Memo
第一作者简介：杨迎东（1973-），男，硕士，副研究员，现主要从事球宿根花卉育种与栽培技术等研究工作。E-mail:yangyingdong2011@163.com.基金项目：辽宁省农村科技特派团资助项目（2014215031）。