|Table of Contents|

Insecticidal Experiment for Lily Bulbs Disinfection(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年05
Page:
109-113
Research Field:
Publishing date:

Info

Title:
Insecticidal Experiment for Lily Bulbs Disinfection
Author(s):
YANG Yingdong; WANG Weidong; BAI Yiguang; HU Xinying; FENG Xiuli; LI Xueyan
（Institute of Flowers Research,Liaoning Academy of Agricultural Sciences,Shenyang，Liaoning 110161)
Keywords:
lily bulbs; pests; disinfection
PACS:
-
DOI:
10.11937/bfyy.201705026
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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Last Update: 2017-03-24