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  1. Yezin Agricultural University
  2. Department of Entomology

Efficacy of Chemical and Organic Insecticides Against Diamondback Moth, Plutella xylostella (L.), (Lepidoptera: Plutellidae) on Cabbage

Permalink : http://hdl.handle.net/20.500.12678/0000000181
81e07d39-c62f-4242-bd71-50145e47427b
df9df29e-463b-4755-b428-c0a7c8fa8bb7
Preview
Name / File License Actions
SYYA_Paper_for_YAU_journal SYYA_Paper_for_YAU_journal (Open Access).pdf (463.2 kB)
sha256: 71ab1084483f0516759260ba05bb20eabf6158495567ec18a485013d82c2d2f9
Publication type Journal article
Upload Type Publication
Title
Efficacy of Chemical and Organic Insecticides Against Diamondback Moth, Plutella xylostella (L.), (Lepidoptera: Plutellidae) on Cabbage
en
Publication date 2017
Authors
San Yu Yu Aung
Ah Nge Htwe
HtarHtar Naing
KhinThida One
Myint Thaung
Description
A survey carried out in Pindaya, Nyaung Shwe and Pin Laung Townships, Southern Shan State revealed that Cypermethrin was the most commonly used insecticide in survey areas and the highest spraying frequency was observed in Pindaya Township. Based on the survey results, Pindaya was selected as experimental area and the Cypermethrin was used as one of the treatments for field experiment. To determine the efficacy of chemical and organic insecticides for the control of diamondback moth (DBM) and their impact on natural enemies, experiments were conducted at Pindaya Township in winter and summer seasons during the period of September 2015 to June 2016. Field trial was arranged in Randomized Complete Block Design (RCB) with four replications. The treatments were (T1) Control (water only); (T2) White Gold (Cypermethrin 10% EC); (T3) Lightning (Bacillus thuringiensis var .kurstaki); (T4) Neem Seed Kernel Extract; (T5) Neem Oil; and (T6) Ywat Sein (Pyrethrin 2%+ Azadirachtin 0.5%). The result showed that higher population numbers of pest as well as natural enemy were recorded in summer season than those of winter season. The lowest population number of DBM was recorded in the plot treated with Btk. Furthermore, both of the natural enemy and parasitism rate were higher in Btk treated plot. In contrast, natural enemy populations as well as parasitism rate were lowest in Cypermethrin treated plot. Cypermethrin was not effective to control DBM in both seasons.
Keywords
chemical insecticide
Keywords
organic insecticides
Keywords
diamondback moth
Keywords
natural enemy
Files 463 Kb
Available
2020-05-05
application/pdf
preview
application/pdf
open_access
SYYA_Paper_for_YAU_journal (Open Access).pdf

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