Insecticide Susceptibility of the Rice Leafroller Larvae, Cnaphalocrocis medinalis GUENEE (Lepidoptera : Pyralidae)

Endo, Shozo; Kazano, Hikaru; Masuda, Takeo

doi:10.1303/aez.22.145

Cited by 9 publications

(6 citation statements)

References 8 publications

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“…Frequent and serious outbreaks have been reported in many Asian countries, including India, Korea, Japan, China, Malaysia, Sri Lanka, and Vietnam (Heong 1993, Nathan et al 2006. Frequent applications of insecticides were adopted to prevent the damage by leaffolder larvae (Su et al 2003), and the resistance to some insecticides also has been documented in Japan (Endo et al 1983(Endo et al , 1988(Endo et al , 1993, China (Xiao et al 1994), and India (Anadan andRegupathy 2007, Anabalagan andRegupathy 2008).…”

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confidence: 99%

Insecticide Susceptibility of Cnaphalocrocis medinalis (Lepidoptera: Pyralidae) in China

Zheng¹,

Ren²,

Su³

2011

jnl. econ. entom.

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Insecticide control is the major measure for suppression of Cnaphalocrocis medinalis (Guenée) (Lepidoptera: Pyralidae) damage, and a few insecticides used for long time have proved to fail to control this pest in China. Several new chemicals have been introduced for control of C. medinalis. However, there was no baseline susceptibility data of C. medinalis to insecticides used or will be in use. In this study, a seedling dipping method was developed for bioassay of insecticide susceptibility of C. medinalis. Dose responses of C. medinalis to 11 insecticides were tested. Interpopulation sensitivity to insecticides was compared. Based on LC50 values, C. medinalis was most susceptible to antibiotic insecticides (abamectin, emamectin benzoate, and spinosad) and least sensitive to monosultap and a Bacillus thuringiensis (Bt) product. Chlorantraniliprole and insect growth regulator (IGR) insecticides (tebufenozide and hexaflumuron) exhibited great efficacy against C. medinalis. No susceptibility difference was observed for antibiotic insecticide and IGR insecticides among three populations. Narrow variation in tolerant level was detected for organophosphates insecticides, chlorantraniliprole, monosultap, and Bt. The results in this study provided baseline susceptibility data of C. medinalis to 11 insecticides and also offered useful information for choice of alternative insecticide and for integrated resistance management of C. medinalis.

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confidence: 99%

Insecticide Susceptibility of Cnaphalocrocis medinalis (Lepidoptera: Pyralidae) in China

Zheng¹,

Ren²,

Su³

2011

jnl. econ. entom.

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“…Although control of C. medinalis with chemicals is not difficult (Endo et al, 1987), its occurrence was widespread because many farmers try to reduce the number of insecticide applications as possible due to public concern and the cost of the chemicals. Under this situation, it is ideal if the parasitoid complex of C. medinalis can play a significant role in suppressing this pest (Ueno, 1999).…”

Section: Resultsmentioning

confidence: 99%

Insect natural enemies as bioindicators in rice paddies

Ueno

2012

Korean Journal of Agricultural Science

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:In Asia, including Japan and Korea, rice paddies occupy the largest cultivated area in agricultural land. Rice paddies provide the habitats for many organisms including endemic species, sustaining high biodiversity. Insect natural enemies inhabiting rice paddies have an important function for rice production as agents of 'ecosystem services' because they play a major role in suppressing rice pests. The diversity and abundance of natural enemies can be a good index reflecting the 'healthiness' of agro-ecosystem services in rice paddies. The present study investigates whether insect natural enemies could be good biological indicators for general arthropod biodiversity and agricultural practice. First, the concept of ideal bio-indicators was summarized. The strategy to explore and select such bio-indicators was then proposed. Lastly, field survey was made to evaluate the abundance and biodiversity of natural enemies in Japanese rice paddies where chemical inputs, i.e., insecticide use, were different. The results showed that reduction of chemical inputs led to an increase in species richness or diversity of natural enemies including parasitoids and predators. Then, the data were analyzed to examine suitable indicator species to assess environmental soundness of agricultural practice and biodiversity in rice paddies. The density of several species of natural enemies did respond both to pesticide use and to general arthropod biodiversity. The analyses thus have indicated that natural enemies can be suitable as bio-indicators. Usefulness of indicator species in rice paddies is discussed in the context of ecologically sound agriculture.

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“…In the present study, a rice seedling dipping method modified from Endo et al was adopted to evaluate the response of RSSBs to chlorantraniliprole. Thirty‐one field populations collected from 22 geographic areas were assayed, and among these 22 geographic areas nine areas were samples in both 2010 and 2011, another 13 areas were sampled only in one year (2010 or 2011).…”

Section: Discussionmentioning

confidence: 99%

“…A rice seedling dipping method was modified from Endo et al and used to test the susceptibility of RSSB to chlorantraniliprole . Three‐week‐old rice seedlings (approximately 25 cm in height) were immersed for 10 sec in an insecticidal suspension diluted from the stock solution.…”

Section: Methodsmentioning

confidence: 99%

Geographic susceptibility of Chilo suppressalis Walker (Lepidoptera: Crambidae), to chlorantraniliprole in China

Zhang

et al. 2013

Pest. Manag. Sci.

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These results revealed great geographical variations in chlorantraniliprole susceptibilities among different geographic populations of RSSBs, which might indicate the potential for RSSBs to develop resistance to chlorantraniliprole. The effective execution of insecticide resistance monitoring programs and management strategies is urgently needed in China to sustain RSSB susceptibility to chlorantraniliprole.

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Insecticide Susceptibility of the Rice Leafroller Larvae, Cnaphalocrocis medinalis GUENEE (Lepidoptera : Pyralidae)

Cited by 9 publications

References 8 publications

Insecticide Susceptibility of Cnaphalocrocis medinalis (Lepidoptera: Pyralidae) in China

Insecticide Susceptibility of Cnaphalocrocis medinalis (Lepidoptera: Pyralidae) in China

Insect natural enemies as bioindicators in rice paddies

Geographic susceptibility of Chilo suppressalis Walker (Lepidoptera: Crambidae), to chlorantraniliprole in China

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