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Ordenar por: RelevânciaAutorTítuloAnoImprime registros no formato resumido
Registros recuperados: 4
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การคาดการณ์การระบาดของเพลี้ยกระโดดสีน้ำตาล ในจังหวัดนนทบุรี และกรุงเทพมหานคร โดยใช้กับดักแสงไฟ Thai Agricultural
Peerapon Ratana; Jutamas Donpunchang; Wantana Sriratanasak.
The brown planthopper (BPH), Nilaparvata lugens (Stål) has been a major pest in irrigated rice growing areas of central and lower northern region since 1975. The monitoring of population density is very important for forecasting the BPH outbreak. Light trap, an effective tool for monitoring the outbreaks of BPH was conducted in hot spot areas. A light trap was set in Khlong Luang Rice Research Center while surveying in farmers’ fields in hot spot areas of BPH outbreak in Bangkok and Nonthaburi province were investigated during January 2011 to November 2012. The number of BPH caught from light trap was counted everyday throughout the year. The results showed that light trap could collect big number of BPH. The peak of BPH in light trap was in March of each...
Tipo: PhysicalObject Palavras-chave: BPH; Nilaparvata lugens (Stål); Natural enemy; Mirid bug; Light traps; Forecasting outbreaks; ข้าว; เพลี้ยกระโดดสีน้ำตาล; แมลงศัตรูธรรมชาติ; มวนเขียวดูดไข่; กับดักแสงไฟ; การคาดการณ์การระบาด; นนทบุรี; กรุงเทพฯ.
Ano: 2013 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5614
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การใช้กับดักแสงไฟคาดการณ์การระบาดของเพลี้ยกระโดดสีน้ำตาลในจังหวัดปราจีนบุรี Thai Agricultural
Wannaphan Janlapha; Chalermpol Chalermpolyotin.
Major pest in irrigated rice growing area of central and lower northern region since 1975 is brown planthopper. The factors of BPH outbreak are varieties seed rate fertilizer use misuse of chemical. The monitoring of population density is very important for forecasting the BPH outbreak. Light trap, an effective tool for monitoring the outbreak of BPH was conducted in hot spot areas. Light trap was set in Prachin Buri Rice Research Center while surveying in farmers’ field in hot spot areas of outbreak in Prachin Buri province were investigated during January 2011 to December 2012. The number of BPH from light trap was counted everyday throughout the year. The results showed that light trap could collect large number of BPH. The peak of BPH in light trap...
Tipo: PhysicalObject Palavras-chave: Brown planthopper; BPH; Nilaparvata lugens; Mirid bug; Natural enemy; Outbreak; Forecasting; Surveying; Light trap; Prachin Buri province; เพลี้ยกระโดดสีน้ำตาล; มวนเขียวดูดไข่; แมลงศัตรูธรรมชาติ; กับดักแสงไฟ; การสุ่มสำรวจ; การคาดการณ์การระบาด; การระบาดของแมลงศัตรูพืช; จังหวัดปราจีนบุรี.
Ano: 2013 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5707
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ประสิทธิภาพของสารเคมีป้องกันกำจัดแมลงกลุ่มใหม่ต่อการควบคุมเพลี้ยกระโดดสีน้ำตาล (Brown planthopper, Nilaparvata lugens (Stål)) และผลกระทบต่อมวนเขียวดูดไข่ (Mirid bug , Cyrtorhinus lividipennis Reuter) Thai Agricultural
Sukanya Arunmit; Wantana Sriratanasak; Jintana Chaiwong.
Brown planthopper (BPH) is a major insect pest of irrigated rice cultivation areas in lower north, central and northeast Thailand. The field experiments were conducted to evaluate the efficacy of nine insecticides to control BPH in farmers’ fields at Suphan Buri, Nakhonayok and Ubon Ratchathani provinces. The results showed that the sulfoxaflor 50 % WG and pymetrozine 50 % WG were the most effective insecticides. The ratios of BPH/mirid bug (MB) in the buprofezin and pymetrozine fields were lower than other fields, which may indicate the less toxicity to MB compared with other insecticides. Moreover, toxicity of each insecticide to MB was investigated using a leaf dipping method and the result indicated that pymetrozine 50 % WG was the lowest toxicity to...
Tipo: Collection Palavras-chave: Rice; Insecticides; Efficacy of insecticides; Side-effect of insecticides; ฺBrown planthopper; Mirid bug; Suphan Buri province; Nakhonayok province; Ubon Ratchathani province; Lethal concentration; Side effects; ข้าว; สารเคมีป้องกันกำจัดแมลง; ประสิทธิภาพยาฆ่าแมลง; ผลกระทบยาฆ่าแมลง; เพลี้ยกระโดดสีน้ำตาล; มวนเขียวดูดไข่; สุพรรณบุรี; นครนายก; อุบลราชธานี; ระดับความเป็นพิษ; ผลข้างเคียงของยา.
Ano: 2015 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5859
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ประสิทธิภาพของสารเคมีป้องกันกำจัดแมลงกลุ่มใหม่ในการควบคุม เพลี้ยกระโดดสีน้ำตาล (Brown Planthopper, Nilaparvata lugens (Stål)) และผลกระทบต่อมวนเขียวดูดไข่ (Mirid bug , Cyrtorhinus lividipennis Reuter) Thai Agricultural
Sukanya Arunmit; Wantana Sriratanasak; Jintana Chaiwong.
Brown planthopper (BPH), Nilaparvatar lugens (Stål) is an important insect pest of irrigated rice cultivation areas in lower north, central and northeast Thailand. The field experiments were conducted to evaluate the efficacy of nine insecticides include buprofezin 25% WP, buprofezin 5% + isoprocarb 20% WP, etofenprox 20% EC, ethiprole 10% SC, dinotefuran 10% WP, pymetrozine 50% WG, sulfoxaflor 50% WG, carbosulfan 20% EC and clothianidin 16% SG to control BPH in farmers’ fields at Suphan Buri, Nakhon Nayok and Ubon Ratchathani provinces. The results showed that the sulfoxaflor 50% WG and pymetrozine 50% WG which are new class insecticides, were the most effective insecticides that showed BPH control efficacy of 40-80% whilst the other insecticides which...
Tipo: PhysicalObject Palavras-chave: Sulfoxaflor; Pymetrozine; New class insecticide; Brown planthopper; Mirid bug; Toxicity value; LC50; สารเคมีป้องกันกำจัดแมลง; เพลี้ยกระโดดสีน้ำตาล; มวนเขียวดูดไข่; ค่าความเป็นพิษ; LC50.
Ano: 2015 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5956
Registros recuperados: 4
Primeira ... 1 ... Última
 

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