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การศึกษากลไกความต้านทานของข้าวสายพันธุ์ดีต่อเพลี้ยกระโดดสีน้ำตาล Thai Agricultural
Phamorn Pattawatang; Jate Kotcharerk; Suradet Palawisut.
Resistance mechanism of resistant varieties and promising lines of rice to brown planthopper, Nilaparvata lugens (Ståll) compared with standard resistance (PTB33 and Rathu Heenati) and standard susceptible (Taichung Native 1 : TN1) criteria to evaluate the reaction, the response of rice varieties and promising lines to the infestation of insects. Antixenosis resistance mechanisms, which describes a reaction dislike to eat or inhibit eating, affected to oviposition or fewer oviposition. Mechanical resistance Antibiosis explained by the percentage of surviving and development of the nymph stage to the adult, impact on the life cycle of insects and low feeding rates. Tolerance mechanisms of resistance can be explained by assessments of function plant loss...
Tipo: PhysicalObject Palavras-chave: Rice; Resistant varieties; Resistant mechanism; Promising lines; Brown plant hopper; Nilaparvata lugens; Insect pest; Antixenosis; Antibiosis; Plant breeding; ข้าว; สายพันธุ์; พันธุ์ต้านทานแมลงศัตรูพืช; เพลี้ยกระโดดสีน้ำตาล; การระบาดของแมลง; กลไกความต้านทาน; การทดสอบพันธุ์ข้าว; การปรับปรุงพันธุ์ข้าว.
Ano: 2014 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5667
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การสร้างแบบจำลองการเคลื่อนย้ายของเพลี้ยกระโดดสีน้ำตาล จากข้อมูลการระบาดในจังหวัดชัยนาท Thai Agricultural
Chairat Channoo; Narisra Jumroonwong.
Survey in paddy field in 2013 amount 54 fields as follow : Mueang Chai Nat 13 fields, Manorom 6 fields, Watsing 5 fields, Sapphaya 7 fields, Sankaburi 9 fields, Hankha district 10 fields, Nakhonsawan 1 field, Uthithani 1 field, Singburi 1 field and Suphanburi province 1 field. We begin survey at 15 days after planting to 90 days and used outbreak data sets by week from Department of Agricultural Extension for decision. The survey results show that brown planthopper high in 2 times per year. The first time is in February to March in Mueang Chai Nat and Hankha district because of brown planthopper outbreak in Suphanburi, migrated to Hankha district and influence of southern wind. The second time is in July to August in Mueang Chai Nat, Hankha and Sankaburi...
Tipo: PhysicalObject Palavras-chave: Paddy field; Rice production; Brown plant hopper; Migration; Forecasting model; Nilaparvata lugens; Outbreak; Products damage; Pest monitoring; Chainat province; แบบจำลองทางคณิตศาสตร์; การเคลื่อนย้ายประชากร; เพลี้ยกระโดดสีน้ำตาล; นาข้าว; การปลูกข้าว; การระบาดของแมลงศัตรูพืช; การพยากรณ์เตือนภัยการระบาด; ความเสียหายของผลผลิต; การสำรวจข้อมูล; จ.ชัยนาท.
Ano: 2014 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5678
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ความแตกต่างในความรุนแรงของเพลี้ยกระโดดสีน้ำตาลต่อการเข้าทำลายพันธุ์ข้าว Thai Agricultural
Jate Kotcharerk; Phamorn Pattawatang.
Evaluation of the ability of rice varieties in resistance to brown plant hopper was performed using seed box screen test. The brown plant hopers (BPH) were collected from rice paddy fields in Phitsanulok, Chainat, and Ang Thong Province. From cluster analysis at level 0.8, there were three different groups classified by the different level of rice plant damage after treated by the insects. The three different level of damage were graded by the ability in resistance to the BPH as resistance, moderately resistance and susceptible. Considering in biotype of the BPH, the results indicated that there were variety of BPH biotypes in each samples collected from the three different provinces. Mainly, the biotype 4 and 5 were indentified in these samples. However,...
Tipo: PhysicalObject Palavras-chave: Brown plant hopper; Biotype; Virulence; Paddy field; Rice variety; Resistance varieties; Nilaparvata lugens; Outbreak; Pest resistance; เพลี้ยกระโดดสีน้ำตาล; ชีวชนิด; ปฏิกิริยาความรุนแรง; จังหวัดพิษณุโลก; พันธุ์ต้านทาน; พันธุ์ข้าว; นาข้าว; ยีนต้านทานแมลงศัตรูพืช; การถ่ายทอดทางพันธุกรรม; การระบาดของแมลงศัตรูพืช; ปฏิกิริยาความรุนแรง.
Ano: 2014 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5681
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