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การพัฒนาสายพันธุ์ข้าวต้านทานต่อความหลากหลายไบโอไทป์ ของเพลี้ยกระโดดสีน้ำตาล (Nilaparvata lugens (Stål)) Thai Agricultural
Jirapong Jairin; Pamorn Pattawatang; Varapong Chamarerk; Phikul Leelakud; Wanwisa Khunnasut; Watchalawalee Boonmee; Pimnapa Uttakavapee; Wanida Thueannadee.
Development of rice varieties conferring broad-spectrum and durable resistance against brown planthopper (BPH) is one of the major challenges facing the plant breeders. Idea has been generated in this study for incorporating resistance genes of ovicidal response and feeding inhibition into rice breeding lines. Our initial experiments focused on discovering the ovicidal trait in indica rice cultivars. We found that some weedy rice lines had the ovicidal resistance, causing 60% to 100% egg mortality. The egg mortality rate depends on the rice developmental stages and is the highest at the maximum tillering stage. This is the first report of the ovicidal trait in indica rice lines. The BPH resistance in weedy rice lines is not only mediated by the ovicidal...
Tipo: Collection Palavras-chave: Nilaparvata lugens; Rice; Biotype; Ovicidal resistance; Feeding inhibition; Weedy rice; Nilaparvata lugens; ข้าว; ไบโอไทป์; ความต้านทานจากการทำลายไข่; การยับยั้งการกินอาหาร; ข้าววัชพืช.
Ano: 2014 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5898
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การพัฒนาสายพันธุ์ข้าวต้านทานต่อความหลากหลายไบโอไทป์ของเพลี้ยกระโดดสีน้ำตาล (Nilaparvata lugens Stål) Thai Agricultural
Jirapong Jairin; Phikul Leelakud; Varapong Chamarerk; Pamorn Pattawatang; Watchalawalee Boonmee; Pimnapa Uttakavapee; Wanida Thueannadee.
Development of rice varieties conferring broad-spectrum and durable resistance against brown planthopper (BPH) is one of the major challenges facing the plant breeders. Idea has been generated in this study for incorporating resistance genes of ovicidal response and feeding inhibition into rice breeding lines. Our initial experiments focused on discovering the ovicidal trait in indica rice cultivars. We found that some weedy rice lines had the ovicidal resistance, causing 60% to 100% egg mortality. The egg mortality rate depends on the rice developmental stages and is the highest at the maximum tillering stage. This is the first report of the ovicidal trait in indica rice lines. The BPH resistance in weedy rice lines is not only mediated by the ovicidal...
Tipo: PhysicalObject Palavras-chave: Rice; Nilaparvata lugens; Biotype; Ovicidal resistance; Feeding inhibition; Weedy rice; ข้าว; ไบโอไทป์; ความต้านทานจากการทำลายไข่; การยับยั้งการกินอาหาร; ข้าววัชพืช; เพลี้ยกระโดดสีน้ำตาล; อัตราการตายของไข่.
Ano: 2014 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5624
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ความหลากหลายทางพันธุกรรมและชีวชนิดของแมลงบั่วในประเทศไทย Thai Agricultural
Jirapong Jairin; Kanlaya Sansen; Sa-nguan Teangdeerith; Phikul Leelakud; Rungnapa Kawichai; Wantana Siratanasak; Nalinee Chiengwattana.
Amplified fragment length polymorphism (AFLP) and biotype-specific markers were used for identification of genetic diversity and biotypes of rice gall midge, Orseolia oryzae in Thailand. Pupae and adults of the gall midges were collected from 19 field locations of 12 provinces during 2006 - 2007. Total of 242 polymorphic AFLP bands were generated from 12 selective primer pairs. Cluster analysis, performed by the UPGMA, separated the gall midge populations into four distinct groups. To identify the biotype, five specific-biotype markers were used to characterize the collected gall midges. Two biotypes of the gall midges, biotype 2 and 5, were identified from all populations used in this research. The results showed that the genetic diversity was not...
Tipo: Collection Palavras-chave: Orseolia oryzae; Rice gall midge; Biotype; Genetic diversity; AFLP; ข้าว; แมลงบั่ว; การจำแนกชีวชนิด; ความหลากหลายทางพันธุกรรม; เอเอฟแอลพี; โมเลกุลเครื่องหมาย; ประเทศไทย.
Ano: 2009 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5092
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