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Activities of ICRISAT and possible linkages to the Thai program Thai Agricultural
Aran Patanothai.
Palavras-chave: ICRISAT; The International Crop Research Institute for the Semi-Arid Tropics; Activities; Research; Training programs; ข้าวฟ่าง; แหล่งพันธุกรรม; ความร่วมมือระหว่างประเทศ.
Ano: 1980 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/4004
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Maize research at CIMMYT and its possible implication to the Thai program Thai Agricultural
Renfro, B.L..
Palavras-chave: Corn; Maize; CIMMYT; Research; World germplasm; Varieties; Staff services; Experitise; Information service; Experiment station; ข้าวโพด; ซิมมิท; แหล่งพันธุกรรม; การให้คำปรึกษา; การฝึกอบรม.
Ano: 1980 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/4002
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การประเมินประชากรลูกผสมชั่วที่ 5 ระหว่างข้าวปลูก(Oryza sativa L.) และข้าวป่าสามัญ(Oryza rufipogon Griff) ในลักษณะดอกที่เอื้อต่อการผสมข้าม Thai Agricultural
Sarun Khumto; Benjawan Rerkasem; Sansanee Jamjod.
Cultivated rice (Oryza sativa L.) is self-pollinating, with flowering traits that exclude crosspollination. Hybrid rice seed production is therefore limited by low outcrossing rate between parental lines. To improve outcrossing ability in cultivated rice, common wild rice (O. rufipogon Griff.) was used as a source for outcrossing traits and backcrossed to Suphanburi 1 (SPR1) cultivated rice (BC2). In this study, F5 progenies of the backcross (BC2F5) were grown and evaluated for flowering traits in comparison with SPR1 parent. At flowering, florets were collected to measure the length of anthers and pistil. The anthers of SPR1 averaged 2.32 mm and pistil 1.50 mm, in length. The F5 population ranged 2.40 to 3.93 mm in anther length (3% to 170% of SPR1) and...
Tipo: Collection Palavras-chave: Anther; Pistil; Outcrossing; Rice; ข้าว; เกสรตัวเมีย; การผสมข้าม; อับละอองเรณู; พันธุ์ลูกผสม; การคัดเลือก; แหล่งพันธุกรรม.
Ano: 2012 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5334
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การสืบค้นหาแหล่งพันธุกรรมความต้านทานโรคใบหงิกและโรคเขียวเตี้ยของข้าวป่าและข้าวปลูก เพื่อใช้ในการปรับปรุงพันธุ์ Thai Agricultural
Kanuengnij Srivilai; Witchuda Rattanakarn; Suniyom Taprap; Rogelio Cabunagan.
Total of 130 rice accessions from IRRI were tested for resistance to rice ragged stunt virus (RRSV) and rice grassy stunt virus (RGSV). The viruses were transmitted by brown planthopper (BPH) vector. Virus-carrying BPH was transferred to healthy seedlings in mylar cakes. Disease symptom was observed and scored at 30 days after inoculation. Viral infection was also detected by ELISA test. Visual score showed RRSV and RGSV infection ranged from 5.00-78.57% and 7.14-100%, respectively. The results correspond to that of ELISA test, but the ELISA test gave higher percentage of infection. Based on percentage of infection and disease index, 12 accessions were identified as resistance to RRSV; 37 accessions as moderately resistance; 25 accessions as tolerance. No...
Tipo: PhysicalObject Palavras-chave: Wild rice; Cultivated rice; Ragged stunt disease; Grassy stunt disease; Plant disease resistance; Plant breeding; ข้าวป่า; ข้าวปลูก; โรคใบหงิก; โรคเขียวเตี้ย; เชื้อไวรัส; ความต้านทานโรคพืช; การปรับปรุงพันธุ์; แหล่งพันธุกรรม; การทดสอบพันธุ์.
Ano: 2013 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5688
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ข้าวป่า แหล่งปลูกต้านทานแมลงศัตรูข้าวปลูก Thai Agricultural
Kanchana Klakhaeng.
Tipo: Collection Palavras-chave: Wild rice; Genetic resources; Pest; Insect pest; ข้าวป่า; แหล่งพันธุกรรม; ศัตรูข้าว; แมลงศัตรูข้าว; ข้าวปลูก; การปรับปรุงพันธุ์; พันธุ์ต้านทาน.
Ano: 2005 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5302
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