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ผลงานตีพิมพ์ในวารสารวิชาการReversible interconversion behavior of ag species in AgHZSM-5: XRD, H-1 MAS NMR, TPR, TPHE, and catalytic studiesผู้แต่ง: Ausavasukhi, A, Suwannaran, S,  Dr.Jumras Limtrakul, Professor , Sooknoi, T, วารสาร:   
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 ที่มา:Applied Catalysis A: Generalหัวเรื่อง:Reversible interconversion behavior of Ag species in AgHZSM-5: XRD, 1H MAS NMR, TPR, TPHE, and catalytic studies |
 หัวเรื่อง:ไม่มีชื่อไทย (ชื่ออังกฤษ : Improved Tryptophan Content in Maize with Opaque-2 gene Using Marker Assisted Selection (MAS) in Backcross and Selfing Generations) ผู้เขียน:ดร.ชูศักดิ์ จอมพุก, รองศาสตราจารย์ , Pachara Cheuchart, ดร.พีรนุช จอมพุก, รองศาสตราจารย์ , ดร.สมศักดิ์ อภิสิทธิวาณิช, รองศาสตราจารย์ สื่อสิ่งพิมพ์:pdf AbstractThe low nutritive value of the maize endosperm protein is genetically controlled. However, quality protein maize (QPM) which is available today contains the opaque-2 gene (o2o2) for double tryptophan content in the endosperm along with numerous modifiers for kernel vitreousness. The objectives of this study were: 1) to convert normal inbred lines to QPM inbred lines by the backcross method and marker-assisted selection (MAS) of the opaque-2 gene and 2) to estimate the combining ability of QPM inbred lines for yield and some agronomic characters. Crosses were made between normal maize and QPM as female and male parents, respectively. These were backcrossed to the recurrent parent. By the marker phi057, it was shown that all F1 were heterozygous (O2o2) while the BC1F1 progenies of Agron20 ? Pop65C6-46 and Agron29 ? Pop65C6-55 had 1:1 ratio of homozygous dominant (O2O2) to heterozygous (O2o2). The heterozygous offspring were self-pollinated to produce the BC1S1. By the marker of phi057 again, homozygous recessive (o2o2) plants were identified in one and six from the crosses of Agron20 ? Pop65C6-46 and Agron29 ? Pop65C6-55, respectively. The protein content in the endosperm of these seven lines ranged from 7.35 to 7.72% and the tryptophan content in the protein ranged from 0.70 to 0.84% which was in the range known for opaque-2 maize (0.80%), twice more than in normal maize (0.41%). The diallel cross of BC1S2 lines was made by Griffing’s Method 4 (fixed effect) and 21 F1-hybrids were obtained. The best test hybrid yielded 7.67 t ha 1, which was close to the commercial single cross hybrid (KSX4452; 8.35 t ha-1). One line (P1) had the best combination of general combining ability effects for grain yield; a second line (P6) was almost equal. Both were considered to be suitable as tester lines for the quality protein maize program. |
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 Researcherนางสาว ชลาลัย เรืองหิรัญ, ผู้ช่วยศาสตราจารย์ที่ทำงาน:ภาควิชาสัตวแพทยสาธารณสุขศาสตร์ คณะสัตวแพทยศาสตร์ สาขาที่สนใจ:สัตวแพทย์สาธารณสุข, Veterinary Public Health, Antimicrobial resistance, Zoonosis, Molecular biology: evolution analysis and phylogenetic study, Bioaerosol sampling, Air pollution, Occupational health and safety Resume |
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ผลงานตีพิมพ์ในวารสารวิชาการAssessment of Drivers of Antimicrobial Usage in Poultry Farms in the Mekong Delta of Vietnam: A Combined Participatory Epidemiology and Q-Sorting Approachผู้แต่ง:Truong, DB, Doan, HP, Tran, VKD, Nguyen, VC, Bach, TK, Ms.chalalai rueanghiran, Assistant Professor, Binot, A, Goutard, FL, Thwaites, G, Carrique-Mas, J, Rushton, J, วารสาร: |