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| Registros recuperados: 17 | |
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| PRABHU,ANNE S.; GUIMARÃES,ELCIO P.; FILIPPI,MARTA C.; ARAUJO,LEILA G.; CUTRIM,VERIDIANO A.. |
| Thirty-nine rice (Oryza sativa) hybrids and their restorers were assessed for vertical resistance to Pyricularia grisea in the rice blast nursery, and in artificial inoculation tests with two pathotypes, under controlled greenhouse conditions. The hybrids were developed from cytoplasmic genetic male sterile lines 046I and IR 58025A, derived from WA cytoplasm. In the rice blast nursery all hybrids showed susceptible reaction varying from 5 to 9. Compatible and incompatible leaf blast reactions of hybrids to two pathotypes, IC-1 and IB-45, were observed in inoculation tests. A majority of the hybrids were resistant when the restorer was resistant. However, seven of the 25 F1 hybrids exhibited susceptible reactions even when one of the parents was resistant... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Magnaporthe grisea; Rice blast; Hybrid rice; Partial resistance; Oryza sativa. |
| Ano: 2002 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-41582002000500003 |
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| Pachara Saengsawong; Supaporn Junbuathong; Piyavadee Charoenwattana. |
| In three-line hybrid rice system, development of parental lines by backcrossing and early generation testing for combining ability is a method used for developing CMS lines (A line) and restorer lines (R line) simultaneously. In this study F3 progenies from 15 crosses of maintainers (B line) were backcrossed to their respective A lines, and 6 crosses and 46 isogenic lines produced. Completely sterile backcross progenies were found in 3 crosses, i.e., IR79156A//IR79156B/CNT1, IR80156A//IR80156B/IR46R and IR80156A//IR80156B/SPR1. Concurrently three new CMS lines, PTT08001A, PTT08002A and PTT08003A were developed. They were then crossed with 5 testers or restorer lines, i.e., RD31, SPR1, CK81, CK120 and CK168. The resulting 15 crosses of F1 hybrid were... |
| Tipo: PhysicalObject |
Palavras-chave: Cytoplasmic male sterile; CMS system; Hybrid rice; A-line; B-line; R-line; Restorer lines; Back crossing; Parental lines; Variety development; Yield trial; ข้าวลูกผสม; ข้าว 3 สายพันธุ์; การผสมกลับ; สายพันธุ์เรณูเป็นหมัน; สายพันธุ์รักษาความเป็นหมัน; สายพันธุ์แก้ความเป็นหมัน; สายพันธุ์พ่อแม่; การพัฒนาสายพันธุ์; ความดีเด่นของลูกผสม; การผลิตข้าว; การทดสอบพันธุ์; สมรรถนะการผสม; ผลผลิต. |
| Ano: 2013 |
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5706 |
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| Kulchana Ketsuwan. |
| Next Generation Sequencing (NGS): SOLiD System Sequencing Platform was applied to investigate the whole transcriptome of two hybrids (PTT06001H; H1 and PTT06008H: H2), two paternal lines (CK81; P1 and CK120; P2), and maternal line (IR79156; M). The data sets were aligned against the reference, precisely, the total numbers of the individual rice panicles sample aligned with Nipponbare ranking from the highest were as follows, P2 (9,747,077 reads), H1 (7,386,061 reads) , P1 (5,361,077 reads) , H2 (5,196,982 reads), and M (2,244,306 reads), respectively. The differentially expressed genes (DEGs) were identified and found that 2902, 1604, 3168, 3068, 1171, and 3031 genes were up-regulated (> 2 fold) between M vs. H1, P1 vs. H1, M vs.P1, M vs. H2, P2 vs. H2,... |
| Tipo: PhysicalObject |
Palavras-chave: Hybrid rice; Heterosis; Differentially expressed genes; DEGs; Genetic transformation; Gene expression; Transcription; Nucleotide analysis; Plant breeding; Rice productivity; ข้าว; พันธุ์ลูกผสม; ช่อดอก; การถ่ายทอดทางพันธุกรรม; การแสดงออกของยีน; การถอดรหัสพันธุกรรม; การวิเคราะห์นิวคลีโอไทด์; การปรับปรุงพันธุ์; ศักยภาพความดีเด่นเหนือพ่อแม่; การเพิ่มผลผลิต. |
| Ano: 2014 |
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5659 |
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| Registros recuperados: 17 | |
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