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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1270/jsbbs.18159
|2 doi
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|a pubmed24n1476.xml
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|a eng
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1 |
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|a Baltazar, Miriam D
|e verfasserin
|4 aut
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| 245 |
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|a QTL mapping for tolerance to anaerobic germination in rice from IR64 and the aus landrace Kharsu 80A
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| 264 |
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 20.07.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Direct seeding of rice often results in poor crop establishment due to unlevelled fields, unpredicted heavy rains after sowing, and weed and pest invasion. Thus, it is important to develop varieties able to tolerate flooding during germination, also known as anaerobic germination (AG), to address these constraints. A study was conducted to identify QTLs associated with AG tolerance from an IR64/Kharsu 80A F2:3 mapping population using 190 lines phenotyped for seedling survival under the stress. Genotyping was performed using a genomewide 384-plex Indica/Indica SNP set. Four QTLs derived from Kharsu 80A providing increased tolerance to anaerobic germination were identified: three on chromosome 7 (qAG7.1, qAG7.2 and qAG7.3) and one on chromosome 3 (qAG3), with LOD values ranging from 5.7 to 7.7, and phenotypic variance explained (R2) from 8.1% to 12.6%. The QTLs identified in this study can be further investigated to better understand the genetic bases of AG tolerance in rice, and used for marker-assisted selection to develop more robust direct-seeded rice varieties
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4 |
|a Journal Article
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4 |
|a Oryza sativa
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| 650 |
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4 |
|a anaerobic germination
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| 650 |
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4 |
|a direct seeding
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| 650 |
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4 |
|a quantitative trait loci
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| 650 |
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4 |
|a rice
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| 700 |
1 |
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|a Ignacio, John Carlos I
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Thomson, Michael J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ismail, Abdelbagi M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mendioro, Merlyn S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Septiningsih, Endang M
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Breeding science
|d 1998
|g 69(2019), 2 vom: 02. Juni, Seite 227-233
|w (DE-627)NLM098238299
|x 1344-7610
|7 nnns
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| 773 |
1 |
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|g volume:69
|g year:2019
|g number:2
|g day:02
|g month:06
|g pages:227-233
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| 856 |
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|u http://dx.doi.org/10.1270/jsbbs.18159
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|h 227-233
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