qBK1 유전자 보유 키다리병 중도저항성 중만생 최고품질 복합내병성 내도복 다수성 신품종 벼 품종 ‘안평(安平)’
Development of Mid-Late Rice Cultivar ‘Anpyeong’ Harboring qBK1, a Variety Resistant to Bakanae Disease with Premium Eating Quality and Multiple Disease Resistances
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Bakanae disease is caused by several species of Fusarium and imposes serious limitations to rice production worldwide. The incidenceof this disease is increasing in the top rice-growing countries. No rice variety has been found to be completely resistant to this disease. Thus,higher resistance to the disease may be a cost saving solution preferable to the application of fungicides. ‘Anpyeong’ was derived from thecross between ‘YR24982-9-1’ and ‘Saeilmi’ in 2012 and selected as the promising line, ‘YR30389-B-2GH-103’; it was further selected anddesignated as ‘Milyang 313’ in 2016. The local adaptability test for ‘Milyang 313’ was conducted at five locations from 2016 to 2018 andthe cultivar was named ‘Anpyeong’. The heading date for the medium-late maturing cultivar ‘Anpyeong’ was August 13. The ‘Anpyeong’culm was 77 cm long and had 115 spikelets per panicle. The brown rice 1,000 grain-weight was 22.2 g, which is higher than that of ‘Nampyeong’. This variety is resistant to blast disease and rice stripe virus, but susceptible to bacterial blight and insect pest. The potential ‘Anpyeong’yield was approximately 562 kg/10 a at ordinary fertilizer level in the local adaptability test and for three years. ‘Anpyeong’ harboring theqBK1 gene derived from a tongil type rice ‘Shingwang’ is moderately resistant to bakanae disease (Registration No. 8135).
Abstract
Bakanae disease is caused by several species of Fusarium and imposes serious limitations to rice production worldwide. The incidenceof this disease is increasing in the top rice-growing countries. No rice variety has been found to be completely resistant to this disease. Thus,higher resistance to the disease may be a cost saving solution preferable to the application of fungicides. ‘Anpyeong’ was derived from thecross between ‘YR24982-9-1’ and ‘Saeilmi’ in 2012 and selected as the promising line, ‘YR30389-B-2GH-103’; it was further selected anddesignated as ‘Milyang 313’ in 2016. The local adaptability test for ‘Milyang 313’ was conducted at five locations from 2016 to 2018 andthe cultivar was named ‘Anpyeong’. The heading date for the medium-late maturing cultivar ‘Anpyeong’ was August 13. The ‘Anpyeong’culm was 77 cm long and had 115 spikelets per panicle. The brown rice 1,000 grain-weight was 22.2 g, which is higher than that of ‘Nampyeong’. This variety is resistant to blast disease and rice stripe virus, but susceptible to bacterial blight and insect pest. The potential ‘Anpyeong’yield was approximately 562 kg/10 a at ordinary fertilizer level in the local adaptability test and for three years. ‘Anpyeong’ harboring theqBK1 gene derived from a tongil type rice ‘Shingwang’ is moderately resistant to bakanae disease (Registration No. 8135).
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