[Objective] The aim was to select and breed Chunyou 618 which is a novel combination among japonica-indica hybrid rice subspecies. [Method] Chunyou 618 is a japonica-indica hybrid rice combination developed from Chunj...[Objective] The aim was to select and breed Chunyou 618 which is a novel combination among japonica-indica hybrid rice subspecies. [Method] Chunyou 618 is a japonica-indica hybrid rice combination developed from Chunjiang 16A, a late japonica CMS line with dwarfness and early anthesis time, and C18, an indicaclinous wide compatibility restorer line. In addition, the concerning characters were researched. [Result] Chunyou 618, which is japonica inclining, proved high in pro- duction and in resistance to lodging with Cheng＇s index at 15. It is of moderate re- sistance against Xanthomonas oryzae and stripe virus disease, of moderate susceptibility on rice blast, and of susceptibility on Nilaparvata lugens. The indices of rice quality achieved departmental standard 4 and grade 4 of Cooking Rice Variety Quality, respectively. [Conclusion] Chunyou 618 enjoys strong heterosis, strong stem, good lodging resistance, large panicles, good cold tolerance, high yield and wide adaptability, which is suitable to be grown in Zhejiang Province as single cropping late rice.展开更多
Taoyou Xiangzhan, derived from the indica CMS line Taonong 1A and Huanghuazhan （a fine quality conventional rice variety）, is a new medium-maturing late season indica hybrid rice combination. It was evaluated as the...Taoyou Xiangzhan, derived from the indica CMS line Taonong 1A and Huanghuazhan （a fine quality conventional rice variety）, is a new medium-maturing late season indica hybrid rice combination. It was evaluated as the 2nd class of fine quality rice variety in Hunan Province in 2012. It is characteristic of high-yielding ability, fine grain quality, good plant type, good lodging resistance and fertilizer tolerance, strong tillering ability and good discoloring at the late growth stage. Taoyou Xiangzhan was registered for release to commercial production by Hunan Provincial Crop Variety Appraisal Committee in June, 2015.展开更多
Mianyou 281 is the hybrid of the high-quality disease-resistant restorer line QNR281 bred by Agricultural Research Institute of Qiannan Prefecture, Guizhou Province and the high-quality sterile line Mian 7A introduced...Mianyou 281 is the hybrid of the high-quality disease-resistant restorer line QNR281 bred by Agricultural Research Institute of Qiannan Prefecture, Guizhou Province and the high-quality sterile line Mian 7A introduced from Mianyang Acade- my of Agricultural Sciences, Sichuan Province. It is indica hybrid dce. It is good in quality and has upright leaves, thick stalks, good resistance to lodging, and strong cold resistance. It participated in the regional test of hybrid indica rice varieties in Yunnan Province from 2007 to 2008 and was approved by the Crop Variety Ap- proval Committee of Yunnan Province （Dianshendao No. 2009021）.展开更多
基金Supported by Fundamental Scientific Research Project of China National Rice Research Institute(2012RG001-2)"Selective Breeding and Demonstration of Super Rice"of Ministry of Agriculture+1 种基金Zhejiang 0406 ProjectNational High-tech R&D Program of China(863Program)(2010AA101301)~~
文摘[Objective] The aim was to select and breed Chunyou 618 which is a novel combination among japonica-indica hybrid rice subspecies. [Method] Chunyou 618 is a japonica-indica hybrid rice combination developed from Chunjiang 16A, a late japonica CMS line with dwarfness and early anthesis time, and C18, an indicaclinous wide compatibility restorer line. In addition, the concerning characters were researched. [Result] Chunyou 618, which is japonica inclining, proved high in pro- duction and in resistance to lodging with Cheng＇s index at 15. It is of moderate re- sistance against Xanthomonas oryzae and stripe virus disease, of moderate susceptibility on rice blast, and of susceptibility on Nilaparvata lugens. The indices of rice quality achieved departmental standard 4 and grade 4 of Cooking Rice Variety Quality, respectively. [Conclusion] Chunyou 618 enjoys strong heterosis, strong stem, good lodging resistance, large panicles, good cold tolerance, high yield and wide adaptability, which is suitable to be grown in Zhejiang Province as single cropping late rice.
基金Supported by High-grade and High-quality New Rice Variety Breeding of Better Rice Industry in Hunan Province~~
文摘Taoyou Xiangzhan, derived from the indica CMS line Taonong 1A and Huanghuazhan （a fine quality conventional rice variety）, is a new medium-maturing late season indica hybrid rice combination. It was evaluated as the 2nd class of fine quality rice variety in Hunan Province in 2012. It is characteristic of high-yielding ability, fine grain quality, good plant type, good lodging resistance and fertilizer tolerance, strong tillering ability and good discoloring at the late growth stage. Taoyou Xiangzhan was registered for release to commercial production by Hunan Provincial Crop Variety Appraisal Committee in June, 2015.
文摘Mianyou 281 is the hybrid of the high-quality disease-resistant restorer line QNR281 bred by Agricultural Research Institute of Qiannan Prefecture, Guizhou Province and the high-quality sterile line Mian 7A introduced from Mianyang Acade- my of Agricultural Sciences, Sichuan Province. It is indica hybrid dce. It is good in quality and has upright leaves, thick stalks, good resistance to lodging, and strong cold resistance. It participated in the regional test of hybrid indica rice varieties in Yunnan Province from 2007 to 2008 and was approved by the Crop Variety Ap- proval Committee of Yunnan Province （Dianshendao No. 2009021）.
