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《Journal of Henan Agricultural Sciences》 2015-12
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Resistance to Bending Properties of Panicle Neck of Erect Panicle Mutant of Indica Rice

ZHAO Xiang;YANG Guotao;FAN Cunliu;FAN Yongyi;GE Zhongying;WEI Yena;LIU Zheng;JING Yinqin;HU Yungao;Southwest University of Science and Technology;  
The erect panicle mutants of indica rice R1338 and R334 which came from Shuhui 498 mutagenesis by EMS as materials,so as to understand the reason of keeping spike erecting of erect panicle rice and provide reference for the application of indica erect panicle type rice. The results showed that the bending resistance of panicle neck of R1338 and R334 were significantly higher than that of wild type variety R498; the contents of cellulose and lignin in panicle of erect panicle mutant were significantly higher than that in the wild type,contents of cellulose of R1338 and R334 increased by 2. 76% and 1. 64% compared with wild type,the contents of lignin of R1338 and R334 increased by 17. 89% and 7. 98%,respectively;erect panicle mutant had bigger stem diameter,more contents of cellulose and lignin,better mechanical strength compared with wild type,eventually their spikes could keep erecting.
【Fund】: 国家科技支持计划项目(2014BAD01B03);; 国家政策引导类科技计划及其他专项(2013ZX08001-002);; 四川省岗位专家项目(川农业函[2014]91号);; 杂交水稻国家重点实验室开放基金项目(2014KF01);; 西南科技大学生命科学与工程学院创新实践项目
【CateGory Index】: S511.21
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Chinese Journal Full-text Database 1 Hits
1 WANG Jia-Yu,XU Zheng-Jin,CHEN Wen-Fu(Rice Institute of Shenyang Agricultural University / Key Laboratory of Crop Physiology,Ecology,Genetics and Breeding,Ministry of Agriculture / Key Laboratory of Northern Japonica Rice Breeding of Liaoning,Shenyang 110161,China);Mixed Major-gene plus Polygenes Inheritance Analysis for Erect Panicle Type in Japonica[J];Hubei Agricultural Sciences;2009-01
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