摘要
为筛选小麦磷高效基因型,指导田间有效施肥,节约农业生产成本,对西南麦作区24个小麦基因型在2种磷素水平下进行了磷素高效基因型的筛选。结果表明,基因型间对磷素的吸收利用能力存在差异,典型的无磷高效型品种:川麦104、川麦42、内麦836、安97-12;低磷高效型品种:SW 1747、渝1734、川麦42、绵16 Z 36、17 P 2-5,其中川麦42、川麦104等在低磷胁迫下根系依然表现出较强的增生能力,对于高效利用磷素提供条件。此次筛选结果与田间表现比较一致,在一定程度上可用于小麦育种研究与指导农业生产。
In order to screen high phosphorus efficiency genotypes of wheat,direct effective fertilization in field and save the cost of agricultural production,24 wheat genotypes in southwest wheat growing area were screened under 2 phosphorus levels.The results showed that there were differences in phosphorus uptake and utilization among genotypes.The typical phosphorus-free high efficient varieties were Chuanmai 104,Chuanmai 42,Neimai 836,an 97-12,and the low phosphorus efficient varieties were SW 1747,yu 1734,Chuanmai 42,mian 16 z 36,17 P 2-5,among them,river wheat 42 and Chuanmai 104 showed strong ability of root proliferation under low phosphorus stress,which provided conditions for high phosphorus utilization.The result of screening was consistent with the field performance,which could be used in wheat breeding research and agricultural production.
作者
罗永露
隋建枢
陈天青
吴文强
何庆才
王伟
LUO Yonglu;SUI Jianshu;CHEN Tianqing;WU Wenqiang;HE Qingcai;WANG Wei(GuizhouTnstitute of Uplanand Crops,Guiyang 550006,China)
出处
《耕作与栽培》
2021年第5期12-14,19,共4页
Tillage and Cultivation
基金
国家小麦产业技术体系贵阳综合试验站建设项目(CARS-3-2-42)
云贵麦区小麦化肥农药减施增效技术集成研究与示范(2018 YFD 0200509)
七大作物育种专项“西南麦区优质多抗高产小麦新品种培育”(2017 YFD 0100900)子课题“抗逆抗白粉病小麦新品种培育”
中央补助地方试验室建设项目《贵州省特色旱地粮食作物种质资源创新平台建设》(黔科中引地[2018]4003)。
关键词
小麦
低磷胁迫
基因型筛选
wheat
low phosphorus stress
genotype selection