黑龙江农业科学
黑龍江農業科學
흑룡강농업과학
HEILONGJINAG AGRICULTURAL SCIENCE
2015年
7期
1-3
,共3页
谭可菲%刘传增%马波%胡继芳%赵富阳
譚可菲%劉傳增%馬波%鬍繼芳%趙富暘
담가비%류전증%마파%호계방%조부양
灰色关联度%水稻%育种%农艺性状
灰色關聯度%水稻%育種%農藝性狀
회색관련도%수도%육충%농예성상
grey correlation degree%rice%breeding%agronomic characters
为了提高水稻育种效率,应用灰色关联度分析法对水稻品种的主要农艺性状和单株产量进行分析。结果表明:农艺性状对单株产量的关联度从高到低依次为单株有效穗数>每穗实粒数>结实率>千粒重>穗粒数>株高>穗长。对单株产量影响最大的是单株有效穗数和每穗实粒数,因此,在水稻高产育种中,应注重对单株有效穗数、每穗实粒数、结实率和千粒重的选择。
為瞭提高水稻育種效率,應用灰色關聯度分析法對水稻品種的主要農藝性狀和單株產量進行分析。結果錶明:農藝性狀對單株產量的關聯度從高到低依次為單株有效穗數>每穗實粒數>結實率>韆粒重>穗粒數>株高>穗長。對單株產量影響最大的是單株有效穗數和每穗實粒數,因此,在水稻高產育種中,應註重對單株有效穗數、每穗實粒數、結實率和韆粒重的選擇。
위료제고수도육충효솔,응용회색관련도분석법대수도품충적주요농예성상화단주산량진행분석。결과표명:농예성상대단주산량적관련도종고도저의차위단주유효수수>매수실립수>결실솔>천립중>수립수>주고>수장。대단주산량영향최대적시단주유효수수화매수실립수,인차,재수도고산육충중,응주중대단주유효수수、매수실립수、결실솔화천립중적선택。
In order to improve the efficiency of rice breeding ,the relationship between yield and main agronomic traits were analyzed by the method of grey correlative degree theory .The results showed that the correlation of main agronomic characters to yield per plant was effective spike per plant >grain number per spike > setting percentage>1 000‐grain weight> the number of grains per spike>plant height>spike length .So in high‐yield breeding ,must pay more attention to the select of effective spike per plant ,grain number per spike ,setting per‐centage and 1000‐grain weight .