The Principal Component Analysis on Yielding and Agronomic Traits of Hybrid Rice of Liangyou 2111  

杂交水稻两优2111产量与农艺性状的主成分分析（英文）

作　　者：吕宏斌[1] 钱敏[2] 李朝华 徐加万 丁明亮[1] 刘宏珺 梅新彪 王海德 陈良 黄洁 杨林仙 李政芳[1] 

机构地区：[1]云南省农业科学院粮食作物研究所,云南昆明650205 [2]云南省农业科学院农业经济与信息研究所,云南昆明650205 [3]云南省墨江县种子管理站,云南墨江654800 [4]云南省农业科学院,云南昆明650205 [5]云南省德宏州种子管理站,云南芒市678400 [6]云南省云县农业技术推广中心,云南云县675800 [7]云南省红河州农业科学研究所,云南蒙自661100 [8]双江县农业技术推广中心,云南双江677300

出　　处：《Agricultural Science & Technology》2017年第3期483-486,共4页农业科学与技术（英文版）

基　　金：Supported by Yunnan Agricultural Development Bureau;Yunnan Modern Agricultural Rice Industry Technology System~~

摘　　要：In order to define the relationship between yield and important agronomic traits of two lines hybrid Uangyou 2111, the principal component analysis method was used to analyze the expadmental data of six test points in Yunnan Province. The results showed that the main factors influencing the production of Liangyou 2111 were grain number, grains seed number, panicle length, growth padod and panicle rate; then were 1 O00-grain weight, seed setting rate, effective panicle and highest stem tillers number; again was plant height. Therefore, when hybrid rice of Uangyou 2111 will be planted widely in yunnan province, we should focus on en- sudng the panicle traits, especially increase grain number and grain seed number, and coordinately develop other traits to achieve high yield.[目的]明确两系杂交水稻两优2111产量与重要农艺性状之间的相互关系。[方法]依据在云南省6个州市(县)两优2111的种植表现,运用主成分分析方法分析了两优2111的产量及其与10个重要农艺性状的相关关系。[结果]影响两优2111产量的最主要因素是穗粒数、实粒数、穗长、生育期和成穗率;其次是千粒重、结实率、有效穗和最高茎蘖数;再次是株高。[结论]两优2111在云南省各籼稻区推广种植时,应着重保证其穗部性状尤其是穗粒数和实粒数的增多,协调其他性状的发展以实现高产。

关 键 词：RICE Two ＂lines hybrid of Liangyou 2111 Yielding traits Principal com-ponent analysis 

分 类 号：S511[农业科学—作物学]