气候条件对Ⅱ优688产量及其构成要素的影响

对Ⅱ优688整个生育期间的气候因子与产量及其构成要素进行相关分析,结果表明：有效穗与5月中旬的最高气温呈显著正相关,与8月中旬的日照时数呈显著负相关;结实率与9月上、中旬的最低气温呈显著正相关;穗总粒数与8月的最高气温呈显著正相关;实粒数与9月中旬的最低气温和平均气温分别呈显著和极显著正相关;产量与9月上旬的降雨量呈显著负相关,因此,可通过季节调整、植物生长物质应用等措施进一步提高Ⅱ优688的产量。...

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Published in江西农业学报 Vol. 24; no. 2; pp. 11 - 14
Main Author 扶定 王青林 祁玉良 杨黎明 霍二伟 沈光辉 郭桂英
Format Journal Article
LanguageChinese
Published 河南省信阳市农业科学研究所,河南信阳,464000%河南省罗山县植保站,河南罗山,464200 2012
Subjects
产量
优688
气候条件
水稻
气候条件
产量
水稻
优688
Online AccessGet full text
ISSN1001-8581
DOI10.3969/j.issn.1001-8581.2012.02.003

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Summary:对Ⅱ优688整个生育期间的气候因子与产量及其构成要素进行相关分析,结果表明：有效穗与5月中旬的最高气温呈显著正相关,与8月中旬的日照时数呈显著负相关;结实率与9月上、中旬的最低气温呈显著正相关;穗总粒数与8月的最高气温呈显著正相关;实粒数与9月中旬的最低气温和平均气温分别呈显著和极显著正相关;产量与9月上旬的降雨量呈显著负相关,因此,可通过季节调整、植物生长物质应用等措施进一步提高Ⅱ优688的产量。
Bibliography:36-1124/S
FU Ding1,WANG Qing-lin1,QI Yu-liang1,YANG Li-ming2,HUO Er-wei1,SHEN Guang-hui1,GUO Gui-ying1（1.Xinyang Institute of Agricultural Science in Henan Province,Xinyang 464000,China; 2.Luoshan Plant Protection Station of Henan Province,Luoshan 464200,China）
The correlations between the climatic factors in the whole growth period of ⅡYou 688 and the yield and yield components of this rice variety were analyzed.The results showed that the productive panicles showed a significant positive correlation with the maximum air temperature of mid-May,and a significant negative correlation with the sunshine duration of mid-August.There was a significant positive correlation between the setting percentage and the minimum air temperature during the first 20 days of September.The number of total grains per panicle was significantly positively correlated with the maximum air temperature of August.The number of filled grains per panicle had significant and extremely significant positive correlations with the minimum air te
ISSN:1001-8581
DOI:10.3969/j.issn.1001-8581.2012.02.003