GU Chun-mei,XIE Bao-sheng,ZHAO Li-ming,et al.Analysis on Reason of High Yield of Rice in Cold Region in 2014 than in 2013[J].HEILONGJIANG AGRICULTURAL SCIENCES,2015,(10):38-41.[doi:10.11942/j.issn1002-2767.2015.10.0038]
寒地水稻2014年较2013年高产原因分析
- Title:
- Analysis on Reason of High Yield of Rice in Cold Region in 2014 than in 2013
- 文章编号:
- 1002-2767（2015）10-0038-04
- Keywords:
- rice in cold region; temperature; leaf age; yield components; high yield reason
- 分类号:
- S511
- 文献标志码:
- A
- 摘要:
- 为了探索在相同地力、相同处理条件下水稻的高产原因，对比了黑龙江省佳木斯2013年与2014年39月每月日平均温度、相同试验水平下的叶龄进程、产量构成因素。结果表明：2014年比2013年高产原因主要是2013年结实期温度不足，导致2013比2014年结实率低16.6百分点，每穗粒重低0.64 g。
- Abstract:
- In order to explore reason of high yield of rice in the same soil,the same processing conditions,the month and daily average temperature from March to September in 2013 and 2014 in Jiamusi City of Heilongjiang province were analyzed,leaf age process of the same experiment condition was discussed,yield and its constitute factors were analyzed．The results showed that the main reason of the 2014 yield was higher than that in 2013,it was the lack of the low temperature environment at grainfilling stage in 2013,as compared with the seed setting rate and seed weight per panicle in 2014，it reduced by 16.6 percent point and 0.64 gram in 2013 respectively．
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备注/Memo
收稿日期：2015-07-29基金项目：公益性行业（农业）科研专项经费资助项目（201303102）；国家十二五科技支撑计划资助项目（2012BAD04B01-05）第一作者简介：顾春梅（1972-），女，黑龙江省克山县人，研究员，从事水稻栽培研究。E-mail:zpguchunmei@126.com。通讯作者：解保胜（1965-），男，研究员，从事水稻栽培研究。E-mail:nksds1957@163.com。