YUAN Wan-chen,SHANGWen-nan,LIU Yan,et al.Effect of Different Densities inside Hole on Rice Growth and Yield[J].HEILONGJIANG AGRICULTURAL SCIENCES,2009,(04):21-23.[doi:10.11942/j.isn1002-2767.2009.04.0021]
不同穴内密度对水稻生长发育及产量的影响
- Title:
- Effect of Different Densities inside Hole on Rice Growth and Yield
- 文章编号:
- 1002-2767(2009)04-0021-03
- Keywords:
- rice; density inside hole; growth; yield
- 分类号:
- S511
- 文献标志码:
- A
- 摘要:
- 选用东农 04-18品种, 在穴间密度为 36.3 cm×16.5cm的条件下, 研究不同穴内密度对水稻生长发育及产量和产量构成因素的影响。结果表明,穴内密度为2 棵苗处理在茎孽数、干物质积累、叶绿素含量、光合速率、穗数、千粒重、结实率、产量等方面均能保持较高的水平, 穴内密度过大或过小均不利于水稻生长发育及产量的提高。
- Abstract:
- Effect of different densities inside hole on rice growth and yield and yield components was studied under the sametransplant density(36.3 cm×16.5 cm)with variety of Dongnong04-18.The results showed that stem-tiller number, drymatter accumulation, chlorophyll content, photosynthesis rate, panicle number, 1000-grain weight and seed setting ratereached relatively high level under two seedlings per hole condition.Higher and lower densities could obstruct rice growthand decreased yield.
参考文献/References:
[ 1] 凌启鸿.作物群体质量[ M」.上海:上海科学技术出版社, 2000:96-106.
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备注/Memo
基金项目:东北农业大学创新团队发展计划资助项目;黑龙江省教育厅重大资助项目第一作者简介:袁万臣(1982-), 男, 黑龙江省桦南县人,硕士, 主要从事水稻栽培研究。E-mail:qianjianyi318@163.com。通讯作者:金正勋, E-mail:zxjin326@hotmail.com