WANG Tong tong,ZHANG Feng ming,BAI Liang ming,et al.Effect of Tempertature on Rice Growth[J].HEILONGJIANG AGRICULTURAL SCIENCES,2016,(02):17-20.[doi:10.11942/j.issn1002-2767.2016.02.0017]
温度对水稻生长的影响
- Title:
- Effect of Tempertature on Rice Growth
- 文章编号:
- 1002-2767(2016)02-0017-04
- Keywords:
- rice; temperature; blunt sensitivity; Heilongjiang province
- 分类号:
- S511
- 文献标志码:
- A
- 摘要:
- 温度一直是黑龙江省水稻生产的第一限制因子,正确的理解温度对黑龙江水稻生长发育的影响将更有益于未来更好更快更精准的培育水稻新品种。利用水稻育秧后闲置的大棚做增温处理,以10个已审定并且推广面积较大的水稻品种为材料,进行全生育期温度调查,研究不同品种在大棚内外生育进程及各农艺性状的变化。结果表明:高温下所有品种的生育期都提前了,但是幅度不一样,达到齐穗期活动积温也存在差异;同时高温对龙稻5号、龙稻18东农428和中龙香粳1号有效穗数的影响达到了显著差异,对穗粒数及穗长的影响差异不显著。通过相关分析可知,用某一时间点株高的变化幅度来表示不同品种对不同温度反应的钝敏差异。
- Abstract:
- Temperature plays a key role of rice producing in Heilongjiang province.To understand how the temperature affects growth and development of rice would be better to breed new varieties faster and more accurate.Seedlings greenhouse was used after rice seedlings to provide a higher temperature treatment.Ten rice varieties which were approval were used as test material.Temperature was recorded every 15 min for the whole duration.Agronomic characters were investigated every 7 days.According to analyzing all these data some timing was found.Under higher temperature growth period of all varieties were getting forward,but not under a same level.Active accumulated temperature of full heading time was also different.At the same time the number of productive spike of Longdao 5,Longdao 18,Dongnong 428 and Zhonglongxiangjing 1 under higher temperature reached significant difference,but difference of spike length and seeds per spike were not significant,at the time range ability of plant height might point out different sensitivity of different rice variety.
参考文献/References:
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备注/Memo
基金项目:黑龙江省农业科学院青年基金资助项目(2014-QN001);国家水稻产业技术体系专项经费资助项目(CARS-01-43);黑龙江省攻关重大资助项目 (GA13B101);国家科技支撑计划资助项目( 2014BAD01B01B03-02;)黑龙江省应用技术研究与开发计划资助项目(GA13B101-03)