本文已被：浏览 760次 下载 1294次
投稿时间：2005-08-24 修订日期：2005-10-31
投稿时间：2005-08-24 修订日期：2005-10-31
中文摘要: 通过人工模拟试验,模拟了低温、干旱及低温干旱并发对玉米生长发育的影响。根据试验结果定量地评估了低温、干旱及并发对玉米苗期、抽雄期生理过程的影响。结果表明:低温、干旱对玉米的生理过程为负效应,并发加大了负效应的影响。并建立了低温、干旱及并发对籽粒产量的影响评估方程:y=-516.2162+58.72343x1+125.9081x2+114.8233x3;方程中:y为籽粒产量(kg·hm-2),x1为土壤湿度(%),x2为苗期温度(℃),x3为抽雄期温度(℃)。
中文关键词: 玉米，评估，环境胁迫
Abstract:The effect of low temperature, drought, low temperature plus drought on maize growth was imitated in phytotron. The effect of low temperature, drought, low temperature plus drought on the physiological process of maize in the seedling and the heading stage is quantitatively evaluated. The result shows that low temperature and drought stress had negative effect on physiological process and the negative effect was enlarged while low temperature plus drought. A evaluation equation of the effect of the stresses on grain yield is as: y=516.2162+58.72343x1+125.9081x2+114.8233x3. Where, y is the grain yield (kg·hm -2), x1 is the soil humidity (%), x2 is the air temperature at seedling stage (℃) and x3 is the air temperature in the heading stage(℃).
keywords: maize, evaluation, environment stress
文章编号： 中图分类号： 文献标志码：
基金项目:国家“十五”攻关项目(2004BA509B16)
| Author Name | Affiliation |
引用文本：
刘玲,郭建平,高素华,2006.低温、干旱并发对玉米影响的评估研究[J].气象,32(4):116-120.
,2006.Evaluation on the Effect of Low Temperature and Drought on Maize[J].Meteor Mon,32(4):116-120.
刘玲,郭建平,高素华,2006.低温、干旱并发对玉米影响的评估研究[J].气象,32(4):116-120.
,2006.Evaluation on the Effect of Low Temperature and Drought on Maize[J].Meteor Mon,32(4):116-120.