[1]高盼,徐莹莹,杨慧莹,等.水分胁迫对半干旱地区玉米生长发育及产量的影响[J].黑龙江农业科学,2017,(08):17-20.[doi:10.11942/j.issn1002-2767.2017.08.0017]
　GAO Pan,XU Ying-ying,YANG Hui-ying,et al.Effects of Water Stress on Growth and Yield of Maize in Semi Arid Area[J].HEILONGJIANG AGRICULTURAL SCIENCES,2017,(08):17-20.[doi:10.11942/j.issn1002-2767.2017.08.0017]
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水分胁迫对半干旱地区玉米生长发育及产量的影响

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2017年08期 页码: 17-20 栏目: 出版日期: 2017-08-10
Title:
Effects of Water Stress on Growth and Yield of Maize in Semi Arid Area
文章编号:
1002-2767（2017）08-0017-04
作者:
高盼; 徐莹莹; 杨慧莹; 刘玉涛; 王宇先; 王俊河
黑龙江省农业科学院 齐齐哈尔分院，黑龙江 齐齐哈尔 161006
Author(s):
GAO Pan; XU Ying-ying; YANG Hui-ying; LIU Yu-tao; WANG Yu-xian; WANG Jun-he
Qiqihar Branch of Heilongjiang Academy of Agricultural Sciences，Qiqihar,Heilongjiang 161006
关键词:
水分胁迫; 半干旱; 玉米; 产量
Keywords:
water stress;  semi-arid;  maize;  yield
分类号:
S513
DOI:
10.11942/j.issn1002-2767.2017.08.0017
文献标志码:
A
摘要:
为了确定最佳的灌水模式，通过抗旱棚试验，分析水分胁迫对半干旱地区玉米生长发育及产量的影响。结果表明：（1）不同处理间株高、穗位差异达到显著水平，其中苗期重旱和拔节期干旱对玉米株高影响较大，导致植株生长速度下降和矮化。但不同生育期的干旱胁迫均使植株穗位降低30%以上。（2）干旱胁迫对植株茎粗的影响不显著。（3）干旱胁迫对不同处理间穗长达到显著差异，其中苗期重旱和拔节期干旱对穗长影响较大，分别比T0减少7.9%、26.3%、15.8%和15.8%，而苗期轻旱、中旱胁迫处理和开花期干旱胁迫处理则穗长有所增加；干旱胁迫处理百粒重和产量差异达到显著水平；拔节期干旱对产量影响极大，分别比对照降低15.4%、11.5%、27.3%。
Abstract:
In order to determine the optimal irrigation mode, the effects of water stress on maize growth and yield in semi-arid area were analyzed through drought resistance test.The results showed that (1) plant height and ear height had the significant difference between each treatments, both severe drought in seedling stage and drought in jointing stage had a greater impact on maize plant height, caused the growth rate to slow down and the maize performed symptoms of dwarfing.However, the drought stress in each growth stages reduced the maize ear height by more than 30%.(2) The stem diameter under different drought stress treatments had no significant difference.（3) The ear length in different drought stress treatments had significant difference, severe drought in seedling stage and drought in jointing stage had a greater impact on maize ear length,the ear length were 7.9%,26.3%, 15.8% and 15.8% less than T0. And ear length of maize under the light and moderate drought in seedling stage, drought in flowering stage increased. 100-seed weight and the yield were significant difference in different drought stress treatments;drought at jointing stage had a great influence on yield, which was 15.4%, 11.5% and 27.3% lower than that of CK.

参考文献/References:

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备注/Memo

收稿日期：2017-06-23

基金项目:公益性行业（农业）科研专项资助项目（201303125-21）、（201503116-02）；中央引导地方科技专项资助项目（ZY16C05-2）
第一作者简介：高盼（1990-），女，黑龙江省双鸭山市人，硕士，研究实习员，从事作物栽培研究。E-mail：panneygao@126.com。
通讯作者：刘玉涛（1968-），男，黑龙江省尚志市人，学士，副研究员，从事作物栽培和旱作节水研究。E-mail：00681107@163.com。

更新日期/Last Update: 2017-11-13