[1]赵黎明,顾春梅,王士强,等.花后植物生长调节剂对低温水稻的调控效果[J].黑龙江农业科学,2019,(09):71-73.[doi:10.11942/j.issn1002-2767.2019.09.0071]
　ZHAO Li-ming,GU Chun-mei,WANG Shi-qiang,et al.Effects of Plant Growth Regulators on Regulation of Low Temperature in Rice[J].HEILONGJIANG AGRICULTURAL SCIENCES,2019,(09):71-73.[doi:10.11942/j.issn1002-2767.2019.09.0071]
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花后植物生长调节剂对低温水稻的调控效果

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2019年09期 页码: 71-73 栏目: 出版日期: 2019-09-10
Title:
Effects of Plant Growth Regulators on Regulation of Low Temperature in Rice
作者:
赵黎明; 顾春梅; 王士强; 王丽萍; 王贺; 那永光; 解保胜
黑龙江省农垦科学院 水稻研究所，黑龙江 佳木斯 154007
Author(s):
ZHAO Li-ming; GU Chun-mei; WANG Shi-qiang; WANG Li-ping; WANG He; NA Yong-guang; XIE Bao-sheng
Rice Research Institute of Heilongjiang Academy of Land Reclamation Sciences,Jiamusi 154007,China
关键词:
水稻; 植物生长调节剂; 低温; 化学调控
Keywords:
rice;  plant growth regulators;  low temperature;  chemical regulation
DOI:
10.11942/j.issn1002-2767.2019.09.0071
文献标志码:
A
摘要:
为明确花后低温对水稻的影响及其化防效果，在大田条件下，以垦鉴稻6号为试验材料，叶面喷施spd、6-BA和SY20 -三种植物生长调节剂，比较水稻低温与常规之间差异，分析植物生长调节剂对低温水稻的调控效果。结果表明：低温会导致株高、穗长以及节间长缩短，显著降低水稻每穗实粒数、每穗粒重、千粒重、结实率和产量。与清水对照相比，叶面喷施6-BA可以明显缓解株高、穗长以及节间长缩短，减小低温对产量及其构成的不利影响，降低产量损失，而喷施SY20-效果次之。说明叶面喷施植物生长调节剂是可以对水稻花后低温起到防控作用的，有利于化控技术在水稻生产上的推广应用。
Abstract:
In order to study the effect of low temperature after flowering on rice and its chemical control effect,and took Kenjiandao 6 as experimental material，the spd,6-BA and SY20- were sprayed on the leaves of rice，the differences between low temperature and conventional rice were compared,and the effects of plant growth regulators on low temperature rice were analyzed.The results showed that low temperature could shorten plant height,panicle length and internode length,and significantly reduce grain number per plant,grain weight per plant,1 000-grain weight,seed setting rate and yield of rice.Compared with clear water control,leaf spraying 6-BA- could significantly alleviate the shortening of plant height,panicle length and internode length,reduce the adverse effects of low temperature on yield and its components,and significantly reduce yield loss,followed by SY20- regulator.It is concluded that foliar spraying of plant growth regulators can prevent and control low temperature after anthesis,which is beneficial to the popularization and application of chemical control technology in rice production.

参考文献/References:

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备注/Memo

收稿日期：2019-04-10

基金项目：黑龙江省农垦科学院科技创新项目。
第一作者简介：赵黎明（1980-），男，博士，副研究员，从事水稻栽培生理与化学调控研究。E-mail: nkzlm@126.com。

更新日期/Last Update: 2019-09-17