[1]杨慧莹,刘玉涛,王宇先,等.不同包衣制剂对低温胁迫下不同熟期春玉米发芽和出苗的影响[J].黑龙江农业科学,2018,(12):1-7.[doi:10.11942/j.issn1002-2767.2018.12.0001]
　YANG Hui-ying,LIU Yu-tao,WANG Yu-xian,et al.Effect of Different Seed Coating Reagents on Germination and Emergence of Four Maize Varieties at Different Maturity Stages Under Low Temperature Stress[J].HEILONGJIANG AGRICULTURAL SCIENCES,2018,(12):1-7.[doi:10.11942/j.issn1002-2767.2018.12.0001]
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不同包衣制剂对低温胁迫下不同熟期春玉米发芽和出苗的影响

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2018年12期 页码: 1-7 栏目: 出版日期: 2018-12-10
Title:
Effect of Different Seed Coating Reagents on Germination and Emergence of Four Maize Varieties at Different Maturity Stages Under Low Temperature Stress
作者:
杨慧莹; 刘玉涛; 王宇先; 高 盼; 徐莹莹; 于海林; 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):
YANG Hui-ying; LIU Yu-tao; WANG Yu-xian; GAO Pan; XU Ying-ying; YU Hai-lin; WANG Jun-he
Qiqihar Branch of Heilongjiang Academy of Agricultural Sciences,Qiqihar 161006,China
关键词:
低温胁迫; 外源性制剂; 早熟玉米; 苗期形态
Keywords:
low temperature stress; exogenous preparation; early maturing maize; seedling stage morphology
DOI:
10.11942/j.issn1002-2767.2018.12.0001
文献标志码:
A
摘要:
针对东北春玉米春季低温冷害频发的问题，选取了4个不同熟期的玉米品种为试材，首先在低温4、5、6、7 ℃确定参试品种芽期及低温胁迫处理的临界温度，然后配制植物激素类、抗生素类以及植物激素和抗生素混合的11种制剂组合，在低温胁迫处理下测定玉米的发芽率、发芽势、发芽指数等指标，以筛选出高效的耐低温制剂。结果表明：通过对4个发芽指标的比较，确定临界温度为5 ℃；11个制剂中芸苔素混剂可以提高4个品种的各发芽指标及田间出苗率，综合抗冷剂988及水稻抗冷剂则均表现为抑制作用；田间试验中早熟品种庆单9号对耐低温包衣制剂的响应好于晚熟品种先玉335。
Abstract:
In view of the frequent cold injury of spring maize in Northeast China, four maize varieties at different maturity stages were selected as test materials.Firstly, the critical temperature of low temperature stress treatment at budding stage was determined at 4,5,6 and 7 ℃,respectively.Then, plant hormones, antibiotics, plant hormones and antibiotics were mixed as 11 kinds of seed coating agents.The germination rate, germination potential and germination index of maize were determined under low temperature stress to screen out highefficient and lowtemperaturetolerant preparations.The results showed that the critical temperature of germination of four varieties was 5 ℃ by comparing the germination indexes of four varieties.The mixture of brassinolide in 11 preparations could improve the germination index and field emergence rate of four varieties, and the comprehensive coldresistant agent 988 and rice coldresistant agent all showed inhibition effects.The response of Zhongqingdan 9 and Hanyu 5 to low temperature resistant coatings was better than that of Xianyu 335 and Zhongdongyu 1 in field experiments.

参考文献/References:

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备注/Memo

收稿日期：2018-07-25基金项目：公益性行业（农业）科研专项经费资助项目（20150311602）。第一作者简介：杨慧莹（1984-），女，硕士，助理研究员，从事旱作农业技术研究。E-mail：kikyo_young@163.com。通讯作者：王俊河（1963-），男，学士，研究员，从事耕作与栽培研究。E-mail：wangjunhe63@163.com。

更新日期/Last Update: 2019-01-07