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黑龙江省不同熟期玉米品种灌浆脱水及产量品质特性
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引用本文:周 颖,张立国,顾万荣,刘晓双,左师宇,曹鑫波,李 晶,魏 湜.黑龙江省不同熟期玉米品种灌浆脱水及产量品质特性[J].西北农业学报,2017,26(8):1173~1182
DOI:10.7606/j.issn.1004-1389.2017.08.010
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周 颖,张立国,顾万荣,刘晓双,左师宇,曹鑫波,李 晶,魏 湜 (1.东北农业大学 农学院哈尔滨 1500302.黑龙江省农业科学院 玉米研究所哈尔滨 150086) 
基金项目:国家重点研发计划(2016YFD0300103);哈尔滨市应用技术研究与开发项目(2015RQQXJ046);黑龙江省博士后科研启动基金(LBH-Q16031);黑龙江省青年科学基金(QC2015032);东北农业大学“学术骨干”项目。
中文摘要:为明确不同熟期玉米品种灌浆脱水及产量品质特性,为黑龙江省选择熟期适宜的玉米品种提供参考,选用晚熟品种(‘先玉335’和‘鑫鑫2号’)、中晚熟品种(‘绥玉23’和‘吉单27’)作为试验材料,在哈尔滨地区(第一积温带)展开试验,对其籽粒灌浆速率、含水量、脱水速率、产量及品质进行研究。结果表明:不同熟期的品种籽粒灌浆特性不同,中晚熟品种‘绥玉23’和‘吉单27’灌浆启动快、最大灌浆速率出现时间早于晚熟品种‘先玉335’和‘鑫鑫2号’。各品种的脱水特征亦有不同,相比‘先玉335’‘鑫鑫2号’2个品种,‘绥玉23’‘吉单27’前期脱水速率更大,脱水快,收获时含水量更低。中晚熟品种与晚熟品种产量差异不显著,品质差异显著,中晚熟品种籽粒体积质量和淀粉质量分数显著高于晚熟品种,品质相对更好。为保证玉米正常成熟,降低籽粒含水量,提高产量和品质,在哈尔滨地区种植中晚熟品种较为适宜。
中文关键词:熟期  灌浆  脱水  产量  品质
 
Characteristics of Grain Filling, Dehydration, Yield and Quality in Different Maturing-type Maize in Heilongjiang Province
Abstract:A field experiment was conducted to illustrate grain filling, dehydration, yield and quality characteristics in different maturing-type maize in Heilongjiang province, aimed to provide a valuable reference for the selection of maturity, experiments were conducted in Harbin(the first accumulated temperature zone) with late maturity (‘Xianyu 335’ and ‘Xinxin 2’) and mid-late maturity (‘Suiyu 23’ and ‘Jidan 27’) as material, the grain filling rate, moisture content, dehydration, yield and quality were analyzed. The results showed that the grain filling characteristics of different maturing-type maize were different, grain-filling of ‘Suiyu 23’ and ‘Jidan 27’ started and reached the maximum grain-filling rate earlier than ‘Xianyu 335’ and ‘Xinxin 2’. Grain dehydrating rate was also different among different varieties. Compared with ‘Xianyu 335’ and ‘Xinxin 2’, grain dehydrating rate of ‘Suiyu 23’ and ‘Jidan 27’ was higher and dehydrated faster in early stage, and moisture content at harvest was lower. There was no significant difference in yield between different maturing-type maize, but test weight and starch content of mid-late maturity were remarkably higher than late maturity, which meant that the quality of mid-late maturity was better. In order to ensure the maturity of maize, reduce the moisture content, improve yield and quality,mid-late maturity was suitable for planting at Harbin.
keywords:Maturity  Grain filling  Dehydration  Yield  Quality
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