叶面喷施硒制剂对小麦产量、品质及籽粒硒含量的影响
Science and Technology of Tianjin Agriculture and Forestry(2020)
Abstract
为研究硒元素在小麦籽粒中的转化效果,探索外源硒对优质强筋小麦产量及品质的影响,试验以"中麦629"、"小偃60"为供试品种,在小麦扬花灌浆期叶面喷施不同组合的硒制剂,研究喷施外源硒对小麦籽粒产量、籽粒硒含量及品质的影响.结果表明,叶面喷施硒制剂增加了小麦产量,籽粒硒含量大幅提高.2017年试验,"小偃60"小麦单产增加3.3%、籽粒硒含量增加29.9%,"中麦629"单产增加0.2%~8.6%,籽粒硒含量增加21.4%~74.1%.2018年试验,"中麦629"小麦籽粒、精粉、全粉、麸皮硒含量分别较对照增加103.8%、98.4%、92.1%和138.3%.叶面喷施硒制剂后,"中麦629"小麦籽粒拉伸面积较对照增加12.4%~24.7%,稳定时间延长51.4%~76.4%,面筋指数提高6.9%~25%.
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