夜间补光对小麦抽穗后生长发育的影响

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光是植物生长过程中的重要环境因子,对植物的生长发育具有重要作用。目前,利用人工光源已成为提高作物品质和产量的重要途径之一。本试验以冬小麦品种豫农186为材料,在小麦抽穗后采用夜间人工补光的方式,设置5个处理,为自然条件(CK1)、不补光(CK2)、补光2 h(T1)、补光4 h(T2)、补光6 h(T3),其中自然条件(CK1)为夜间无遮光布覆盖、也不补光,后四个处理均夜间采用无纺遮光布覆盖,所有处理白天均采用自然光照。研究夜间补光对小麦叶片的光合特性、旗叶内源激素含量、籽粒灌浆特性、产量及品质的影
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