干旱对合丰42不同部位叶片发育的影响

Effect of Drought on Development of Different Part of Leaves of Hefeng 42

在垄作、密植两种栽培方式的条件下,研究干旱对大豆不同部位叶片发育的影响。结果表明:无论垄作还是密植,干旱严重影响大豆叶片不同部位叶绿素含量、叶面积及周长的大小、不同部位叶长、叶宽及比值、叶片形状因子等。影响整个植株的生长发育,进而影响作物产量。

The effect of drought on development of different of part leaves of Hefeng 42 was studied under two different planting patterns which were ridge culture and thick planting. The results showed that whatever planting patterns,there was a seriously effect on chlorophyll eontent,leavea area, perimeter,leaf length,width, the ratio of length to width and leaf shape in different parts of leaves. It affeeted the whole plant growth and development,as the result affected crop yield.