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本文研究了蔗糖脂肪酸酯（ＳＦＥ）对开花期和结荚期大豆叶片中超氧化物歧化酶（ＳＯＤ）、叶绿素含量和大豆产量的影响。实验结果表明，在大豆开花期和结荚期两个时期都喷施０．１％的ＳＦＥ后，可以使ＳＯＤ酶的相对活力提高４１％、叶绿素ｂ的含量提高 ５８％左右，并在处理后 ４～５天叶绿素含量最高；ＳＦＥ能增加叶片中的含氮量２倍左右，增加植株的单株结英数７０％和种子的百粒重３２％，并能提高种子中的蛋白质含量４．８％。
In this paper, the effects of sucrose fatty acid ester (SFE) on superoxide dismutase (SOD), chlorophyll content and soybean yield in flowering and podding soybean leaves were studied. The results showed that the relative activity of SOD enzyme increased by 41% and the content of chlorophyll b increased by 58% after sprayed with 0.1% SFE in both flowering and podding stages of soybean. After treatment The content of chlorophyll was the highest in 4 ~ 5 days. SFE increased the nitrogen content in leaves by about 2 times, increased the number of plants per plant by 70% and seeds by 100%, and increased the protein content in seeds. 8%.