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甲硫氨酸和茉莉酸甲酯对芥蓝硫代葡萄糖苷的影响

DOI: 10.7668/hbnxb.2009.01.008, PP. 31-35

Keywords: 甲硫氨酸,茉莉酸甲酯,硫代葡萄糖苷,芥蓝

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Abstract:

研究叶面喷施甲硫氨酸(Met)和茉莉酸甲酯(MeJA)单独和混合处理对芥蓝体内硫代葡萄糖苷(简称硫苷)组分及其含量的影响,为栽培调控提高芥蓝品质提供理论依据。结果表明:各处理芥蓝体内硫苷组分相同,均含有8种硫苷Met处理对芥蓝总硫苷含量及各组分含量均无显著性影响MeJA、Met+MeJA处理显著提高总硫苷、吲哚族硫苷、吲哚甲基硫苷和1-甲氧基吲哚甲基硫苷含量,其中MeJA处理含量较高,分别为对照的2.55,16.59,11.85和86.37倍,MeJA、Met+MeJA处理也显著降低了脂肪族硫苷、2-丙烯基硫苷、4-甲基硫氧丁基硫苷和3-丁烯基硫苷含量,其中MeJA处理较对照分别降低了32.53%,29.79%,46.71%和33.31%,Met+MeJA较对照分别降低了37.04%,37.58%,46.44%和39.36%。可见,茉莉酸甲酯可显著改变芥蓝体内硫苷含量。

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