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不同活力花生种子的蛋白质、RNA和DNA合成能力不同。用PEG渗调或多胺预处理,可提高劣变花生种子的活力和胚轴大分子合成能力。劣变种子在萌发初期(20小时内),~3H—dT渗入量反比高活力种子增高,表明存在非按期DNA合成,这一增多部份可为咖啡碱所抑制,其剩余部分与高活力种子相似。应用PEG渗调或多胺预处理可使非按期DNA合成部分减弱,而萌发后期的复制部分加强。
Different vigor peanut seeds have different protein, RNA and DNA synthesis abilities. With osmotic adjustment of PEG or polyamine pretreatment, the viability of peanut seeds and the synthesis ability of hypocotyls can be improved. Defective seeds in the early germination (20 hours), ~ 3H-dT infiltration of high-activity seeds increased, indicating that there is non-scheduled DNA synthesis, this increase can be part of the inhibition of caffeine, and its remaining part of high-energy seeds similar . The application of PEG osmolality or polyamine pretreatment can make the part of non-scheduled DNA synthesis weakened, while the late germination of the replication part of the strengthening.