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青椒于第6片叶时被栽植进人工补充光照栽培箱内,每天12小时光照,12小时黑暗(70wm~(-2)PAR,日温24℃,夜温20℃)。在第一个果实着生一个月后取样,样本为1/3展开叶,每周取两次样,一次于破晓后1小时;一次于黄昏后1小时。检定分析样本的淀粉、糖、淀粉酶及磷酸化酶的活性。象期待的那样,全部试验期间,淀粉的含量在破晓后保持低水平,而淀粉含量在黄昏后比破晓后更高,说明淀粉的累积量白天和破晓有所区别。然而,刚好第一朵花开放之前,每
Green peppers were planted in Artificial Greenhouse with 12 hours light, 12 hours darkness (70wm -2 PAR, day temperature 24 ℃, night temperature 20 ℃). One month after the birth of the first fruit, samples were taken. The samples were 1/3 of the leaves, twice a week, one hour after dawn and one hour after dusk. Samples were assayed for starch, sugar, amylase and phosphorylase activity. As expected, the starch content remained low after daybreak, but starch content was higher after dawn than after dawn, indicating that the accumulation of starch differed day and daybreak. However, just before the opening of the first flower, each