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9月移植到田间的菠萝植株.其干物质的产生可分为4个阶段:1)早期植株生长的第一阶段;2)中期植株生长的第二阶段;3)小果分化的第三阶段;4)小果生长的第4阶段.这些阶段的干物质产生均受到气候强烈影响.在采收时,菠萝品种Mitsubishi(即“三菱”)每植株的总干重比Hawaii(即“夏威夷”)的重;然而,其果实干重则较轻.这表明Hawaii的光合产物能比Mitsu-bishi更有效地转移到果实中.叶面积指数在第二阶段的后半期迅速增加,并在第三阶段达到最大值6.5,而且一直保持到第四阶段几乎不变.菠萝生长率的季相变化显示为二项曲线,具两个高峰.第一个高峰是在第二阶段
Pineapple plants transplanted to the field in September and their dry matter production can be divided into four stages: 1) the first stage of early plant growth; 2) the second stage of medium plant growth; 3) the third stage of small fruit differentiation ; 4) Stage 4 of small fruit growth. The dry matter production at these stages is strongly affected by the climate. At harvest, the total dry weight per plant of the pineapple variety Mitsubishi (or “Mitsubishi”) is higher than that of the Hawaii (“Hawaii” ); However, its dry weight was lighter, indicating that the Hawaii photosynthate was transferred more efficiently to the fruit than Mitsu-bishi.The leaf area index increased rapidly in the second half of the second phase and was third The stage reached a maximum of 6.5 and remained virtually unchanged until stage 4. The seasonal change in pineapple growth was shown as a two-curve with two peaks.The first peak was during the second phase