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時空虧缺灌溉對溫室盆栽辣椒生理生態(tài)指標的影響?yīng)?/div>
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    摘要:

    研究了時空虧缺灌溉對溫室內(nèi)辣椒生理及生長特性的影響,，分析了時空虧缺灌溉在辣椒葉片水平上水分利用效率的影響機理,。結(jié)果表明，時空虧缺灌溉對辣椒株高,、葉面積等營養(yǎng)生長指標具有一定的抑制作用,，但合理的時空虧缺灌溉卻可以顯著抑制蒸騰速率Tr,，而光合速率Pn下降不明顯，復(fù)水后Pn又具有超補償效應(yīng),，光合產(chǎn)物具有超補償積累,，且可大幅度提高葉片水平上的水分利用效率。

    Abstract:

    Based on potted experimental data conducted at automatization greenhouse in water-saving park of Hohai university, influence of space-time deficit irrigation on physiological and gronomic features of hot pepper was studied, and the influence mechanism of space-time deficit irrigation on the water use efficiency (WUE) of leaf level of hot pepper was analyzed. The experimental results showed that space-time deficit irrigation had a certain inhibition on the growth of height, leaf area, and other vegetative indexes. However, the moderate space-time deficit irrigation could restrain transpiration rate enormously, but make photosynthesis rate fall slowly. Therefore, WUE of leaf level is considerably improved because the photosynthesis has the compensating effect after rewatering.

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邵光成,張娟,陳磊,劉娜,邢文剛.時空虧缺灌溉對溫室盆栽辣椒生理生態(tài)指標的影響?yīng)琜J].農(nóng)業(yè)機械學報,2008,39(3):96-100.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(3):96-100.

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