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Response of electron transport rate of water stress-affected grapevines; Influence of leaf age

机译:水分胁迫下葡萄藤的电子传递速率响应;叶龄的影响

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摘要

The present study examined the electron transport rate of photosynthesis in response to light for leaves of differ- ent age following the imposition of water stress in Vitis vinifera during the growth period when leaf carbon gain is largely used for sugar accumulation into the berries. Vines grown in pots wee gradually dehydrated to soil moisture levels of 10, 60, 40 and 25/100 of field capacity and at each soil moisture level the photosynthetic light response of selected leaves was recorded using chlorophyll fluores- cence analysis.
机译:本研究研究了在葡萄生长期间,当叶片碳的增加主要用于糖分积累到浆果中时,对葡萄施加水分胁迫后,不同年龄叶片的光合作用对光的电子传输速率。在盆中生长的藤蔓逐渐脱水至田间持水量为土壤湿度的10、60、40和25/100,并且在每个土壤湿度下,使用叶绿素荧光分析记录了选定叶片的光合光响应。

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