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Cotton leaf photosynthesis and Age relationship is influenced by leaf position

机译:棉花叶片的光合作用和年龄关系受叶片位置的影响

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摘要

Photosynthesis rate per unit leaf area and leaf longevity are significant components of field cotton performance. The objective of this study was to determine the relationship between photosynthesis rate and age for leaves located at different positions in canopy. Cotton cultivars 'Sri Sumrong 60' was sowed weekly from June to September 1995 and on May 30, 1996 at Kasetsart University's Suwan experiment station. Net photosynthesis rates at light saturation (P_max) were measured using open system portable photosynthesis system equipped with LED lamp.
机译:每单位叶面积的光合作用速率和叶片寿命是田间棉花表现的重要组成部分。本研究的目的是确定位于冠层不同位置的叶片的光合作用速率与年龄之间的关系。从1995年6月至9月和1996年5月30日,每周在Kasetsart大学Suwan实验站播种'Sri Sumrong 60'棉花品种。使用配备有LED灯的开放式便携式光合作用系统测量光饱和时的净光合作用速率(P_max)。

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