Position of Source Leaf Affects Translocation and Distribution of C14 Photo-Assimilates in Tomato

서지정보

ㆍ발행기관 : 한국생물환경조절학회 ㆍ수록지정보 : 생물환경조절학회지(구 시설원예ㆍ식물공장) / 15권 / 2호
ㆍ저자명 : Sang-Gyu Lee, Chiwon W. Lee

영어 초록

The relationship between source leaf position and photo-assimilate translocation and distribution was characterized for tomato (Lycopersicon esculentum Mill) grown in the greenhouse. Three different positions of source leaf on the stem (first node above or below the first fruit cluster and 5th node above the first fruit cluster) were tested for their influence on 14CO2 assimilation and transfer to different parts of the plant. The leaves at the 5th node above the first fruit cluster transferred the highest (57%) proportion of C14 to other plant parts, followed by leaves home on the first node below the first fruit cluster (50%), and the first node above the first fruit cluster (39%). In all treatments, fruits served as the strongest sink for C14, followed by stem, leaf, and root tissues. The leaf home on the 5th node above the first fruit cluster transferred the largest amount of C14 to the second fruit cluster.

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