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KMID : 0613819980080010097
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Journal of Life Science
1998 Volume.8 No. 1 p.97 ~ p.101
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Effect of Cucurbitaceous Crops and Rootstocks on the Xylem Sap, Amount Mineral Element and Plant Hormone
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Abstract
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Experiments were conducted to investigate the bleeding xylem sap characteristics, mineral contents and endogenous plant hormon contents in cucumbeer and origental melen plant grafted onto different rootstocks and various cucubitaceous crops developed for rootstocks. The volume of xylem sap, expressed as milliliter per 100g plant flesh weight, was high in the Heukzong rootstock plant as compared to the other rootstock plant,. Acidity(pH) and electric conductivity(EC) values in breeding xylem sap were not much influenced by the kind of rootstocks. Incucumber plant grafted onto different rootstocks, the contents of xylem sap in total nitrogen, phosphorus and K were increased by grafting, whereas those of Ca and Mg were decreased. Rootstocks had no influence on the total nitrogen contents in xylen sap of ‘Sineuncheon’, but decreased K Contents. Conecntration of cytokinin-like substances in origental melon xylem sap was a little higher in Sintozwa and ungrafted.
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