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KMID : 1041219830250010027
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Journal of Sericultural and Entomological Science
1983 Volume.25 No. 1 p.27 ~ p.33
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The Effects of Cadmium on the Growth of Mulberry Tree and Metabolic Activities in the Leaves
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Bae Kae-Sun
Kim Yong-Sang
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Abstract
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The study was carried out to examine effect of cadmium spraying on mulberry leaves on the growth and metabolism of mulberry tree.The results obtained were as follow:1. Brown spot were appeared on the leaves as the symptoms of damage and the damage was remarkable with higher concentration of cadmium.2. Higher concentration of Cd inhibited the length and diameter of mulberry branches with a significant difference (P<0.05) for the length. The growth of branch length in both 5 and 7 ppm treatment of Cd was inhibited by 31% compared with the control. 3. Cadimum concentration of mulberry barks was noticeably lower than that of leaves. 4. Cadimum concentration over 3ppm inhibited significantly chlorophyll content, activitsies of respiration, glutamic oxaloacetic transaminase (GOT), glutamic pyruvic transase (GPT) and adenocine triphosphate (APT). 5. The lowest concentration of cadmium was identified to be 3ppm to incur the inhibitory effect on the growth and metabolism of mulberry and cadmium content of mulberry leaves at the concentration was 13.86ppm.
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