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KMID : 1041219890310020065
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Journal of Sericultural and Entomological Science
1989 Volume.31 No. 2 p.65 ~ p.68
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Studies on the Mulberry Graftages
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Abstract
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Cold hardiness of mulberry graftages was examined with two varieties, Kaeryangppong and Keomseolppong in early December. Exposure temperatures were three levels (-5, -10 and -15°C) at the 4 exposure times (6, 12, 24 and 48 hrs).
No damage showed at -5°C for 48 hrs. Survival rate decreased sharply from -10°C, regardless exposure times. There was no survivals from -10°C for 12 hrs in Kaeryangppong and from -15°C for 6 hrs in Keomseolppong.
This suggested Keomseolppong was stronger in cold than Kaeryangppong. Regrowth decreased drastically from - 10°C.
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