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18.97.14.83
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떫은감과 단감의 내한성 (耐寒性) 차이
Difference in Freezing Resistance between Common and Sweet Persimmon
홍성각 , 황증 ( Sung Gak Hong , Jeung Hwang )
UCI I410-ECN-0102-2008-520-002116226
This article is 4 pages or less.

This study examined the cold hardiness of eight cultivars of common persimmon and six cultivars of sweet persimmon growing at the southern part of Korea, to know the most susceptible tissue part, timing of damage, and the difference in freezing resistance between the cultivars during the winter of `77-78. The cold hardiness of winter bud, cambium and xylem parenchyma of the current year twig was measured on three collection dates; 10 / 26 / 77, 1 / 26 / 78 and 3 / 26 / 78. The results were obtained as follows, 1. The least cold hardy tissue part was winter bud during mid winter and early spring. 2. On the basis of the cold hardiness of the winter bud sweet persimmon cultivars appeared to be less cold hardy than common persimmon cultivars. In the cold hardiness of cambium and xylem parenchyma, there was no consistance differece between the two group of cultivars. 3. The late frost during early spring appeared to cause the most critical damage to the winter bud of persimmon.

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