대추나무의 단근처리가 생육 및 결실에 미치는 영향
Effect of Root Pruning on Growth and Fruit Setting in Zizyphus jujuba var. inermis (Bunge) Rehder
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참고문헌
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초록
Background: This study were performed to determine the effect of root pruning of Zizyphus jujuba var. inermis (Bunge) Rehder. Root cutting inhibit vegetative growth and promote reproductive growth as temporarily reducing growth, net assimilation, water potential of leaf and cytokinin level. Methods and Results: The root pruning was treated of the root cutting widths 50, and 80 ㎝ and the root cutting depths 10, and 20 ㎝. The amount of root pruning and the number of suckers were the highest in the root-pruning treatment at a width of 50 ㎝ and a depth of 20 ㎝. The blooming time was from June 18 to 20, and no difference was observed in the blooming time among the rootpruning treatments. The number of flowers was rather higher in the root-pruning treatment at a width of 50 ㎝ and a depth of 20 ㎝ and at a width of 80 ㎝ and a depth of 20 ㎝. The percentage of fruit setting was higher in the plants whose roots were pruned at a depth of 20 ㎝ than in the untreated plants. The fruit size, fruit weight, and sugar content showed no difference among the root-pruning treatments. Conclusions: The results showed that percentage of fruit setting increased with root pruning, while no difference was observed in the growth and fruit quality of plants.
Abstract
Background: This study were performed to determine the effect of root pruning of Zizyphus jujuba var. inermis (Bunge) Rehder. Root cutting inhibit vegetative growth and promote reproductive growth as temporarily reducing growth, net assimilation, water potential of leaf and cytokinin level. Methods and Results: The root pruning was treated of the root cutting widths 50, and 80 ㎝ and the root cutting depths 10, and 20 ㎝. The amount of root pruning and the number of suckers were the highest in the root-pruning treatment at a width of 50 ㎝ and a depth of 20 ㎝. The blooming time was from June 18 to 20, and no difference was observed in the blooming time among the rootpruning treatments. The number of flowers was rather higher in the root-pruning treatment at a width of 50 ㎝ and a depth of 20 ㎝ and at a width of 80 ㎝ and a depth of 20 ㎝. The percentage of fruit setting was higher in the plants whose roots were pruned at a depth of 20 ㎝ than in the untreated plants. The fruit size, fruit weight, and sugar content showed no difference among the root-pruning treatments. Conclusions: The results showed that percentage of fruit setting increased with root pruning, while no difference was observed in the growth and fruit quality of plants.
참고문헌 (25)
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