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‘신고’ 품종의 꽃눈 고사 증상 발생 나무의 신초 생육 특성과 무기 성분 함량
김점국(Jeam Kuk Kim),김승희(Seung Heui Kim),임열재(Youl Jae Yim),서형호(Hyeong Ho Seo) 한국원예학회 2004 원예과학기술지 Vol.22 No.4
The causal factors for flower bud necrosis, the newly reported physiological disorder in ‘Niitaka’ pear (Pyrus pyrifolia), were examined for four years from 2000 to 2003. Affected flower buds could not bloom and finally died, leaving loose and desiccated bud scales that eventually disintegrated. Flower bud necrosis were frequently observed in orchards were supplied excessive nitrogen and heavy pruning, and at low altitude in the slopping orchard. Affected trees were showed strong vegetable growth in late season with higher nitrogen content in leaves, current shoot bark and wood.
김점국(Jeam-Kuk Kim),서형호(Hyeong-Ho Seo) 한국원예학회 2007 원예과학기술지 Vol.25 No.4
This study was conducted to investigate the causes of tree vigor weakening and occurrence of deformed fruit in problem of cultivation in ‘Hongro’ apple trees (Malus domestica). ‘Hongro’ apple, compared to ‘Tsugaru’ apple, had more flower buds including axillary flower buds. Therefore, the vigor weakening in ‘Hongro’ apple trees was due to extremely a lot of flowers and could be prevented with blossom thinning and N fertilizer by twice supply. Occurrence of deformed fruit was not different between terminal fruits and axillary fruits, but fruits set on lateral fruiting branch and weak vigor tree occurred a few deformed fruit.