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자료유형
학술저널
저자정보
저널정보
한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY Vol.50 No.2
발행연도
2009.4
수록면
84 - 93 (10page)

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Vegetative and reproductive responses of mature peach (Prunus persica) trees cultivars ‘J.H. Hale’ and ‘Red Skin’ on ‘Montclar’ peach seedling rootstock to soil applied paclobutrazol (PBZ) were examined under Moghan, Iran environmental conditions. PBZ was soil drenched at 0 (control), 0.5 (L-PBZ), and 1.5 gㆍtree?¹ a.i. (H-PBZ) with six replications. PBZ significantly reduced vegetative growth during the experiment. Total pruning dry weight, shoot growth, and trunk cross sectional area of PBZ-treated trees were reduced compared to those of controls, with H-PBZ being more effective than L-PBZ. PBZ treatments advanced flowering and time of fruit harvest on ‘J.H. Hale’ and ‘Red Skin’ by 2-4 and 2-7 days, respectively, in the following season. PBZ treatments increased flower and fruit densities, fruit set, crop density, yield and yield efficiency in both cultivars in the following season. Similarly, the total number of fruits in the second season was increased in both cultivars by PBZ treatments. However, fruit size was smaller in the PBZ treatments than control. The effects of PBZ treatments and cultivars on total soluble solids, total fruit sugars, and fruit acidity were not significant. Leaf N and P was not influenced by any PBZ treatments, but Ca and K concentrations were increased by H-PBZ. In conclusion, H-PBZ was the most effective in reducing vegetative growth and promoting reproductive growth.

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Abstract
Introduction
Materials and Methods
Results
Discussion
Conclusion
Acknowledgement
Literature Cited

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