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《Journal of Anhui Agricultural Sciences》 2009-18
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Effects of P-Chlorophenoxyacetic Acid(PCPA)Treatment on Bearing Character and Fruit Quality of Pumpkin

DONG Xiao-jie et al(College of Resources and Environment Science,Agricultural University of Hebei,Baoding,Hebei 071000)  
[Objective] The paper studied the effect of PCPA treatment on bearing character and fruit quality of pumpkins which provided references for income increasing and producing high efficiently in northwest dams of Hebei.[Method] With normal pumpkin(artificial pollination) as CK,the study aimed to research the changes of bearing character and fruit quality with artificial pollination and unpollinated female flower style treated by different concentrations PCPA.[Result] Unpollinated female flower style of pumpkin treated by PCPA of 138 mg/kg concentrations which can increase the per fruit weight effectively;pumpkin treated by PCPA of 79 mg/kg concentrations can significant improve grain distribution ratio and enhance the net flesh rate and flesh thickness;Unpollinated female flower style of pumpkin treated by PCPA of 50 mg/kg concentrations can improve the vitamin C and β-carotene content and promote the fruit quality well.[Conclusion] Lower concentrations of PCPA played a decisive role for improving bearing character and fruit quality of pumpkin.
【Fund】: 国家“十一五”科技支撑计划项目(2006BAD15B05);; 河北省科学技术研究与发展计划项目(06220901D)
【CateGory Index】: S642.1
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