Effect of CPPU Treatments on Fruit Growth of "Summer Black" Grape
Effects of different concentrations (0, 2, 5, 10 mg/L) of forchlorfenuron (CPPU) supplemented with 50 mg/L GA3 at different stages on fruit growth and quality of "Summer Black" grapes were investigated in peak florescence and 2 weeks after blossoming. The results showed that the best treatments was 50 mg/L GA3 + 10 mg/L CPPU applied in peak florescence and 50 mg/L GA3+ 2 mg/L CPPU applied 2 weeks after blossoming, by which the weight of single berry was increased by 141. 78% than that of control. Effect on promoting fruit growth turned weak when the total concentration of CPPU reached 15 mg/L. CPPU could effectively extend the rapid growth stage of grape. All of treatments decreased total soluble solids content and increased titratable acid content.
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NSTL
万方数据
维普
