Abstract:
In this study, thinning flowers effect, time and concentration of spraying, and influence on fruit growth and quality in Fuji apple were tested with MCPB-ethyl. It was proved that MCPB-ethyl is a qualified flower thinner of apple. In addition, the follow problem were known:Effective spraying time is at 1-5 days after king flower full bloom, optimum spraying time is at 1-3 days after king flower full bloom. Optimum concentration of spraying is 15 mol/L. It has no negative effect on fruit growth, fruit shape, fruit coloring and fruit quality.
Key words:
MCPB-ethyl,
Flowers thinning,
Fuji Apple
CLC Number:
CAO Qiu-fen, MENG Yu-ping, YOKOTA Kiyoshi, WANG Jin-ze. Study on Thinning Flowers with MCPB-ethyl in Fuji Apple[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2004, 19(2): 100-103. doi: 10.3321/j.issn:1000-7091.2004.02.025.