Effects of Calcium Cyanamide on Production and Quality of Peach

[Objective] The research aimed to study the influences of calcium cyanamide concentration on yield and quality of peach.[Method] With Lvhua9 as tested materials,the effects of calcium cyanamide concentration on vegetative growth,yield and quality of peach were studied.[Result] Using calcium cyanamide on peach obviously increased the number of root,the leaf area and the leaf thickness,and the chlorophyll content increased significantly,which improved the production and quality of peach.Using calcium cyanamide with 250 g per plant in the period of full fruits,compared with the control the number of root in depth 0-40 cm increased 41.94%,the leaf thickness increased 25.63%,the chlorophyll content raised 25.33%,the single fruit weight improved 20.5%,yield per plant increased 21.6%,the rigidity increased 12.5% and the soluble solids increased 13.2%.[Conclusion] The optimum application of calcium cyanamide on peach in the period of full fruits was 250 g per plant.