基于美国山核桃不同枝条粗度的修剪技术研究

Study on Pruning Technique of Different Rough Branches of Carya illinoensis

摘要:

为提高美国山核桃采穗圃穗条产量和质量，针对不同粗度枝条开展了修剪技术研究。结果表明：枝条粗度为10～15 mm，以留存2个芽为宜，成枝数为0.78根，新枝最大粗度为12.44 mm；新枝粗度为15～20 mm，以留存8个芽为宜，成枝数达4.22根，新枝粗度为13.35～14.51 mm；枝条粗度为20～30 mm，以留存6～8个芽为宜，成枝数达5.33～5.89根，新枝粗度为17.82～20.24 mm。

Abstract:

In order to improve the quantity and quality of branches on cutting orchard, pruning technique of different rough branches was researched.The results showed：it was two buds better to 10～15 mm rough branches, the quantities of the grown branch were 0.78, the biggest rough of new branches was 12.44 mm.It was eight buds better to 15～20 mm rough branches, the quantities of the grown branch were 4.22, the rough was 13.35～14.51 mm.It was 6～8 buds better to 20～30 mm rough branches, the quantities of the grown branch were 5.33～5.89,the rough was 17.82～20.24 mm.