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 Caryaillinoensis

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10~15mm,以留存2个芽为宜,成枝数为0.78根,新枝最大粗度为12.44mm;新枝粗度为15~20mm,以留存8个芽为宜,成枝数达4.22根,新枝粗度为13.35~14.51mm;枝条粗度为20~30mm,以留存6~8个芽为宜,成枝数达5.33~5.89根,新枝粗度为17.82~20.24mm。

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.