匍匐石榴双层双扇形整形修剪试验

由于匍匐石榴具有空间利用率低、主枝过多和枝条密集的特点,影响通风透光,光合效率低下,产量不高(200～400 kg/667m2).对匍匐石榴进行了双层双扇形整形修剪试验,并调查花器官发育情况、花期、座果率、产量和品质.结果表明,该整形修剪技术能显著提高完全花比例,促使花期集中,提高座果率,从而有效提高了产量(最高1 008 kg/667m2),果实品质也有明显改善.

Experiment of Reshaping and Pruning by the Technique of Double-layer Twin Fans Shaping on Creeping Pomegranate

Creeping pomegranate has the characters of low space utilization ratio,excessive main branches growth and cluster twigs concentrating,etc.These characters affect its ventilation and photopermeability and its yield(200～400 kg/667m2)is redused.Experiment of double layer twin fans shaping and reshaping and pruning of creeping pomegranate was carried out,and investigation was conducted on development of floral organs,blooming period,fruit set percentage,yield and fruit quality.The result shows that this reshaping and pruning technique can increase ratio of complete flower,centralize the period of bloom,enhance the fruit set percentage.These improvements lead to a high yield(1 008 kg/667m2 maximum),and significant improvement of fruit quality.