Modified softwood grafting method: A novel approach for enhancing graft success in Sapota
Abstract
The study is aimed to identify the best practices for improving the success rate of softwood grafting in sapota varieties under different environmental conditions and precuring treatments. The experiment conducted at the College of Agriculture, Padannakkad included 27 treatment combinations, replicated twice. The experiment considered three environmental conditions (open field - C1 , polyhouse - C2 ‚ and polytunnel conditions followed by shaded environment - C3 ), three cultivars (Cricket Ball - V1, Pala - V2‚ and Oval - V3), and three scion precuring treatments (defoliation 10 days prior to grafting - S1 , defoliation and grafting on the same day - S2 , and grafting without defoliation - S3). The findings revealed that grafting the Cricket Ball variety without defoliation under polytunnel conditions (C3 V1 S3) resulted in the highest grafting success. Among the varieties, Cricket Ball performed the best, while polytunnel conditions (C3) produced superior growth compared to open-field and polyhouse environments. Additionally, defoliation 10 days before grafting (S1 ) achieved the highest graft success rate among the scion precuring treatments.
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