Electrical Coupling, Resistance at Somatic Hybrid Plantlets

Grafting is important means for getting good yields in plants because it does not implicate soma clone variation in products. The augmentation of graft compatibility contributes significantly in horticulture, floriculture and forestry production. The graft compatibility and its augmentation depend upon various natural factors like environment, weather, soil conditions and protective measures etc. The present study examines the role of external electric field on augmentation of graft compatibility. For this purpose, the external forward and reverse DC electric currents of 5, 10, 20 and 30 microampere were passed across the scion and stock in more than two hundred specimens of the Rosa indica graft for 24 hours after grafting and their percentage growths were recorded. It was found that the graft compatibility was augmented by applying D.C. current directed from stock of scion of graft union up to 20 ma. The electric control of graft compatibility, its dependency on direction of the current and its pattern of variation have been envisaged in the findings.