Effects of some plant growth promoting rhizobacteria (PGPR) on rooting of grapevine rootstocks
2003
Kose, C. | Guleryuz, M. | Sahin, F.,University of Ataturk, Erzurum (Turkey). Faculty of Agriculture | Demirtas, I.,Egridir Horticulture Research Institute, Isparta (Turkey)
In this study, effects of topical applications of two plant growth promoting rhizobacteria (PGPR) strains and their combination (Bacillus BA16, OSU142 and BA16+0SU142) on the rooting of 41B and Rupestris du Lot rootstocks were investigated. The results showed that none of the bacterial strains have significant effects on success rate at 41B and Rupestris du Lot alone, but BA16+0SU142 combination significantly increased the rooting rate and rooting degree of 41B, and decreased the rooting rate and rooting degree of Rupestris du Lot compared with control. In addition, none of the applications had significant effects in number, length and weight of roots on cuttings of both 41B and Rupestris du Lot. Our results suggest that PGPR may have a great potential to stimulate the rooting of hardwood cuttings of grapevine rootstocks, with low rooting capability
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