Impact of rootstock on callus formation in walnut grafted in room conditions
2008
Mitrovic, M., Institut za vocarstvo, Cacak (Serbia) | Miletic, R., Institut za vocarstvo, Cacak (Serbia) | Lukic, M., Institut za vocarstvo, Cacak (Serbia) | Blagojevic, M., Institut za vocarstvo, Cacak (Serbia) | Rakicevic, M., Institut za vocarstvo, Cacak (Serbia)
The research studied the impact that the rootstock obtained from seedlings of the domestic walnut (Juglans regia) and black walnut (Juglans nigra) had on the forming of callus in grafted plants that were grafted in room conditions. During the two-year study, one-year old rootstocks of Juglans regia that were grafted and stratified, produced an average of 60.2% grafted plants with excellent calluses, 23.6% grafted plants with very good calluses, 11.5% of good ones, and there were 4.7% grafted plants that did not form callus. The same treatment based on the rootstock of Juglans nigra produced 67.1% of grafted plants with excellent calluses, 18.7% of very good ones, and 10.1% of good ones; there were 4.1% of the grafted plants that did not produce callus. The black walnut gave an overall higher percentage of grafted plants that produced callus (96.3%) than the domestic walnut (95.3%).
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