The experimental design was a randomized block, in a 2 × 5 factorial, being evaluated the 2 mentioned rootstocks and 5 canopies cultivars.The evaluated canopies cultivars were the acid lime 'Tahiti' and the sweet oranges 'Natal', 'Bahia', 'Lima Sorocaba' and 'Pera'. Biometric evaluations were made to estimate the vegetative vigor index (VVI), the canopy volume and coverage rates in the lines and rows of cultivation, reached 36 months after planting. Under the conditions of this experiment, it was found that the rootstock 'Flying dragon' reduced height, VVI, the coverage rates in the lines and rows, and the canopy volume of plants grafted on it, when it was compared to 'Rangpur' lime, but the reduction capacity was dependent of the canopy cultivar.
-Mini-grafting is a type of grafting that has been indicated to increase efficiency of forest and fruit species propagation. the aim of this study was to evaluate the mini-grafting technique as a method for propagation of guava grafted on intra or interspecific rootstock. The experimental design was randomized blocks, with four treatments, five replications and plots consisting of ten plants, in a 2 2 factorial arrangement, and factors consisted of rootstocks and canopy cultivars. Rootstocks used were Psidium guajava and Psidium guineense. the canopy used was Paluma and Cortibel 1 cultivars. Only the canopy used had an effect on the percentage of grafting success of 52, 54, 82 and 84%, respectively, for 'Cortibel 1'/P. guineense; 'Cortibel 1'/P. guajava; 'Paluma'/P. guineense; 'Paluma'/P. guajava combinations. Mini-grafting was effective for guava propagation on intra or interspecific rootstocks. The average production time for 'Paluma' and 'Cortibel 1' saplings grafted on P. guajava or P. guineense, for mini-grafting, was 351 days, so that 'Paluma' seedlings were more vigorous than those of 'Cortibel 1'.
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