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Camu camu is a fruit native to the Amazon, that stands out for high content of vitamin C (3,133mg / 100 g of pulp). Is in process of domestication and therefore it is investigating a method of vegetative propagation to enable progress in the process of genetic improvement. The objective of this work was to determine the influence of genotype and grafting technique on the success and graft quality in camu camu plants. The trial was conducted using an experimental Randomized Complete Block design (RCB) with factorial scheme 9Ax3B, three blocks and 10 grafted plants per experimental unit. The factor A represented 9 clones of camu camu and factor B, three grafting techniques: Chip budding, b) Splice graft and c) Cleft graft. The experiment was conducted for 110 days to determine the sprouting time (beginning of the expansion of the first pair of leaves), the survival rate, sprout length and number of leaves. Significant interactions between the factors for the variables survival rate, sprout length and number of leaves were observed. The results show that the survival rate was influenced by the intrinsic effects of clone’s genotypic variability, presenting a high degree of dispersion, which was between 96.66% and 26.67%. With respect to grafting technique, the chip budding had higher response of survival rate, sprout length and number of leaves. Based on these results it is possible to conclude that the effect of genotypic variability and grafting method have influenced significantly on quantity and quality of camu camu grafting. The higher values of survival rate and vegetative vigour obtained allow recommending the use of chip budding technique for vegetative propagation of camu camu genotypes evaluated in this study.

Genotype and Grafting Techniques Effects on Survival and Growth of Camu Camu Plants