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Revista mexicana de ciencias agrícolas

versão impressa ISSN 2007-0934


OSUNA-AVILA, Pedro et al. Grafting in Cayenne, jalapeño and chilaca chili peppers in northwestern Chihuahua, Mexico. Rev. Mex. Cienc. Agríc [online]. 2012, vol.3, n.4, pp.739-750. ISSN 2007-0934.

In seeds harvested by farmers, the influence on the timing of the diameters of stems was studied in common and reciprocal grafts using chilies, jalapeño, chilaca and Cayenne as grafts and, landrace Morelos CM-334 as the rootstock. CM 334's stem diameter showed high compatibility with jalapeño and chilaca, and was very distant with Cayenne. Abundant callus formation between the unions of the tested grafts showed good aptitude and affinity which allowed the firm connection of the vascular cambium. The rates of graft survival were of 90% with chilies, which is within the acceptable range for commercially purposes. Using CM 334 as a rootstock resistant to P. capsici could be part of an integrated control for wilt in these types of commercial chilies. The reciprocal graft can be used to study genes associated with regulatory processes of signais able to move from the roots to the sprout, such as branching, flowering, systemic resistance and abiotic stress responses.

Palavras-chave : Capsicum annuum Leo; commercial chili peppers; reciprocal graft; common graft; rootstock.

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