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Starch balance in perennial organs of Carya illinoinensis Koch in a production cycle

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posted on 27.08.2021, 12:36 by Edwin Amir Briceño Contreras, Alejandro Moreno Reséndez, Luis Manuel Valenzuela Núñez, Cristina García De la Peña, Rafael Rodríguez-Martínez, Juan Ramón Esparza Rivera

Abstract Pecan tree (Carya illinoinensis Koch) is a native specie in Northern Mexico and the Southeastern United States, both countries dominate the production of walnuts to worldwide. The objective was to determine starch balance in root and trunk monthly in two varieties (Western and Wichita), during a production cycle. Sampling was systematic. Results in root and stem showed differences in starch concentrations between varieties, Wichita presented higher concentrations than Western. Wichita variety, in both organs, showed better accumulation conditions of starch. In response to higher starch accumulation in this variety its due to biotic and abiotic requirements to develop up are less demanding than other varieties.

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