The main objective of this study was to estimate the efectivity of chemical and hand thinning. In the first naftalenacetic Acid (ANA) at 5, 10 and 15 ppm; 400, 800 and 1200 ppm Sevin and Bionex (adherent) 1 ml/l of water were realized 20 days after of full flowering from 18 April 1995 forward. The hand thinning was carried out one month later leaving one fruit per shoot. This work was conducted in Arteaga, Coahuila at 2200 masl. Fifteen years old apple trees variety Golden delicious with unif...
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