PERSPECTIVAS PARA CULTIVAR PISTACHERO (Pistacia vera L.) BAJO LAS CONDICIONES DE LA COMARCA LAGUNERA; UN ÁREA CON DEFICIENCIAS DE FRÍO
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Universidad Autónoma Chapingo
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This experiment was carried out with the objective of evaluating the effects of hydrogen cyanamide on budbreak of pistachio (Pistacia vera L.) grown in a region with insufficient chill hours (d”7.2oC). Dormant buds on branches of 1 to 5 years old were treated on February 20th, 2005 and 2006 with 0, 25.5 or 51.0 g.L-1 of H2CN2 [hereafter referred to as 0 %, 2.5 % or 5.0 % (v/v) H2 CN2 ]. Hydrogen cyanamide advanced and increased vegetative budbreak in branches of 1 to 5 years old. The highest budbreak was observed when H2 CN2 at 5.0 % was applied without causing phytotoxicity. Hydrogen cyanamide applied at 5.0 % approximately 30 days before expected budbreak may increase budbreak and substitute for chilling when pistachio is grown in low quality winters.
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