Articles
CHEMICAL BLOSSOM THINNING AGENTS REDUCE CROP LOAD OF ´RISING STAR´ PEACH IN NEW YORK
Article number
727_51
Pages
423 – 428
Language
English
Abstract
Two relatively new peach blossom thinning agents, Tergitol (TMN-6) and Entry, were evaluated along with Wilthin®, ammonium thiosulfate (ATS), soybean oil, and lime sulfur for chemical thinning efficacy in 2004 and 2005 in Appleton, NY. The studies were conducted in the field on five-year-old Rising Star peach trees in on Lovell rootstock in 2004 and on six-year-old Redhaven peach trees on Bailey rootstock in 2005. In both years, 5% ATS was the most effective thinner followed by Wilthin®, lime sulfur (4%), Entry® (3%) and Tergitol® (1.5%). ATS at 5% caused excessive thinning and reduced crop value while 3.5% ATS gave less thinning, and had the highest crop value.
Authors
J.L. Osborne, T.L. Robinson, R. Parra-Quezada
Keywords
Prunus persica, ammonium thiosulfate (ATS), Tergitol TMN-6, Entry, soybean oil, lime sulfur, Wilthin
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