WebMar 1, 2011 · ‘Summerred’ apples (Malus domestica Borkh.) are highly susceptible to biennial bearing if not properly thinned. This results in erratic yields and also affects fruit quality adversely. Between 2003 and 2005, ‘Summered’/‘M9’ trees were treated with ethephon at concentrations of 250, 375, and 500 mg·L−1 when most king flowers opened … WebOct 21, 2015 · “With the cluster thinning we’ve been doing, it’s taken away the risk of overthinning or underthinning,” he said, estimating the cost of hand cluster and fruit …
Ethephon as a Blossom and Fruitlet Thinner Affects Crop Load ... - hortsci
WebApr 27, 2016 · Apple experts recommend thinning fruit to 1 or 2 per cluster of fruit. Use the iron fist of pruning, as we say, and get the job done. 4 apples are cramped for space. We need to reduce this by at least 2. Use shears … WebApr 16, 2024 · Carbohydrate Model. Two important cropload models are now available in new versions: the Carbohydrate Model and the Predicting Fruitset Model. Terence Robinson of Cornell University has completed an analysis of 17 years of thinning trials done in New York orchards. The varieties included in the study were Red Delicious, Gala and McIntosh. helpqt apple
Cold Damage and Chemical Thinning NC State Extension
WebJun 25, 2015 · Pears: They need less thinning than apples, though you’ll still get a better-quality crop if you take the scissors to them. Thin the fruits to leave two per cluster at 10-15cm (4-6in) apart. If the tree looks like it’s on course for a very heavy crop, be a little more selective, thinning to one fruit per cluster. WebJun 25, 2015 · Pears: They need less thinning than apples, though you’ll still get a better-quality crop if you take the scissors to them. Thin the fruits to leave two per cluster at 10 … WebApples, pears, and Asian pears almost always need heavy thinning. Apple varieties that bear heavily year after year can be thinned at the bloom stage. The king bloom, in the center of the blossom cluster, is the first to open and produces the biggest fruit. Remove all the other flower buds on that spur, then after fruit has set, check back and ... landboost icade