LESS VIGOR = LESS BITTER PIT

摘要

ATRIAL INVOLVING 'Honeycrisp' trees that were fruited for the first time in 2020 supports the premise that rootstock choice strongly affects bitter pit incidence in the popular but disorder-sensitive cultivar.Lee Kalcsits, Associate Professor of Tree Fruit Physiology, Washington State University, concluded as much from a 2017 planting of 'Royal Red Honeycrisp' trees that were grafted onto one of 10 different rootstocks. The most successful of those rootstocks last summer were Bud-9 and G.969, both of which boast low rates of shoot growth, i.e., vigor.