were stored for 3 months in regular atmosphere storage at 1 °C and were evaluated for bitter pit incidence after storage. The other eight fruit were immediately analyzed for overall color, background color, starch, soluble solid concentration (SSC
’, mainly being prone to superficial scald. However, without preharvest calcium sprays, Smaragd’ is less susceptible to bitter pit than ‘Granny Smith’. Principal component analysis provided differentiation between ‘McIntosh Wijcik’, ‘Granny Smith’, and
‘WA 2’ have shown only moderate susceptibility to powdery mildew ( Podosphaera leucotricha ) and fire blight ( Erwinia amylovora ). Fruit rarely exhibits russet, bitter pit, or sunburn in the apple growing regions of central Washington. Genotype
) in Wenatchee, resistance or susceptibility has not been determined. Fruit rarely exhibits bitter pit or stem bowl cracking but has moderate susceptibility to sunburn in the apple-growing regions of central Washington. Fruit is not sensitive to
, 1973 , 1975 ), “bitter pit” ( Eijsinga et al., 1973 ), and “pepper spot” ( Stolk and Maaswinkel, 1977 ) are different names that have been used in the literature to describe what is likely the same physiological disorder of peppers. This disorder
research on fruit cracking of pomegranate ( Bakeer, 2016 ), sunburn of apple ( Lötze et al., 2018 ), top rot in persimmon ( Tang et al., 2013 ), jujube fruit-shrink disease ( Zhang et al., 2019 ), and apple bitter pit ( Wallace and Jones, 2015 ). They found
bear regularly ( Jonkers, 1979 ). Fruit from light-cropping trees can develop a higher incidence of the calcium-related storage disorder bitter pit ( Ferguson and Watkins, 1992 ). A successful chemical thinning program will normally result in adequate
, then stored at –80 °C. Four samples, in biological triplicate (a total of 12 observations—where each replicate was a pool of tissues from 10 fruits) represent peel and cortical tissues each from fruit with and without bitter pit lesions. RNA was
, orchard factors and storage disorders J. Sci. Food Agr. 26 1807 1817 Prange, R. DeLong, J. Nichols, D. Harrison, P. 2011 Effect of fruit maturity on the incidence of bitter pit, senescent breakdown, and other post-harvest disorders in ‘Honeycrisp’™ apple J
fruit trees. Wiley, New York, NY Ferguson, I.B. Watkins, C.B. 1992 Crop load affects mineral concentrations and incidence of bitter pit in ‘Cox’s Orange Pippin’ apple fruit J. Amer. Soc. Hort. Sci. 117 373 376 Hansen, P. 1973 The effect of cropping on