Claim · model-written summary
A cultivar’s fruit development period can vary by as much as 30 days across years.
Verbatim
e0“The fruit development period of a cultivar can vary among years by as much as 30 days”
Title
Dealing with Increased Variability of Spring Temperatures in Temperate Deciduous Orchard Crops
Ted M. DeJong Procedia Environmental Sciences 2015. doi:10.1016/j.proenv.2015.07.170
Other claims from this paper (7)
- Association Fruit development periods in the listed fruit tree species are inversely related to heat accumulated in the first month after bloom.
- Mechanism Excessively warm springs can reduce fruit size or tree yield when growth cannot keep pace with development.
- Observation Recent California peach bloom periods have included three years above 8000 GDH and one above 9000 GDH, versus historic means around 6000 GDH.
- Observation These high heat accumulations caused early harvest and fruit size problems in peach.
- Method / resource A harvest prediction model was developed to help growers manage variable weather.
- Intervention effect Prolonged bloom temperatures above 27o C negatively affected prune fruit set.
- Intervention effect Prolonged bloom temperatures above 27o C negatively affected sweet cherry fruit set.