Sweet orange germination and growth aided by water and gibberellin seed soak
R. M. Burns
C. W. Coggins, University of California
California Agriculture 23(12):18-19. DOI: 10.3733/ca.v023n12p18.
The soaking of sweet orange seeds in water or various concentrations of gibberellic acid for 24 hours prior to planting increased their rate of germination under cool conditions. Larger and more uniform seedlings also followed some of the gibberellic acid seed soak treatments in these tests.
R. M. Burns is Farm Advisor, Ventura County; C. W. Coggins, Jr. is Associate Plant Physiologist and Lecturer, Department of Horticultural Science, Citrus Research Center, University of California at Riverside.
W. H. Brokaw, avocado and citrus nurseryman, Ventura, furnished the seed and grew the seedlings. The gibberellic acid was furnished by the Amdal Company, Agricultural Division of Abbott Laboratories, North Chicago, Illinois.