Home and Building, Volume 18 Number 1 (June 1955)
Bud dropping occurs as follows: General: Some varieties have a tendency to drop their buds or have such a tendency in certain localities due to petal formation in flowers or to the fact that they bloom so late the new growth forces the buds to fall. Bud heading: The buds begin to open, moist rot sets in, and they fall. Natural: When a plant sets too many buds, nature sometimes steps in and thins them. Mass dropping: In a variety that usually does not drop its buds, there will sometimes occur a mass dropping.
It seems to be the consensus of present opinion that the forces of bud dropping, except in those varieties that are bud droppers by nature, are: (1) Faulty culture, such as improper watering, improper planting or soil, insufficient drainage or failure to use a balanced fertiliser either properly or at all; (2) A prolongedpage 78