Apples, Bitter pit
BITTER PIT is a serious threat to Western Australia's apple export markets and effective control is essential.
The following programme of calcium nitrate sprays, starting in mid-December, will prevent development of the disorder.
Department of Agriculture, Western Australia
"Control of bitter pit on Granny Smith apples,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 11
, Article 11.
Available at: https://researchlibrary.agric.wa.gov.au/journal_agriculture4/vol11/iss11/11