Life Sciences Commons^™

Bitter Pit Control Could Save Export Granny Smiths, S E. Hardisty

Journal of the Department of Agriculture, Western Australia, Series 4

Western Australian exports of Granny Smith apples are threatened by the incidence of bitter pit. Fortunately treatments which can control this storage disorder, have become available.

Pit And Scald Of Granny Smiths, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

Trials investigating storage and shipping disorders of fruit, mainly apples and pears, are conducted annually in cool rooms made available to the Department by the W.A. Meat Export Works.

Control Of Bitter Pit On Granny Smith Apples, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

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.

Don't Neglect Bitter Pit Sprays, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

BITTER pit is a serious fault in export apples and each year considerable quantities of f r u i t are rejected for export on this account.

Now that control measures are available, it is most important that they be applied.

The Control Of Bitter Pit In Apples, Frank Melville, S. E. Hardisty, N. S. Shorter

Journal of the Department of Agriculture, Western Australia, Series 4

Bitter pit is a physiological disorder of apples which causes considerable wastage of otherwise sound fruit .

It is a problem of world-wide occurrence and in Western Australia growing conditions appear particularly favourable for its development.

In recent years a practical means of control by calcium sprays has been developed.

Guard Against Bitter Pit, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

Two seasons ago bitter pit' caused heavy rejections of apples for export overseas and bad trade publicity.

To avoid a repetition of this, precautions should be taken against bitter pit on all susceptible varieties.

Bitter Pit : A Progress Report On The Use Of Calcium Nitrate Sprays For Its Control, Frank Melville, S. E. Hardisty

Journal of the Department of Agriculture, Western Australia, Series 4

FREEDOM from serious pests and diseases such as Black Spot and Codling Moth and relative immunity from storage rots has greatly simplified apple growing in Western Australia.

However, what has been gained in this respect is often countered by pre-harvest and post-harvest physiological troubles which are rather common to apple growing in this State.