Horticulture Commons^™

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.

Modern Methods Boost Apple Production In A South-West Orchard, N H. Shorter

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

A WELL-KNOWN South-West apple orchard with an impressive cropping record is owned by W. F. & E. M. Dilley and Sons, of Upper Capel, near Donnybrook.

Trees in this orchard have been producing consistently heavy crops for many years and, furthermore, yields have increased steadily over a 10-year period.

Cross Pollination In Apple Orchards, N H. Shorter

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

ONE of the main aims of the successful apple grower is to reduce seasonal variations in cropping.

With this in view it has become apparent that provision for adequate cross pollination can be important in certain seasons, especially with Granny Smiths, if full advantage is to be taken of chemical thinning and other improved methods of orchard management.

Powdery Mildew Of Apples : Results Of Recent Spray Trials, R F. Doepel, S. E. Hardisty

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

Powdery mildew of apples is found in orchard districts throughout the South-West.

recent years a rapid build-up of the disease has occurred in some plantings as a result of changes in orchard practice.

Satisfactory control can be achieved by pruning out infected shoots and spraying with Karathane or Morocide

Wood-Rotting Fungi Associated With Dieback In Apple Trees : Progress Report : Orchard Surveys And Laboratory Studies, R F. Doepel

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

DIEBACK, or decline, of apple trees has been a serious problem for many years in orchards throughout the South-West of Western Australia.

Wood-rotting fungi are commonly associated with this condition and often bring about collapse of affected trees.

Latest Recommendations For Chemical Thinning : An Aid To Apple Crop Regulation, S E. Hardisty, N. H. Shorter

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

FIELD trials and experience have shown that chemical thinning is a valuable aid to crop regulation in apple trees.

Research Report : Chemical Thinning Of Apples, J E L Cripps, N. J. Halse

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

MANY progressive fruit growers have adopted spray thinning of apples, and have found that it pays well.

More widespread adoption to reduce costs of production in the face of returns which show no tendency to rise, would benefit the apple industry.

For this reason improved recommendations have been formulated, based on local research.

Carton Packs For Granny Smiths, J S. Bloomfield

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

CONSIDERABLE quantities of Granny Smiths will be exported in carton containers in the 1961 season.

Last season an inaugural trial of tray pack cartons was shipped to the United Kingdom but this year will see the first use of cell pack cartons.

The Granny Smith, Frank Melville

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

MOST of the commercial apples grown throughout the world today have originated as chance seedlings and commercialised by observant nurserymen or fruit growers.

Many Tasmanian varieties were established this way—the Sturma, Democrat and Crofton.

But the seedling which has had the greatest impact on apple growing in Australia is the Granny Smith and its rise to fame is an interesting story.

Chemical Thinning Of Apples, S E. Hardisty, N. H. Shorter

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

TWO important related problems of apple-growing in this State are biennial bearing and poor fruit size.

Early thinning by chemical means, is providing a valuable and practical means of tackling these problems.

With every prospect of heavy crops in most districts this year, many growers will be interested in the possibility of spray thinning.

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.

Root Development Of Young Delicious Apple Trees As Affected By Soils And By Cultural Treatments, W. W. Yocum

Nebraska Agricultural Experiment Station: Historical Research Bulletins

The major problem of this investigation was to determine the effects of different cultural treatments and soil conditions upon the depth and lateral spread of the root systems of young Delicious apple trees during the first three years in the orchard. This study was conducted during the years 1932 to 1934 inclusive.

Spraying Experiments In Nebraska, J. Ralph Cooper

Nebraska Agricultural Experiment Station: Historical Research Bulletins

The more important questions which were considered during the three years covered by the present report were as follows: 1. How many summer sprays are required and when should they be applied? 2. What is the difference in efficiency between various brands of arsenate of lead? 3. What are the relative values of lime sulphur and Bordeaux as fungicides for spraying apples? 4. Is it possible to lessen or prevent Bordeaux injury and at the same time control fungous diseases? 5. Is it possible to interchange Bordeaux and lime sulphur in a spray schedule in such a manner as to …