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Articles 3541 - 3570 of 3856

Full-Text Articles in Life Sciences

Spraying Guide For The Control Of Pests And Diseases Of Fruit Trees, Department Of Agriculture, Western Australia Jan 1960

Spraying Guide For The Control Of Pests And Diseases Of Fruit Trees, Department Of Agriculture, Western Australia

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

THE following guide for the spraying of fruit trees has been prepared as a ready reference for fruit growers and as a seasonal reminder of control measures necessary to deal with orchard pests and diseases.

The charts have been kept as brief as possible consistent with supplying details of recommended materials, concentrations and time of application, and growers should comsult Departmental leaflets or Departmental officers for more detailed information.


Weed Research. 8. Weed Control In The Vineyard, Geoffrey A. Pearce, W. R. Jamieson Jan 1960

Weed Research. 8. Weed Control In The Vineyard, Geoffrey A. Pearce, W. R. Jamieson

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

WEED control in the vineyard has been achieved by cultivation for many centuries and it is only during recent years that attention has been given to the use of herbicides for this purpose.

Today there is little risk to the vine in using any one of the herbicides listed in this article, and in general the main considerations governing the use of chemicals for weed control are the cost of the operation and the effect which it is desired to achieve.


Brucellosis Can Cause Contagious Abortion In Cattle And Undulant Fever In Man, F C. Wilkinson Jan 1960

Brucellosis Can Cause Contagious Abortion In Cattle And Undulant Fever In Man, F C. Wilkinson

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

WHEN the cow, shown in the accompanying photograph, was purchased it had a small fluid-filled lump on the left knee.

The swelling did not appear to be painful but gradually increased in size until it assumed the proportions shown in the picture.

It was a typical case of "big-knee," one of the less common manifestations of Brucellosis—the disease commonly known as contagious abortion—and a blood test of the animal confirmed the diagnosis.


Diseases Of Goats, J Shilkin Jan 1960

Diseases Of Goats, J Shilkin

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

MANY of the diseases of goats are common to sheep and cattle, and, as in these species, correct feeding, hygiene and general care and management will assist in the avoidance of serious ailments.

In this article an attempt will be made to advise goat-owners on the diagnosis of the more common ailments, and suggestions as to treatment will be offered where possible.

It should be appreciated however that where veterinary assistance is obtainable it is preferable to first-aid treatment. A qualified veterinarian has access to newer and more efficient methods of treatment than are available to the layman.


The Half Dump For Easier And Better Fruit Packing, J S. Bloomfield Jan 1960

The Half Dump For Easier And Better Fruit Packing, J S. Bloomfield

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

ONE of the first cases used for the marketing of citrus fruit in Western Australia was the "flat bushel," which is similar in size to the "long bushel" used extensively for pears in Victoria.

In a bulletin on fruit packing and the marketing and exporting of fruit issued in 1915, the fiat box was illustrated and recommended as a suitable container for the local market.

This case was superseded by the "dump" case when the Harvey area came into production about the beginning of World War I.


Drought Feeding Of Sheep, Laurence C. Snook Jan 1960

Drought Feeding Of Sheep, Laurence C. Snook

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

WHEN this talk on drought feeding of sheep was suggested conditions were very serious over large tracts of pastoral country.

Many stations had not received a worthwhile rain for over 12 months and it appeared that grazing animals would have to be fed if they were to survive.

Requests have been received for advice on the cheapest way to keep sheep alive. Drought feeding in any form is a gamble. There is always the risk that the stock will eventually die despite the consumption of much costly feed.

It follows that if an effort is to be made to save …


Honey Flora Calendar For April, R S. Coleman Jan 1960

Honey Flora Calendar For April, R S. Coleman

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

A look at Flora available in April


Second West Australian Random Sample Egg Laying Tests : 1958-59, R H. Morris Jan 1960

Second West Australian Random Sample Egg Laying Tests : 1958-59, R H. Morris

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

4S part of the poultry improvement plan for Western Australia, the Department of Agriculture inaugurated a random sample laying test for commercial grade chickens at the Poultry Research Station, Herdsman Lake, in 1957.


Safflower : An Oil Crop For The Kimberleys, D F. Beech Jan 1960

Safflower : An Oil Crop For The Kimberleys, D F. Beech

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

EXPERIMENTS with irrigated safflower carried out at the Kimberley Research Station have shown that the crop is well adapted to the local conditions.

In recent years yields of 2,000 to 3,000 lb. per acre have been generally obtained. Oil content of the main variety under trial varied between 33 and 35 per cent.

Locally produced safflower oil could help to make the Australian paint industry largely independent of imports.

Safflower meal is a protein-rich concentrate and could have considerable impact on the Kimberley cattle industry.

Safflower is likely to play an important part in the early development of irrigation agriculture …


Simnel Cake, H M. Gloster Jan 1960

Simnel Cake, H M. Gloster

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

THIS is a traditional cake of English rural origin that is usually served on "Mothering Sunday" or Mid-Lent Sunday (the fourth Sunday in Lent).

Mothering Sunday is the day on which sons and daughters visit their parents and take them gifts. Quite often the gift takes the form of a Simnel cake.


There Is No Mystery About 1080, A R. Tomlinson Jan 1960

There Is No Mystery About 1080, A R. Tomlinson

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

DESPITE the widespread publicity given to sodium fluoroacetate or "1080" and its general use throughout agricultural areas, there appear to be many misconceptions regarding the poison itself, its control, dangers and precautions and also the method of application. I will mention several of the questions often asked and give the answers.


Famous Sheep Breeds. 3. The Leicester, J A. Mallett Jan 1960

Famous Sheep Breeds. 3. The Leicester, J A. Mallett

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

THE Leicester sheep, often referred to in Australia as the "English" Leicester to distinguish it from its relative, the Border Leicester, is the oldest of the improved British breeds.

Its development from the nondescript local sheep marked an advance in stockbreeding technique which did much to make Britain famous as the "stud-farm of the world."


Feeding Pickled Wheat To Pigs, Department Of Agriculture, Western Australia Jan 1960

Feeding Pickled Wheat To Pigs, Department Of Agriculture, Western Australia

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

INQUIRIES are frequently received from farmers asking whether it is safe to feed pickled wheat to pigs, and if so, the quantities which would be suggested.

Until very recently there was no experimental information on the safety or possible dangers of these wheat pickling agents, but feeding trials completed last year at the Animal Health and Nutrition Laboratory, Nedlands, have provided some of the answers to these questions.


Bluebush Seed Supplies, C V. Malcolm Jan 1960

Bluebush Seed Supplies, C V. Malcolm

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

A GREAT deal of publicity has been given of late to the value of bluebush (Kochia brevifolia) as a plant for some types of salt-affected land, particularly in the drier parts of the wheatbelt.

Obtaining seed supplies can be a problem, but fortunately large amounts of seed are not required since once a few bushes are established they will spread seed over the intervening areas.

Thus rates of 1 to 2 lb of seed per acre have been found quite satisfactory.


Fruit Fly, D G. Shedley Jan 1960

Fruit Fly, D G. Shedley

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

FRUIT fly control is compulsory! To obtain effective control of fruit fly it is necessary to combine strict orchard hygiene with bait spraying.

In addition, cover spraying with DIPTEREX will give extra protection to stone fruit and pears.

When the breeding powers of the fruit fly are considered it is easy to understand why home growers and orchardists need to fight a continual battle against this pest.


Better Rations For Broiler Production, P Smetana Jan 1960

Better Rations For Broiler Production, P Smetana

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

DURING 1959, trials were conducted at the Poultry Research Station, Herdsman Lake, with the object of developing a broiler-feeding ration that was better than the one at present recommended by the Department of Agriculture and commonly used by local broiler producers.


Black Spot Of Tomatoes, R F. Doepel Jan 1960

Black Spot Of Tomatoes, R F. Doepel

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

BLACK SPOT DISEASE IS THE MOST SERIOUS FOLIAGE BLIGHT OF TOMATOES IN THIS STATE. IN SEASONS FAVOURABLE TO ITS DEVELOPMENT SEVERE DEFOLIATION AND FRUIT ROTTING ARE EXPERIENCED.

IN Western Australia, black spot, which is also known as early blight and target spot, is a troublesome disease of long standing. It is caused by the fungus Alternaria solani which also attacks potatoes.


Free Feeding For The Control Of Rabbits, C Marshall Jan 1960

Free Feeding For The Control Of Rabbits, C Marshall

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

IN common with most other farm work, the control of rabbits calls for a high degree of skill, patience and perseverance.

There is no short cut to success, and if results are required we must be prepared to give of our best.

Failures of control works are experienced at various times, and the reasons can generally be traced back to something we have failed to do or some short cut we have tried to take.

However, we should not lose heart from one failure. During normal farming procedure, if a farmer's crop fails he does not give up planting in …


Vibriosis, F C. Wilkinson Jan 1960

Vibriosis, F C. Wilkinson

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

AN all-too-common problem on dairy farms is the failure of cows to conceive at times which will ensure their calves being born at the desired season—when the cows can take full advantage of the flush of green feed or, in the case of wholemilk producers, at a time when the milk is most needed to maintain their quotas.

There are of course many causes of sterility in cattle but in a survey carried out by veterinarians D. Roberts and M. Sier in 1957, it was shown that vibriosis was the main cause in 75 per cent of the herds investigated.


Brown Spot Of Passion Fruit, Department Of Agriculture, Western Australia Jan 1960

Brown Spot Of Passion Fruit, Department Of Agriculture, Western Australia

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

BROWN SPOT caused by the fungus Alternaria passiflorae, is found in plantings throughout Western Australia. Severe outbreaks of the disease have occurred in most districts, including Serpentine, Manjimup, Nannup and Denmark. Although isolated young plantings may remain healthy for two or three years the disease eventually becomes established in the vines.


A Survey Of The Incidence Of Lupinosis In Sheep In The Dandaragan District In 1959, H G. Neil, W. J. Toms, C. M. Ralph Jan 1960

A Survey Of The Incidence Of Lupinosis In Sheep In The Dandaragan District In 1959, H G. Neil, W. J. Toms, C. M. Ralph

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

FOLLOWING widespread losses of sheep grazing on dry lupins, a survey of flockowners' experience with the disease was made by the Department of Agriculture in one of the districts most affected.

The idea of a survey originated from discussions with the President, Mr. K. E. Jones, and several other members of the Dandaragan Pasture Improvement Group.

The information obtained from the survey has provided a valuable factual basis for the design of laboratory and field experiments.


Lamb Marking, I K. Stott Jan 1960

Lamb Marking, I K. Stott

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

LAMB marking is the most severe of the various ordeals which sheep are called upon to endure during their lifetimes—yet it is an operation, or rather a series of operations, to which the average fiockowner gives but little care and thought.


Registered Stock Foods : Supplementary List, Department Of Agriculture, Western Australia Jan 1960

Registered Stock Foods : Supplementary List, Department Of Agriculture, Western Australia

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

List of Registered Stock Feeds (Supplementry List


Insect Pests : Snails And Slugs, Clee Francis Howard Jenkins Jan 1960

Insect Pests : Snails And Slugs, Clee Francis Howard Jenkins

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

WHILE snails and slugs are not insects, they have been included in this series of articles, because the damage they cause is very similar to that caused by insect pests—and furthermore, the task of testing and recommending control measures is usually left to the entomologists.


Powdery Mildew Or Oidium Of Grapes, H L. Harvey Jan 1960

Powdery Mildew Or Oidium Of Grapes, H L. Harvey

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

POWDERY mildew or oidium, is a disease which is always present to a greater or lesser extent in grapevines in Western Australia.

In seasons favourable for its development it stunts the growth of shoots and leaves and may seriously reduce fruit yields and quality.

Most of our commonly-grown varieties are quite susceptible to the disease, but for the reason that currants are the most extensively grown variety, the overall losses are greatest in this variety.


Tobacco Production In Western Australia, A E. Baker Jan 1960

Tobacco Production In Western Australia, A E. Baker

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

THE annual consumption of manufactured tobacco in Australia is in the vicinity of 55,000,000 pounds.

Although the public is well acquainted with the use of tobacco for smoking, many people are unaware of the care and attention required to grow such a crop.

The following article attempts to outline the conditions and methods as applied to tobacco production in Western Australia.


Honey Flora Calendar For October, R S. Coleman Jan 1960

Honey Flora Calendar For October, R S. Coleman

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

A look at Flora available in October


Trees Of Western Australia. 71. Coarse-Leaved Mallee (Eucalyptus Grossa F. Muell. Ex Benth.). 72. Desmond Mallee (Eucalyptus Desmondensis Maiden & Blakely). 73. Eucalyptus Falcata Turcz. 74. Jerdacattup Mallee (Eucalyptus Goniantha Turcz.). 75. Redheart (Eucalyptus Decipiens Endl.). 76. Eucalyptus Corrugata Luehmann. 77. Goldfields Blackbutt (Eucalyptus Le Souefii Maiden). 78. Strickland's Gum, Or Goldfields Yellow-Flowered Gum (Eucalyptus Stricklandii Maiden), Charles Austin Gardner Jan 1960

Trees Of Western Australia. 71. Coarse-Leaved Mallee (Eucalyptus Grossa F. Muell. Ex Benth.). 72. Desmond Mallee (Eucalyptus Desmondensis Maiden & Blakely). 73. Eucalyptus Falcata Turcz. 74. Jerdacattup Mallee (Eucalyptus Goniantha Turcz.). 75. Redheart (Eucalyptus Decipiens Endl.). 76. Eucalyptus Corrugata Luehmann. 77. Goldfields Blackbutt (Eucalyptus Le Souefii Maiden). 78. Strickland's Gum, Or Goldfields Yellow-Flowered Gum (Eucalyptus Stricklandii Maiden), Charles Austin Gardner

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

THIS mallee is unmistakable by reason of its peculiar habit and thick roughbarked stem and branches, both of which have longitudinally-fissured persistent bark right up to the distinctly reddish branchlets.

The leaves are broad and thick, a bright shining green in colour, with the mid-ribs usually a purplish-red. The heads of flowers are on thick red round-in-section foot-stalks which hang almost vertically, and the reddish bud-cap conceals the ultimately free, bright yellow filaments.

The widely-spreading thick branches, and in general the rough stout appearance of the shrub inspired the name "grossa" from the Latin grossus meaning thick.


Help Those Lambs To Live, C J. Spencer Jan 1960

Help Those Lambs To Live, C J. Spencer

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

IN almost all breeding flocks the most serious stage of sheep loss is from birth to three days of age with the majority of these losses occurring at birth or during the first day.

The number of lambs lost at this time is rarely known, but survey work shows that on most properties ten to twenty of every hundred lambs born are dead before three days of age.

The economic importance of such losses cannot be emphasised too much. Money has been expended for rams as sires, while the ewes have received extra feed and have had their wool production …


Dried Fruit And Meal Insects, Clee Francis Howard Jenkins Jan 1960

Dried Fruit And Meal Insects, Clee Francis Howard Jenkins

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

DRIED and preserved foodstuffs such as raisins, currants, oatmeal, nuts, and flour are often found to be "weevily" after long storage.

Strictly speaking, the term "weevily" should be applied only to material attacked by certain types of beetles, but the expression is now popularly used in connection with practically any insect infestation of stored products.