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Articles 156301 - 156330 of 159418

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Poison Plants Of Western Australia : The Toxic Species Of The Genera Gastrolobium And Oxylobium : York Road Poison And Box Poison, T E H Aplin Jan 1967

Poison Plants Of Western Australia : The Toxic Species Of The Genera Gastrolobium And Oxylobium : York Road Poison And Box Poison, T E H Aplin

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

YORK ROAD poison and box poison are two of the most important members of the group of poison plants belonging to the genera Gastrolobium and Oxylobium—the toxic pea-flowered plants.


Linuron : A Success In 1966?, Geoffrey A. Pearce Jan 1967

Linuron : A Success In 1966?, Geoffrey A. Pearce

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

Although some of the farmers who used linuron last year reported poor results, there is little doubt that this is the best herbicide since the advent of 2,4-D for weed control in cereals. This article gives the reasons for failure in some of last season's crops, and recommendations for use of linuron in 1967.


Uniwhite : A New Lupin Variety, John Sylvester Gladstones Jan 1967

Uniwhite : A New Lupin Variety, John Sylvester Gladstones

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

UNIWHITE is a new lupin variety, the Institute of Agriculture, University of Western Australia.

It is a variety of the narrow-leaved, or "New Zealand blue" lupin, Lupinus angustifolius L.


The Control Of Weeds In Cereals, Geoffrey A. Pearce Jan 1967

The Control Of Weeds In Cereals, Geoffrey A. Pearce

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

PROBABLY the simplest way of obtaining an increase in crop yield is to control the weeds present.

Nearly a million acres of cereal crops are sprayed by aircraft each year and when the area treated by ground units is added, something like 20 per cent of the total area sown is sprayed with herbicides.


Watch Out For Afghan Thistle, J G. Paterson Jan 1967

Watch Out For Afghan Thistle, J G. Paterson

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

ALTHOUGH known throughout the cereal and sheep districts of Western Australia as Afghan thistle, this plant is not really a thistle at all.

It belongs to the large botanical family of the Solonaceae and is closely related to the garden vegetables tomato and potato.


Serradella, H G. Cariss, B. J. Quinlivan Jan 1967

Serradella, H G. Cariss, B. J. Quinlivan

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

SERRADELLA is an annual pasture legume which is now coming increasingly under notice.

I t is not a new species, for it has been grown in Western Australia as a pasture plant for some 12 years and in Europe for over 100 years.


Availability Of Niacin In Corn And Milo For Swine, W. G. Luce, E. R. Peo, Jr., D. B. Hudman Jan 1967

Availability Of Niacin In Corn And Milo For Swine, W. G. Luce, E. R. Peo, Jr., D. B. Hudman

Department of Animal Science: Faculty Publications

Niacin has been recognized for several years as a dietary essential for swine. Its presence in feedstuffs is well known, but the biological availability of niacin in certain cereal grains commonly fed to swine has not been clearly established. Research has been reported indicating the niacin of white corn and wheat is largely unavailable to the pig (Kodieek et al., 1956; Kodicek et al., 1959 and Luce et al., 1966). Several workers have also obtained evidence that the niacin of corn is in a bound form and largely unavailable to the rat. (Laguna and Carpenter, 1951; Pearson …


Subspecies And Ecology Of Meadowlarks In Northwest Arkansas, Robert Lowery, Earl L. Hanebrink Jan 1967

Subspecies And Ecology Of Meadowlarks In Northwest Arkansas, Robert Lowery, Earl L. Hanebrink

Journal of the Arkansas Academy of Science

No abstract provided.


The Problem Of Insect Identification And The University Of Arkansas Reference Collection, E. Phil Rouse Jan 1967

The Problem Of Insect Identification And The University Of Arkansas Reference Collection, E. Phil Rouse

Journal of the Arkansas Academy of Science

No abstract provided.


Comparison Of Two Cultures For Use In Preacidified Skimmilk For Cottage Cheese Manufacture, Daryl D. Boddicker Jan 1967

Comparison Of Two Cultures For Use In Preacidified Skimmilk For Cottage Cheese Manufacture, Daryl D. Boddicker

Electronic Theses and Dissertations

Curd formation in a cultured dairy product is brought about by the addition of a bacterial culture capable of producing lactic acid from lactose. The primary function of this culture is to produce sufficient lactic acid to cause coagulation of the caseinate system of skimmilk. A secondary function of the culture is the production of flavor compounds considered to be desirable in these products. The flavor compounds produced by the normal growth of citric acid fermenting organisms are water soluble, and are largely removed during washing of the Cottage cheese curd. Therefore, flavor compounds are normally added to the cheese …


Ground Beetles Of The Genus Lebia Latreille In Arkansas (Coleoptera: Carabidae): Ecology And Geographical Distribution, R. Hemenway, W. H. Whitcomb Jan 1967

Ground Beetles Of The Genus Lebia Latreille In Arkansas (Coleoptera: Carabidae): Ecology And Geographical Distribution, R. Hemenway, W. H. Whitcomb

Journal of the Arkansas Academy of Science

No abstract provided.


Determination Of Larval Instars Of The Rice Weevil Sitophilus Oryzae (L.) (Coleoptera: Curculionidae) In Wheat, A. E. O'Donnell Jan 1967

Determination Of Larval Instars Of The Rice Weevil Sitophilus Oryzae (L.) (Coleoptera: Curculionidae) In Wheat, A. E. O'Donnell

Journal of the Arkansas Academy of Science

No abstract provided.


A Check-List And Keys To The Primitive Sub-Families Of Cerambycidae Of Illinois, Michael Jon Corn Jan 1967

A Check-List And Keys To The Primitive Sub-Families Of Cerambycidae Of Illinois, Michael Jon Corn

Masters Theses

The long-horned beetles, family Cerambycidae, form a large, colorful, often-collected and well-known group. However, the drab, more primitive subfamilies, Parandrinae, Prioninae, Aseminae, and Spondylinae, are much less well-known although they often appear in collections.

In this paper, the author has attempted to list those species of primitive cerambycids which occur or are likely to occur within the State of Illinois. Keys, illustrations, descriptions, and distribution maps have been developed to aid in identification. The list and keys should be applicable to any midwestern state with the addition or deletion of a few species.


Studies On The Effects Of Toxic Materials On The Respiration Rate Of Tubificidae, Richard A. Sikora Jan 1967

Studies On The Effects Of Toxic Materials On The Respiration Rate Of Tubificidae, Richard A. Sikora

Masters Theses

A study was made to determine the effect of lead, nickel and pentachlorophenol, at varying pH levels, on the respiration rate of this family of aquatic oligochaetes. Respiration was measured as the ul. of oxygen consumer per mg. of live tissue per hour of exposure.

Worms were found to decrease their rate of respiration in the presence of lead nitrate. This was demonstrated at three pH levels: 6.5, 7.5 and 8.5. It was concluded that this drop was due to the action of lead on the enzymes of the metabolic systems and on the characteristic of lead which stimulates the …


Louisiana Agriculture Magazine, Winter 1967-1968, Lsu Agricultural Experiment Station Jan 1967

Louisiana Agriculture Magazine, Winter 1967-1968, Lsu Agricultural Experiment Station

Louisiana Agriculture

No abstract provided.


Factors Affecting Body, Texture, And Water Holding Capacity Of A New Low-Fat Spread-Type Dairy Product, Basil K. Dalaly Jan 1967

Factors Affecting Body, Texture, And Water Holding Capacity Of A New Low-Fat Spread-Type Dairy Product, Basil K. Dalaly

Electronic Theses and Dissertations

At the South Dakota State University Dairy Science Department, a challenging work is being conducted to develop a new spread type· dairy product which is made almost entirely of dairy ingredients. It contains about 40% fat, 6% protein, 40% water, and 1.9% salts. Among the problems which faced the workers on this project were the process induced changes in the protein and the water holding capacity, which are interlinked. The problem of water holding capacity is increased by the high water content of the product compared with butter, which contains about 16% water. Maintaining the stability of the fat emulsion …


Manipulation Of Water Use In An Aspen Forest, John D. Schultz, George B. Coltharp, George E. Hart, Jr., Michael Zan Jan 1967

Manipulation Of Water Use In An Aspen Forest, John D. Schultz, George B. Coltharp, George E. Hart, Jr., Michael Zan

Aspen Bibliography

No abstract provided.


A Metabolic Study Of The Isolated Perfused Snake Liver, James E. Turner Jan 1967

A Metabolic Study Of The Isolated Perfused Snake Liver, James E. Turner

Master's Theses

A metabolic study was made on the isolated, perfused liver of Natrix fasciata fasciata (Linnaeus, 1776). Uric acid production, perfusate protein levels, serum protein patterns, perfusate glucose levels, and bile production were evaluated in this study as criteria of liver function.

The perfused liver was found to produce uric acid up through the fourth hour of perfusion. No significant differences (between the perfusions) were found in uric acid production/ gm of liver tissue.

Perfusate protein and glucose levels were found to be of a fluctuating or cyclic nature. There was found to be an inverse relationship between these two levels: …


Interference Of Ultraviolet Inactivated Parainfluenza 3 And Echo 21 Viruses With The Active Viruses In Tissue Culture, William Ernest Steinmetz Jan 1967

Interference Of Ultraviolet Inactivated Parainfluenza 3 And Echo 21 Viruses With The Active Viruses In Tissue Culture, William Ernest Steinmetz

Master's Theses

Experiments were conducted to investigate the possibility of the production of interference by ultraviolet inactivated (UVI) Parainfluenza 3 (Para 3) and Echo 21 viruses with active Para 3 and Echo 21 viruses in tissue culture (TC).

Four major experiments were conducted: the effect of UVI Para ~ on active Para 3 in rhesus monkey kidney cell (MKC) tissue culture; the effect of UVI Para 3 on active Para 3 in HEp-2 TC; the effect of UVI Para 3 on Echo 21 in MKC TC; and the effect of UV! Echo 21 on Echo 21 in MKC TC. The rates of …


Germination Of Seeds Of Perennials Native To The Minnesota Region, May L. Wright Jan 1967

Germination Of Seeds Of Perennials Native To The Minnesota Region, May L. Wright

Journal of the Minnesota Academy of Science

Requirements for the germination of the seeds of herbaceous perennials native to the Minnesota region are given in general. Examples of specific requirements are noted for certain plant species.


Sexual Dimorphism In The Western Blacknose Dace, Rhinichthys Atratulus Meleagris, Gary L. Phillips Jan 1967

Sexual Dimorphism In The Western Blacknose Dace, Rhinichthys Atratulus Meleagris, Gary L. Phillips

Journal of the Minnesota Academy of Science

Breeding activities and sexual dimorphism of the minnow Rhinichthys atratulus meleagris were studied in the headwaters of the Mississippi River at Minnesota's Itasca Stole Pork. The following characteristics were measured in 25 specimens of each sex: Total length, standard length, length of pectoral fins, length of pelvic fins, height of anal fin, length of caudal fin, fork length of caudal fin, length of depressed dorsal fin, and depth of caudal peduncle. The anal fin differed most significantly between the sexes, being long and keeled in females and comparatively truncated in males. Mating behavior was also observed. Results suggest that differences …


Distribution And Habitat Preference Of Minnesota Dragonfly Species (Odonata, Anisoptera) I., Robert Evans Carlson, Myron A. Anderson, Charles L. Hamrum Jan 1967

Distribution And Habitat Preference Of Minnesota Dragonfly Species (Odonata, Anisoptera) I., Robert Evans Carlson, Myron A. Anderson, Charles L. Hamrum

Journal of the Minnesota Academy of Science

The Anisoptera species found in Minnesota collections are listed. Eighteen of the 63 species are reported for the first time as occurring in Minnesota. The geographical distribution of the 63 species is presented. Factors affecting geographical distribution are discussed . The seasonal distribution of common species and genera with restricted flying times is discussed.


A Study Of The Communities Of Aquatic Macro-Invertebrates Of The Merging Of The Mississippi And Chippewa Rivers, Using A Biplate Substrate Sampler, Robert R. Elbert, Clarence D. Mcnabb Jan 1967

A Study Of The Communities Of Aquatic Macro-Invertebrates Of The Merging Of The Mississippi And Chippewa Rivers, Using A Biplate Substrate Sampler, Robert R. Elbert, Clarence D. Mcnabb

Journal of the Minnesota Academy of Science

Using a biplate substrate sampler, aquatic macro-invertebrates were collected during the fall, winter and spring seasons at the confluence of the Mississippi and Chippewa Rivers along the Minnesota-Wisconsin border. The substrate sampler proved very desirable in pointing out extreme community variations which existed between the two rivers. It was found that the members of a downstream community were a blend of the communities present in upstream tributaries. However, as compared with upstream communities, a shift in dominant organisms occurred. Striking seasonal changes appeared in the invertebrate populations as well as the environment of the rivers. All sampling revealed "clean water" …


Myrmecological Techniques, Arthur W. Glass, Charles L. Hamrum Jan 1967

Myrmecological Techniques, Arthur W. Glass, Charles L. Hamrum

Journal of the Minnesota Academy of Science

An ant colony collection-maintenance unit is described and various adaptations of it are described and illustrated. These adaptations may be used to study food preference, interspecific fighting, or predation. Methods of feeding and watering colonies and examination of individual ants are also included as well as maze constructions and colony-recognition devices that may be attached. Only techniques for observation of ant behavior are presented; experimental results are omitted.


Taxonomic Status Of Penstemon Wherryi Pennell, Aileen L. Mcwilliam Jan 1967

Taxonomic Status Of Penstemon Wherryi Pennell, Aileen L. Mcwilliam

Journal of the Arkansas Academy of Science

No abstract provided.


Metabolic Changes Induced In Rats By Feeding Different Levels Of Galactose With Two Levels Of Corn Oil, Carolyn Qualls Sharp Jan 1967

Metabolic Changes Induced In Rats By Feeding Different Levels Of Galactose With Two Levels Of Corn Oil, Carolyn Qualls Sharp

Journal of the Arkansas Academy of Science

No abstract provided.


Effects Of Hydroxyurea On Cultured Somatic Cells Of The Chinese Hamster, Cricetulus Griseus, Charlotte Neill, William C. Guest Jan 1967

Effects Of Hydroxyurea On Cultured Somatic Cells Of The Chinese Hamster, Cricetulus Griseus, Charlotte Neill, William C. Guest

Journal of the Arkansas Academy of Science

No abstract provided.


Survey Of The Venezuelan Species Of Ficus, David Walter Hall Jan 1967

Survey Of The Venezuelan Species Of Ficus, David Walter Hall

College of Graduate Studies: Theses & Dissertations (1964–2006)

This study was undertaken to provide a circumscription of the genus Ficus in Venezuela. The material studied was representative of the collections that have been made throughout the country. A great portion of Venezuela is apparently unexplored botanically. With this in mind I have attempted to do as complete a study as possible with the material available with fully realizing the many limitations. this circumscription is intended as a starting point for future work,not a stopping place.


Control Of Eucalypt Regrowth, J G. Paterson Jan 1967

Control Of Eucalypt Regrowth, J G. Paterson

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

EUCALYPT regrowth has presented a problem to farmers throughout the State for many years.

Some species are checked by heavy grazing although, in the main, this method is far from satisfactory.


Ornamental Trees For The Farm Garden, P Luff Jan 1967

Ornamental Trees For The Farm Garden, P Luff

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

THE need for trees in the farm garden is being realized by many people.

Trees around the homestead are required to give such features as shade, colour, fragrance and many other advantages to generally make an area more livable.

Besides these advantages, trees appear to help smaller plants flourish by increasing the humidity and providing various degrees of shade and sunlight.