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Articles 31 - 60 of 90
Full-Text Articles in Life Sciences
Tennessee Agriculture - Projections To 1990, University Of Tennessee Agricultural Experiment Station, Department Of Agricultural Economics And Rural Sociology, Extension Agricultural Economics And Resource Development
Tennessee Agriculture - Projections To 1990, University Of Tennessee Agricultural Experiment Station, Department Of Agricultural Economics And Rural Sociology, Extension Agricultural Economics And Resource Development
Research Reports
No abstract provided.
Vineyard Acreage In Oregon, 1982, Oregon State University Department Of Agricultural & Resource Economics, Stanley D. Miles
Vineyard Acreage In Oregon, 1982, Oregon State University Department Of Agricultural & Resource Economics, Stanley D. Miles
Oregon Wine Board Documents
This statewide survey report on vineyard acreage in Oregon covers bearing and nonbearing acres, size of vineyard operation, variety and county, size distribution, prices, and yields. The report also contains some comparisons of data for 1981 and 1982.
Stand Risk Rating For The Southern Pine Beetle: Integrating Pest Management With Forest Management, Gordon L. Autry
Stand Risk Rating For The Southern Pine Beetle: Integrating Pest Management With Forest Management, Gordon L. Autry
Faculty Publications
Stand risk rating for the southern pine beetle.
Dendroctonus frontalis Zimm., is a first step toward dealing with a serious but sporadic insect problem. Two approaches, one utilizing readily available resource data, the other employing data obtained from aerial photographs, illustrate application of current knowledge to meet the protection needs of resource management-the primary role of integrated pest management. During a 36-month period in Louisiana, high-risk stands accounted for 13.4 infestations per 1,000 acres, four times the rate of low-risk stands; in Texas high-risk stands accounted for 9 .9 infestations per 1 ,000 acres during 1973-1978, almost five times the …
Proceedings Of The 9th Annual Meeting, Southern Soybean Disease Workers (April 14-15, 1982, Ft. Walton Beach, Florida): Better Yield, Higher Quality = Greater Profit, Walter J. Walla, Wayne Winner, H. Jack Walters, Jerry Berggren, J. Dan Smith
Proceedings Of The 9th Annual Meeting, Southern Soybean Disease Workers (April 14-15, 1982, Ft. Walton Beach, Florida): Better Yield, Higher Quality = Greater Profit, Walter J. Walla, Wayne Winner, H. Jack Walters, Jerry Berggren, J. Dan Smith
Southern Soybean Disease Workers: Conference Proceedings
Contents
1982 Southern Soybean Disease Workers Officers
1982 Southern Soybean Disease Workers Program Committee
Committee Chairmen
General session
Presidential address. Walter Walla
Role of American Soybean Association in Soybean Production. KL. Bader
Agricultural Chemistry World Wide. D Wolf
Soybean disease management. W Winner presiding
Soybean Disease Loss Estimate. E Koldenhoven
Disease Management Panel Discussion: The Consultant and Soybean Disease Control. R Carver
Disease Management: Chemical Industries' Point of View. HL McMenemy
Management Tactics for Soybean Diseases. DP Schmitt
Farmer and Soybean Disease Control. J Andries
Soybean nematodes. J Arnett presiding
Standardized Nematicide Research Report. A Wrather
Nematode Parasites …
Agricultural Experiment Station News April 1982
Agricultural Experiment Station News April 1982
Agricultural Research Division: News and Annual Reports
CONTENTS:
FROM THE DIRECTOR'S DESK
SAHS SEZ
TRAVEL OPPORTUNITY - SPAIN
GRANTS AND CONTRACTS
NEBRASKA AGRICULTURAL EXPERIMENT STATION PUBLICATIONS - March 1982
1981 Animal Science Research Progress Report, University Of Tennessee Agricultural Experiment Station
1981 Animal Science Research Progress Report, University Of Tennessee Agricultural Experiment Station
Research Reports
No abstract provided.
Population, Migration, And Natural Increase Trends In Tennessee From 1930 To 1980, University Of Tennessee Agricultural Experiment Station, Frank O. Leuthold
Population, Migration, And Natural Increase Trends In Tennessee From 1930 To 1980, University Of Tennessee Agricultural Experiment Station, Frank O. Leuthold
Bulletins
No abstract provided.
Blueberry Progress Reports, Amr A. Ismail, David E. Yarborough, Delmont C. Emerson, John M. Smagula, Edward J. Mclaughlin, Frank L. Caruso, Michael G. Zuck, Mark D. Milam, H Y. Forsythe, Kathy Flanders
Blueberry Progress Reports, Amr A. Ismail, David E. Yarborough, Delmont C. Emerson, John M. Smagula, Edward J. Mclaughlin, Frank L. Caruso, Michael G. Zuck, Mark D. Milam, H Y. Forsythe, Kathy Flanders
Wild Blueberry Research Reports
The 1981 edition of the Blueberry Progress Reports was prepared for the Maine Blueberry Commission and the University of Maine Blueberry Advisory Committee by researchers with the Maine Life Sciences and Agriculture Experiment Station and Maine Cooperative Extension Service at the University of Maine, Orono. Projects in this report include:
1. Weed Control in Lowbush Blueberry Fields
2. Pruning of Blueberries
3. 1982 Blueberry Fruit Fly Monitoring IPM Program
4. Physiology and Culture of the Lowbush Blueberry
5. Blueberry Diseases: Incidence and Control
6. Control, biology, and ecology of insects affecting lowbush blueberries
7. Blueberry Extension Progress Report
8. Plan …
Agricultural Experiment Station News March 1982
Agricultural Experiment Station News March 1982
Agricultural Research Division: News and Annual Reports
CONTENTS:
FROM THE DIRECTOR'S DESK
IN THE INTERIM
SAHS SEZ
GRANTS AND CONTRACTS
GRANTS
NEBRASKA AGRICULTURAL EXPERIMENT STATION PUBLICATIONS - February 1982
BULLETINS PRINTED
Effects Of Insecticides On Nilaparvata Lugens And Its Predators: Spiders, Microvelia Atrolineata, And Cyrtorhinus Lividipennis, W. H. Reissig, E. A. Heinrichs, S. L. Valencia
Effects Of Insecticides On Nilaparvata Lugens And Its Predators: Spiders, Microvelia Atrolineata, And Cyrtorhinus Lividipennis, W. H. Reissig, E. A. Heinrichs, S. L. Valencia
Department of Entomology: Faculty Publications
Thirty-five insecticides used on rice in Asia were tested in the field against Nilaparvata lugens. The most important predators of the pest, Cyrtorhinus lividipennis, Microvelia atrolineata, and predacious spiders, Lycosa pseudoannulata, Tetragnatha, and Araneus species, were also monitored in the test plots. Ten insecticides significantly reduced numbers of N. lugens, but propoxur and ethylan gave the most consistent and effective control. Most insecticides did not significantly reduce populations of spiders and M. atrolineata compared with untreated checks, but they did reduce numbers of C. lividipennis. Fifteen treatments caused resurgence of N. lugens, …
Resurgence Of Nilaparvata Lugens (Stål) Populations As Influenced By Method And Timing Of Insecticide Applications In Lowland Rice, E. A. Heinrichs, G. B. Aquino, S. Chelliah, S. L. Valencia, W. H. Reissig
Resurgence Of Nilaparvata Lugens (Stål) Populations As Influenced By Method And Timing Of Insecticide Applications In Lowland Rice, E. A. Heinrichs, G. B. Aquino, S. Chelliah, S. L. Valencia, W. H. Reissig
Department of Entomology: Faculty Publications
Resurgence of Nilaparvata lugens (Stål) after insecticide application is a common phenomenon in rice in South and Southeast Asia. Among other insecticides inducing resurgence, carbofuran, decamethrin, and methyl parathion were selected for this study. Of the various methods of carbofuran application tested, foliar sprays were most active in inducing resurgence. Extent of resurgence was highly influenced by time of insecticide application. Sprays of methyl parathion and decamethrin applied 50 and 65 days after transplanting (DT) induced resurgence in the third generation of N. lugens at ca. 90 DT, whereas earlier applications had little effect. The cause(s) for resurgence was not …
Reaction Of Corn Genotypes To The Corn Virus Disease In Tennessee, University Of Tennessee Agricultural Experiment Station, D. R. West, M. R. Mclaughlin, H. C. Kincer
Reaction Of Corn Genotypes To The Corn Virus Disease In Tennessee, University Of Tennessee Agricultural Experiment Station, D. R. West, M. R. Mclaughlin, H. C. Kincer
Research Reports
No abstract provided.
An Evaluation Of Hedging Strategies For Backgrounding Feeder Cattle In Tennessee, University Of Tennessee Agricultural Experiment Station, C. D. Miyat, D. L. Mclemore
An Evaluation Of Hedging Strategies For Backgrounding Feeder Cattle In Tennessee, University Of Tennessee Agricultural Experiment Station, C. D. Miyat, D. L. Mclemore
Bulletins
No abstract provided.
Selection Of Biotype Populations 2 And 3 Of Nilaparvata Lugens By Exposure To Resistant Rice Varieties, P. K. Pathak, E. A. Heinrichs
Selection Of Biotype Populations 2 And 3 Of Nilaparvata Lugens By Exposure To Resistant Rice Varieties, P. K. Pathak, E. A. Heinrichs
Department of Entomology: Faculty Publications
The release of an insect pest-resistant variety and subsequent adaptation of the insect species to that variety through the process of biotype selection has occurred on many cultivated crops. The present study was designed to obtain detailed information on some of the processes involved in the selection of biotypes of Nilaparvata lugens (Stål) on two rice varieties with different major genes for resistance. The N. lugens population selected for the study, which had originally been collected in the field and reared on a susceptible variety for 12 years (ca. 140 generations), initially had a low survival on the resistant rice …
Insecticide-Induced Resurgence Of The Brown Planthopper, Nilaparvata Lugens, On Rice Varieties With Different Levels Of Resistance, W. H. Reissig, E. A. Heinrichs, S. L. Valencia
Insecticide-Induced Resurgence Of The Brown Planthopper, Nilaparvata Lugens, On Rice Varieties With Different Levels Of Resistance, W. H. Reissig, E. A. Heinrichs, S. L. Valencia
Department of Entomology: Faculty Publications
Three rice varieties, IR29, IR40, and IR42, which are, respectively, susceptible, moderately resistant, and resistant to Nilaparvata lugens Stål in the Philippines, were treated in the field with decamethrin, an insecticide known to cause resurgence. N. lugens populations increased to a significantly higher level in the treated plots than in untreated checks, but the degree of resurgence varied among varieties. The maximum population increases in the treated plots compared with the checks were ca. 74-, 50-, and 5-fold, respectively, for IR29, IR40, and IR42. Decamethrin was toxic to predators, and this reduction of natural enemies of N. lugens may …
Agricultural Experiment Station News February 1982
Agricultural Experiment Station News February 1982
Agricultural Research Division: News and Annual Reports
CONTENTS:
FROM THE DIRECTOR'S DESK
PROFESSIONAL COURTESY
SAHS SEZ
SANDHILLS TASK FORCE FORMED
GRANTS AND CONTRACTS
COMPETITIVE AND SPECIAL GRANTS
New Experiment Station Personnel
NEBRASKA AGRICULTURAL EXPERIMENT STATION PUBLICATIONS - January 1982
Journal Abstracts - Submitted for Publication
BULLETINS PRINTED
Harvester Newsletter Vol.2 No.1 June 1982, Tennessee State University
Harvester Newsletter Vol.2 No.1 June 1982, Tennessee State University
Agriculture Newsletters
No abstract provided.
Effect Of Herbicides On Performance Of Aerobic Dairy Lagoons, John D. Bottom, Joseph L. Taraba
Effect Of Herbicides On Performance Of Aerobic Dairy Lagoons, John D. Bottom, Joseph L. Taraba
Biosystems and Agricultural Engineering Faculty Publications
The herbicides glyphosate, bromacil, and dalapon were assessed for their affect on the oxygen uptake of microorganisms from an aerated dairy lagoon at 20 °C. The maximum recommended addition of herbicide active ingerdient to a lagoon is: glyphosate (isopropyl amino salt)—0.42 mg/L; bromacil—3.70 mg/L; and dalapon (85.8 percent Na salt and 14.2 percent Mg salt)—1.95 mg/L. In addition, microorganism isolates from the aerobic dairy lagoon were incubated under aerobic and anerobic conditions at room temperature to assess the effects of the herbicides. Under aerobic incubation, it was found that neither herbicide type nor herbicide concentration affected isolate growth. Under anaerobic …
Vertical Wall Loads In A Model Grain Bin, S. A. Thompson, I. J. Ross, John N. Walker, Larry G. Wells
Vertical Wall Loads In A Model Grain Bin, S. A. Thompson, I. J. Ross, John N. Walker, Larry G. Wells
Biosystems and Agricultural Engineering Faculty Publications
No abstract provided.
The Potential Price Relationships Between Fresh Fluid And Reconstituted Fluid Milk In The Southeast And The Southcentral United States Milk Markets, University Of Tennessee Agricultural Experiment Station, Glen D. Whipple
The Potential Price Relationships Between Fresh Fluid And Reconstituted Fluid Milk In The Southeast And The Southcentral United States Milk Markets, University Of Tennessee Agricultural Experiment Station, Glen D. Whipple
Research Reports
No abstract provided.
Crop Production In Tennessee: 1974 And 1978, University Of Tennessee Agricultural Experiment Station, Charles M. Cuskaden
Crop Production In Tennessee: 1974 And 1978, University Of Tennessee Agricultural Experiment Station, Charles M. Cuskaden
Research Reports
No abstract provided.
Annual Report Of The Tennessee Agricultural Experiment Station, 1982, University Of Tennessee Agricultural Experiment Station
Annual Report Of The Tennessee Agricultural Experiment Station, 1982, University Of Tennessee Agricultural Experiment Station
Annual Report
No abstract provided.
Investigations Of Ryegrass Toxicity., Brian A. Stynes.
Investigations Of Ryegrass Toxicity., Brian A. Stynes.
Experimental Summaries - Plant Research
Control of spray topping, 82KA28. Emergence of nematode larvae from galls, 82KA29, 82NA33, 82M019. Effects of long term cropping, 81KA57. Long term effects of spray topping, 81KA58. Development of toxicity, 81KA47, 81NA47, 81M047.
Newsnotes Cooperative Agricultural Research Program Newsletter May 26 1982, Tennessee State University
Newsnotes Cooperative Agricultural Research Program Newsletter May 26 1982, Tennessee State University
Agriculture Newsletters
No abstract provided.
The Educational And Occupational Aspirations Of Louisiana Rural High School Students: A Comparative Study, George W. Ohlendorf
The Educational And Occupational Aspirations Of Louisiana Rural High School Students: A Comparative Study, George W. Ohlendorf
LSU Agricultural Experiment Station Reports
No abstract provided.
Fertilizing "Tifgreen" Bermudagrass Golf Greens In Louisiana, E P. Barrios
Fertilizing "Tifgreen" Bermudagrass Golf Greens In Louisiana, E P. Barrios
LSU Agricultural Experiment Station Reports
No abstract provided.
Irrigation Development: It's Potential Impact On South Dakota's Economy, Richard Shane, Ralph J. Brown
Irrigation Development: It's Potential Impact On South Dakota's Economy, Richard Shane, Ralph J. Brown
Economics Research Reports
Irrigation development has been and will continue to be a key issue facing the people of the state of South Dakota. As irrigated acreage increases, benefits accrue throughout the State. The irrigator's income earning potential is expanded and income variability is reduced as drought impacts on yields are ameliorated. In addition, a more stable, larger quantity of feed can be produced for livestock production. This may allm-1 for expansion in the livestock industry or less importation of feedstuffs into an area. The nonfarm economy may also benefit from irrigation development. Since irrigation requires the purchase of more inputs such as …
Carp Newsnotes August 19 1982, Tennessee State University
Carp Newsnotes August 19 1982, Tennessee State University
Agriculture Newsletters
No abstract provided.
1982 Annual Report
Southeast Research and Extension Center: Reports and Administration
1982 was a year of challenges for all the various members of our unit including the researcher, the extension worker, the forester, and all the support staff. Our program year started on October 1, 1981 and ended on September 30, 1982.
From the agriculture standpoint, it has been a difficult year. The fall of 1981 was not favorable to the agricultural producer. Rain, freezing temperatures and even light snow was prevalent in October, 1981. Throughout the winter of 91-82, it was cold and snow was on the ground most of the winter.
It was not uncommon for counties in the …
G620 Pinkeye, Don Hudson, Duane N. Rice
G620 Pinkeye, Don Hudson, Duane N. Rice
University of Nebraska-Lincoln Extension: Historical Materials
The signs and causes of pinkeye, a painful eye disease that is common in cattle, are covered, as well as control and treatment procedures.