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Full-Text Articles in Plant Sciences

Pb1742 Tennessee Cotton Variety Test Results 2011, Chris L. Main, Fred L. Allen Nov 2011

Pb1742 Tennessee Cotton Variety Test Results 2011, Chris L. Main, Fred L. Allen

Field & Commercial Crops

Version 5.0


W283 Should Tennessee Tobacco Growers Invest In Irrigation, Fertigation Or Plastic Mulch?, Brian G. Leib, Eric F. Caldwell, Hubert J. Savoy, John R. Buchanan Oct 2011

W283 Should Tennessee Tobacco Growers Invest In Irrigation, Fertigation Or Plastic Mulch?, Brian G. Leib, Eric F. Caldwell, Hubert J. Savoy, John R. Buchanan

Field & Commercial Crops

Version 2.0


Rr10-03-2009 Soybean Variety Performance Tests In Tennessee, The University Of Tennessee Agricultural Extension Service Jan 2010

Rr10-03-2009 Soybean Variety Performance Tests In Tennessee, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

No abstract provided.


Sp341-W-Insects In Grain Bins, The University Of Tennessee Agricultural Extension Service Jan 2010

Sp341-W-Insects In Grain Bins, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

One of the most common insects in stored grain is the Indian-meal moth, Plodia interpunctella (Hubner). These moths are called “flour moths” in Tennessee because they feed on flour or milled products. In farm grain bins, they prefer broken grains or grains damaged by other pests and seldom attack sound grain kernels. They cause problems by spinning webbings as immature. This causes lower quality in stored grain.


Sp721-Sunflower: An Alternative Crop For Tennessee Producers - Production Guidelines And Tennessee Hybrid Trials, The University Of Tennessee Agricultural Extension Service Jan 2010

Sp721-Sunflower: An Alternative Crop For Tennessee Producers - Production Guidelines And Tennessee Hybrid Trials, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

Tennessee producers are interested in crops that can be grown to diversify and/or complement their current cropping systems that include corn, cotton, soybeans and wheat. There is a growing demand for birdseed, and sunflower is an important component of that feed, either as a sole ingredient or in a blend with other seeds such as millet, corn, sesame, sorghum, wheat and oats. Sunflower oil is used for human consumption and is also a suitable feedstock for biodiesel. An increasing demand for biodiesel will increase the demand for oilseed crops such as sunflower. Thus, there may be increased opportunities for some …


Sp290-K The Hessian Fly In Wheat, The University Of Tennessee Agricultural Extension Service Jan 2010

Sp290-K The Hessian Fly In Wheat, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

The Hessian fly is a pest of winter wheat in Tennessee and other wheat-growing states. This pest caused disastrous losses in Tennessee wheat in the mid- 1980s. Later planting of wheat and the use of wheat varieties resistant to Hessian fly minimized economic losses from this pest. In the coming years, potential economic losses from Hessian fly could increase due to the lack of resistance varieties.

In 2009, very little attention was given to Hessian fly infestations. However, there are some varieties with moderate resistance to biotype L Hessian fly. None are completely resistant. Some of the better methods to …


Sp721 Sunflower: An Alternative Crop For Tennessee Producers - Production Guidelines And Tennessee Hybrid Trials, The University Of Tennessee Agricultural Extension Service Jan 2010

Sp721 Sunflower: An Alternative Crop For Tennessee Producers - Production Guidelines And Tennessee Hybrid Trials, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

Tennessee producers are interested in crops that can be grown to diversify and/or complement their current cropping systems that include corn, cotton, soybeans and wheat. There is a growing demand for birdseed, and sunflower is an important component of that feed, either as a sole ingredient or in a blend with other seeds such as millet, corn, sesame, sorghum, wheat and oats. Sunflower oil is used for human consumption and is also a suitable feedstock for biodiesel. An increasing demand for biodiesel will increase the demand for oilseed crops such as sunflower. Thus, there may be increased opportunities for some …


Sp639-2010-2009 Grain Sorghum Hybrid Tests In Tennessee, The University Of Tennessee Agricultural Extension Service Dec 2009

Sp639-2010-2009 Grain Sorghum Hybrid Tests In Tennessee, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

No abstract provided.


Sp618-2010-2009 Corn Hybrid & Sweet Sorghum Silage Tests In Tennessee, The University Of Tennessee Agricultural Extension Service Dec 2009

Sp618-2010-2009 Corn Hybrid & Sweet Sorghum Silage Tests In Tennessee, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

No abstract provided.


Pb1768 2010 Insect Control Recommendations For Field Crops –, The University Of Tennessee Agricultural Extension Service Dec 2009

Pb1768 2010 Insect Control Recommendations For Field Crops –, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

An Integrated Pest Management (IPM) program integrates control tactics including cultural practices, variety selection, biological control and insecticides to manage insect pest populations so that economic damage and harmful environmental side effects are minimized. Insecticides should only be used on an as-needed basis; therefore, insect scouting must be conducted regularly throughout the season to determine if an insecticide application is warranted.


Pb1580 2010 Weed Control Manual For Tennessee, The University Of Tennessee Agricultural Extension Service Dec 2009

Pb1580 2010 Weed Control Manual For Tennessee, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

This manual contains the 2010 University of Tennessee weed control recommendations for corn, grain sorghum, cotton, soybeans, burley and dark tobacco, wheat, forage crops, sunflowers and farm ponds. These recommendations are based on results of research and demonstrations conducted by the Agricultural Experiment Station and the Agricultural Extension Service. Decisions regarding recommendations are made by the University of Tennessee Weed Control Committee and are based on available data at various locations in the state.

This publication contains pesticide recommendations that are subject to change at any time. The recommendations in this publication are provided only as a guide. It is …


W229-Interpreting Mehlich 1 And 3 Soil Test Extractant Results For P And K In Tennessee, The University Of Tennessee Agricultural Extension Service Aug 2009

W229-Interpreting Mehlich 1 And 3 Soil Test Extractant Results For P And K In Tennessee, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

The Mehlich 1 and 3 soil test extractants are the most widely used in laboratories of the southern United States today. Tennessee began using the Mehlich 1 extractant in December, 1981. Existing soil test calibration data in Tennessee are based on the Mehlich 1 soil test extractant,1,2 which became available in 1953.


Rr10-01-2009 Wheat And Oat Variety Performance Tests In Tennessee, The University Of Tennessee Agricultural Extension Service Jul 2009

Rr10-01-2009 Wheat And Oat Variety Performance Tests In Tennessee, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

No abstract provided.


W076 Selecting Corn Hybrids For The Field, The University Of Tennessee Agricultural Extension Service Feb 2009

W076 Selecting Corn Hybrids For The Field, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

Hybrid selection is one of the most important decisions a producer will make. Hybrid traits are introduced through breeding or genetic modification and there are many available options. Certain physical traits fit some field environments better than others or are better suited to specific end uses, such as silage vs. grain. The higher seed cost of specialty traits means growers must balance perceived benefits with the cost of using the newer technology. In addition to yield, producers should consider days to maturity, disease and insect resistance, and sometimes herbicide tolerance when selecting a hybrid to plant.


W077 Planting Corn For Grain In Tennessee, The University Of Tennessee Agricultural Extension Service Feb 2009

W077 Planting Corn For Grain In Tennessee, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

Although seed genetics can dictate yield, a poorly planted seed never reaches its yield potential. Favorable weather plays an important role in stand quality, but producers can save money on replant costs by managing factors that can be controlled, such as field selection and planting time, seedbed preparation, seeding rate, planter settings and insect management.


W215 Organic Certification In Tennessee, The University Of Tennessee Agricultural Extension Service Feb 2009

W215 Organic Certification In Tennessee, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

The USDA National Organic Program (NOP) defines organic agriculture as “a production system that is managed by integrating cultural, biological, and mechanical practices that foster cycling of resources, promote ecological balance and conserve biodiversity.” Organic production methods minimize the use of purchased off-farm inputs such as fertilizers and pesticides, while maximizing the use of on-farm practices that promote naturally occurring ecological relationships.


Sp639-2008-2008 Grain Sorghum Hybrid Tests In Tennessee, The University Of Tennessee Agricultural Extension Service Jan 2009

Sp639-2008-2008 Grain Sorghum Hybrid Tests In Tennessee, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

No abstract provided.


Sp618-2008-2008 Corn Hybrid And Sweet Sorghum Silage Tests In Tennessee, The University Of Tennessee Agricultural Extension Service Dec 2008

Sp618-2008-2008 Corn Hybrid And Sweet Sorghum Silage Tests In Tennessee, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

No abstract provided.


Rr09-03-2008 Soybean Variety Performance Tests In Tennessee, The University Of Tennessee Agricultural Extension Service Dec 2008

Rr09-03-2008 Soybean Variety Performance Tests In Tennessee, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

No abstract provided.


Rr09-01-2008 Wheat, Barley & Oat Variety Performance Tests In Tennessee, The University Of Tennessee Agricultural Extension Service Aug 2008

Rr09-01-2008 Wheat, Barley & Oat Variety Performance Tests In Tennessee, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

No abstract provided.


Pb378 Forage & Field Crop Seeding Guide For Tennessee, The University Of Tennessee Agricultural Extension Service Aug 2008

Pb378 Forage & Field Crop Seeding Guide For Tennessee, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

No abstract provided.


Sp290-N The Greenbug In Grain Sorghum, The University Of Tennessee Agricultural Extension Jun 2008

Sp290-N The Greenbug In Grain Sorghum, The University Of Tennessee Agricultural Extension

Field & Commercial Crops

Greenbugs are small (1.6 mm long), soft-bodied insects that are oval in shape. Greenbugs usually feed in colonies by sucking sap from leaves. Feeding may cause mottling and discoloration of the plant. Heavily infested leaves turn red or yellow, shrivel and die. Damaging levels of greenbugs can result in the destruction of entire grain sorghum fields.


W164 Replanting Corn - In A Failed Roundup™ Ready Corn Stand, The University Of Tennessee Agricultural Extension Service Jul 2007

W164 Replanting Corn - In A Failed Roundup™ Ready Corn Stand, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

In spring 2007, a widespread freeze occurred that led to the replanting of about 200,000 acres of corn in Tennessee. In most years, replant decisions have to be made on a limited number of acres when corn fields have insufficient stands for optimum yields. Producers are then forced to make a number of decisions quickly, because planting delays, particularly into mid-May, can greatly affect yield potential of the replanted crop.


W127 Common Beneficial Arthropods Found In Field Crops, The University Of Tennessee Agricultural Extension Service May 2007

W127 Common Beneficial Arthropods Found In Field Crops, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

There are hundreds of species of insects and spiders that attack arthropod pests found in cotton, corn, soybean and other field crops. A few common and representative examples are presented herein. With few exceptions, these beneficial arthropods are native and common in the southern United States. The cumulative value of insect predators and parasitoids should not be underestimated, and this publication does not address important diseases that also attack insect and mite pests. Without biological control, many pest populations would routinely reach epidemic levels in field crops. Insecticide applications typically reduce populations of beneficial insects, often resulting in secondary pest …


Pb1061 Soil Testing, The University Of Tennessee Agricultural Extension May 2007

Pb1061 Soil Testing, The University Of Tennessee Agricultural Extension

Field & Commercial Crops

Growers who follow soil test recommendations can expect higher fertilizer efficiency, more balanced nutrient levels for crops and optimum benefits from their lime and fertilizer investments. Thus, soil testing should be the first step in planning a sound fertilization program. With a soil test, the guesswork of knowing how much lime and fertilizer to apply is eliminated.


W129 Bt Cotton, The University Of Tennessee Agricultural Extension Service May 2007

W129 Bt Cotton, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

Bt cotton has been genetically modified by the insertion of one or more genes from a common soil bacterium, Bacillus thuringiensis. These genes encode for the production of insecticidal proteins, and thus, genetically transformed plants produce one or more toxins as they grow. The genes that have been inserted into cotton produce toxins that are limited in activity almost exclusively to caterpillar pests (Lepidoptera). However, other strains of Bacillus thuringiensis have genes that encode for toxins with insecticidal activity on some beetles (Coleoptera) and flies (Diptera). Some of these genes are being used to control pests in other crops, …


Sp290-J Cutworms In Field Corn, The University Of Tennessee Agricultural Extension Service Mar 2007

Sp290-J Cutworms In Field Corn, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

Field corn is susceptible to damage from several species of cutworms that occur in Tennessee. Usually, this damage occurs in early planted corn when the temperatures are cool and the ground is moist. Cutworms are less likely to cause economic damage after corn reaches 2 feet in height.


Pb1742-2006 Cotton Variety Test Results In Tennessee, The University Of Tennessee Agricultural Extension Service Feb 2007

Pb1742-2006 Cotton Variety Test Results In Tennessee, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

The University of Tennessee cotton variety testing program provides an unbiased evaluation of new varieties for commercial cotton production in Tennessee. Experimental strains are also tested, and major cultivars are grown in county variety demonstrations. Results are intended to help cotton producers identify varieties that are well adapted to Tennessee, produce high quality fiber, and are relatively stable in yield performance. Results are also used by the seed industry, crop consultants, and the UT Extension Service to assess varietal adaptation to field environments in Tennessee.

Information contained within this report covers the major components of the 2006 cotton variety testing …


Rr07-03-2006 Soybean Variety Tests In Tennessee, The University Of Tennessee Agricultural Extension Service Jan 2007

Rr07-03-2006 Soybean Variety Tests In Tennessee, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

No abstract provided.


Sp639-2006 Grain Sorghum Hybrid Tests In Tennessee, The University Of Tennessee Agricultural Extension Service Jan 2007

Sp639-2006 Grain Sorghum Hybrid Tests In Tennessee, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

No abstract provided.