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This issue of Louisiana Agriculture is devoted to the water resources of Louisiana and the commitment the LSU AgCenter has made to protecting and improving these resources. 36 pages. Fall 2011, Vol. 54, No. 4
This issue of Louisiana Agriculture includes a variety of articles. Topics covered are Jazzman rice and the dent its making in the aromatic rice market, rice water weevils and the continuing battle to control them without harming crawfish, the potential devastation of bacterial panicle blight in rice, residual herbicides and Clearfield rice, greenhouse tomatoes, Super Plants for the nursery industry and more. 32 pages. Vol. 54, No. 3.
This document shows photos of the microwave extraction and separation system and a schematic design and accompanies the article "Continuous Microwave Extraction of Soy Isoflavones for Food Application" by Cristina Sabliov, Zhimin Xu, Dorin Boldor and Marybeth Lima. (1 page)
This document shows photos of the microwave extraction and separation system and a schematic design and accompanies the article "Continuous Microwave Extraction of Soy Isoflavones for Food Application" by Cristina Sabliov, Zhimin Xu, Dorin Boldor and Marybeth Lima. (1 page)
The spring 2011 issue of Louisiana Agriculture features the soybean, a crop vital to the state's economy. Topics covered include the latest research on how to grow soybeans successfully in the state. Other articles talk about extracts from soybeans and their uses in boosting the nutritional value of foods. Vol. 54 No.2, 40 pages.
The winter 2011 issue of Louisiana Agriculture is 20 pages with articles about research on medicinal plants; rice production; weeds in rice, corn and wheat; and farmers markets, among others. The cover features one of the new Super Plants. Read more in the magazine.
Tree and plant bark and similar resources are widely used in the Louisiana nursery and landscape industries and across the southeastern United States.
Crawfish are Louisiana’s most valuable aquaculture commodity, and Louisiana is the only state that produces crawfish for human consumption on alarge commercial scale.
A rice line that exhibits tolerance to the imidazolinone class of herbicides was released by the LSU AgCenter in 2002 and sold under the trade name Clearfield.
Representatives from the Kellogg Co.and Walmart saw firsthand how Louisiana rice farmers use sustainable agricultural practices to produce a crop profitably in an environmentally friendly manner.
Louisiana Agriculture Magazine
Louisiana rice farmers are helping Texas ranchers by providing rice straw to be used as cattle feed in the drought-stricken LoneStar State.
OAK GROVE, La. – Researchers from the LSU AgCenter’s Sweet Potato Research Station showed growers how to optimize production at a field day on the Lee Jones and Sons Farm on Aug. 24.
Volunteers play a vital role in the delivery of research-based programs conducted by the Louisiana Cooperative Extension Service.
These articles were published in the Summer 2011 issues of Louisiana Agriculture Magazine.
The rice water weevil is the most destructive early-season insect pest of rice in Louisiana.Both the adult and larval stages of this insect attack rice (Figure 1), but, generally, the larvae cause the economic losses by feeding on the rice roots.
The Louisiana Super Plant program debuted in the fall of 2010 as an ornamental plant marketing program for Louisiana. Its purpose is to benefit all sectors of the nursery and landscape industry in Louisiana.
Rice yield reductions caused by panicle blighting have long been a sporadic and chronic problem in the southern United States including Louisiana, Arkansas, Texas and Mississippi.
A bowl of cereal can be a great way forschool children or anybody to start themorning. Studies show cereal eaters have better nutrient intakes, said LSU AgCenter nutritionist Beth Reames.
In July 2011, the U.S. Environmental Protection Agency Office of Water senta memo to all of its Regional Offices urging them to work with states to investigatea Certainty Framework for Agricultural Producers.
LAFAYETTE, La. – Louisiana’s First Lady honored a Lake Charles woman on Aug. 25,2011, for her volunteer work with 4-H.
While agricultural engineering has traditionally been employed for large scale monitoring, application and production,many new discoveries at smaller scales are improving our knowledge and application in agriculture.
Louisiana is the largest producer of crawfish in the United States, where some 1,200 farmers harvest in excess of110 million pounds of crawfish annually from about 184,000 acres of ponds.
A recent study examined the preferencesof Louisiana farmers and crop consultants related to acquiring agricultural information. A secondary purposeof the study was to determine how farmers perceived LSU AgCenter information sources on accuracy, awareness and usefulness.
The Internet allows people access to a vast amount of information in a wide variety of formats at considerably lower costs in much shorter time than ever before. The Internet has removed geographical and time constraints ininformation gathering.
If you drive by a field of Jazzman rice, its pleasant, nutty aroma is unmistakable.For farmers, the pleasant fragrance is the smell of money.
The United States is one of the largest rice exporters in the world with about half its annual production going overseas. Meanwhile, about 12 percent of domestic rice consumption comes from imports, and the majority of those are Jasmine rice from Thailand and Vietnam.
Forests in the United States represent 751 million acres of private and public land. This figure has remained relatively stable since 1910.
Growing high-cash-value vegetable crops under cover can exceed expectations. Europeans and Canadians are producing most of their fresh-market vegetables in greenhouses.
During 2010, farms in 14 parishes commercially grew vegetables in 3.4 acres of greenhouse space, up slightly from 2009.
The art and science of plant breeding has evolved much since it was first practiced during the early stages of crop domestication. This study compares breeders' estimates with observed yields.
John Russin has been appointed the interim vice chancellor for the LSU AgCenter and the interim director of the Louisiana Agricultural Experiment Station.
The LSU AgCenter has received a$115,000 grant from the Walton Family Foundation
The 2010 Dietary Guidelines, released in January 2011 by the U.S. Department of Agriculture and the Department of Health and Human Services, are the first to address the U.S. problem of too many over weight or obese adults, according to LSU AgCenter nutritionist Beth Reames.
Annual bluegrass and henbit are the most common and frequently targeted weeds in Louisiana wheat. Ryegrass is the most challenging weed to manage in Louisiana wheat and is increasing in abundance.
Weed management decisions in rice often drive the overall production system. Economic considerations determine the specific herbicides a producer will include in a weed management program.
Farmers from across the Midsouth,along with researchers from the LSU AgCenter and several other universities, met Feb.1-2, 2011, to share techniques and ideas at the National Conservation Cotton and Rice Conference.
These articles were published in the winter 2011 issue of Louisiana Agriculture Magazine.
Table of Contents for WInter 2011 edition of Louisiana AgMag
Ben Legendre, professor and head of the LSU AgCenter Audubon Sugar Institute at St. Gabriel, has received the 2010-2011 President’s Award from the American SugarCane League.
It’s tough to become a Super Plant. But once a plant gets that designation, it will be promoted as an ideal plant for Louisiana.
She rarely cracked a smile during her hour-long presentation, but internationally renowned animal scientist Temple Grandin cracked up the audience many times with her wry observations on the food industry.
Paclitaxel, which is isolated from the bark of the Pacific yew, is a chemotherapeutic, intravenous drug produced under the names of Taxol and Abraxane.
David Boethel’s last day of work at the LSU AgCenter was Jan. 7, 2011. He retired as the Vice Chancellor for Research and Director of the Louisiana Agricultural Experiment Station, a post he held for the last six years of his 36-year career with the AgCenter.
Hessian fly is one of the most destructive pests of wheat worldwide. This pest was first detected in the United States on Long Island, N.Y., in 1778, and is thought to have been introduced to this country by the Hessian soldiers during the Revolutionary War.
Table on the occurrence of Hessian fly and grain yield of 26 common what varieties in Louisiana. Content relates to Lousiana Agriculture Winter 2011 issue, article on page 15
Red rice is one of the most trouble some weeds of rice in the South. Because of genetic similarities, controlling red rice with traditional rice herbicides has been unsuccessful.
Baseline data is needed to help forest and agricultural producers determine their role in the rapidly growing biofuel and energy sector, including small and medium-sized producers.
Friends, family and former co-workersof Rouse Caffey gathered Feb. 10 at the Rice Research Station in Crowley to celebrate the naming of a new rice variety in his honor.
Corn producers who raised corn before the introduction of Roundup Ready varieties are aware of the interaction between sulfonylurea herbicides and soil-applied organophosphate insecticides,which were in use then.
This map shows the Louisiana parishes and Mississippi counties targeted for study of biofuel profitability.
The establishment of a local farmers market poses many challenges for stakeholders. In particular, operators of and suppliers to farmers markets should pay particular attention to the fresh produce shopping habits of the millennials, individuals born in the 1980s and 1990s.
Louisiana Agriculture Magazine
Louisiana Agriculture Magazine
Louisiana Agriculture Magazine
Aquaculture is a nearly half-billion dollar per year industry in Louisiana. Many aquaculture systems include water filtration to protect fish and maintain water quality, enhancing productivity and the environment.
About 40 percent of the nation’s coastal wetlands are in Louisiana and include contiguous freshwater wetlands, contiguous brackish wetlands, and low and high salt marshes. These natural ecosystems are highly productive and serve as critical nursery areas for Gulf of Mexico sea life, ensuring a thriving marine and fisheries industry.
Population growth and urbanization over the last century have raised concerns about stormwater runoff and the environmental impact of the pollutants it may carry, such as fertilizer from home lawns and recreational turf areas.
With an annual statewide-average rainfall of approximately 60 inches per year, only Hawaii receives more rain on an average statewide basis. Louisiana’s proximity to the Gulf of Mexico is the primary source for the state’s rains and makes her just slightly wetter than her central Gulf Coast sisters, Mississippi and Alabama – and notably wetter than Florida
Trying to keep the University Lakes in Baton Rouge clean and healthy is a goal of LSU AgCenter researcher Yi Jun Xu, associate professor in the School of Renewable Natural Resources.
Runoff from highway rights-of-way can be difficult to manage. Following extended rainfall duration and short periods of high intensity rainfall water, seepage on sloping soils commences and becomes the dominant mechanism that initiates runoff and erosion.
The quality of water resources is a major concern in Louisiana and nationally. Surface and subsurface water quality depends in large part on human activities in the surrounding areas.
Managing and restoring coastal wetlands requires knowledge of wetland conditions and the factors creating the desired conditions. Flooding stress, nutrient starvation and salinity stress are the most likely suspects in wetlands that have higher loss rates or appear less productive than typical wetlands.
Crawfish study in mecocosms begins, Birders flock to south Louisiana, Field day shows dairy business from 'cow to cone.'
The LSU AgCenter conducts extension programs to inform Louisiana citizens about water resources and ecosystem policy, protection and conservation.
As the largest bottomland hardwood swamp ecosystem in the United States, the Atchafalaya River Basin offers a tremendous diversity of terrestrial and aquatic habitats that support many economically and recreationally important activities including oil and gas extraction, shipping, farming, timber harvesting, hunting, and commercial and recreational fishing.
Saltwater intrusion into rice production has been a cause for concern in southwest Louisiana for decades. But storm surges from recent hurricanes coupled with recent droughts have brought this problem to the forefront.
Water is an essential resource for aquaculture. No single factor influences the success of aquaculture operations more than the availability of good-quality water.
Tidal surges from hurricanes Katrina, Rita, Gustav and Ike deposited enormous amounts of salt in the sugarcane fields of coastal Louisiana in a period of active tropical weather from 2005 to 2008.
Most agricultural producers who irrigate are using older diesel power units and old wells where upgrading to newer wells and diesel engines or electric motors needs to be technically and economically evaluated.
Water quality describes the chemical, physical and biological properties of water. It embodies many complex characteristics including temperature, dissolved oxygen and other gases
Dissolved oxygen (DO) is an important indicator for water quality in surface water bodies. Like most terrestrial organisms, fish and many other aquatic organisms are adapted to a narrow range of DO concentrations.
THORNWELL, La. – Birdwatchers from 23 states and two countries converged on rice fields in Jefferson Davis Parish to get a glimpse of the small, elusive bird called the yellow rail.
A system to test various aspects of crawfish biology and culture has recently been completed at the South Unit of the Rice Research Station in Crowley.
For an urban university, it may be a well-kept secret that some of the best dairy products in Louisiana are produced on the LSU campus.
In addition to being the showplace for home building ideas, the LSU AgCenter’s LaHouse in Baton Rouge also serves as a model for a sustainable home landscape.
In 2011, Texas experienced a severe drought that state officials declared as the worst on record. Sustained dry, hot conditions caused fires and damage to the ranching and farming industry, as well as placed a strain on the state’s recreational hunting and fishing sector.
Flooding from Hurricane Katrina has resulted in federal and state mandates to raise levees in New Orleans and surrounding parishes.
The Mississippi-Atchafalaya River carries a large quantity of nutrients, making Louisiana’s estuarine and coastal waters highly productive for commercial fisheries.
Louisiana Agriculture Magazine
The mantra of the environmental movement reads – Reuse, Reduce, Recycle. In this regard, the ancient farming practice of land application of animal waste is an environmental trifecta – excreta is reused as a fertilizer, thereby reducing the application of inorganic fertilizer while recycling organic matter back into the soil.
Louisiana Agriculture Magazine
Seed quality ratings of selected soybean varieties at R8 and after 40 days of field weathering, Macon Ridge Research Station, 2010.
Table 1. Relationship between seed quality and pod color among selected soybean varieties grown on the Dean Lee Research Station in 2010.
Seedling disease
Sensory tests of a mayonnaise-like product made from soy protein and rice bran oil got high marks from a consumer study in which people were asked to taste and evaluate the product developed by LSU AgCenter researchers.
For crops to grow, essential plant nutrients must be available in sufficient and correct proportions in the soil. Nutrients that crops need in the largest amounts, such as nitrogen, phosphorus and potassium, are the most limiting and often deficient in most crop production systems.
The most yield-limiting and economically important soybean pest across the southern United States is a complex of stink bugs. Historically, the most common species in this complex had been the green stink bug, southern green stink bug and the brown stink bug.
Red crown rot disease
Purple seed stain disease
Progress is being made, but research continues on the redbanded stink bug problem in soybeans across the state of Louisiana.
SHREVEPORT, La. – A Brazilian weevil that feeds on giant salvinia is a biological control for the invasive species that has been taking over water bodies in Louisiana since it was first discovered in the state in the Toledo Bend reservoir in 1999.
