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November 2010 Articles

Rural fire safety is important durning summer dry spells
Sweet Potato Growers Remain optimistic about 2010 crop
LSU AgCenter launches Market Maker online Services
Be Wary of Oil Spill Scams
It's Blueberry Season in Louisiana
Selection and Management of Beef Replacement Heifers (Part II)
Producers need the facts about freshwater prawns before jumping in
14 from LSU AgCenter win national communciation awards
Make sure your grilled food is safe
Cattle on feed Report and Summer cattle markets
Take a look at the benefits of Milk
4-Hers Win at State 4-H U
Changes in the Packers and Stockyards Act
Increase Fairness in the Marketing of Livestock and Poultry
USDA Announces Proposed Rule to Increase Fairness in the Marketing of Livestock
United States, Russia Reach Agreement to resume Poultry exports to Russia
Tips to Avoid Heat Stress in Poultry
Marketing Food Specialty Products Online
Wetlands Reserve Program Call for Application
Blueberry Lemon Upside Down Cake
Poultry Loss Contract Grant Assistance Program (PGAP) Louisiana Agricul
Pumpkin Soup Recipe
Pumpkin Cheesecake recipe
Livestock Market News- Situation and Outlook, Week Ending Oct 29, 2010
Benefits available to Honey Producers
LSU AgCenter offering online quality assurance, ethics training for livestock ex
Poultry Waste
Extension of GIPSA Period
Pilgrim's Pride
Master Gardeners told gardening history is important
Reduce Utility Bills with shade trees
Master Gardeners told asving seed preserves heirloom plants
Drink fluids before, during and after physical activity
Louisiana Horse Owners cautioned about rabies
Oil Spill causes concern for cattle along Gulf coast
Beef Sire Selection
Continued from Selection and Management of Beef Replacement Heifers
• Armyworms in Pasture and Turf
Make Plans Now for Fall and Winter Pastures
Interesting Information
Anaplasmosis
Beef Industry featured at Agribusiness Council of La meeting
The South You gotta love it!
Boethel elected Entomological Society fellow for 2010
Doulbling Exports in Five Years
Just Rambling Nov 2010

(46 articles found)

Archives by Months

Armyworms in Pasture and Turf

Armyworms in Pasture and Turf Source: Danny O. Walker, County Extension Agent, Columbia County
In late summer, almost every year, armyworms invade pastures, hay fields, and turfgrass throughout the state. Particularly in pastures and hay fields, damage may be severe before the worms are noticed. The grass is not killed, but hay yield and forage can be reduced to almost nothing over whole fields in extreme cases. The damage to established turf is mostly aesthetic, but newly sodded or sprigged areas can be more severely damaged or even killed. Most of the worms are fall armyworms. The adult moths are active at night and females lay eggs in batches of 50 to several hundred. Eggs hatch in 2 - 10 days, and the young larvae begin to feed on leaf tissue. Damage from small larvae may at first look like skeletonizing, but as the worms grow, the entire leaf is consumed. Armyworms are most active early and late in the day, spending the hotter hours down near the soil in the shade. Larvae feed for 2 to 3 weeks before pupating in the soil. Moths emerge 10 - 14 days later. Few insecticides are labeled for use on armyworms in pastures. The most consistently effective are Lannate and Sevin. Lannate requires a 3-day harvest or 7-day grazing interval. For Sevin, the interval is 14 days. In any case, if the hay is close to ready, cut it before treating. It also helps to increase your spray volume as much as possible, particularly with Sevin on larger worms. Recognize that very large worms are tough to kill and the best option may be to wait until the next generation and target the smaller worms. Sometimes, the next generation will move on and no treatment will be necessary. Turf managers have many more options, and almost every insecticide with caterpillars or armyworms on the label will provide good control. Again, spray volume is important to improve the chance of controlling larger worms. If there is any doubt about whether worms are present, pouring soapy water on the grass (1/2 oz. dishwashing soap/gal.water) will bring them up very quickly.

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