Crop Protection 2008
In the second of a four-part series on crop protection, AVG brings you the latest on new fungicides and label changes.
ADVAN LLC
www.advanllc.com
Advan is marketing Contans WG, which consists of Coniothyrium minitans, a parasitic fungus that attacks and destroys Sclerotinia in the soil before conditions induce a white mold outbreak. The product is manufactured by Prophyta Biologischer Pflanzenschutz GmbH of Germany. Contans WG is approved by the Organic Materials Review Institute and is used on a variety of vegetable crops including potatoes, beans, celery, lettuce, snap beans, and dry beans.
Cucurbit growers were given a new disease control option with the federal and California registrations of Sovran (kresoxim-methyl) fungicide for use
in cucurbits, including cantaloupe, chayote, Chinese waxgourd, citron melon, cucumber, gherkin, gourds, Momordica, muskmelon, pumpkin, summer squash, winter squash, watermelon, and zucchini.
CHEMTURA CORP.
www.chemtura.com
• Allegiance Dry (metalaxyl) seed protectant fungicide received labels on garden beets, seed and pod vegetables, black-eyed peas, cowpeas, dill, edible soybeans, field beans, chick peas or garbanzo beans, field peas, garden peas, green beans, kidney beans, lima beans, navy beans, okra, peas, pole beans, snap beans, string beans, wax beans, lentils, and lupines. Allegiance Dry protects against Pythium damping-off and early season Phytophthora.
• Kodiak HB (bacillus subtillis GB03), a biological fungicide for use as a seed treatment, received new crop labels for seed and pod vegetables (green beans, snap beans, lima beans, kidney beans, navy beans, pinto beans, wax beans, pole beans, garden peas, peas, and field beans). The product provides suppression of root diseases caused by Rhizoctonia and Fusarium.
• Latitude seed treatment (imidacloprid, carboxin, metalaxyl) was granted a sweet corn label in 2007. Latitiude protects seeds and seedlings of sweet corn and popcorn against seed and seedling diseases caused by Pythium and Rhizoctonia, plus it provides suppression against seed corn beetle, seed corn maggots, and wireworms.
• Beans were added to the Prevail (carboxin-PCNB-metalaxyl) label in 2007. This product is an Allegiance-Terraclor-Vitavax fungicide that provides protection against Pythium and Rhizoctonia seedling disease complex.
• Protector-D planter box seed treatment fungicide (thiram plus molybdenum) is now labeled for peas, beans, and mung beans. This seed treatment protects against seed and soilborne diseases, such as seedling blights, damping-off, and seed decay organisms.
• Vitaflo-280 (carbathiin and thiram) received a label on beans to go with previous crops including sweet corn. Vitaflo-280 is a combination of a systemic fungicide and a contact fungicide providing plant protection against seed and soilborne seedling diseases including damping-off and seed decay.
FMC Corp.
cropsolutions.fmc.com
Ranman received EPA approval to add pink rot control on potatoes to the existing FIFRA Section 3 Federal label. Ranman can now be used to control pink rot on potato crops throughout the U.S.
SYNGENTA CROP PROTECTION
www.syngentacropprotection-us.com
• EPA has registered Dividend Extreme (difenoconazole) seed treatment fungicide for sweet corn. The product suppresses post-emergent die-back complex and damping-off.
• Two fungicides received brand names. The first is Revus (mandipropamid), a foliar fungicide intended for use on lettuce, brassica crops, onions, and cucurbits. The second fungicide, Inspire, uses a triazole mixture that has proven effective in other countries.
• The California Department of Pesticide Regulation registered Ridomil Gold SL (mefenoxam), a new, translucent formulation of Ridomil Gold EC. The product can be used on a variety of crops including fruiting, cucurbits, leafy, legume, root and tuber vegetables, potatoes, and herbs.
• The postharvest fungicide Scholar SC (fludioxonil) can now be used on yams as well as several fruit crops. Available in a new liquid formulation, the product will be easier to mix and measure and will stay in suspension longer. State registrations for Scholar SC are pending in California and New York.
United Phosphorus Inc.
www.upi-usa.com
Cuprofix, Ultra Cuprofix, Ultra 40 Disperss (mancozeb and copper), Microthiol Disperss (micronized wettable sulfur), and Firewall (streptomycin), products from Cerexagri-Nisso LLC that are now under the United Phosphorus Inc. umbrella, have received organic status. All components of these three formulations are now on the approved list of the USDA National Organic Program.
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