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Fruit growers looking at new pest control options


By MITCH LIES



Capital Press



AURORA, Ore. -- It's not yet labeled for use, but Oregon State University integrated pest management specialist Joe DeFrancesco, said blueberry growers may soon have a control option for symphylans in non-bearing blueberries.



The industry is close to obtaining a label for Mocap, DeFrancesco said. The Amvac Chemical Corp. insecticide-nematicide has good activity on the pest, and could help blueberry growers get plants off to a good start, DeFrancesco said.



The pests, known commonly as garden centipedes, can slow blueberry plant development by feeding on the roots of young plants.



To date, no effective control is available for the pests, DeFrancesco said.



Mocap contains the active ingredient ethoprop.



DeFrancesco said Amvac could have a label in place for non-bearing blueberries by this fall.



"Used judiciously, when symphylan counts are high in a young field, this would give the grower and option to get those plants off to a good start," DeFrancesco said.



DeFrancesco also announced recently than caneberry and blueberry growers could soon have access to the FMC product Spartan herbicide.



The federal Environmental Protection Agency established tolerances for Spartan, or sulfentrazone, in caneberries and blueberries in early July, DeFrancesco said. But the product's manufacturer, FMC, has yet to issue a label.



Also, DeFrancesco said, caneberry growers have a new miticide in Kanemite, an Arysta LifeScience product that was registered on caneberries in early July.



"This one is in a new resistance class, 20B, so it would be a good product to rotate in caneberries if you have a mite problem," DeFrancesco said.



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