Effect of soybean seed treatment with abamectin and thiabendazole on Heterodera glycines
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Data
2014
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Resumo
The option of chemical control of the soybean cyst nematode (SCN) with traditional nematicides has been
unviable, but seed treatment nematicides could be an important tool for management. Abamectin applied at 0, 30,
40, and 50 g ha -1 as a seed treatment together with or without thiabendazole at 20 g ha -1 was studied on a SCN-
resistant and a susceptible soybean cultivar. Abamectin treatment reduced the population density of females
and cysts on the susceptible cultivar BRSGO Luziânia. For combined seed treatments, thiabendazole and
abamectin should only be associated at concentrations of abamectin above 40 g ha -1 . Combinations at lower rates
or thiabendazole without abamectin resulted in a nematode population increase. The resistant cultivar BRSGO
Ipameri yielded the highest, but seed treatment had no effect on yield.
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Chemical control, Soybean cyst nematode, Glycine mac, Resistance, Controle químico, Resistência, Glycine max, Nematoide de cisto da soja
Citação
VITTI, Agnelo J. ; REZENDE NETO, Ulyseu da R.; ARAÚJO, Fernando de G. ; SANTOS, Leonardo de C. ; BARBOSA, Kássia A. G.; ROCHA, Mara R. da. Effect of soybean seed treatment with abamectin and thiabendazole on Heterodera glycines. Nematropica, Bradenton, v. 44, n. 1, p. 74-80, 2014.