Effect of Foliar Application of Carbofuran and a Related Compound on Plant-parasitic Nematodes under Greenhouse and Growth Chamber Conditions
Abstract
Greenhouse and growth chamber studies were made to investigate the downward systemic nematicidal activity of carbofuran and its analog 2,3-dihydro-2,2-dimethyl-7-benzofuranyl [(di-n-butyl)-4-aminosulfenyl] carbamate against Meloidogyne incognita, Tylenchorhynchus claytoni, and Pratylenchus penetrans. Oxamyl was used as standard in tests with T. claytonl. Both carbofuran and its analog reduced all three plant-parasitic species when plant foliage was sprayed with chemical suspension of 1,200, 2,400 or 4,800 ppm. The studies show that fewer chemical applications were required to reduce populations of P. penetrans than to reduce populations of T. claytoni. Oxamyl was somewhat less active than either carbofuran or its analog. Key words: nonfumigants, nematicides, Meloidogyne incognita, Tylenchorhynchus claytoni, Pratylenchus penetrans, systemic nematicides, oxamyl, carbofuran analog.Downloads
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