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Integrated Weed Control In Transplanted Tomatoes

Author

Listed:
  • Torres-Correa, Luis M.
  • Liu, L.C.
  • Goyal, Megh R.
  • González-Ibáñez, Jaime

Abstract

Two field experiments on tomato, Lycopersicon esculentus Mill. var. Duke, were carried out in 1985. In the first experiment, the herbicides napropamide, bensulide and metribuzin were used either alone or in conjunction with manual weeding or mechanical cultivation. In addition, mechanical cultivation was also integrated with manual weeding. The highest marketable tomato yield was obtained with the hand-weeded control; other treatments where yields did not differ significantly (P > 0.05) from this were metribuzin (1.12 kg ai ha-1) plus manual weeding; napropamide (4.48 kg ai. ha-1) plus manual weeding; and a combination of mechanical, manual, and glyphosate treatments. All sole-herbicide treatments yielded significantly less than the hand-weeded control. In the second experiment, various mulchings with Coffee leaves, sugar-cane trash, rice straw and plastic were used either alone or in conjunction with chemical or manual weeding. The highest marketable tomato yield was obtained with rice straw mulching plus manual weeding; sugar-cane trash mulching plus manual weeding; and plastic mulching plus manual weeding gave yields which were not significantly different from this. The treatments involving mulching plus manual weeding gave significantly better yields that those with mulching alone or mulching plus glyphosate. ----- Dos experimentos de campo fueron llevados a cabo en el ano 1985, utilizando 1.'1 tom ate, t.vcoporsicon escutentum Mill. var, Duke, como el cultivo experimental. En el primer experimento, los herbicidas, naproparnide, bensulide y metribuzin, fueron utilizados, ya sea solos, 0 conjuntamente con 1.'1 deshierbe manual, 0 con el cultivo mccanico. Adicionalrnente el cultivo mecsnico fue tambien integrado con 1.'1 deshierbe manual. EI rendimicnto mas alto de tomate para mercadeo, fue obtenido mediante el control del deshierbe manual. Otros tratarnientos en los cuales los rendirnientos no difirieron significativamente, (P >0.05) del mencionado anteriormente, fueron: metribuzin (J .12 kg ai. ha-l) y el deshierbe manual; naproparnide (4.48 kg ai. ha- 1) mas el desh ierbe manual; y una cornbinacion de tratamienros meclnicos manuales y de g1yphosate. Todos los tratamientos con herbicidas sola mente rindieron significativamente menos que esos con el control manual. En el segundo experirnento, varias coberturas de hojas de cafe, hojarascas de eaiia de azucar, paja del arroz y I:l'minas plasticas, fueron utilisadas ya sean solas 0 conjuntamente con el deshierbe quimico 0 manual. EI rendimiento mas alto de tornate para rnercadeo, fue' obtenido mediante el uso de Ia cobertura de paja de arroz en conjuncidn con el deshierbe manual. Los rendimientos obtenidos con el de hojarasca de cana de azucar en conjuncion con el deshierbe manual y el de cobertura con [{minas plasticas conjuntamente con el deshierbe manual, fueron muy diferentes al anteriormente rnencionado, Los tratamientos involucrando cobertizos y deshierbe manual, dieron mejores rendimientos que aquellos con cobertizos solamente 0 los con cobertizos mas'glyphosate.

Suggested Citation

  • Torres-Correa, Luis M. & Liu, L.C. & Goyal, Megh R. & González-Ibáñez, Jaime, 1985. "Integrated Weed Control In Transplanted Tomatoes," 21st Annual Meeting, September 8-13, 1985, Port of Spain, Trinidad and Tobago 261481, Caribbean Food Crops Society.
  • Handle: RePEc:ags:cfcs85:261481
    DOI: 10.22004/ag.econ.261481
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