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Traitements nématicides et peuplement de nématodes parasites de la canne à sucre au Burkina Faso. 1. Repousses

Patrice Cadet 1 Jean Thioulouse 2 
2 Ecologie quantitative et évolutive des communautés
Département écologie évolutive [LBBE]
Abstract : Nematicides and nematode community parasitic on sugarcane in Burkina Faso. 1. Ratoon cane Triadic analysis of three ways tables provides a means for studying the effect of nematicide treatments applied on sugarcane ratoons upon nematodes populations dynamics, by taking into account the between-plots variability of nematodes numbers. Only fumigation applied before planting has markedly reduced the size of the community. The treatments applied in ratoons next years has only a moderate effect upon nematode multiplication. For al! the treatments that we have compared, the size of the community tends to increase from ratoon to ratoon. Oxamyl, carbofuran and aldicarb, employed in ratoon, modify the balance between endoparasitic populations; their application is followed by the formation of a community dominated by Meloidogyne and Pratylenchus at the end of the crop. However, on the control, after the second ratoon the populations of Paratylenchus, Hoplo/aimus and Heterodera become more important than the populations of Meloidogyne and Pratylenchus. Helicotylenchus is more influenced by seasonal fluctuations than by treatments.
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  • HAL Id : hal-03602913, version 1
  • IRD : fdi:27747

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Patrice Cadet, Jean Thioulouse. Traitements nématicides et peuplement de nématodes parasites de la canne à sucre au Burkina Faso. 1. Repousses. Revue de Nématologie, 1989, 12 (1), pp.35-44. ⟨hal-03602913⟩

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