Evaluation of fosthiazate (Nemathorin 10G) for the control of nematodes on bananas in Martinique

Chabrier Christian, Hubervic Jules. 2000. Evaluation of fosthiazate (Nemathorin 10G) for the control of nematodes on bananas in Martinique. In : Annual Meeting of Organization of Nematologists of Tropical America, 32, Auburn, Etats-Unis, 16-20 April 2000. s.l. : s.n., 1 p. Annual Meeting of Organization of Nematologists of Tropical America. 32, Auburn, États-Unis, 16 April 2000/20 April 2000.

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Abstract : The efficiency of fosthiazate (Nemathorin ® 10G) was evaluated against plant-parasitic nematodes on bananas in 4 field trials in Martinique. In the first trial, two doses of fosthiazate (2.0 and 3.0 g a.i./mat) were compared with aldicarbe (Temik ® 10G), applied at 2.0 g a.i./mat. In the other studies, fosthiazate at 1.5 and 2.0 g a.i./mat were compared with alternate applications of 3 refèrence nematicides : cadusafos (3.0 g a.i./mat ), aldicarbe (2.0 g a.i./mat ) and fenamifos (3.0 g a.i./mat ). The burrowing nematode, #Radopholus similis#, was the dominant species, followed by the spiral nematode #Helicotylenchus multicinctus# in these 3 experiments while root-knot nematodes, #Meloidogyne# spp. dominate the nematofauna of the fourth trial and were significantly present in all sites. The lance nematode #Hoplolaimus seinhorstii# was only present at one site. Results showed that fosthiazate was as effective as the reference nematicides in two trials and significantly more efficient in the two others in the control of the burrowing nematode, #R. similis#. No difference was observed in the control of #H. multicinctus# while both doses of fosthiazate induced a significantly higher reduction of infestation by #Meloidogyne# spp. and #H. seinhorstii# when present. Thanks to better prevention of fall-over, fosthiazate has increased yield up to 35 % compared to reference plots. (Résumé d'auteur)

Mots-clés Agrovoc : Musa, Nématode des plantes, Lutte antinématode, Nématocide, Radopholus similis, Helicotylenchus multicinctus, Meloidogyne, Hoplolaimus, Aldicarbe

Mots-clés géographiques Agrovoc : Martinique

Classification Agris : H10 - Pests of plants

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