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Effect of Crotalaria Spectabilis and Two Nematicides, On Numbers of Meloidogyne Incognita and Helicotylenchus Dihystera

Effect of Crotalaria Spectabilis and Two Nematicides, On Numbers of Meloidogyne Incognita and... EFFECT OF CROTALARIA SPECTABILIS AND TWO NEMATICIDES, ON NUMBERS OF MELOIDOGYNE INCOGNITA AND HELICOTYLEN- CHUS DIHYSTERA BY C. S. HUANG1), R. C. V. TENENTE3), F. C. C. DA SILVA2) and J. A. R. LARA2) 1) Dept. de Biologia Vegetal, 2) Dept. de Engenharia Agronômica, Universidade de Brasília and 3) CENAGREN de Brasília, EMBRAPA, Brasilia, DF, Brazil An experiment in an infested field indicated that Crotalaria spectabilis at 17 or 34 plants/m2, Nemagon 20G (granular formulation with 20% dibromochloropropane) at 3, 6, or 9 g/m2, or Basamid (powder formulation with 85 % dazomet at 25, 50 or 75 g/m2, decreased numbers of Meloidogyne incognita juveniles by 90% within 2 months. During the first 2 months after planting, C. spectabilis did not decrease numbers of Helicotylenchus dihystera, whereas Basamid at all three rates and Nemagon at 6 and 9 g/m2 decreased numbers by approximately 90%. Nemagon at 3 g/m2 gave less than 50% control of H. dihystera. Okra (Hibiscus esculentus) grown for 6 months on land previously treated with Basamid or Nemagon doubled numbers of M. incognita compared with untreated land planted with the same crop. No such increase occurred in land planted with C. spectabilis for 2 months followed http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nematologica Brill

Effect of Crotalaria Spectabilis and Two Nematicides, On Numbers of Meloidogyne Incognita and Helicotylenchus Dihystera

Huang, C.S.; Tenente, R.C.V.; Da Silva, F.C.C.; Lara, J.A.R.
Nematologica , Volume 27 (1): 5 – Jan 1, 1981
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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0028-2596
eISSN
1875-2926
DOI
10.1163/187529281X00016
Publisher site
See Article on Publisher Site

Abstract

EFFECT OF CROTALARIA SPECTABILIS AND TWO NEMATICIDES, ON NUMBERS OF MELOIDOGYNE INCOGNITA AND HELICOTYLEN- CHUS DIHYSTERA BY C. S. HUANG1), R. C. V. TENENTE3), F. C. C. DA SILVA2) and J. A. R. LARA2) 1) Dept. de Biologia Vegetal, 2) Dept. de Engenharia Agronômica, Universidade de Brasília and 3) CENAGREN de Brasília, EMBRAPA, Brasilia, DF, Brazil An experiment in an infested field indicated that Crotalaria spectabilis at 17 or 34 plants/m2, Nemagon 20G (granular formulation with 20% dibromochloropropane) at 3, 6, or 9 g/m2, or Basamid (powder formulation with 85 % dazomet at 25, 50 or 75 g/m2, decreased numbers of Meloidogyne incognita juveniles by 90% within 2 months. During the first 2 months after planting, C. spectabilis did not decrease numbers of Helicotylenchus dihystera, whereas Basamid at all three rates and Nemagon at 6 and 9 g/m2 decreased numbers by approximately 90%. Nemagon at 3 g/m2 gave less than 50% control of H. dihystera. Okra (Hibiscus esculentus) grown for 6 months on land previously treated with Basamid or Nemagon doubled numbers of M. incognita compared with untreated land planted with the same crop. No such increase occurred in land planted with C. spectabilis for 2 months followed

Journal

Nematologica – Brill

Published: Jan 1, 1981

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