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Occurrence of Meloidogyne arenaria in black pepper (Piper nigrum L.) in the extreme south of the State of Bahia, Brazil

R. A. De Souza

R. A. De Souza

Federal University of Espirito Santo, Department of AgronomyAlegre-ES, Brazil
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De Souza, R. A.
, 
F. R. Alves

F. R. Alves

Federal University of Espirito Santo, Department of AgronomyAlegre-ES, Brazil
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Alves, F. R.
, 
C. M. G. De Oliveira

C. M. G. De Oliveira

Biological Institute Alameda dos Vidoeiros, 1097, CampinasSP, Brazil
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De Oliveira, C. M. G.
, 
J. M. O. Rosa

J. M. O. Rosa

Biological Institute Alameda dos Vidoeiros, 1097, CampinasSP, Brazil
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Rosa, J. M. O.
, 
J. De Assis Pinheiro

J. De Assis Pinheiro

Federal University of Espirito Santo, Department of AgronomyAlegre-ES, Brazil
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De Assis Pinheiro, J.
, 
G. P. De Aguiar

G. P. De Aguiar

State University of Montes Claros, Department of Agrarian Sciences, JanaúbaMG, Brazil
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De Aguiar, G. P.
 and 
W. B. Moraes

W. B. Moraes

Federal University of Espirito Santo, Department of AgronomyAlegre-ES, Brazil
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Moraes, W. B.
  
Jun 08, 2021
Occurrence of Meloidogyne arenaria in black pepper (Piper nigrum L.) in the extreme south of the State of Bahia, Brazil's Cover Image
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Article Category: Research Note
Published Online: Jun 08, 2021
Page range: 213 - 216
Received: May 20, 2020
Accepted: Dec 04, 2020
DOI: https://doi.org/10.2478/helm-2021-0015
Keywords
© 2021 R. A. De Souza, F. R. Alves, C. M. G. De Oliveira, J. M. O. Rosa, J. De Assis Pinheiro, G. P. De Aguiar, W. B. Moraes, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig. 1

(A) Weakened black pepper plants grown in the municipality of Itabela in the extreme south of Bahia; (B) Roots with gall symptoms induced by gall nematodes. Photo: Rafael Assis de Souza.
(A) Weakened black pepper plants grown in the municipality of Itabela in the extreme south of Bahia; (B) Roots with gall symptoms induced by gall nematodes. Photo: Rafael Assis de Souza.

Fig. 2

(A) Anterior region of the males and (B) Perineal configuration of the characteristic females of Meloidogyne arenaria.
(A) Anterior region of the males and (B) Perineal configuration of the characteristic females of Meloidogyne arenaria.

Fig. 3

Phenotype of polyacrylamide gel esterase, characteristic of Meloidogyne arenaria, obtained from females of the nematode of galls extracted from black pepper roots. Mj = M. javanica (standard); 2 to 7 = M. arenaria
Phenotype of polyacrylamide gel esterase, characteristic of Meloidogyne arenaria, obtained from females of the nematode of galls extracted from black pepper roots. Mj = M. javanica (standard); 2 to 7 = M. arenaria

Number of second stage juveniles (J2) and eggs of Meloidogyne arenaria obtained in 10 g of root from black pepper cv_ Kottanadan roxa and Bragantina in cultivation areas in the extreme south of the state of Bahia, BA_

Area 1‘Kottanadan Roxa’ Area 2‘Kottanadan Roxa’ Area 3‘Bragantina’
root root root
J2 5600 5300 5000
eggs 5600 4300 3100
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