Selection of resistant rootstocks to Meloidogyne enterolobii and M. incognita for okra ( Abelmoschus esculentus L. Moench)

ABSTRACT The okra (Abelmoschus esculentus L. Moench) is one of the most important vegetables in the world and is a popular food item in many tropical and subtropical countries. Besides its cultivation for fresh consumption, okra also has potential industrial uses. Nonetheless, pests and diseases rem...

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Autores principales: Vinícius-Marin,Marcus, Santos,Lucas S., Gaion,Lucas A., Rabelo,Hudson O., Franco,Carolina A., Diniz,Guilherme M.M., Silva,Edgard H.C., Braz,Leila T.
Lenguaje:English
Publicado: Instituto de Investigaciones Agropecuarias, INIA 2017
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392017000100007
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spelling oai:scielo:S0718-583920170001000072017-11-09Selection of resistant rootstocks to Meloidogyne enterolobii and M. incognita for okra ( Abelmoschus esculentus L. Moench)Vinícius-Marin,MarcusSantos,Lucas S.Gaion,Lucas A.Rabelo,Hudson O.Franco,Carolina A.Diniz,Guilherme M.M.Silva,Edgard H.C.Braz,Leila T. Gossypium hirsutum grafting nematode plant parasites root-knot scion ABSTRACT The okra (Abelmoschus esculentus L. Moench) is one of the most important vegetables in the world and is a popular food item in many tropical and subtropical countries. Besides its cultivation for fresh consumption, okra also has potential industrial uses. Nonetheless, pests and diseases remain the most damaging factors affecting its crop yield. Among these, root-knot nematodes are the main pests limiting okra production. This study aimed to determine the responses of plant species of the Malvaceae family to Meloidogyne incognita and M. enterolobii root-knot nematodes, and to also assess the compatibility of the same with the okra commercial 'Colhe Bem IAC'. Resistance was evaluated using the reproduction factor in two commercial okra cultivars ('Colhe Bem IAC' and 'Santa Cruz 47'), five cotton (Gossypium hirsutum L.) plant genotypes (PRO 277, IAC 29-233, PR 136, IAC 24, and IAC 03-979), and vinagreira (Hibiscus sabdariffa L.) Other resistance-related traits measured were the percentage of healing, plant height, root length, rootstock stem diameter, scion stem diameter, number of leaves, total fresh weight, and fresh weight of the scion, rootstock, and root parts. While the cotton and vinagreira genotypes tested were resistant to both species of nematodes, okra cultivars were not. The okra, however, showed successful adaptation to grafting, which may offer an important physical resistance against attacks by root-knot nematodes, while vinagreira showed the greatest potential for use as rootstock for protecting okra crops.info:eu-repo/semantics/openAccessInstituto de Investigaciones Agropecuarias, INIAChilean journal of agricultural research v.77 n.1 20172017-03-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392017000100007en10.4067/S0718-58392017000100007
institution Scielo Chile
collection Scielo Chile
language English
topic Gossypium hirsutum
grafting
nematode
plant parasites
root-knot
scion
spellingShingle Gossypium hirsutum
grafting
nematode
plant parasites
root-knot
scion
Vinícius-Marin,Marcus
Santos,Lucas S.
Gaion,Lucas A.
Rabelo,Hudson O.
Franco,Carolina A.
Diniz,Guilherme M.M.
Silva,Edgard H.C.
Braz,Leila T.
Selection of resistant rootstocks to Meloidogyne enterolobii and M. incognita for okra ( Abelmoschus esculentus L. Moench)
description ABSTRACT The okra (Abelmoschus esculentus L. Moench) is one of the most important vegetables in the world and is a popular food item in many tropical and subtropical countries. Besides its cultivation for fresh consumption, okra also has potential industrial uses. Nonetheless, pests and diseases remain the most damaging factors affecting its crop yield. Among these, root-knot nematodes are the main pests limiting okra production. This study aimed to determine the responses of plant species of the Malvaceae family to Meloidogyne incognita and M. enterolobii root-knot nematodes, and to also assess the compatibility of the same with the okra commercial 'Colhe Bem IAC'. Resistance was evaluated using the reproduction factor in two commercial okra cultivars ('Colhe Bem IAC' and 'Santa Cruz 47'), five cotton (Gossypium hirsutum L.) plant genotypes (PRO 277, IAC 29-233, PR 136, IAC 24, and IAC 03-979), and vinagreira (Hibiscus sabdariffa L.) Other resistance-related traits measured were the percentage of healing, plant height, root length, rootstock stem diameter, scion stem diameter, number of leaves, total fresh weight, and fresh weight of the scion, rootstock, and root parts. While the cotton and vinagreira genotypes tested were resistant to both species of nematodes, okra cultivars were not. The okra, however, showed successful adaptation to grafting, which may offer an important physical resistance against attacks by root-knot nematodes, while vinagreira showed the greatest potential for use as rootstock for protecting okra crops.
author Vinícius-Marin,Marcus
Santos,Lucas S.
Gaion,Lucas A.
Rabelo,Hudson O.
Franco,Carolina A.
Diniz,Guilherme M.M.
Silva,Edgard H.C.
Braz,Leila T.
author_facet Vinícius-Marin,Marcus
Santos,Lucas S.
Gaion,Lucas A.
Rabelo,Hudson O.
Franco,Carolina A.
Diniz,Guilherme M.M.
Silva,Edgard H.C.
Braz,Leila T.
author_sort Vinícius-Marin,Marcus
title Selection of resistant rootstocks to Meloidogyne enterolobii and M. incognita for okra ( Abelmoschus esculentus L. Moench)
title_short Selection of resistant rootstocks to Meloidogyne enterolobii and M. incognita for okra ( Abelmoschus esculentus L. Moench)
title_full Selection of resistant rootstocks to Meloidogyne enterolobii and M. incognita for okra ( Abelmoschus esculentus L. Moench)
title_fullStr Selection of resistant rootstocks to Meloidogyne enterolobii and M. incognita for okra ( Abelmoschus esculentus L. Moench)
title_full_unstemmed Selection of resistant rootstocks to Meloidogyne enterolobii and M. incognita for okra ( Abelmoschus esculentus L. Moench)
title_sort selection of resistant rootstocks to meloidogyne enterolobii and m. incognita for okra ( abelmoschus esculentus l. moench)
publisher Instituto de Investigaciones Agropecuarias, INIA
publishDate 2017
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392017000100007
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