Swollen shoot disease of cacao in Togo: early detection of virus strains in the trees
Counts of ovules per ovary enable latent infection with severe strains of swollen shoot virus to be detected in cacao trees. The number of ovules is lower in flowers from infected trees than from healthy ones and is higher in trunk flowers than in those on the branches, the reverse of the difference found in healthy trees. The distribution of ovules in trees infected with avirulent strains was not affected. Changes in ovule numbers were found only 1 month after inoculation with virulent virus and decreased progressively in subsequent months, more rapidly in flowers from branches than from the trunk.
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Subjects: | H20 - Maladies des plantes, Theobroma cacao, virus des végétaux, http://aims.fao.org/aos/agrovoc/c_7713, http://aims.fao.org/aos/agrovoc/c_5985, http://aims.fao.org/aos/agrovoc/c_7801, |
Online Access: | http://agritrop.cirad.fr/539147/ http://agritrop.cirad.fr/539147/1/document_539147.pdf |
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dig-cirad-fr-5391472024-01-28T15:12:49Z http://agritrop.cirad.fr/539147/ http://agritrop.cirad.fr/539147/ Swollen shoot disease of cacao in Togo: early detection of virus strains in the trees. Partiot Michel, Posnette A.F.. 1983. In : Proceedings of the Twelfth International Symposium on Fruit tree virus diseases, Vancouver, Canada, June 17-26, 1982. Hansen A.J. (ed.). ISHS. Wageningen : ISHS [Pays-Bas], 67-69. (Acta Horticulturae, 130) ISBN 978-90-66051-11-9 International Symposium on Fruit Tree Virus Diseases. 12, Vancouver, Canada, 17 Juin 1982/26 Juin 1982. Swollen shoot disease of cacao in Togo: early detection of virus strains in the trees Partiot, Michel Posnette, A.F. eng 1983 ISHS [Pays-Bas] Proceedings of the Twelfth International Symposium on Fruit tree virus diseases, Vancouver, Canada, June 17-26, 1982 H20 - Maladies des plantes Theobroma cacao virus des végétaux http://aims.fao.org/aos/agrovoc/c_7713 http://aims.fao.org/aos/agrovoc/c_5985 Togo http://aims.fao.org/aos/agrovoc/c_7801 Counts of ovules per ovary enable latent infection with severe strains of swollen shoot virus to be detected in cacao trees. The number of ovules is lower in flowers from infected trees than from healthy ones and is higher in trunk flowers than in those on the branches, the reverse of the difference found in healthy trees. The distribution of ovules in trees infected with avirulent strains was not affected. Changes in ovule numbers were found only 1 month after inoculation with virulent virus and decreased progressively in subsequent months, more rapidly in flowers from branches than from the trunk. conference_item info:eu-repo/semantics/conferenceObject Conference info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/539147/1/document_539147.pdf application/pdf Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html http://catalogue-bibliotheques.cirad.fr/cgi-bin/koha/opac-detail.pl?biblionumber=196953 http://catalogue-bibliotheques.cirad.fr/cgi-bin/koha/opac-detail.pl?biblionumber=181281 |
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H20 - Maladies des plantes Theobroma cacao virus des végétaux http://aims.fao.org/aos/agrovoc/c_7713 http://aims.fao.org/aos/agrovoc/c_5985 http://aims.fao.org/aos/agrovoc/c_7801 H20 - Maladies des plantes Theobroma cacao virus des végétaux http://aims.fao.org/aos/agrovoc/c_7713 http://aims.fao.org/aos/agrovoc/c_5985 http://aims.fao.org/aos/agrovoc/c_7801 |
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H20 - Maladies des plantes Theobroma cacao virus des végétaux http://aims.fao.org/aos/agrovoc/c_7713 http://aims.fao.org/aos/agrovoc/c_5985 http://aims.fao.org/aos/agrovoc/c_7801 H20 - Maladies des plantes Theobroma cacao virus des végétaux http://aims.fao.org/aos/agrovoc/c_7713 http://aims.fao.org/aos/agrovoc/c_5985 http://aims.fao.org/aos/agrovoc/c_7801 Partiot, Michel Posnette, A.F. Swollen shoot disease of cacao in Togo: early detection of virus strains in the trees |
description |
Counts of ovules per ovary enable latent infection with severe strains of swollen shoot virus to be detected in cacao trees. The number of ovules is lower in flowers from infected trees than from healthy ones and is higher in trunk flowers than in those on the branches, the reverse of the difference found in healthy trees. The distribution of ovules in trees infected with avirulent strains was not affected. Changes in ovule numbers were found only 1 month after inoculation with virulent virus and decreased progressively in subsequent months, more rapidly in flowers from branches than from the trunk. |
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H20 - Maladies des plantes Theobroma cacao virus des végétaux http://aims.fao.org/aos/agrovoc/c_7713 http://aims.fao.org/aos/agrovoc/c_5985 http://aims.fao.org/aos/agrovoc/c_7801 |
author |
Partiot, Michel Posnette, A.F. |
author_facet |
Partiot, Michel Posnette, A.F. |
author_sort |
Partiot, Michel |
title |
Swollen shoot disease of cacao in Togo: early detection of virus strains in the trees |
title_short |
Swollen shoot disease of cacao in Togo: early detection of virus strains in the trees |
title_full |
Swollen shoot disease of cacao in Togo: early detection of virus strains in the trees |
title_fullStr |
Swollen shoot disease of cacao in Togo: early detection of virus strains in the trees |
title_full_unstemmed |
Swollen shoot disease of cacao in Togo: early detection of virus strains in the trees |
title_sort |
swollen shoot disease of cacao in togo: early detection of virus strains in the trees |
publisher |
ISHS [Pays-Bas] |
url |
http://agritrop.cirad.fr/539147/ http://agritrop.cirad.fr/539147/1/document_539147.pdf |
work_keys_str_mv |
AT partiotmichel swollenshootdiseaseofcacaointogoearlydetectionofvirusstrainsinthetrees AT posnetteaf swollenshootdiseaseofcacaointogoearlydetectionofvirusstrainsinthetrees |
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1792496665891962880 |