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| 3. |  | GRÜNEBERG, W. J.; MA. D.; MWANGA, R. O. M.; CAREY, E. E.; HUAMANI, F.; DIAZ, F.; EYZAGUIRRE, R.; GUAF, M.; JUSUF, M.; SONG, Y.-S.; KARUNIAWAN, A.; TJINTOKOHADI, K.; ANIL, S. R.; SHOFIUR RAHAMAN, E. H. M.; HOSSAIN, M.; ATTALURI, S.; SOME, K.; AFUAPE, S.; ADOFO, K.; LUKONGE, E.; KARANJA, L.; NDIRIGWE, J.; SSEMAKULA, G.; AGILI, S.; RANDRIANAIVOARIVONY, J. M.; CHIONA, M.; CHIPUNGU, F.; LAURIE, S.; RICARDO, J.; ANDRADE, M.; FERNANDES, F. R.; MELLO, A. F. S.; KHAN, A.; LABONTE, D. R.; YENCHO, G. C. Advances in sweetpotato breeding from 1993 to 2012. In: LOW, J.; NYONGESA, M.; QUINN, S.; PARKER, M. (Ed.). Potato and sweetpotato in Africa: transforming the value chains for food and nutrition security. Wallingford: Cabi, 2015. p. 1-77.| Biblioteca(s): Embrapa Hortaliças. |
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Registro Completo
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Biblioteca(s): |
Embrapa Algodão. |
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Data corrente: |
03/03/2017 |
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Data da última atualização: |
03/03/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 5 |
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Autoria: |
FAUSTINE, C.; HOFFMANN, L. V.; TIBAZARWA, F. I.; LUKONGE, E. |
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Afiliação: |
CRISTOPHER FAUSTINE, THE OPEN UNIVERSITY OF TANZANIA; LUCIA VIEIRA HOFFMANN, CNPA; FLORA ISMAIL TIBAZARWA, TANZANIA COMMISSION FOR SCIENCE AND TECHNOLOGY; EVERINA LUKONGE, UKIRIGURU AGRICULTURAL RESEARCH INSTITUTE. |
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Título: |
Screening of selected brazilian and tanzanian cotton (Gossypium spp.) cultivars for Fusarium wilt resistance. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Journal of Experimental Biology and Agricultural Sciences, v. 4, n. 5, August, 2016. |
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ISSN: |
2320-8694 |
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DOI: |
10.18006/2016.4(5).548.553 |
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Idioma: |
Inglês |
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Conteúdo: |
Fusarium wilt of cotton caused by Fusarium oxysporum f.sp. vasinfectum Atk. Sny & Hans is one of the major diseases of cotton in Tanzania. Resistant varieties provide useful tools for management of this disease. Varieties developed at Lake Zone Agricultural Research and Development Institute with previous records of resistance are currently susceptible in areas with high level of inoculums warranting the need to search for additional sources of resistance. Further, cotton varieties of Brazil indicate some level of resistance against F. oxysporum f. sp. vasinfectum that can be exploited in breeding programmes. In present study, four varieties from Brazil and three from Tanzanian were screened under greenhouse conditions for resistance to Fusarium wilt. A population of 40 plants per variety was inoculated with a crude inoculum of F. oxysporum f. sp. vasinfectum by root - dip method. Randomized complete block design was used with four replications. Resistance was evaluated on basis of foliar symptoms (disease severity index) and plant survival percentage. Further, all plants showing wilting symptoms were examined for vascular discoloration. Among various tested varieties, two cultivars from Brazil (Ipê and Aroeira) had relatively lower disease severity index and higher plant survival, these results suggesting their potential candidature for use in br eeding programmes for Fusarium wilt resistance. On the other hand, two local cultivars (UK91 and UK08) presented the highest disease severity index and lowest plant survival. MenosFusarium wilt of cotton caused by Fusarium oxysporum f.sp. vasinfectum Atk. Sny & Hans is one of the major diseases of cotton in Tanzania. Resistant varieties provide useful tools for management of this disease. Varieties developed at Lake Zone Agricultural Research and Development Institute with previous records of resistance are currently susceptible in areas with high level of inoculums warranting the need to search for additional sources of resistance. Further, cotton varieties of Brazil indicate some level of resistance against F. oxysporum f. sp. vasinfectum that can be exploited in breeding programmes. In present study, four varieties from Brazil and three from Tanzanian were screened under greenhouse conditions for resistance to Fusarium wilt. A population of 40 plants per variety was inoculated with a crude inoculum of F. oxysporum f. sp. vasinfectum by root - dip method. Randomized complete block design was used with four replications. Resistance was evaluated on basis of foliar symptoms (disease severity index) and plant survival percentage. Further, all plants showing wilting symptoms were examined for vascular discoloration. Among various tested varieties, two cultivars from Brazil (Ipê and Aroeira) had relatively lower disease severity index and higher plant survival, these results suggesting their potential candidature for use in br eeding programmes for Fusarium wilt resistance. On the other hand, two local cultivars (UK91 and UK08) presented the highest dise... Mostrar Tudo |
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Palavras-Chave: |
Cotton cultivars; Fusarium wilt resistance. |
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Thesaurus NAL: |
Brazil; disease severity; Tanzania. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/156954/1/Screening-of-selected-brazilian.pdf
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Marc: |
LEADER 02306naa a2200241 a 4500
001 2065942
005 2017-03-03
008 2016 bl uuuu u00u1 u #d
022 $a2320-8694
024 7 $a10.18006/2016.4(5).548.553$2DOI
100 1 $aFAUSTINE, C.
245 $aScreening of selected brazilian and tanzanian cotton (Gossypium spp.) cultivars for Fusarium wilt resistance.$h[electronic resource]
260 $c2016
520 $aFusarium wilt of cotton caused by Fusarium oxysporum f.sp. vasinfectum Atk. Sny & Hans is one of the major diseases of cotton in Tanzania. Resistant varieties provide useful tools for management of this disease. Varieties developed at Lake Zone Agricultural Research and Development Institute with previous records of resistance are currently susceptible in areas with high level of inoculums warranting the need to search for additional sources of resistance. Further, cotton varieties of Brazil indicate some level of resistance against F. oxysporum f. sp. vasinfectum that can be exploited in breeding programmes. In present study, four varieties from Brazil and three from Tanzanian were screened under greenhouse conditions for resistance to Fusarium wilt. A population of 40 plants per variety was inoculated with a crude inoculum of F. oxysporum f. sp. vasinfectum by root - dip method. Randomized complete block design was used with four replications. Resistance was evaluated on basis of foliar symptoms (disease severity index) and plant survival percentage. Further, all plants showing wilting symptoms were examined for vascular discoloration. Among various tested varieties, two cultivars from Brazil (Ipê and Aroeira) had relatively lower disease severity index and higher plant survival, these results suggesting their potential candidature for use in br eeding programmes for Fusarium wilt resistance. On the other hand, two local cultivars (UK91 and UK08) presented the highest disease severity index and lowest plant survival.
650 $aBrazil
650 $adisease severity
650 $aTanzania
653 $aCotton cultivars
653 $aFusarium wilt resistance
700 1 $aHOFFMANN, L. V.
700 1 $aTIBAZARWA, F. I.
700 1 $aLUKONGE, E.
773 $tJournal of Experimental Biology and Agricultural Sciences$gv. 4, n. 5, August, 2016.
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Embrapa Algodão (CNPA) |
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