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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
14/10/1999 |
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Data da última atualização: |
25/05/2023 |
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Autoria: |
WANG, H.-L.; YEH, S.-D.; CHIU, R.-J.; GONSALVES, D. |
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Afiliação: |
Department of Plant Protection; Department of Plant Pathology; University, Taichung, Taiwan, Republic of China. |
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Título: |
Effectiveness of Cross-Protection by mild mutants of Papaya ringspot virus for control of ringspot disease of Papaya in Taiwan |
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Ano de publicação: |
1987 |
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Fonte/Imprenta: |
Plant Disease, v.71, n.6, p.491-497, 1987 |
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Idioma: |
Inglês |
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Conteúdo: |
Two mild nitrous acid-induced mutants (PRV HA 5-1 and 6-1) of papaya ringspot virus (PRV) were tested under greenhouse and field conditions to study the potential of cross-protection for control of papaya ringspot disease of papaya in Taiwan. Under greenhouse conditions, both mutants caused only mild or symptomless infection on test plants in Chenopodiaceae and Cucurbitaceae families and on the major papaya cultivar of Taiwan, Tannung No.2. Also, under greenhouse conditions, HA5-1 and HA 6-1 provided a high degree of protection in papaya against the severe effects of two prevalent PRV strains of Taiwan. Large numbers of papaya seedlings were infected by applying inocula with a spray gun (equipped with a 1.2-mm-diameter nozzle), using pressures of 4-8kg/cm2 at distances of 10-20cm. |
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Thesagro: |
Mamão. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01311naa a2200169 a 4500
001 1648343
005 2023-05-25
008 1987 bl uuuu u00u1 u #d
100 1 $aWANG, H.-L.
245 $aEffectiveness of Cross-Protection by mild mutants of Papaya ringspot virus for control of ringspot disease of Papaya in Taiwan$h[electronic resource]
260 $c1987
520 $aTwo mild nitrous acid-induced mutants (PRV HA 5-1 and 6-1) of papaya ringspot virus (PRV) were tested under greenhouse and field conditions to study the potential of cross-protection for control of papaya ringspot disease of papaya in Taiwan. Under greenhouse conditions, both mutants caused only mild or symptomless infection on test plants in Chenopodiaceae and Cucurbitaceae families and on the major papaya cultivar of Taiwan, Tannung No.2. Also, under greenhouse conditions, HA5-1 and HA 6-1 provided a high degree of protection in papaya against the severe effects of two prevalent PRV strains of Taiwan. Large numbers of papaya seedlings were infected by applying inocula with a spray gun (equipped with a 1.2-mm-diameter nozzle), using pressures of 4-8kg/cm2 at distances of 10-20cm.
650 $aMamão
700 1 $aYEH, S.-D.
700 1 $aCHIU, R.-J.
700 1 $aGONSALVES, D.
773 $tPlant Disease$gv.71, n.6, p.491-497, 1987
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Registro original: |
Embrapa Mandioca e Fruticultura (CNPMF) |
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