1991
DOI: 10.1094/phyto-81-1420
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Development of Yield Loss Models in Relation to Reductions of Components of Soybean Infected withPhakopsora pachyrhizi

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Cited by 93 publications
(70 citation statements)
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“…Lesions may also appear on petioles, pods, and stems (Sinclair & Hartman, 1999). Severely infected plants show early defoliation, compromising pod formation and filling and final grain weight (Yang et al, 1991). Although damages of up to 80% have been attributed to soybean rust, epidemiological studies of this disease in Brazil are still scarce because of its recent introduction.…”
Section: Introductionmentioning
confidence: 99%
“…Lesions may also appear on petioles, pods, and stems (Sinclair & Hartman, 1999). Severely infected plants show early defoliation, compromising pod formation and filling and final grain weight (Yang et al, 1991). Although damages of up to 80% have been attributed to soybean rust, epidemiological studies of this disease in Brazil are still scarce because of its recent introduction.…”
Section: Introductionmentioning
confidence: 99%
“…Syd., destaca-se por seu alto poder destrutivo e pela dificuldade de controle (SOUSA et al, 2007). Plantas severamente infectadas apresentam desfolha precoce, comprometendo a formação, o enchimento e o peso final dos grãos (YANG et al, 1991;MEDICE et al, 2007).…”
Section: Introductionunclassified
“…Em patossistemas semelhantes também se verifica a queda antecipada das folhas com alteração na reserva de nutrientes comprometendo a qualidade dos produtos. Na soja a desfolha diminui o tamanho do grão e em conseqüência reduz o rendimento (Yang et al, 1991), no álamo reduz o volume de madeira (May-De Mio et al, 2006) e no café, resulta em menor vingamento da florada, dos chumbinhos e também seca dos ramos plagiotrópicos (Zambolim et al, 1997 (Caieirão et al, 2001;May-De Mio et al, 2006). Da mesma forma a desfolha teve maior relação com a severidade no primeiro ano do experimento quando as diferenças eram mais evidentes, no segundo ano, com maior inóculo inicial, e a planta mais debilidade a relação fica minimizada.…”
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