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Evaluation efficiency of severity of angular leaf spot in common bean based on diseased and healthy leaf area. Author(s): PARRELLA, R. A. da C.; SANTOS, J. B. dos; PARRELLA, N. N. L. D.; SILVA, D. V. F. e This study compared severity of angular leaf spot in common bean lines, based on the healthy and diseased leaf area, and the graded scale. We used 12 common bean lines in the dry and rainy seasons. Tw... ... Repository: BDPA Publication year: 2013
Phenotypic and genetic variability of fungal isolates associated with the Septoria leaf spot disease of lettuce (Lactuca sativa) in Brazil. Author(s): CABRAL, C. S.; FONSECA, M. E. N.; BOITEUX, L. S.; BARBOZA, E. A.; VELOSO, J. S.; LOURENÇO JUNIOR, V.; REIS, A. Septoria leaf spot is a severe disease of lettuce in tropical and subtropical regions, inducing yield/quality losses and increasing production costs. Globally, Septoria lactucae has been reported as t... ... Repository: BDPA Publication year: 2022
Leaf hyperspectral reflectance as a potential tool to detect diseases associated with vineyard decline. Author(s): JUNGES, A. H.; ALMANÇA, M. A. K.; FAJARDO, T. V. M.; DUCATI, J. R. Grape production in the Serra Gaúcha region, south of Brazil, is severily constrained by several diseases such as the decline and death syndrome caused grapevine trunk (fungal) diseases (GTDs) and the... ... Repository: BDPA Publication year: 2020
Automatic classification of soybean diseases based on digital images of leaf symptoms. Author(s): BARBEDO, J. G. A.; GODOY, C. V. ABSTRACT; This paper presents an algorithm for automatic classification of diseases that produce symptoms in soybean leaves. The algorithm is based on digital image processing techniques and on a modi... ... Repository: BDPA Publication year: 2015
Marker-assisted recurrent selection for pyramiding leaf rust and coffee berry disease resistance alleles in Coffea Arabica L. Author(s): SAAVEDRA, L. M.; CAIXETA, E. T.; BARKA, G. D.; BORÉM, A.; ZAMBOLIM, L.; NASCIMENTO, M.; CRUZ, C. D.; OLIVEIRA, A. C. B. de; PEREIRA, A. A. Abstract: In this study, marker-assisted recurrent selection was evaluated for pyramiding resistance gene alleles against coffee leaf rust (CLR) and coffee berry diseases (CBD) in Coffea arabica. A to... ... Repository: BDPA Publication year: 2023
Varietal differences in the volatile profile of bananas with resistance to black leaf streak disease. Author(s): PENHA, M. F. A.; ALVES, V. C. C.; PINTO, N. O. F.; MAGALHAES, H. C. R.; REIFSCHNEIDER, F. J. B.; GARRUTI, D. dos S. Repository: BDPA Publication year: 2014
Evaluation of black leaf streak disease in banana genotypes in the savannah of Roraima, Brazil. Author(s): SCHURT, D. A.; SOUZA, G. R. de Avaliação da sigatoka-negra em genótipos de banana no cerrado de Roraima. Repository: BDPA Publication year: 2015
Soybean yellow leaf disorder: disease or a particular nutritional imbalance? Author(s): CASTRO, C. de; OLIVEIRA, F. A. de; OLIVEIRA JUNIOR, A. de; FIRMANO, R. F. Repository: BDPA Publication year: 2022
Relationship between NK nutrition and leaf diseases of cotton crop cultivated in Brazilian Cerrado region. Author(s): CARVALHO, M. da C. S.; SUASSUNA, N. D. This study aimed at evaluating the influence of N and K fertilization of cotton (Gossypium hirsutum) on leaf nutrient contents, yield, and severity of leaf spots caused by Ramularia areola and Alterna... ... Repository: BDPA Publication year: 2013
Physico-chemical characterization of banana varieties resistant to black leaf streak disease for industrial purposes. Author(s): GODOY, R. C. B. de; WASZCZYNSKY, N.; SANTANA, F. A.; SILVA, S. de O. e; OLIVEIRA, L. A. de; SANTOS, G. G. dos A cultura da banana tem baixa diversidade genética, tornando a espécie susceptível a doenças dizimadoras como a Sigatoka negra. No entanto, a adoção de novas variedades necessita de avaliações agronôm... ... Repository: BDPA Publication year: 2016

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