Results 1 to 10 of about 47 (47)
Net blotch of barley (Hordeum vulgare), caused by Drechslera teres and its effect on yield
Introduction. Barley (Hordeum vulgare) net blotch (MR) causes yield losses estimated between 23 % to 44 %, as well as its malting quality. Objective. To evaluate over time the evolution of net blotch in different malting barley cultivars with and without
A. Petta, M. Lavilla
doaj +1 more source
Diagrammatic scale for the quantification of black spot severity in papaya leaves
Black spot (Asperisporium caricae) is one of the main foliar fungal diseases of papaya crops. This disease acts directly on leaves and fruits causing leaf area reduction and fruit deterioration.
Helenilson Oliveira Francelino +7 more
doaj +1 more source
An application of the theory of probabilities to the study of a priori pathometry.—Part III [PDF]
Abstract (i) Variable Happening.—In Section IX, we commenced by touching upon the necessity of studying the effect of changes in the happening-element, but there dealt only with the case of hypometric happening. We now proceed to examine other changes in this element.
Ross, Ronald, Hudson, Hilda P.
openaire +2 more sources
Uma escala diagramática com cinco níveis: 0,11; 0,51; 2,4; 10,2 e 34,9% foi desenvolvida e validada para quantificar a severidade da mancha-de-micosferela do morangueiro, causado por Mycosphaerella fragariae (Tul.) Lin.
Sergio Miguel Mazaro +5 more
doaj +1 more source
O objetivo deste trabalho foi desenvolver uma escala diagramática para avaliação da severidade da mancha ocular, causada por Kabatiella zeae, em folhas de milho, considerando os limites de severidade mínima e máxima da doença e os níveis intermediários ...
Rubia Cristiani Camochena +2 more
doaj +1 more source
O objetivo deste trabalho foi comparar métodos de caracterização da resistência do cacaueiro (Theobroma cacao) à podridão-parda (Phytophthora palmivora).
Elisa Susilene Lisboa dos Santos +3 more
doaj +1 more source
Uma escala diagramática para quantificar a severidade da bacteriose em folhas de pessegueiro (Prunus persica), causada por Xanthomonas arboricola pv. pruni, foi desenvolvida e validada.
Idemir Citadin +5 more
doaj +1 more source
A diagrammatic scale with six levels (0.1-3.0; 3.1-6.0; 6.1-12.0; 12.1-18.0;18.1-30.0; 30.1-49.0%) was developed, compared, and evaluated along with two other scales to measure the severity of brown eye spots in coffee trees leaves.
Adriano Augusto de Paiva Custódio +5 more
doaj +1 more source
A diagramatic scale to quantify severity of antracnose in Rubus glaucus Benth
: Rubus glaucus Benth, commonly referred to as mora de Castilla, is affected by Colletotrichum acutatum, as it induces anthracnose in many of the plant organs.
Paula Andrea González Patiño +2 more
doaj +1 more source
Diagrammatic scale for measuring severity of gray mould in thornless Castilla blackberry (Rubus glaucus Benth) [PDF]
: Gray mould, caused by the fungus Botrytis cinerea Pers., is a disease that largely affects the crops of Rubus glaucus Benth. (Castilla blackberry) in Colombia.
Sarah Muñoz Arias +2 more
doaj +2 more sources

