Results 21 to 30 of about 331 (95)

Diagrammatic scale for measuring severity of gray mould in thornless Castilla blackberry (Rubus glaucus Benth) [PDF]

open access: yesCiência Rural
: 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

Effects of aldicarb and fungicides on Pratylenchus penetrans populations, root rot and net blotch severity on barley [PDF]

open access: yes, 1995
Les populations du nematode des lésions (Pratylenchus penetrans), lequel produit des lésions nécrotiques dans le cortex racinaire, ont été mesurées dans des parcelles expérimentales d'orge (Hordeum vulgare) en 1988,1989 et 1990. Les nematodes des lésions
Johnston, H.W., Kimpinski, J.
core   +1 more source

Evaluation of interactions between Rhynchosporium secalis and Pyrenophora teres on barley [PDF]

open access: yes, 1995
Les interactions entre le Rhynchosporiumsecalis et le Pyrenophora teres ont été étudiées sur des plantules d'orge (Hordeum vulgare) cultivées dans une serre et dans des chambres de croissance.
Burnett, P.A., Xue, A.G.
core   +1 more source

Components of the indirect effect in vaccine trials: identification of contagion and infectiousness effects [PDF]

open access: yes, 2011
Vaccination of one person may prevent the infection of another either because (i) the vaccine prevents the first from being infected and from infecting the second or because (ii) even if the first person is infected, the vaccine may render the infection ...
Halloran, M. Elizabeth   +2 more
core   +2 more sources

A model for transmission of partial resistance to anti-malarial drugs. [PDF]

open access: yes, 2009
Anti-malarial drug resistance has been identified in many regions for a long time. In this paper we formulate a mathematical model of the spread of anti-malarial drug resistance in the population.
Syafruddin D
core   +1 more source

Systematic description of COVID-19 pandemic using exact SIR solutions and Gumbel distributions [PDF]

open access: yes, 2022
An epidemiological study is carried out in several countries analyzing the first wave of the COVID-19 pandemic using the SIRmodel and Gumbel distribution. The equations of the SIR model are solved exactly using the proper time as a parameter.
Amaro Soriano, José Enrique
core   +3 more sources

An application of the theory of probabilities to the study of a priori pathometry.—Part III [PDF]

open access: yesProceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character, 1917
(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.
openaire   +1 more source

Evaluation of Barley Genotypes Against Spot Blotch Disease in Inner Tarai Region of Nepal [PDF]

open access: yes, 2020
Spot blotch caused by Bipolaris sorokiniana (Sacc. in Sorok.) Shoem. is an important disease of barley (Hordeum vulgare L.). A total of 126 barley genotypes received from Hill Crops Research Program, Kabre, Dolakha having SoluUwa as a susceptible check ...
Gurung, S. (Sukbahadur)   +4 more
core  

Village-scale persistence and elimination of gambiense human African trypanosomiasis [PDF]

open access: yes, 2019
Gambiense human African trypanosomiasis (gHAT) is one of several neglected tropical diseases that is targeted for elimination by the World Health Organization. Recent years have seen a substantial decline in the number of globally reported cases, largely
Davis, Christopher N.   +3 more
core   +1 more source

Does social distancing matter for infectious disease propagation? A SEIR model and Gompertz law based cellular automaton

open access: yes, 2022
In this paper, we present stochastic synchronous cellular automaton defined on a square lattice. The automaton rules are based on SEIR model with probabilistic parameters gathered from real-world data on human mortality and SARS-CoV-2 disease ...
Biernacki, Szymon, Malarz, Krzysztof
core   +1 more source

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