Results 41 to 50 of about 14,062 (227)

Metarhizium Associated with Coffee Seedling Roots: Positive Effects on Plant Growth and Protection against Leucoptera coffeella

open access: yesAgriculture, 2022
Metarhizium species can be mutualistic symbionts of plants. They are able to colonize roots, promote plant growth and provide protection against pests. We previously found Metarhizium robertsii and M.
Mayara L. Franzin   +7 more
doaj   +1 more source

Initial vegetative and reproductive development of coffee cultivars in Vale do Ribeira Paulista

open access: yesSemina: Ciências Agrárias, 2022
This research is related to the performance evaluation of twelve Coffea arabica cultivars in Vale do Ribeira Paulista, in order to generate consistent information for the technical recommendation for cultivation in the region.
Alex Mendonça de Carvalho   +6 more
doaj   +1 more source

Biological control in French Guiana, Guadeloupe and Martinique [PDF]

open access: yes, 2020
Several biological control agents have been introduced successfully in Guyana, and / or Guadeloupe and Martinique: three tachinid dipterans and one hymenopteran for control of sugarcane borers, a ladybird and a hymenopteran parasitoid against the pink ...
Ryckewaert, Philippe   +1 more
core   +1 more source

Web-based CNN Application for Arabica Coffee Leaf Disease Prediction in Smart Agriculture

open access: yesJurnal RESTI (Rekayasa Sistem dan Teknologi Informasi), 2023
In the agriculture industry, plant diseases provide difficulty, particularly for Arabica coffee production. A first step in eliminating and treating infections to avoid crop damage is recognizing ailments on Arabica coffee leaves.
Yazid Aufar   +2 more
doaj   +1 more source

Suitability of leguminous cover crop pollens as food source for the green lacewing Chrysoperla externa (Hagen) (Neuroptera: Chrysopidae). [PDF]

open access: yes, 2006
Diversification of crops with species that provide suitable pollen for predators may reduce pest population on crops by enhancing predator effectiveness.
Euzébio, Denise E.   +4 more
core   +2 more sources

Spray deposition and chemical control of the coffee leaf-miner with different spray nozzles and auxiliary boom [PDF]

open access: yesEngenharia Agrícola, 2016
The coffee crop requires great spray ability to penetrate into the plant canopy during the application of pesticides. The aim of this study was to evaluate the spray deposition on leaves of coffee plants and the chemical control of the leaf miner ...
JEFFERSON GITIRANA NETO   +1 more
doaj   +2 more sources

Bibliography of Sequential Sampling Plans in Insect Pest Management Based on Wald\u27s Sequential Probability Ratio Test [PDF]

open access: yes, 2017
This paper contains 65 references dealing with the development of sequential sampling plans in insect pest management based on Wald\u27s Sequential Probability Ratio Test (SPRT), 25 in forest entomology and 40 in agriculture entomology.
Fowler, Gary W, Lynch, Ann M
core   +2 more sources

Intraspecific trait variation and coordination: Root and leaf economics spectra in coffee across environmental gradients [PDF]

open access: yes, 2017
Hypotheses on the existence of a universal “Root Economics Spectrum” (RES) have received arguably the least attention of all trait spectra, despite the key role root trait variation plays in resource acquisition potential.
de Melo Virginio Filho, Elias   +5 more
core   +1 more source

Deep Learning Ensemble-Based Automated and High-Performing Recognition of Coffee Leaf Disease

open access: yesAgriculture, 2022
Coffee is the world’s most traded tropical crop, accounting for most export profits, and is a significant source of income for the countries in which it is produced.
Damar Novtahaning   +2 more
doaj   +1 more source

Concentrações de fenóis totais nas folhas do cafeeiro durante desenvolvimento dos frutos [PDF]

open access: yes, 2008
Vegetables have a natural defense against external factors synthesizing phenolic compounds, which depends on the maturity stage and on the climate. Total phenol grades were extracted from mature and young coffee leaves and were analyzed in relation to ...
FAVARIN, José Laércio   +3 more
core   +3 more sources

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