Results 261 to 270 of about 334,100 (310)

Incorporating plant species diversity in cropping systems for pest and disease risk management [PDF]

open access: yes, 2012
Avelino, Jacques   +6 more
core  

A recent ash dieback infection neither affects emerald ash borer performance nor triggers a substantial systemic phytochemical defense response in European ash. [PDF]

open access: yesJ Pest Sci (2004)
Eisenring M   +9 more
europepmc   +1 more source

Using process models, remote sensing and spectrometry to open scientific locks in agroforestry systems: the example of coffee in Costa Rica [PDF]

open access: yes, 2014
Albrecht, Alain   +14 more
core  
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Boron translocation in coffee trees

Plant and Soil, 2006
Boron deficiency in coffee trees (Coffea arabica) is widespread, however, responses to B fertilizer have been erratic, depending on the year, method, and time of application. A better understanding of B uptake, distribution, and remobilization within the plant is important in developing a rational fertilization program. Field and greenhouse experiments
Leite, Vagner M.   +2 more
openaire   +2 more sources

THE HAITIAN COFFEE TREE CRICKET

The Journal of Agriculture of the University of Puerto Rico, 1931
Resumen en inglés.
Charles H. Arndt, Herbert L. Dozier
openaire   +1 more source

Redistribution of Fungicides in Coffee Trees

Experimental Agriculture, 1973
SUMMARYUsing coffee trees sprayed with cuprous oxide and captafol it has been shown that both fungicides are redistributed within the tree canopy by rain. Under conditions of light rain fungicides are removed from upper parts of trees and redeposited at lower levels within the canopy in amounts capable of providing effective protection against coffee ...
J. L. Pereira   +3 more
openaire   +1 more source

Genetically modified coffee trees resistant to the coffee leaf miner, Perileucoptera coffeella

1999
A synthetic version of the Bacillus thuringiensis cry1Ac gene was used in transformation of coffee species (Coffea canephora and Coffea arabica) to confer resistance to an important pest in South America and East Africa, the coffee leaf miner (Perileucoptera coffeella and other Leucoptera spp.).
Leroy, Thierry   +12 more
openaire   +2 more sources

DNA Markers for Coffee Tree Breeding

2000
Coffee cultivation in the world has benefited greatly from the successful breeding programmes, which have given the farmers productive cultivars adapted to specific cropping conditions. For example, presently in Brazil the improved arabica coffee cultivars (Coffea arabica L.) produces three to four times more than the cultivars used in the past ...
openaire   +1 more source

The Kentucky Coffee Tree (Bymnocladus canadensis)

1900
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

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