Results 91 to 100 of about 128,714 (208)

Do Pesticide Hazards to Human Health and Beneficial Insects Cause or Result from IPM Adoption? Mixed Messages from Farmer Field Schools in Nicaragua [PDF]

open access: yes
This paper analyzes the interaction between farmer training in pest management and effects on acute pesticide poisoning and populations of beneficial insects in Nicaragua.
Labarta, Ricardo A., Swinton, Scott M.
core   +1 more source

Volatile Organic Compounds from the Clone Populus x canadensis “Conti” Associated with Megaplatypus mutatus Attack

open access: yesPsyche: A Journal of Entomology, 2014
Megaplatypus mutatus (Chapuis) (Coleoptera, Platypodidae) is an ambrosia beetle native to South America. It builds internal galleries that weaken the tree trunks, causing them severe stem breakage and mortality in commercial poplar plantations.
Alejandro Lucia   +2 more
doaj   +1 more source

Búsqueda y reconocimiento de los enemigos naturales y hospedantes alternos de las principales plagas. En flores bajo invernadero en la sabana de Bogotá

open access: yesActa Biológica Colombiana, 1989
Las plagas que atacan cultivos de llores bajo invernadero son cada vez más importantes por la gravedad de su daño y por la alta densidad con que suelen presentarse.
Martha E. Andrade   +3 more
doaj  

Dynamical System and Nonlinear Regression for Estimate Host-Parasitoid Relationship

open access: yesJournal of Applied Mathematics, 2010
The complex relationships of a crop with the pest, its natural enemies, and the climate factors exist in all the ecosystems, but the mathematic models has studied only some components to know the relation cause-effect.
Ileana Miranda Cabrera   +2 more
doaj   +1 more source

La Plaga

open access: yes, 2016
Treballs de l'alumnat del Grau de Comunicació Audiovisual, Facultat de Biblioteconomia i Documentació, Universitat de Barcelona, [De la idea a la pantalla]. Curs: 2016-2017, Tutor: Josep Rovira.
Castellví Santiago, Aaron Quim   +1 more
openaire   +1 more source

Boston University Symphony Orchestra, May 2, 2000 [PDF]

open access: yes, 2000
This is the concert program of the Boston University Symphony Orchestra featuring Concerto/ Aria Competition Winners performance on Tuesday, May 2, 2000 at 8:00 p.m., at the Tsai Performance Center, 685 Commonwealth Avenue.
School of Music, Boston University
core   +1 more source

EVALUATION OF INSECTICIDES FOR PEST CONTROL IN MANGO (Mangifera indica L.) IN TIERRA CALIENTE, GUERRERO, MEXICO

open access: yesTropical and Subtropical Agroecosystems, 2017
The mango crop is attacked by various pests, in Arcelia, Tierra Caliente, Guerrero, Mexico. Scale insects (Hemiptera) and thrips (Thysanoptera) were identified, the pesticides imidacloprid, spinosad, sulfur and mineral oil were tested against them, as ...
Yuridia Duran   +6 more
doaj  

Efecto de cultivos en asocio Pepino (Cucumis sativus L.), Pipian (Cucurbita pepo L.) y frijol de vara (Vigna unguiculata L. walp), en la ocurrencia poblacional de insectos plagas, beneficos y el rendimiento en Tisma, Masaya [PDF]

open access: yes, 2008
El presente estudio se realizó con el objetivo de comparar el efecto que tiene el sistema en asocio de cultivos sobre la ocurrencia poblacional de insectos plagas, benéficos y el uso equivalente de la tierra. El estudio se estableció en la finca “Berlín”,
Angulo Rivas, Leydy Karelia   +1 more
core  

Effect of replanting systems on populations of Strategus aloeus (L.) and Rhynchophorus palmarum (L.) associated with the oil palm OxG interspecific hybrid (Elaeis oleifera × Elaeis guineensis) in Southwestern Colombia

open access: yesAgronomía Colombiana, 2014
The oil palm replanting process produces a large amount of organic matter that, as it begins to decompose, becomes a breeding ground for various pests, including Strategus aloeus and Rhynchophorus palmarum.
Rodrigo Andrés Ávila   +3 more
doaj   +1 more source

Ecological Aspects and Conservation of Wild Grapevine Populations in the S.W. of the Iberian Peninsula [PDF]

open access: yes, 2004
Populations of wild grapevine, Vitis vinifera L. subsp. sylvestris (Gmelin) Hegi, were discovered in S.W. of the Iberian Peninsula over the last years. Location, ecological aspects, sanitary characteristics, including the ELISA test to detect specific
Cantos Barragán, Manuel   +5 more
core  

Home - About - Disclaimer - Privacy