Results 71 to 80 of about 19,057 (214)

Breve revisión sobre características de la cutícula vegetal y penetración de herbicidas

open access: yesCiencia, Docencia y Tecnología, 2006
Se presenta una breve revisión sobre las características de la cutícula de las plantas y su relación con la penetración de los herbicidas, así como los factores que afectan dicha penetración.
María del C. Lallana   +3 more
doaj  

Aportació a l'estudi de la micoflora alpina dels Pirineus (1ª part) [PDF]

open access: yes, 2007
Primer treball dels autors estudiant diferents espècies alpines recol.lectades als Pirineus; s'inclouen descripcions macro i microscòpiques i fotografies.Contribution to the fungal alpine flore of the Pyrenaean range (Part 1).
Josep Ballarà i Noguera, Marcel Bon
core   +1 more source

Hemipteran vectors of stylet‐borne plant viruses: Aphids lead the charge

open access: yesInsect Science, EarlyView.
Among all sap‐feeding hemipterans, aphids stand out by far as the most important vectors of noncirculative plant viruses. Compared to whiteflies and mealybugs, aphids’ highly specialized stylet anatomy and distinct feeding behaviors contribute, together with other features of their biology, to their remarkable efficiency in transmitting stylet‐borne ...
Yu Fu, Stefano Colella, Marilyne Uzest
wiley   +1 more source

Estudos histológicos das células glandulares dos insetos peçonhentos: IV parte: as cerdas dos espinhos da largata de Sibine nesea

open access: yesMemorias do Instituto Oswaldo Cruz, 1956
Descreve-se o órgão urticante das "verugas" do corpo da largata de Sibine nesea. O órgão é formado por uma evaginação da parede do corpo, em forma de um pêlo forte.
Rudolf Barth
doaj   +1 more source

Els Fongs del Parc Natural del Cap de Creus i Serra de Verdera (Girona). I. Espècies xeròfiles de llocs oberts, amb Cistus i gramínies [PDF]

open access: yes, 1998
Primers resultats de l'estudi de les brolles d'estepes, dominades per Cistus monspeliensis i d'altres comunitats no forestals, com timonedes de caps d'ase (Lavandula stoechas) i prats diversos, un d'ells litoral, de la Península del Cap de Creus.
Llimona i Pagès, Xavier   +1 more
core  

Effect of the microbiome on pathogen susceptibility across four Drosophilidae species

open access: yesInsect Science, EarlyView.
Four Drosophilidae species were used to investigate how variation in the host microbiome influences susceptibility to infection. Microbial composition and abundance differed among species and treatments. The effects of microbiome manipulation on host survival were both species‐ and pathogen‐specific.
Hongbo Sun, Ben Longdon, Ben Raymond
wiley   +1 more source

El Género Melanoleuca pat., en las Islas Baleares (España). I. [PDF]

open access: yes, 2016
El genre Melanoleuca Pat., a les Illes Balears (Espanya). I. Se citen onze tàxons dins del gènere Melanoleuca Pat., dels quals vuit són nova citació per a les Illes Balears: M. grammopodia f. macrocarpa Boekhout, M.
Joan Carles Salom   +3 more
core   +1 more source

Extinction Debt Paid Off: The Demise of the European Polecat (Mustela putorius) in NE Iberia

open access: yesIntegrative Zoology, EarlyView.
We studied a vanishing polecat population for a decade, until its ultimate demise, using camera trap and roadkill data, landscape descriptors and dietary and toxicological analyses.Polecat favoured farmland and avoided forests and water bodies occupied by the invasive American mink.
Salvador Salvador   +4 more
wiley   +1 more source

Structure of Kalanchoë pumila Bak. leaves (Crassulaceae DC.)

open access: yesActa Agrobotanica, 2012
The structure of Kalanchoё pumila Bak. was studied with the use of stereoscopic, light, scanning and transmission electron microscopy. It was found that the chlorenchymatic tissue was divided into subepidermal small-celled mesophyll and large-celled ...
Mykhaylo Chernetskyy   +1 more
doaj   +1 more source

Home - About - Disclaimer - Privacy