Results 31 to 40 of about 463,585 (275)

Pest risk assessment of Atropellis spp. for the EU territory

open access: yesEFSA Journal, 2017
Following a request from the European Commission, the EFSA Plant Health (PLH) Panel performed a risk assessment for Atropellis spp. in the EU focusing on the risk of entry, the host range and the potential impacts.
EFSA Panel on Plant Health (PLH)   +24 more
doaj   +1 more source

Análise da influência do traço nas propriedades do compósito cimento-madeira

open access: yesRevista Principia, 2017
Os compósitos de cimento com adição de madeira apresentam vantagens, quando comparados a outros materiais convencionais da construção civil, como resistência à água, ao fogo e aos agentes deterioradores.
Alessandra Monique Weber   +3 more
doaj   +1 more source

Sensitization to Casuarina equisetifolia and Pinus spp Pollen in Patients with Allergic Rhinitis and Asthma in Mexico City

open access: yesRevista Alergia México, 2014
Background: Pollinosis studies at Mexico City have found a considerable amount of Casuarina equisetifolia and Pinus spp pollen, its sensitization frequency is unknown.
Andrea Aída Velasco-Medina   +1 more
doaj   +1 more source

Carga tributária para produção de madeira de pinus spp / Tax charge for wood production of pinus spp

open access: yesRevista Brasileira de Planejamento e Desenvolvimento, 2017
O nível de tributação sobre as empresas e pessoas físicas no Brasil está posicionado em um patamar elevado, chegando a inviabilizar certos negócios. Devido à dificuldade de mensurar a carga tributária e seu efeito sobre a rentabilidade do empreendimento florestal, impossibilita visualizar os reais gastos de âmbito tributário.
Leandro Da Silva Bargas   +2 more
openaire   +2 more sources

Two new species of Leptographium associated with Tomicus spp. infesting Pinus spp. in Southwestern China

open access: yesInternational Journal of Systematic and Evolutionary Microbiology, 2020
Leptographium panxianense and L. puerense are proposed as new taxa based on sequence data and morphological characters. The phylogenetic analyses based on ITS2-partial LSU rDNA region, β-tubulin and elongation factor 1-α genes showed that L. panxianense and L.
Yue, Pan   +6 more
openaire   +2 more sources

Three new Lasiodiplodia spp. from the tropics, recognized based on DNA sequence comparisons and morphology [PDF]

open access: yes, 2006
Botryosphaeria rhodina (anamorph Lasiodiplodia theobromae) is a common endophyte and opportunistic pathogen on more than 500 tree species in the tropics and subtropics.
Mohali, S.   +12 more
core   +2 more sources

Hyperparasitoids of Xenostigmus bifasciatus (Hymenoptera: Braconidae), parasitoid of Cinara spp. (Hemiptera: Aphididae), in Pinus plantations in Brazil [PDF]

open access: yesBrazilian Journal of Biology
Hyperparasitoidism can reduce the biological control of Cinara spp. (Hemiptera: Aphididae) in Pinus (Gymnospermae: Pinaceae) plantations in Brazil. Cinara atlantica (Wilson, 1919) and Cinara pinivora (Wilson, 1919), introduced into Brazil in the 1990s ...
N. C. Oliveira   +9 more
doaj   +2 more sources

Caliciopsis moriondi, a new species for a fungus long confused with the pine pathogen C. pinea [PDF]

open access: yesMycoKeys, 2020
The genus Caliciopsis (Eurotiomycetes, Coryneliales) includes saprobic and plant pathogenic species. Caliciopsis canker is caused by Caliciopsis pinea Peck, a species first reported in the 19th century in North America.
Duccio Migliorini   +10 more
doaj   +3 more sources

Mycorrhizal colonization and phenolic compounds accumulation on roots of Eucalyptus dunnii maiden inoculated with ectomycorrhizal fungi [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2000
Compatibility between Eucalyptus dunnii and the ectomycorrhizal fungi Hysterangium gardneri and Pisolithus sp. - from Eucalyptus spp. -, Rhizopogon nigrescens and Suillus cothurnatus - from Pinus spp.-, was studied in vitro. Pisolithus sp., H.
EDUARDO LUIZ VOIGT   +2 more
doaj   +1 more source

Characterization of Pinus ectomycorrhizas from mixed conifer and pygmy forests using morphotyping and molecular methods [PDF]

open access: yes, 2001
We used morphotyping and molecular methods to characterize ectomycorrhizas of bishop pine (Pinus muricata D. Don) and Bolander pine (Pinus contorta ssp.
Bidartondo, MI   +2 more
core   +1 more source

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