Results 41 to 50 of about 4,897 (215)
Commodity risk assessment of Acer palmatum plants grafted on Acer davidii from China
Abstract The European Commission requested the EFSA Panel on Plant Health to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation (EU) 2018/2019 as ‘High risk plants, plant products and other objects’. This Scientific Opinion covers plant health risks posed by 2‐year‐old bare rooted plants for planting of ...
EFSA Panel on Plant Health (PLH) +28 more
wiley +1 more source
O objetivo deste trabalho foi avaliar o comportamento silvicultural e os danos nas cascas das árvores de mogno-africano (Khaya ivorensis A. Chev.) causados por bovinos em sistema silvipastoril, em Paranaíta/MT.
Rubens Marques Rondon Neto +2 more
semanticscholar +1 more source
Fatigue properties of sycamore maple at different load ratios are investigated, and a Haigh diagram is plotted. In addition to servo‐hydraulic testing at 50 Hz, the ultrasonic fatigue testing technique – operating at 20 kHz under tension‐compression loading – is for the first time employed to investigate the fatigue properties of wood.
B.M. Schönbauer +6 more
wiley +1 more source
Des confusions entre espèces préjudiciables à la gestion durable des essences forestières : l'exemple des acajous d'Afrique (Khaya, Meliaceae) [PDF]
Les espèces du genre Khaya procurent l'un des bois les plus prisés du continent africain. Elles sont commercialisées sous l'appellation " acajou d'Afrique " depuis environ deux siècles.
Dipelet Bouka, Gaël Ulrich +5 more
core +1 more source
Abstract The European Commission requested the EFSA Panel on Plant Health to prepare and deliver a scientific opinion on the risk posed by bonsai plants from China consisting of Pinus parviflora grafted on Pinus thunbergii taking into account the available scientific information, including the technical information provided by China.
EFSA Panel on Plant Health (PLH) +28 more
wiley +1 more source
Cancro em mogno africano no estado do Pará
Sintomas de cancro foram observados em plantios de mogno africano, no município de Dom Eliseu, Pará. Os fungos associados aos tecidos sintomáticos foram identificados como Lasiodiplodia theobromae e Fusarium subglutinans.
Célia Regina Tremacoldi +3 more
doaj +3 more sources
Spatial representation of preferred chimpanzee nesting sites and trees at Kom‐Wum Forest Reserve, Cameroon. Abstract Environmental conditions and human activity influence the selection of nest sites by chimpanzees and may have serious conservation implications.
Chefor Fotang +8 more
wiley +1 more source
Grass competition could deferentially affect forest and savanna tree seedling growth, with implications for seedling survival in pyrogenic savannas. We tested hypotheses related to these possible differences and found that competition decreased tree seedling growth and root carbohydrate reserves for both forest and savanna seedlings. A history of grass
Hamza Issifu +9 more
wiley +1 more source
Evaluation of Briquettes Produced from Four Selected Sawdusts Combination at Quaternary Levels [PDF]
The objective of this paper is to evaluate briquettes produced through quaternary level combination of four types of common sawdusts from major wood sources.
Abdulkarim Mayere, Aaron L Shekarau
doaj +1 more source
Potential of a Khaya ivorensis – Alstonia boonei extract combination as antimalarial prophylactic remedy [PDF]
The decoction of the combined stem barks of Khaya ivorensis A. Chev. (Meliaceae) and Alstonia boonei De Wild (Apocynaceae) has a history of use in traditional medicine of central Cameroon for malaria treatment but also for the prevention of the disease.The purpose of this investigation was to determine the antiplasmodial activity of Khaya ivorensis (K)
Roselyne Nzangue Tepongning +9 more
openaire +5 more sources

