Results 21 to 30 of about 2,680 (218)

Chemical thinning in blue spruce (Picea pungens Engelm.) stands and its effects on cambioxylophagous fauna

Journal of Forest Science, 2010
Chemical thinning was applied in blue spruce (Picea pungens Engelm.) stands by the application of Roundup Klasik and Garlon 4 EC. The thinning efficacy of Garlon 4 EC was negligible, while that of Roundup Klasik reached nearly 100% when the full strength
M. Pop, E. Kula, P. Maňas, R. Kajfosz
doaj   +1 more source

Commodity risk assessment of Juglans regia plants from Turkey

EFSA Journal, Volume 19, Issue 6, June 2021., 2021
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 the plant health risks posed by 2‐year‐old grafted bare rooted plants for ...
EFSA Panel on Plant Health (PLH), Claude Bragard, Katharina Dehnen‐Schmutz, Francesco Di Serio, Marie‐Agnès Jacques, Josep Anton Jaques Miret, Annemarie Fejer Justesen, Alan MacLeod, Christer Sven Magnusson, Panagiotis Milonas, Juan A Navas‐Cortes, Stephen Parnell, Roel Potting, Philippe Lucien Reignault, Hans‐Hermann Thulke, Wopke Van der Werf, Antonio Vicent Civera, Jonathan Yuen, Lucia Zappalà, Andrea Battisti, Hugo Mas, Daniel Rigling, Massimo Faccoli, Giovanni Iacopetti, Alžběta Mikulová, Olaf Mosbach‐Schulz, Fabio Stergulc, Paolo Gonthier   +27 more
wiley   +1 more source

Tendências populacionais da Fauna de Coleópteros do solo sob floresta de terra firme na Amazônia [PDF]

Acta Amazonica, 1978
Resumo A fauna do solo e serapilheira na Reserva Florestal Ducke, perto de Manaus, foi estudada através de amostras semanais durante um período de 19 semanas desde setembro até janeiro.
Norman D. Penny, Jorge R. Arias, Herbert O. R. Schubart   +2 more
doaj   +1 more source

Influence of Feeding with Some Host Plant Types on Certain Biological Activities of Beetle Scolytus amygdali Guér (Coleoptera: Scolytidae) [PDF]

Journal of Plant Protection and Pathology, 2017
The results based on certain biological aspects showed that plum branches were the more attractiveness to Scolytus amygdali Guér beetles, while the pear branches were the least attractiveness.
A. Batt, M. Batt, A. El-Bassiouny
doaj   +1 more source

An improved lure for trapping the bark beetle Dendroctonus armandi (Coleoptera: Scolytinae)

European Journal of Entomology, 2012
The pine bark beetle, Dendroctonus armandi, is a native pest restricted to forests in the Qinling Mountains in China. There was an outbreak of this species there that affected over 0.36 million hectares of pine forest.
Shou-An XIE, Shu-Jie LV
doaj   +1 more source

Phylogeography of the Eurasian pine shoot beetle Tomicus piniperda (Coleoptera: Scolytidae)

European Journal of Entomology, 2004
Tomicus piniperda is a pest in pine stands in Eurasia and is also found in the USA, where it has caused a decline in the abundance of pine since 1992.
Sarah RITZEROW, Heino KONRAD, Christian STAUFFER   +2 more
doaj   +1 more source

Phylogenetic relationships between the European and Asian eight spined larch bark beetle populations (Coleoptera, Scolytidae) inferred from DNA sequences and fungal associates

European Journal of Entomology, 2001
The eight spined larch bark beetles infest various species of Larix in Europe and Asia. Ips cembrae is the only Ips species with larch as its main host. Ips subelongatus, Ips fallax, Ips shinanonensis and Ips cembrae var.
Christian STAUFFER, Thomas KIRISITS, Christa NUSSBAUMER, Roman PAVLIN, Michael J. WINGFIELD   +4 more
doaj   +1 more source

Stevewoodia minutum, a new genus and species of Scolytidae (Coleoptera) From the West Indies. Studies on West Indian Scolytidae (Coleoptera) 6

ZooKeys, 2010
A new genus of Scolytidae (Coleoptera), Stevewoodia, from St. Lucia in the Lesser Antilles, is herein named and described. The type species, Stevewoodia minutum sp. n. is also named. The genus is named in honor of the late Steven L.
Donald Bright
doaj   +1 more source

Preferência de vôo de nove espécies da família scolytidae (Insecta: Coleoptera) na Amazônia Central1 [PDF]

Acta Amazonica, 2001
Neste trabalho foi avaliada a preferência por altura de vôo de nove espécies da família Scolytidae, capturadas com armadilhas Escolitídeo/Curitiba e Marques/Carrano/Abreu, instaladas a 1; 3; 5; 7,5 e 10m de altura na Reserva Florestal Adolpho Ducke, no ...
Raimunda Liége Souza de ABREU, Cláudio Ruy Vasconcelos da FONSECA, José Camilo HURTADO GUERRERO, Estevão Vicente Cavalcanti Monteiro de PAULA   +3 more
doaj   +1 more source

Potential forest pest beetles conveyed to Finland on timber imported from the Soviet Union.

Silva Fennica, 1990
Coniferous timber imported by rail from the Soviet Union in Finland was studied for the presence of potential forest and timber pest beetles. Systematic samples of fourteen lots of pine pulpwood were examined.
Siitonen, Juha
doaj   +1 more source