Results 41 to 50 of about 605 (140)

Pest categorisation of Citrus leprosis viruses [PDF]

open access: yes, 2017
The EFSA Panel on Plant Health performed a pest categorisation of the Citrus leprosis viruses for theEU territory and identifiedfive distinct viruses,Citrus leprosis virus C(CiLV-C),Citrus leprosis virus C2(CiLV-C2),Hibiscus green spot virus 2 ...
Alan MacLeod   +24 more
core   +1 more source

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

open access: yesJournal 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

Phenology of development and population characteristics of the small spruce bark beetle Ips amitinus (Eichh.) in the Karkonoski National Park [PDF]

open access: yesFolia Forestalia Polonica, Seria A - Forestry, 2013
In the years 2005- 2006, in the Karkonoski National Park there were conducted observations on infestation of spruce trees by bark beetles (Col., Curculionidae, Scolytinae). Data on bark beetle species composition and frequency of occurrence of individual species were collected.
Mazur, Andrzej, Kuźmiński, Robert
openaire   +2 more sources

Spruce windfalls and cambioxylophagous fauna in an area with the basic and outbreak state of Ips typographus

open access: yesJournal of Forest Science, 2006
In spruce windfalls incurred in the autumn and winter season the synusia of cambioxylophagous fauna was evaluated in the profile of a whole stem and crown branches according to the species spectrum, tree cover and intensity of attack.
E. Kula, W. Ząbecki
doaj   +1 more source

Pest categorisation of tomato leaf curl New Delhi virus

open access: yesEFSA Journal, Volume 18, Issue 7, July 2020., 2020
Abstract Following a request from the European Commission, the Panel on Plant Health performed a pest categorisation on tomato leaf curl New Delhi virus (ToLCNDV). ToLCNDV is a well‐defined bipartite Begomovirus species, sometimes associated with satellite molecules. It is transmitted by Bemisia tabaci to a wide range of hosts. ToLCNDV is reported from
EFSA Panel on Plant Health (PLH)   +23 more
wiley   +1 more source

Pest categorisation of Longidorus diadecturus [PDF]

open access: yes, 2017
The Panel on Plant Health performed a pest categorisation of Longidorus diadecturus (Nematoda: Longidoridae) for the EU. The nematode is a well-defined taxon and was described from Ontario, Canada and later reported from some states in the USA.
Alan MacLeod   +22 more
core   +1 more source

Pest categorisation of Xiphinema californicum [PDF]

open access: yes, 2017
The Panel on Plant Health performed a pest categorisation of Xiphinema californicum (Nematoda: Longidoridae) for the EU. The nematode is a well-defined taxon belonging to a group of morphologically similar species called Xiphinema americanum sensu lato ...
Alkemade   +29 more
core   +1 more source

Pest categorisation of Anthonomus quadrigibbus [PDF]

open access: yes, 2018
The Panel on Plant Health performed a pest categorisation of the weevil Anthonomus quadrigibbus Say, (Coleoptera: Curculionidae), for the EU. A. quadrigibbus is a well-de fi ned and distinguishable species, recognised as an occasional pest of ...
Alan MacLeod   +22 more
core   +3 more sources

Management des Borkenkäfers Ips typographus L. im Nationalen Naturschutzgebiet Praded in der Tschechischen Republik [PDF]

open access: yes, 2008
Eine viel diskutierte Frage zwischen Forstwissenschaftlern und der Forstverwaltung ist die folgende: Auf welchen Flächen können wir den natürlich ablaufenden Prozessen freien Raum geben?
Cudlin, Pavel, Plasil, Pavel
core  

Pest categorisation of Scirtothrips aurantii [PDF]

open access: yes, 2018
The Panel on Plant Health performed a pest categorisation of the South African citrus thrips, Scirtothrips aurantii Faure (Thysanoptera: Thripidae), for the European Union (EU).
Alan MacLeod   +22 more
core   +2 more sources

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