Results 71 to 80 of about 887 (190)
The CYP51F1 Gene of Leptographium qinlingensis: Sequence Characteristic, Phylogeny and Transcript Levels [PDF]
Leptographium qinlingensis is a fungal associate of the Chinese white pine beetle (Dendroctonus armandi) and a pathogen of the Chinese white pine (Pinus armandi) that must overcome the terpenoid oleoresin defenses of host trees. L. qinlingensis responds to monoterpene flow with abundant mechanisms that include export and the use of these compounds as a
Dai, Lulu +6 more
openaire +2 more sources
Abstract The European Commission requested the EFSA Panel on Plant Health to deliver a risk assessment on the likelihood of pest freedom from regulated EU quarantine pests, with emphasis on Bursaphelenchus xylophilus and its vectors Monochamus spp. of debarked conifer wood chips fumigated with sulfuryl fluoride as proposed by the United States (US) and
EFSA Panel on Plant Health (PLH) +32 more
wiley +1 more source
Detection of Cellulolytic Activity inOphiostomaandLeptographiumspecies by Chromogenic Reaction [PDF]
To understand the ability of producing cellulolytic enzyme activity in the sapstaining fungi, four species of Ophiostoma and two species of Leptographium were investigated in the culture media containing each of cellulose substrates such as CM-cellulose, Avicel and D-cellobiose and each of chromogenic dyes such as Congo-Red, Phenol Red, Remazol ...
Hyun, Min Woo +3 more
openaire +2 more sources
Population Genomics of Leptographium wageneri
This project aims to characterize the population structure and diversity of Leptographium wageneri in western North America. This fungus is the causal organism of black stain root disease of conifers.
USDA Forest Service (14638756)
core
Commodity risk assessment of Betula pendula and Betula pubescens plants from the UK
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 plants of Betula pendula and B.
EFSA Panel on Plant Health (PLH) +32 more
wiley +1 more source
Pest categorisation of non‐EU Scolytinae on non‐coniferous hosts
Abstract The EFSA Panel on Plant Health performed a group pest categorisation for the EU territory of non‐EU Scolytinae (Coleoptera: Curculionidae) on non‐coniferous hosts, which total 6495 known species. Most species attack apparently healthy, weakened or dead trees, either feeding on the phloem (‘bark beetles’ subgroup) or on fungi inoculated into ...
EFSA Panel on Plant Health (PLH) +30 more
wiley +1 more source
The larch bark beetle (Ips subelongatus), which occurs in larch plantations over a vast area of eastern Asia, infects both dying and fallen trees. When its population reaches a high density, the beetle may also infect healthy trees, resulting in tree ...
Zhang, Xing-Yao +5 more
core +1 more source
A new species of Ophiostoma with a Leptographium anamorph from Larch in Japan [PDF]
Recent surveys of felled Larix logs infested with Ips cembrae in the Mount Fuji area of Japan have yielded numerous ophiostomatoid fungi. One of these Ophiostoma species superficially resembles Ophiostoma penicillatum in having allantoid ascospores with sheaths.
Westhuizen, K. van der +4 more
openaire +3 more sources
High intercontinental migration rates and population admixture in the sapstain fungus Ophiostoma ips [PDF]
Ophiostoma ips is a common fungal associate of various conifer-infesting bark beetles in their native ranges and has been introduced into non-native pine plantations in the Southern Hemisphere.
ANNIE YART +35 more
core +1 more source
Pathogenicity to Douglas-fir of Ophiostoma pseudotsugae and Leptographium abietinum, fungi associated with the Douglas-fir beetle [PDF]
Pole-size Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) were inoculated with two fungi (Ophiostoma pseudotsugae (Rumb.) von Arx and Leptographium abietinum (Peck) Wingf.) associated with the Douglas-fir beetle (Dendroctonus pseudotsugae Hopkins) to ...
Ross, Darrell W., Solheim, Halvor
core +6 more sources

