Results 111 to 120 of about 3,081 (222)

SFA Gardens Newsletter, Winter 2008 [PDF]

open access: yes, 2008
https://scholarworks.sfasu.edu/sfa_gardens_newsletters/1029/thumbnail ...
SFA Gardens, Stephen F. Austin State University
core   +1 more source

Influence of soil and topography on defoliation intensity during an extended outbreak of the common pine sawfly (Diprion pini L.) [PDF]

open access: yes, 2017
Insect herbivore disturbances are likely to intensify as a consequence of climate change. In Finland, outbreaks of the common pine sawfly (Diprion pini L.), which feeds on Scots pine (Pinus sylvestris L.) needles, and resulting damage to forests have ...
Blomqvist, Minna   +5 more
core   +1 more source

Pathogenicity of bacterium carried by Bursaphelenchus mucronatus on Pinus yunnanensis

open access: yes浙江大学学报. 农业与生命科学版, 2014
Pine wood nematode (PWN) is a destructive disease to pines. For the research on its pathogenic mechanism, the theory which is about the complex infection of PWN and the bacterium carried by it is recognized. Bursaphelenchus mucronatus is considered as a related species of Bursaphelenchus xylophilus, which may be differentiation with the homologous ...
Li Shujiang, Zhu Tianhui, Zhang Xinghua
openaire   +1 more source

Трансконтинентальные климатические градиенты удельной чистой первичной продукции лесообразующих древесных пород Евразии [PDF]

open access: yes, 2016
На основе сформированной базы данных ЧПП и фитомассы (2242 определений, см.: Usoltsev, 2013) сосняков, лиственничников, елово-пихтарников, березняков, дубня­ков и насаждений Populus (осина и тополи) на территории от Великобритании до Япо­нии и юга Китая ...
Усольцев, В. А.
core  

Electrophysiology and Behavior of Tomicus yunnanensis to Pinus yunnanensis Volatile Organic Compounds Across Infestation Stages in Southwest China

open access: yesForests
Tomicus yunnanensis Kirkendall and Faccoli, a native bark beetle species and key pest of Pinus yunnanensis Franch. in southwestern China, relies on host-derived volatile organic compounds (VOCs) for host selection. To unravel these mechanisms, we collected VOCs from P. yunnanensis trunks across four infestation stages (healthy, early-infested, weakened,
Jinlin Liu   +4 more
openaire   +1 more source

Pharmaceutical Crops: An Overview [PDF]

open access: yes, 2010
Pharmaceutical crops is an ambiguous term used by biologists and chemists for different categories of plants. We define pharmaceutical crops as those cultivated species that are used for extraction or preparation of therapeutic substances such as active ...
Antoun, Mikhail   +5 more
core   +1 more source

Sap flow and water transfer in the Garonne river riparian woodland, France : first results on poplar and willow [PDF]

open access: yes, 2002
This work is the first attempt at using Granier sap sensors on Populus nigra, Populus x euramericana cv I45/51 and Salix alba for the monitoring of sap flows in an active floodplain over two consecutive years.
Lambs, Luc, Muller, Etienne
core   +1 more source

Two new species and a new host record of Hyphomycetes associated with decaying wood in Yunnan Province, China [PDF]

open access: yesMycoKeys
In recent years, there has been certain progress in the research on fungal diversity in Yunnan Province, China, particularly in aquatic habitats. This study introduces two new species, Ellisembia yuxiense and Sporidesmium ailaoshanense, as well as a new ...
Qinfang Zhang   +11 more
doaj   +3 more sources

Species composition, plant cover and diversity of recently reforested wild lands near Dabao Highway in Longitudinal Range-Gorge Region of Yunnan Province, China [PDF]

open access: yes, 2010
Deforestation, over-cultivation and rural growth have severely damaged native vegetation of woodlands along roadsides in the Longitudinal Range-Gorge Region of Yunnan Province.
Cui, BS   +8 more
core   +2 more sources

Effects of different karst fissures and rainfall distribution on the biomass, mineral nutrient elements, antioxidant substances, and photosynthesis of two coniferous seedlings

open access: yesBMC Plant Biology
Background Studying the physiological growth status of Pinus yunnanensis Franch and Pinus elliottii Engelm. seedlings under different karst fissure thicknesses and rainfall distributions is of great significance for the management, vegetation restoration,
Shaojie Zheng   +9 more
doaj   +1 more source

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