Root system formation in scotch pine (Pinus sylvestris L.) under conditions of technogenesis (Ufa Industrial Center)

2005 ◽  
Vol 36 (2) ◽  
pp. 127-130 ◽  
Author(s):  
G. A. Zaitsev ◽  
A. Yu. Kulagin
Keyword(s):  
Pinus Sylvestris ◽  
Root System ◽  
Scotch Pine ◽  
System Formation ◽  
Industrial Center

scholarly journals Bioindication of atmospheric air quality based on the condition of Pinus sylvestris l. Needles in the conditions of the city of Orsk, Orenburg region

2021 ◽  
Vol 2 (44) ◽  
pp. 3-3
Author(s):  
Alexander Saakian ◽  
◽  
Keyword(s):  
Air Pollution ◽  
Pinus Sylvestris ◽  
Morphological Characteristics ◽  
Southern Urals ◽  
Pine Needles ◽  
The Southern Urals ◽  
Atmospheric Air ◽  
Orenburg Region ◽  
The City ◽  
Industrial Center

The article presents the results of a bioindication study of atmospheric air pollution on the condition of pine needles (Pinus sylvestris L.) on the example of the city of Orsk, Orenburg region. The city of Orsk is a major industrial center of the Southern Urals. The research was carried out on 6 sites located within the city with different anthropogenic loads. The research method is based on the direct dependence of damage to Pinus sylvestris L. needles (necrosis and desiccation) on the level of atmospheric air pollution. Analyzed the morphological characteristics of the needles of Pinus sylvestris L. in the studied areas. The result of the study is an assessment of the state of atmospheric air. Keywords: BIOINDICATION, SCOTS PINE, NEEDLES, AIR POLLUTION, ORSK CITY, ORENBURG REGION

scholarly journals Growth stimulants application for pre-sowing treatment of Scotch pine (Pinus Sylvestris) seeds in the ribbon forest in Priirtyshje

2019 ◽  
Vol 23 (136) ◽  
pp. 13-19
Author(s):  
S.A. Kabanova ◽  
◽  
I.S. Kochegarov ◽  
M.A. Danchenko ◽  
◽  
...  
Keyword(s):  
Pinus Sylvestris ◽  
Scotch Pine

AN INVESTIGATION OF THE COMPOSITION OF ESSENTIAL OIL IN THE WOODY GREENERY OF SCOTCH PINE (PINUS SYLVESTRIS)

2021 ◽  
Vol 70 (3) ◽  
pp. 31-35
Author(s):  
Anna Mikhailovna Sumenkova ◽  
Dmitry Konstantinovich Gulyaev ◽  
Valentina Dmitrievna Belonogova ◽  
Petr Sergeevich Mashchenko
Keyword(s):  
Essential Oil ◽  
Pinus Sylvestris ◽  
Scotch Pine

scholarly journals Bark Beetles,Pityogenes bidentatus, Orienting to Aggregation Pheromone Avoid Conifer Monoterpene Odors When Flying but Not When Walking

2012 ◽  
Vol 2012 ◽  
pp. 1-10 ◽  
Author(s):  
John A. Byers
Keyword(s):  
Picea Abies ◽  
Pinus Sylvestris ◽  
Aggregation Pheromone ◽  
Bark Beetles ◽  
Slow Rotation ◽  
Scotch Pine ◽  
Release Rates ◽  
Host Trees ◽  
Pheromone Components ◽  
Males And Females

Previous studies and data presented here suggest that odors from healthy host Scotch pine (Pinus sylvestris) and nonhost Norway spruce (Picea abies), as well as major monoterpenes of these trees at natural release rates, significantly reduce the attraction of flying bark beetles,Pityogenes bidentatus, of both sexes to their aggregation pheromone components grandisol andcis-verbenol in the field, as tested by slow rotation of trap pairs. In contrast,P. bidentatusmales and females walking in an open-arena olfactometer in the laboratory did not avoid monoterpene vapors at release rates spanning several orders of magnitude in combination with aggregation pheromone. The bark beetle may avoid monoterpenes when flying as a mechanism for avoiding nonhost species, vigorous and thus unsuitable host trees, as well as harmful resinous areas of hosts. Inhibition of this flight avoidance response in beetles after landing would allow them to initiate, or to find and enter, gallery holes with high monoterpene vapor concentrations in order to feed and reproduce.

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