Adaptive genetic variation in scots pine (pinus sylvestris l ) in scotland

... understanding of native pinewood biology in Scotland In addition, policy recommendations concerning the seed sourcing of Scots pine in Scotland will be made 29 Mating system in Scots pine (Pinus sylvestris ... frequencies, and along with inbreeding, this can lead to lower fitness as detrimental alleles increase in frequency (Frankham, Ballou et al 200 2) Like ot...

Ngày tải lên: 30/09/2015, 05:57

... ha, of which the (m3/ha) (m3/ha) Pine 400 area of single-species pine stands was 92,800 and that of mixed stands in which pine was a dominant species – 37,700 (Table 1) The above data was obtained ... RESULTS The comparison of the mean volume of pine stands requiring conversion with oak stands revealed the existence of a considerable differences betwe...

Ngày tải lên: 07/08/2014, 03:22

... Qualitative aspects of beetle feeding in pine shoots in 2004–2006 Feeding of beetles in pine shoots in 2002–2006 During the study period a total of 4,838 shoots damaged by adult feeding fell on experimental ... growth of trees caused by the feeding of pine shoot beetles Tomicus piniperda and T minor (Col., Scolytidae) in Scots pine stands growing...

Ngày tải lên: 07/08/2014, 04:20

... a bare-root nursery In a broad survey of the mycorrhizal status of Scots pine seedlings in Polish nurseries, Rudawska et al [46] found between one and nine mycorrhizal types per nursery, whereas ... genera in profile, SpringerVerlag Berlin Heidelberg, 1999, pp 33–64 [9] Dahlberg A., Stenström E., Dynamic changes in nursery and indigenous mycorrhiza of Pinus sylvestris...

Ngày tải lên: 07/08/2014, 16:20

... structures of Scots pine, and an analysis was made of the variables in uencing this relationship in a mountain area with a continental Mediterranean climate, i.e., in the Guadarrama range (Spain) The ... 826 A Garc a- Abril et al Table I Stand area, climatic, topographic and soil type data of the four Scots pine stands studied Stand Uneven-aged With oak understor...

Ngày tải lên: 07/08/2014, 16:21

... the authors, on individualtree growth models for Scots pine in Spain Scots pine in Spain is a species of great economic, ecological and social importance and the models presented in this study ... Self-thinning models for even-aged stands of Pinus sylvestris, Picea abies and Betula pendula, Scand J For Res (1993) 326–336 [12] Hynynen J., Predicting the grow...

Ngày tải lên: 08/08/2014, 01:21

... support system, SPINE, was developed to support decision-making in the management of Pinus sylvestris stands in Spain The system consists of a stand growth and yield simulator based on individual-tree ... examines points around the base point in the direction of the coordinate axes (DVs) The pattern search moves the base point in the direction defin...

Ngày tải lên: 08/08/2014, 01:21

... density and on points of juvenilemature -wood transition Mörling [22] found neither an effect of fertilisation nor of thining on ring density of Scots pine in Sweden Hence this method combines the discussion ... Wachstumsbedingungen Dissertation an der Forstwiss Fakultät der Universität Freiburg, 1992, 221 p [33] Sauter U.H., Mutz R., Munro B.D., Determining juvenile-mature wood...

Ngày tải lên: 08/08/2014, 01:22

... 19, 24] Works studying the population structure and the main factors affecting natural regeneration in Scots pine (Pinus sylvestris L.) are abundant in the literature Most of them refer to boreal ... conservation have increasing interest [16, 39] The aim of this work was: (1) the analysis of population structure of natural regeneration, (2)...

Ngày tải lên: 08/08/2014, 14:21

... ume, the effects of container density on the growth and survival of Douglas-fir seedlings after outplanting was studied in the fifth experiment In British nurseries, the height of of Corsican pine ... volume in governing seedling growth [9] There are, however, relatively few reports on the direct effects of seedling density on growth Contain...

Ngày tải lên: 09/08/2014, 04:20

... capacity of the developing current yr needles is fairly low (Troeng and Linder, 19 82) Enclosing them in a cuvette causes errors in A, E and g Soil temperature affected gas exchange pine seedlings In ... age and season in Abies amabilis Gan :J For, Res 14 ,77-84 Troeng E & Under S (19 82) Gas exchange in Change a 20-year -old Scots pine I Net photosynt...

Ngày tải lên: 09/08/2014, 04:20

... and Discussion B Detection of HCT activities in cell extracts from Scots pine needles Cell extracts from developing needles of Scots pine trees were assayed for the presence of HCT activities Kaempferol, ... metabolites have been described from Scots pine so far However, the occurrence of only low 4¢¢HCT activities in crude cell extracts of Scots pine needles indicate th...

Ngày tải lên: 23/03/2014, 13:20

... with wood and wood cellulose d13C for each of the three Scots pine needle d13C spatial / temporal variations Figure Correlations of the overall needle d13C mean for each section versus the d13Ccellulose ... Kocon J., Occurrence and structure of the reaction wood of the European larch (Larix europaea DC) and of Scots pine (Pinus sylvestris L.) investig...

Ngày tải lên: 08/08/2014, 01:21

... Results The young needles of (Picea abies L Karst.) Norway spruce develop in early June under northern Finnish conditions, the Scots pine (Pinus sylvestris L.) needles about wk later The ... respect to isolation studies Structural changes and changes in water economy of needles have been observed On Discussion and Conclusions at the end of Lappish and northern...

Ngày tải lên: 09/08/2014, 04:20

... resin acid involved in the relation between Scots pine and the sawfly Diprion pini L - The contents of diterpene resin acids in the needles 171-187 In: Mechanisms of woody defenses against Insects ... Wound induced changes of resin acid concentrations in living bark of Scots pine seedlings Can J For Res 17, 346-349 Gref R, Tenow O (1987) Resin ac...

Ngày tải lên: 09/08/2014, 03:24