Báo cáo lâm nghiệp: "Architecture of root branches of Norway spruce trees (Picea abies [L.] Karst.) growing in gley soil" pptx

... variables, the stratification of the crown and the deletion of segments. In the present study, the effects of the choice of the auxiliary variable and of the created crown structure (segments and nodes, ... dele- tion of the stem segments. After this closer look at the old pine, the effect of stratification and deletion of the stem seg...

Ngày tải lên: 07/08/2014, 03:22

... 6215648902. Contribution to the knowledge of Clethrionomys glareolus populations in forests of managed landscape in Southern Moravia (Czech Republic) J. S Faculty of Forestry and Wood Technology, ... found in southern Moravian forests as exerted by the bank vole gnawing the stems of young trees. In controlled forests 40% of young o...

Ngày tải lên: 07/08/2014, 03:22

... Supported by the Ministry of Education, Youth and Sports of the Czech Republic, Project No. MSM 6215648902. Occurrence, biology and harmfulness of Galerucella lineola (F.) (Coleoptera, Chrysomelidae) ... or at the end of April and at the beginning of May (H, Fig. 1. A female of the alder biological form of Galerucella lineola Fig. 2. e body...

Ngày tải lên: 07/08/2014, 03:22

... respect to damage to forest stands. In the present paper, the population dynamics of As is described in larger forest complexes of southern Moravia depending on the biotope and food supply including ... (Apodemus sylvaticus) . Journal of Zoology (London), 198: 83–102. SUCHOMEL J., 2007. Contribution to the knowledge of Clethrionomys glareolus populatio...

Ngày tải lên: 07/08/2014, 03:22

... to a gap was still lower after 30 days than in the leaves of plants left in the shade and in control seedlings growing in the gap. Photoinhibition in beech seedlings grown in the shade and ... weight and volume of shoots and root systems than seedlings grown in the shade. A higher number of leaves, larger total leaf area and higher dry matter...

Ngày tải lên: 07/08/2014, 10:21

... Nor- way spruce (Picea abies [L.] Karst.) underplantings in the Hrubý Jeseník Mts. In the area concerned 19 research plots were established, representing the ridge sites of the 8 th FAZ of acid ... growth and development of Norway spruce plantings in the ridge part of the Hrubý Jeseník Mts. Keywords: Norway spruce; nutrient defi...

Ngày tải lên: 07/08/2014, 10:21

... 277 Stable Agrobacterium-mediated transformation of Norway spruce embryogenic tissues using somatic embryo explants D. P, J. B, H. N, J. V Institute of Plant Molecular ... plants after the co-cultivation of embryo- genic tissues with Agrobacterium tumefaciens. e possibility of Agrobacterium-mediated transforma- tion of spruc...

Ngày tải lên: 07/08/2014, 10:21

... the thinnest root- diameter classes in the spruce trees growing in shallow gley soil. It seems that the spruce trees growing in gley soil form a similar root structure as those growing in podzolic ... of root branches in the windthrown spruces (Picea abies [L.] Karst.). After cleaning the root plates, the number, diameter, and length of i...

Ngày tải lên: 07/08/2014, 10:22

... correlation between the aboveground parameters and the depth of root plates in spruce trees growing both in waterlogged and in well-drained sites. According to our results, it seems that the roots of ... 353 JOURNAL OF FOREST SCIENCE, 56, 2010 (8): 353–360 Relationships between the parameters of aboveground parts and the parameters of...

Ngày tải lên: 07/08/2014, 10:22

... angle. between the height of insert point of the highest branch and the height of insert point of the branch of interest). In every annual shoot of the stem, the branches were ordered from the top to the ... Branch location on Atlas cedar tree stem 717 the growth rate of the parent shoot. In particular, the great ex- tent of the ne...

Ngày tải lên: 07/08/2014, 16:21

... 10.1051/forest:2005031 Original article Genetic structure and phylogeography of pine shoot beetle populations (Tomicus destruens and T. piniperda, Coleoptera Scolytidae) in Italy Massimo FACCOLI*, ... sibling species of pine shoot beetle, Tomicus destruens and Tomicus piniperda, differ strongly in relation to the genetic structure of their...

Ngày tải lên: 08/08/2014, 00:22

... 449453 â INRA, EDP Sciences, 2005 DOI: 10.1051/forest:2005041 Original article Nutritive stress and cytokinin status in Norway spruce seedlings (Picea abies L. Karst.) Klaus v. SCHWARTZENBERG*, Heinz ... increase the cytokinin content in the shoot of Norway spruce. cytokinin / forest decline / nutrient deficiency / Norway spruce / Picea abies Résumé –...

Ngày tải lên: 08/08/2014, 00:22

... refer to the simu- lated root extension in two other trees and the small dots refer to other trees. Fractals for root biomass and architecture 339 in exposed root systems were similar for both ... extension in trees 6 and 10, the small dots refer to other trees and the rectangle is the 12 -tree sample plot. For G. sepium, the simulated root arc...

Ngày tải lên: 08/08/2014, 01:21

... which had more basic ones. A similar distribution was observed in tobacco (Cabanne et al., 1977). These biochemical changes of early stages of initiation have yet to be verified in ... trees makes the sampling problem for biochemi- cal studies on the early steps of flowering a crucial one. Another approach to this problem is to find a...

Ngày tải lên: 09/08/2014, 04:20

... Effect of phytotoxic solutions on the respiration of mycorrhizal and non -mycorrhizal spruce roots (Picea abies L. Karst.) F. Pellissier L. Trosset Biopedology ... plants. This interaction was demonstrated in the laboratory by measuring the respiration of excised spruce roots. Using oxygen consumption as an indi- cator of metab...

Ngày tải lên: 09/08/2014, 04:20