Báo cáo lâm nghiệp: "Stable Agrobacterium-mediated transformation of Norway spruce embryogenic tissues using somatic embryo explants" ppt

... 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

... aerial grid of 1 × 1 km, or 500 × 500 m) to obtain more exact data. Determination of tree heights by two-phase method – a combination of estimation and measurement e determination of tree heights ... from the eco- nomical point of view, one is forced to consider the measurement of tree heights on a smaller number of trees (sample trees), and to assign to the rest of the...

Ngày tải lên: 07/08/2014, 04:20

... 2009 (2): 96–100 JOURNAL OF FOREST SCIENCE, 55, 2009 (2): 96–100 e area of natural forests in Iran is approximately 12.4 million hectares, equal to 7.5% of the total area of Iran. Approximately ... forests are located in the northern part of Iran, between north of the Alborz Mountains and south of the Caspian Sea. ese forests are uneven- aged structures of varying species...

Ngày tải lên: 07/08/2014, 10:21

... examinations of the radial growth of pine trees (Pinus densiflora S et Z) on Mt Namsan and the potential effects of current level of air pollutants to the growth of the trees in ... 50-year segments of all measured series using the program COFECHA [10]. This pro- gram helps in identifying segments of a core or group of cores for whic...

Ngày tải lên: 09/08/2014, 04:20

... out orientation. The capacity of ATP-driven H+ -transport across membranes (quench- ing of ACMA, Table I) reflected the for- mation of an interior acidification of the membrane vesicles ... quantification of microgram quantities of pro- tein utilizing the principle of protein-dye bind- ing. Anal. Biochem. 72, 248-254 Sze (1984) H+ translocating...

Ngày tải lên: 09/08/2014, 04:20

Ngày tải lên: 07/08/2014, 03:22

... attack poten- tial of swarming adults in the spring of 2007 was very high. Spatial aspect e bark beetle outbreak affected the Norway spruce stands in almost the whole area of the West- ern Beskidy ... increase of the size of salvage cuttings (including the removal of in- fested trees) the area of stands affected by the forest decline increased too (Fig. 2). In 2003 (the fir...

Ngày tải lên: 07/08/2014, 03:22

... (Faculty of Forestry and Wood Sciences, Czech Uni- versity of Life Sciences Prague, Czech Republic). At first bark surface was evaluated with respect to predation of birds. Subsequently, the rate of ... ratio of bark damaged by birds and total bark area with galleries. e influ- ence of insects’ predation and parasitoids on the total population of the bark beetle was calculate...

Ngày tải lên: 07/08/2014, 03:22

... Outbreaks of Cephalcia spp. (Hymenoptera, Pamphiliidae) in spruce stands on the territory of the Czech Republic. In: BRUNNHOFER V., SOLDÁN T. (eds), Book of Abstracts. VI th European Congress of ... Issue): 57–62 Because of the lack of a recent survey of Cephal- cia species in the Czech Republic, the goals of this study were (i) to monitor web-spinning sawflies liv- ing...

Ngày tải lên: 07/08/2014, 03:22

... the period 1958–2006 regard- ing the occurrence of insects of the genus Cephalcia Panzer (Hymenoptera, Pamphiliidae) in Norway spruce stands of the Beskidy Mountains (Western Carpathians, southern ... Mountains; Poland e increased level of the occurrence of web spinning sawflies associated with spruce in the Polish part of the Beskidy Mts. is mentioned since the fifties o...

Ngày tải lên: 07/08/2014, 03:22