Báo cáo lâm nghiệp: " Fungi associated with Tomicus piniperda in Poland and assessment of their virulence using Scots pine seedlings" doc
Báo cáo lâm nghiệp: " Fungi associated with Tomicus piniperda in Poland and assessment of their virulence using Scots pine seedlings" doc
... 801c INRA, EDP Sciences, 2006DOI: 10.1051/forest:2006063Original article Fungi associated with Tomicus piniperda in Poland and assessment of their virulence using Scots pine seedlingsRobert ... col-onizer of pine tree stems. Tomicus piniperda, together with itscogener T. minor (Hrtg.), ranks among the main insect pests of Scots pine in Poland. Other Pinus species also occasionallybecome infested. ... foresttree species in East-Central Europe. In Poland, forest stands with Scots pine dominance occupy 68% of the total forestarea [47]. The larger pine shoot beetle, (Tomicus piniperda (L.)Coleoptera:...
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Báo cáo khoa học: "Blue-stain fungi associated with Tomicus piniperda in Sweden and preliminary observations on their pathogenicity" pdf
... than L wingfieldii in galleries of T piniperda as well as in sap-wood inside the galleries. In studies using single inoculations,both L wingfieldii and O minus producedlong ... role in the tree-killing process due to its high aggressivityto Scots pine and uniform occurrence with T piniperda. As regards O minus, the as-sociation with T piniperda ... plates with malt agar (2% malt, 1.5% agar) and incu-bated at room temperature in darkness. In 1989, beetle attacks were again induced in pine trees of different vigour and...
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Báo cáo lâm nghiệp: "Harvest scheduling with spatial aggregation for two and three strip cut system under shelterwood management" docx
... spatial forest management problem within the framework of a conventional spatially con-strained optimization model, and solve it using inte-ger programming with an exact solution method.ReferencesC ... assigning the cut sequence in each strip with a time lag.e management goal of both systems is to main-tain a spatial forest structure that protects stands from wind damage while maximizing ... (b)Fig. 1. e study area landscape with management units (MUs) (a), and with strips (b)Table 2. Example of allocation and cutting progress of two-cut shelterwood systemPeriodWind ⇒cutstrip1 2...
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Báo cáo lâm nghiệp: "Coarse woody debris carbon stocks in natural spruce forests of Babia hora" potx
... carbon stock in other virgin forests of Europe. Expressed in relative values, in the area of inter-est the highest amount of carbon stored in CWD is present in standing dead trees and snags ... stage of maturity and de-cay classes 2 and 8 (Figs. 3a and 3b). In the stage of breakdown, large differences in the deadwood volume in early and late decay stages become even more profound in ... mountain range situated in the northern part of Slovakia at the border with Poland. e massif of Babia hora is built of tertiary flysch rocks, mainly sandstones, marl, claystones, slate and...
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Báo cáo lâm nghiệp: "Drought conditioning improves water status, stomatal conductance and survival of Eucalyptus globulus subsp. bicostata seedlings" ppt
... previouslyobserved in pot-grown plants of blue gum [16], were also validafter transplanting: Tumbarumba maintained the highest levels of gs and RWC both at the end of preconditioning and duringthe first ... treatment (com-bination of provenance × water regime) were randomly selected atthe end of preconditioning period and five plants at the end of post-transplanting period. Seedling height (using a ruler ... after with- holding irrigation, and observed particularly in Tumbarumba.Indeed, the maintenance of water status and gsare relevantfactors for successful establishment of tree seedlings [3]....
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Báo cáo lâm nghiệp: "Soil carbon dioxide efflux in pure and mixed stands of oak and beech" potx
... computed without considering the firstincubation week in order to avoid the initial flush of mineralization[5]. At the end of the experiment, another leaching was carried out and the DOC content of ... contrasts in association with a linear mixedmodel containing the following variables: stand, moisture treatment,the interaction between stand and moisture treatment, and the tworandom effects ... stands dominated either by oak or beech and four werelocated in a mixture of both species.The fine roots of the forest floor and of the Ah horizon were col-lected separately using a template of...
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Báo cáo lâm nghiệp: "Screening for efficient cold hardening in a breeding population of Salix using near infrared reflectance spectroscopy" pps
... to the timing and the inherent rate of hardening was extensive, with the onsetbeginning between 240 and 285 days from the beginning of the year, and LT50 values after 10 weeks ranging from –10 ... occurrence of clones with early -and- slowly hardening characteristics. The frequencydistributions of clones also indicated that the timing of onset and the inherent rate of hardening were independently ... between an early -and- rapidly hardening clone and a late -and- slowly hardening clone.The cold hardiness of stems was estimated using the infrared reflectance spectra of dried and homogenised samples....
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Báo cáo lâm nghiệp: "The root-plant ratio changes in the first growing periods of wild cherry (Prunus avium L.) plantations" pptx
... interpretation of the data is that the efficiency of root system in terms of plant growth remains stable at least in that first growing period of plant in the forest disregarding their functions of conduction ... explaining 92% of the relationship.An adequate proportion of fine roots (thinner than 2 mm) in the root system is another important parameter of planting stock and thus the changes in the ... im-portance of different sections for plant performance in the forest.MATERIAL AND METHODSResearch plots of wild cherry plantation were established in April 2002 at the Training Forest Enterprise in...
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Báo cáo lâm nghiệp: "Rodent-caused damage to forest trees from the viewpoint of forestry practice" potx
... mammals and the incompleteness of knowledge of their ecology and feeding behaviour have lead us to initiation of an extensive research focused on monitoring the population dynamics of rodents in ... stands and a methodology of dealing with problematic situations. Most of the foresters are uninterested in small mammals and many have only very smat-tering knowledge of the dangerousness of ... Long-term responses of ecosystem components to stand thinning in young lodgepole pine forest – II. Diver-sity and population dynamics of forest floor small mammals. Forest Ecology and Management,...
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Báo cáo lâm nghiệp: "Polyamines during somatic embryo development in Norway spruce (Picea abies [L.])" potx
... allows interactions with anionic macromolecules such as DNA, RNA and with negative groups of membranes. ree commonly occurring PAs in plants are di-amine putrescine (Put), triamine spermidine ... level of spermidine (M et al. 1999). A high level of putrescine was determined in the pro-embryogenic tissue of Picea rubens, while spermidine was predominant during the stages of embryo ... ecotype of Norway spruce.Contents of free polyamines (putrescine, spermi-dine, and spermine) were determined in different developmental stages of Norway spruce somatic embryos.MATERIALS AND METHODSInduction...
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Từ khóa: báo cáo lâm nghiệpp63 overexpression associated with poor prognosis in head and neck squamous cell carcinomacách làm báo cáo tốt nghiệphướng dẫn làm báo cáo tốt nghiệp khoa kế toáncách làm bìa báo cáo tốt nghiệpcách làm slide báo cáo tốt nghiệpBáo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018Nghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngNghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namNghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THzBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitQuản lý hoạt động học tập của học sinh theo hướng phát triển kỹ năng học tập hợp tác tại các trường phổ thông dân tộc bán trú huyện ba chẽ, tỉnh quảng ninhPhát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninhNghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Định tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Thơ nôm tứ tuyệt trào phúng hồ xuân hươngTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)Quản lý nợ xấu tại Agribank chi nhánh huyện Phù Yên, tỉnh Sơn La (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtĐổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt namTÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ