Báo cáo lâm nghiệp: "Leaf morphology as species indicator in seedlings of Quercus robur L and Q petraea (Matt ) Liebl : modulation by irradiance and growth flush" potx

... long) MPL: hair length on the midrib LPL: hair length on the lamina Calculated variables PRL: relative length of the petiole, PL / (LL+PL) ( %) LRW: relative width of the lamina, LW / LL ( %) LWRL: ... 10.1051/forest:2003086 Original article Leaf morphology as species indicator in seedlings of Quercus robur L. and Q. petraea (Matt. ) Liebl. : mod...

Ngày tải lên: 08/08/2014, 01:22

... Ef- fect of inhibition of phenylalanine ammonia-lyase activity on growth of alfalfa cell suspension culture: alterations in mitotic index, ethylene production, and contents of phe- nolics, cytokinins, ... 1229–1235. SILVEIRA V., FLOH E.I.S., HANDRO W., GUERRA M.P., 2004. Effect of plant growth regulators on the cellular growth and levels of intracellular proteins, st...

Ngày tải lên: 07/08/2014, 10:21

... slope for each stand: –0.63 (stand 1); –1.14 (stand 2); –0.079 (stand 3); –1.12 (stand 4); –1.14 (stand 5). Firstly, all stands show on average decreasing latewood density in the adult zone, indicated ... the 95%-confidence interval for the predicted individual profiles as dotted lines, the transition point x 0 as vertical line and its 95%-confidence interval as dotted...

Ngày tải lên: 08/08/2014, 01:22

... activity of SOD was analyz- ed in 4 subsequent generations of needles of healthy trees and compared with the activity in needles of injured trees with 50% loss of needles. In ... ac- tivity in young needles is determined by intrinsic developmental factors, while in older needles, external environmental trig- gering mechanisms, such as,...

Ngày tải lên: 09/08/2014, 04:20

... woody species of various age categories as well as small open areas, such as meadows, small fields, and wetlands. Pedun- culate oak (Quercus robur) , sessile oak (Q. petraea) , Scots pine (Pinus ... stands in the east Slovakian lowlands. Folia Zoologica, 4 5: 145–152. SUCHOMEL J., HEROLDOVÁ M., 2004. Small terrestrial mammals in two types of forest complexes in i...

Ngày tải lên: 07/08/2014, 03:22

... was measured using the calliper with one-centimetre scale. Firstly, the test was realized in “laboratory” conditions when the individual blocks of stems were placed to windows of a building ... control measure using a calliper. Secondly, the test was realized in natural conditions on sharp slopes (more than 30 ). The slopes enabled the control using the calliper. e diameter...

Ngày tải lên: 07/08/2014, 10:21

... of pupae and overwintering 5th instar larvae, but mean SCPs significantly declined with the development of larval instars. Mortality of overwintering larvae increased as temperature declined and ... (Coleoptera: Ceramby- cidae) has caused economic losses of approximately 3 million US dollars per year in China since B. xylophilus was first dis- covered in Nanjing City in 1982...

Ngày tải lên: 07/08/2014, 16:20

... clones and sites classifica- tions also allows drawing a conclusion of special interest to poplar planters. The extent of the damage to the most infested clone in the most susceptible trial field ... coordinated by S. Bisoffi, Italy). Seven of the fields were located in Belgium, and the eighth (Lintgen) in the Grand Duchy of Luxembourg. Their main characteristics appear in Ta...

Ngày tải lên: 07/08/2014, 16:20

... water spender species: ( 1) lower osmotic poten- tial; ( 2) more rigid cell walls (higher modulus elasticity); ( 3) less vulnerability to xylem cavitation: and ( 4) stronger sto- matal control over transpirational ... calculated were: relative water content at turgor loss point (RWC tlp ), water poten- tial at turgor loss point ( ψ l, tlp ), osmotic potential at full tur...

Ngày tải lên: 08/08/2014, 00:21

... J. Ecol. 21 (199 7) 1–16. [65] Volz H., Otte A., Occurrence and spreading ability of Lupinus polyphyllus Lindl. in the Hochrhoen, in: Kowarik I., Starfinger U. (Eds .), Biological invasions in Germany. ... B, E L, O : no data available; : indifferent; ( ): value for tree seedlings and saplings; for further explanation of the indicator values see text. Non-ind...

Ngày tải lên: 08/08/2014, 00:22