Báo cáo lâm nghiệp: "Photosynthetic response quantum flux density" docx

... postillumination C0 2 assimilation in response to lightflecks. Plant Physiol. 82, 1063- 1068 Photosynthetic response of poplar leaves under varying quantum flux density J.P. Gaudillère Introduction Leaf ... constant quantum flux density (QFD). But it could be asked how photosynthesis is established in rapidly changing illumination, as in the natural...

Ngày tải lên: 09/08/2014, 04:20

... and Protected Organisms in Coppices and Coppice-with-Standards under the Natura 2000 System. e response of weevil communities (Coleoptera: Curculionoidea) to the altitudinal zones of beech

Ngày tải lên: 07/08/2014, 03:22

... content during prechilling on the germination response of alder and birch seeds, Seed Sci. Technol. 33 (2005) 363−373. [10] De Atrip N., O’Reilly C., The response of prechilled alder and birch seeds ... GA 3 couldbeusedtoshortenthe chilling period. However, the response varied greatly with seed MC. A longer period of chilling is needed to release dor- mancy at lower seed MC [23], so the...

Ngày tải lên: 07/08/2014, 16:21

... M.P., The monomolecular and rectangular hyperbola as empirical models of the response of photosynthetic rate to photon flux density, with applications to three Veronica species, Ann. Bot. 65 (1990) ... in suppressed Norway spruce [Picea abies (L.) Karst.] in response to release cutting, Trees 6 (1992) 41–47. [28] Haunte P., Rincon E., Responses to light changes in tropical deciduous woo...

Ngày tải lên: 08/08/2014, 01:21

... Growth response of Q. pyrenaica to thinning 245 The results of Ducan’s test also explain the aforementioned different responses to thinning intensities in the ... treatment at different inventory dates. Growth response of Q. pyrenaica to thinning 247 by diameter classes, due to the lack of height growth response to thinning. Although the same sample ... between treat- ments; * signifi...

Ngày tải lên: 08/08/2014, 01:22

... Q velutina. Similar responses have been reported by Jarvis (1976) and Winkel and Rambal (1990). However, Foster (1992) did not detect this type of response. In the boundary-line ... stomatal open- ing in response to the four independent variables were estimated from field measurements by least squares regression. Boundary-line response curves were...

Ngày tải lên: 08/08/2014, 18:21

... necessary to add a small amount of Pi (50 pM) to the circulating medium, since the efflux of Pi from the vacuole was not sufficient to sustain rapid phosphorylation processes. Addition ... culture medium) at pH 6.5. During the first 10 h, little change occurred. Sucrose efflux from the vacuole was rapid enough to maintain an optimum phosphate e...

Ngày tải lên: 09/08/2014, 04:20

... (Tab. III). This may result from a difference in the individual tree response capacity to the cork extraction trauma. However the response of the cork oak to the removal of cork and the factors that ... observed in the studied trees, it may be speculated that after the debark- ing there is a tree response to prevent wood degradation and favour the scar formation with a displacement of ex...

Ngày tải lên: 07/08/2014, 16:20

... plasticity, while genetic variation in the same density components can be interpreted as an adap- tive response to specific environmental conditions (here a sandy soil, an average precipitation rate ... understanding the consequences on wood quan- tity and wood quality of the observed plastic and adaptive response of radiate pine to varying environments in Chile. Acknowledgments: Researc...

Ngày tải lên: 08/08/2014, 00:21

... is easy to expect that the LWP increase selection has a correlated response by an improvement of RD and EW components; this response is much more expressive than those obtained by LW components. ... components and the heterogeneity (HI) might helps to minimise hypothetical undesirable correlated responses when it is selected for increasing wood density [57, 69]. In this study we usually...

Ngày tải lên: 08/08/2014, 01:21