Báo cáo lâm nghiệp: "Polyamines and ethylene during of Prunus avium L in vitro rooting" pps

... 2°C. Polyamine levels were individually monitored at intervals in the shoot apical and basal 3 mm portions, stem and leaves. Dansy- lated derivatives of the polyamines were ... thin-layer chromatography and fluoro- metrically determined. The incorporation of labeled PUT, the precursor of SPD and SPM, was evaluated by adding 185 kBq to 100...

Ngày tải lên: 09/08/2014, 04:20

... Methods. In partial samples assimilatory organs (number of leaves, their area and dry mat- ter) were evaluated in detail in relation to the other parts of seedlings. Measurement of chlorophyll fl ... the initial values.  e maximum quantum yield of Fv/Fm of leaves growing in the shade after transfer to a gap was still lower after 30 days than in the leaves of plant...

Ngày tải lên: 07/08/2014, 10:21

... Springer-Verlag, Berlin, 2003. [7] Cox P., Wilkinson S.P., Anderson J.M., Effects of fungal inocula on the decomposition of lignin and structural polysaccharides in Pinus sylvestris litter, Biol. Fertil. ... TAE and 0.2% glycerol (vol/vol), 300 L of ammonium persulphate (10%) (wt/vol) and 30 µLof TEMED) were allowed to polymerize over 1.5 h. Amplified DNA samples with the same vo...

Ngày tải lên: 07/08/2014, 16:20

... Coaction of blue/ultraviolet-A light and light absorbed by phytochrome in controlling growth of pine (Pinus sylvestris L. ) seedlings, Planta 180 (1990) 212–216. [17] Gansert D., Sprick W., Storage and ... Fagus sylvatica L. , Tree Physiol. 17 (1997) 133–140. [52] Welander N.T., Ottosson B., The influence of shading on growth and morphology in seedlings of Quercus robur L...

Ngày tải lên: 08/08/2014, 01:21

... length in all our localities is substantially less than in Switzerland. Concerning height at the withers, individuals from the Doupov area and Šumava are identical with Switzerland in all ... including head and legs, or (iii) the weight of a dressed individual without head and legs. Age was determined in all animals. In indi- viduals up to the age of 2 years, age was...

Ngày tải lên: 07/08/2014, 10:21

... causes of the suc- cessful growth and relatively low mortality of the experimental plantings of the silver fir established in a locality of clearing due to salvage felling. Even though the fir plantations ... particularly important. e dynamics of the height growth of the silver fir experimental plantings was evaluated on the basis of the results of the measurements of a...

Ngày tải lên: 07/08/2014, 10:22

... dynamics. Clear-cutting of small areas of laurel forest stands is the dominant silvicultural technique used on La Palma, and the products have several uses in agriculture [10,24]. Historically, the main ... elatium: Arrhelat; Asplenium onopteris: Asplonop; Aster olinon linum-stellatum: Astelino; Brachypodium sylvaticum: Bracsylv; Briza minor: Brizmino; Calamintha sylvatica: Calasylv;...

Ngày tải lên: 07/08/2014, 16:20

... populations of D. valens, and (-)-β-pinene and (+)-α-pinene were behav- iorally neutral, or nearly so. Recent electrophysiological and behavioral studies clearly indicate that conifer bark beetles are ... electrophysiolog- ical and behavioral effects on the red turpentine beetle, Dendroctonus valens LeConte (Coleoptera: Curculionidae: Scolytinae), which was accidentally introduced in...

Ngày tải lên: 07/08/2014, 16:20

... seedlings in summer may result in plantation failure especially if soil is dry at the time of planting. Since the stress resistance is closely related to the phenolog- ical stage of seedlings ... INTRODUCTION Nearly 150 million container-grown conifer seedlings, mostly Norway spruce (Picea abies (L. ) Karst.), are annually delivered for planting in Finland (Finnish Ministry of Agr...

Ngày tải lên: 08/08/2014, 00:21

... METHODS 2.1. Plant material Leaves inserted in the upper and outer crown (sun leaves) and in the lower and inner parts of the canopy (shade leaves) of Laurus azor- ica (Seub.) Franco, Persea indica (L. ) ... sta- tistically analysed using ANOVA with main effects and two-way interactions. Post-Hoc analyses were realised by Tukey’s test using P = 0.05 as the critical level of...

Ngày tải lên: 08/08/2014, 00:22