Báo cáo lâm nghiệp: "Experimental control in Weigela japonica of flower initiatiob" ppt

... respond to a treatment promoting flowering. These observations suggest that the control of flowering is at least partially located within the bud. This control could be related ... Vegetative vigor control over location and fate of flower buds in fruit trees. Acta Hortic. 149, 55-63 Jackson D.J. & Sweet G.B. (1972) Flower initia- tion i...

Ngày tải lên: 09/08/2014, 04:20

... of the seedlings took place chiefly in the year of cutting and during the first vegetative sea- son of the coppice. The number of seedlings emerging in the course of ... seedlings and whether any of the seedlings noted in the first sampling had died. The location of each seedling in the concentric plots was related to the projection...

Ngày tải lên: 09/08/2014, 04:20

... (Populus euramericana Guinier). Diameters at breast height were respectively 15 cm, 20 cm and 25 cm. Chestnuts were growing in a private forest in south of France, mani in a tropical rainforest in French Guyana (South ... poplar in Kyoto university experimental forest (Japan). Experiments on mani and chestnut involved measurements of RGS and longitudinal drying shrinkage, and we...

Ngày tải lên: 07/08/2014, 16:20

... planted in row plots, each containing four trees. One systematic thinning was carried out (by removing every second tree in a row) in 1995 at the Platon site and in 1996 at the Windsor and Saint-Ours ... density of indi- vidual rings. However, for wood density of cumulated rings, the repeatability showed a steady increase starting from 3 to 5 years of age at most of the sites....

Ngày tải lên: 07/08/2014, 16:20

... the pattern of nutrient release in decomposing pine needles resulting by typhoon disturbance in comparison with the normally fallen needles, to improve our understanding of the impact of typhoon ... Japan [14]. Luchu pine was introduced to the Bonin Islands and some national forests in Kyushu, and was also introduced to Taiwan [39]. In Okinawa, Luchu pine * Corresponding author:...

Ngày tải lên: 07/08/2014, 16:20

... respectively) with Primer3 software [22]. Preliminary PCR tests were performed with 10 individuals of each species in 20 µl solution containing 0.5 units of Q-BIOgene Taq DNA Pol, 100 µMof each dNTP, 1.5 ... first measure of the underdevelopment of the embryo, and this character is known to be involved in germination ability and evolution of seed dormancy [1,2,12]. Thus, multiple...

Ngày tải lên: 07/08/2014, 16:20

... populations in mountain areas cohabit, all living in forests located at varying distances from each other. The char- acteristics of the diapause of mountain populations ... methodologic point of view, the study shows a reduced enzymatic polymorphism of D pini and illustrates the difficulty in using enzymatic electrophore- sis to investigate D...

Ngày tải lên: 08/08/2014, 18:21

... In contrast, the qE-values (energy quenching), which contain information, e.g., of the light-mediated formation of a proton gradient across the mem- brane, were higher in ... activity of leaves as is demonstrated by parallel measure- ments of the net C0 2 -assimilation rate PN. The Rfd-values are an indicator of the intactness of the interna...

Ngày tải lên: 09/08/2014, 04:20

... quality in radiata pine, an understanding of the genetic variability of transition age is critical. Few studies have ex- amined the genetic mechanisms in uencing transition age in fast growing pines. ... reported in- dividual tree narrow-sense heritability of 0.12 for ring density transition age in loblolly pine. 3.4. Prediction of breeding values Predicted genetic gains, est...

Ngày tải lên: 07/08/2014, 16:20

... introduction of whole plants and (2) the second one with a delayed introduction of half of the individuals, the latest clones being installed before the earliest ones with the aim of increasing ... effective size remained stable in seed orchard #2. For the male function, considering the information provided by co-flowering time on top of the number of flowers led to observe a dimin...

Ngày tải lên: 07/08/2014, 16:21