Báo cáo lâm nghiệp: "Genetic variation of Prunus avium in susceptibility to cherry leaf spot (Blumeriella jaapii) in spatially heterogeneous infected seed orchards" docx

... suspected, since the infection of this disease occurs through stomata in early spring. Bud burst explained some of the variation in leaf spot incidence (17–65% of the leaf spot clonal variation is due to ... 10.1051/forest:2006084 Original article Genetic variation of Prunus avium in susceptibility to cherry leaf spot (Blumeriella jaapii) in...

Ngày tải lên: 07/08/2014, 16:20

... Handbook of medicinal herbs, CRC Press, Boca Raton, Florida, 1988. [10] Elfellah M.S., Akhter M.H., Khan M.T., Anti-hyperglycaemic effect of an extract of Myrtus communis in streptozotocin induced ... J.F, Bertolino .P, Dufour J., Raquin C., Frascaria-Lacoste N., New insights in the recognition of the European ash species Fraxinus excelsior L. and Fraxinus angus- tifolia Vahl as us...

Ngày tải lên: 07/08/2014, 16:21

... α-cellulose content in transition wood (2%). Specific combining ability by site interaction variance explained from 5% (fiber length) to 37% (lignin) of the total variance. Weak individual-tree heritabilities were ... determine the level of ge- netic variation of key juvenile wood properties in loblolly pine on four test sites and examine G×E interaction. Specific objec- tives were...

Ngày tải lên: 07/08/2014, 16:20

... the vector of individual tree observations; b is the vector of block fixed effects; a is the vector of random general combining ability (GCA) effects of individual trees; s is the vector of random specific ... random specific combining ability (SCA) effects due to specific combinations of males and females; m is the vector of random plot effects; e is the vector of random residual d...

Ngày tải lên: 07/08/2014, 16:20

... the innermost rings and increasing it in the outward rings. Until the beginning of cork extraction the accumulation of extractives should contribute to the higher density values found in the innermost ... component in the ring width remained particu- larly constant and was not significantly in uenced by any of the studied sources of variation. 4. DISCUSSION In spite of t...

Ngày tải lên: 07/08/2014, 16:20

... cumu- lative variance of the data together (Fig. 1). It is also obvious in the declining character of the ratio of the researched species in investigated AZ (Fig. 2). Gradual in uence was also ... (axis 1) explained 26.1%, axis 2 explained 68.5% and axis 3 explained 65.8% of total variability in the species data. 9.4% of total variability in the species data was explain...

Ngày tải lên: 07/08/2014, 03:22

... benefits of priming loblolly pine (Pinus taeda L.) seeds decreased as the length of chilling increased. In contrast to the FI seeds, priming had a small effect on the germination of the TMC seeds, ... prim- ing significantly increased germination speed in alder. There might have been insufficient moisture in the seeds of both species to allow the TMC seeds to respond to treat...

Ngày tải lên: 07/08/2014, 16:21

... remains how the variation in traits of interest can be linked with directly measurable environmental indicators.  e aim of this study was to clarify to what extent the spatial variation of ... dates, again dispersed over the whole season, using a 5-stage scale (1 – green leaves, 2 – beginning of autumn colouring of individual leaves, 3 – beginning of autumn le...

Ngày tải lên: 07/08/2014, 10:21

... principal aim of this study was to assess the level and the distribution of genetic variation of common ash in Italy, in order to get essential knowledge for planning activities in the fields of ... selfed seeds showed clear symptoms of inbreeding depression, which makes the survival of such seeds in natural conditions highly unlikely. In the production of reprodu...

Ngày tải lên: 07/08/2014, 16:20

... peak at the end of May and beginning of June in 2005. In 2006, the flight activity started later in mid-May and lasted to the beginning of July but was interrupted by cold and rainy weather. At ... higher. In the Nízký Jeseník Hills, the flight activity started at the beginning of May and ended in mid-June with the peak at the end of May and beginning of June in 2...

Ngày tải lên: 07/08/2014, 03:22