Evolutionary correlations of polycyclic shoot growth in Acer (Sapindaceae)

Evolutionary correlations of polycyclic shoot growth in Acer (Sapindaceae).

Two strategies have evolved in understory trees in relation to light availability: maximization of light capture and shade tolerance. In the genus Acer, light capture is favored by a suite of traits maximizing twig thickness and leaf size and minimizing the density of branching in the crown. In contrast, shade tolerance is enhanced by minimizing crown area, crown volume, and total leaf area per...

Dependency of branch diameter growth in young Acer trees on light availability and shoot elongation.

Many biomechanical and theoretical studies have been based on the pipe-model theory, according to which a tree is regarded as an assemblage of pipes, each having the same amount of leaf area or leaf mass. However, the physiological mechanisms underlying the theory have not been extensively examined, particularly at the branch level. We analyzed how branches and trunks thickened in nine young Ac...

بررسی سیستماتیکی برخی گونه های acer ( از تیره sapindaceae )

جنس افرا acer از خانواده ( aceraceae یا sapindaceae ) شامل 10 گونه در ایران است. این گیاهان دارای ارزش اقتصـــــادی، زینتی و دارویی هستند. 7 گونه از این جنس که در بخش های مختلف ایـــــران توزیع و یا کاشته شده اند در این پروژه مورد بررسی واقع شـــــده اند: acer velutinum, a.monspessullanum, a.platanoides, a.campestre, a.cappadocicum, a.negundo, a.palmatum. در این پروژه در مجموع 37 واحد جمعیتی از...

Phylogenetic Evaluation of Series Delimitations in Section Palmata (Acer, Aceroideae, Sapindaceae) Based on Sequences of Nuclear and Chloroplast Genes

Development and evaluation of microsatellite markers for Acer miyabei (Sapindaceae), a threatened maple species in East Asia1

PREMISE OF THE STUDY Twelve microsatellite markers were developed and characterized in a threatened maple species, Acer miyabei (Sapindaceae), for use in population genetic analyses. METHODS AND RESULTS Using Ion Personal Genome Machine (PGM) sequencing, we developed microsatellite markers with perfect di- and trinucleotide repeats. These markers were tested on a total of 44 individuals from ...