نتایج جستجو برای: annual growth of shoots
تعداد نتایج: 21244082 فیلتر نتایج به سال:
Sexual differences were investigated to determine the significance of flower bud abortion in the dioecious shrub Aucuba japonica Thunb. The mean number of flowers per inflorescence and the mean number of flowering inflorescences (as opposed to aborted inflorescences) per individual were greater in males than in females in 1997 and 1998. Reproductive investment by males was 0.4-times (1997) and ...
The present study was investigated the effects of two elicitors methyl jasmonate (0, 125, 250 and 500 µM) and chitosan (0, 50, 150 and 250 mg L-1) on shoot and callus growth of Iranian Hypericum perforatumL. in vitro cultures in separate experiments. The experiment was done in the base of completely randomized design with five replications and five explants in each replication. Methyl jasmonate...
Different accumulation of ACLSV, ASPV in the organs apple and pear plants different periods vegetation through
 ELISA-method was determined. The largest noted lignified shoots early April flowers
 May, as well absence virus leaves May. At beginning period
 ACLSV accumulates above all flowers tree. A varying in
 samples June. In July, found only (leaves, annual shoots). found...
To study the effects of different combinations of auxin (IBA, NAA) and cytokinin (BAP, TDZ) regulators, basal salts (MS, WPM, NN) and gelling agents (Gelrite and Plant Agar) on the growth and development of seedless grape explants (cv. Bidaneh Soltani), a factorial experiment was conducted based on a completely randomized design. The number and length of grown shoots were analyzed as two main c...
To study the effects of different combinations of auxin (IBA, NAA) and cytokinin (BAP, TDZ) regulators, basal salts (MS, WPM, NN) and gelling agents (Gelrite and Plant Agar) on the growth and development of seedless grape explants (cv. Bidaneh Soltani), a factorial experiment was conducted based on a completely randomized design. The number and length of grown shoots were analyzed as two main c...
BACKGROUND AND AIMS Plants have complex mechanisms of aerial biomass exposition, which depend on bud composition, the period of the year in which shoot extension occurs, branching pattern, foliage persistence, herbivory and environmental conditions. METHODS The influence of water availability and temperature on shoot growth, the bud composition, the leaf phenology, and the relationship betwee...
Satureja hortensis L., (summer savory) is an annual, herbaceous aromatic and well-known medicinal plant. S. hortensis essential oil has a high percentage of carvacrol which is responsible mainly for its biological activity. The biomass production, essential oil composition and mineral content of Satureja hortensis are known to be dependent on its growth and development conditions. The aim of th...
dynamic assessment according to vygotskys sociocultural theory, states that instruction and assessment are interrelated. using static forms of assessment with second and foreign language students could do more harm than good. many teachers neglect to take account of the complexity involved in learning a second or foreign language and often wonder why learning of a language take so long. thi...
BACKGROUND AND AIMS Climate projections predict drier and warmer conditions in the Mediterranean basin in the next decades. The possibility of such climatic changes modifying the growth of two Mediterranean species, Erica multiflora and Globularia alypum, which are common components of Mediterranean shrublands, was assessed. METHODS A field experiment was performed from March 1999 to March 20...
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