نتایج جستجو برای: rosa hybrida
تعداد نتایج: 7488 فیلتر نتایج به سال:
Mixed fluorescent and incandescent light increased growth and sink strength of the uppermost young shoot of rose plants (Rosa hybrida cv. Marimba) in comparison to pure fluorescent light. This was manifested by increased apical dominance. Monochromatic low-energy red light, given by means of optic fibers for 24 hours to shoot tips that had been previously darkened for 5 days, increased the tran...
Rose (Rosa hybrida) flowers produce and emit a diverse array of volatiles, characteristic to their unique scent. One of the most prominent compounds in the floral volatiles of many rose varieties is the methoxylated phenolic derivative 3,5-dimethoxytoluene (orcinol dimethyl ether). Cell-free extracts derived from developing rose petals displayed O-methyltransferase (OMT) activities toward sever...
Leaf abscisic acid concentration ([ABA]) during growth influences morpho-physiological traits associated with the plant's ability to cope with stress. A dose-response curve between [ABA] during growth and the leaf's ability to regulate water loss during desiccation or rehydrate upon re-watering was obtained. Rosa hybrida plants were grown at two relative air humidities (RHs, 60% or 90%) under d...
Orcinol O-methyltransferase (OOMT) 1 and 2 catalyze the last two steps of the biosynthetic pathway leading to the phenolic methyl ether 3,5-dimethoxytoluene (DMT), the major scent compound of many rose (Rosa x hybrida) varieties. Modern roses are descended from both European and Chinese species, the latter being producers of phenolic methyl ethers but not the former. Here we investigated why ph...
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