Variations in photosynthetic rates of fourteen coleus cultivars.
Fourteen cultivars of coleus (Coleus blumei Benth) were found to vary in chlorophyll content, photosynthetic rate, anthocyanin content and number of stomates.Cultivars ;Gaslight' and ;Velvet Rainbow' had 0.17 and 0.92 mg chlorophyll per g of leaves, fresh weight, respectively.Maximum photosynthetic rate (18.7 mg CO(2)/mg Chl.hr) was found in the leaves of ;Pastle Rainbow' and minimum (2.7) in the ;Velvet Rainbow.'
Rouhani
I
I
Department of Horticulture, College of Agriculture, Pahlavi University, Shiraz, Iran.
Khosh-Khui
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M