Variability of the chlorophyll content in white clover (Trifolium repens L.)
AbstractWhite clover cultivars from the "giganteum", "intermedium" and "nanum" cultivar groups have been tested for the variability of chlorophyll content in leaflets according to Mackinney spectrophotometric method. The chlorophyll content (a, b, a+b, a/b mg/100mgDM) was studied in relation to certain morphological characteristics of the leaflets (length, width, surface, weight, weight/surface). The method seems to be useful for the screening of strains for high chlorophyll content. Cultivars from the nanum group had generaly lower values; calculated from the dry weight of the assimilatory tissues under the same leaf surface this tendency disappears.
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