Calcium, magnesium and sulphur uptake by above ground parts in intergeneric hybrids

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Abstract

In a replicated field trial, eleven intergeneric hybrids including four Co canes were evaluated for better nutrients use efficiency. At harvest, Ca, Mg and S content were estimated in dry leaves, green tops and stem. Uptake of Ca, Mg and S by dry leaves, green tops, stem, total above ground parts and kg nutrient per tonne of cane were determined. Significant differences among clones were observed in Ca, Mg and S nutrient uptake by dry leaves, green tops, stem, total above ground parts and nutrient to produce a tonne of cane. The increasing trend of kg Ca /tonne of cane was as follows: Co Canes Saccharum x Sorghum >Saccharum x Sclerostachya> Co Canes. Clones recording low Mg uptake for a tonne of cane were Co 8338, Co 6304, 125 and 163. The increasing trend of S in kg / t of cane was as follows: Co Canes

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