Productivity of ten promising chaucha potato cultivars (Solanum tuberosum, Phureja group) in the Cajamarca region
Luz P. Rojas Mercado | Juan F. Seminario Cunya
The productivity of ten treatments (chaucha cultivars) with three replications, all from the Cajamarca Region, were evaluated in a Randomized Complete Block Design: Peruanita 3 Mountaineer 2 Limeña, Yellow, Clavelina 2 Red 2 Mulla, Huagalina, yellow and red Chimbina mahuay. Plant height, number of stems, number of tubers, number of commercial tubers, total weight of tubers, weight of commercial tubers, tuber dry matter, dry weight of foliage and harvest index were evaluated. The yield ranged from 5.0 (Huagalina) to 11.5 t ha-1 (Yellow mahuay) with an average of 8.6 t ha-1 . The total weight of tubers, weight of commercial tubers, total number of tubers and foliage dry weight, showed statistically significant differences between cultivars. The Limeña and Huagalina cultivars were statistically lower than the other cultivars regarding total weight of tubers and weight of commercial tubers. Highly significant differences for number of stems and harvest index were found. Best harvest index were recorded in Huagalina (46%), Yellow mahuay (45%) and Clavelina 2 (42%).
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