Specific region tests of Cuban potato (Solanum tuberosum L.) clones
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Abstract
clones (6-84-93, 6-463-85, 14-52-93, 6-21-93 and 9-32-93),
derived from Cuban breeding program, were planted at the
production areas in three provinces of Cuba: Havana, Matanzas
and Ciego de Ávila. Desirée and Spunta cv. were
employed as control. The experiment was arranged on a
Randomized Block design with four replicates, evaluating
yield per plant, tuber number per plant, average tuber wight,
dry matter percentage and fungal occurrence of Alternaria
solani (Ellis & Martin) Jones & Grout and Phytophthora
infestans (Mont) de Bary. The Variance Analysis was
performed for tuber number per plant, average weight, dry
matter of tubers and yield per plant, according to a factorial
arrangement, the factors being varieties and locations.
Duncan�??s Multiple Range Test was applied. There were highly
significant differences among clones in all locations; the best
clones were 9-3293, 6-8493 and 6-463-85, and differed
significantly from both controls with yields of 33.90, 34.16
and 35.06 t.ha-1 respectively. 14-52-93 clone yields
surpassed 30 t.ha-1. 6-463-85 clone was the most stable one
and Ciego de Ávila was the highest yield potential location.
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