Analysis of progeny-environment interaction with seedling tubers of true potato seed (Solanum tuberosum L.) in Cuba
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Abstract
and incidence of spots on the foliage by the fungus Alternaria solani Soraeur were recorded. The data were processed by analysis of variance, and adjusted with additive main effects and multiplicative interaction model (AMMI) to the characters which was significant genotype environment interaction was adjusted. The sexual progeny Lajera x 6-3-98 were stable for tuber number and yield in six environments studied. The Lajera x 6-3-98, Lajera x 9-80-98, progenies were stable for yield and average tuber mass in the six environments studied. The progeny Samila x 2-130-98, Yara x 1-10-96, Yara x 9-80-98, Atlantic x Aninca y Samila x 6-3-98, were the most unstable for the three studied traits but specific adaptation in each locality. These contrasts in the agronomic performance of the progeny of sexual seed suggest the need to evaluate the materials in each production area.
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