SELEÇÃO INDIVIDUAL DE PLANTAS DE MARACUJAZEIRO AZEDO QUANTO À QUALIDADE DE FRUTOS VIA REML/BLUP
2015
MARCELO PEREIRA ASSUNÇÃO | WILLIAN KRAUSE | RIVANILDO DALLACORT | PAULO RICARDO JUNGES DOS SANTOS | LEONARDA GRILLO NEVES
Passion fruit is one of the major fruit crops grown in Brazil, however, the state of Mato Grosso culture has much to be explored. Thus, the aim of the study was to estimate the gain of plant selection of pas-sion fruit on the quality of fruit via REML/BLUP. The experiment was conducted in the State University of Mato Grosso, in its experimental area, in Tangará da Serra, Mato Grosso. It was evaluated eight crossing of commercial cultivars. It was used a randomized block experimental design with ten replications of ten plants per plot. From the genetic value found by the REML/BLUP methodology, it was applied the Mulamba Mock selection index in order to rank all individuals, selecting the 30 plants that showed the best performance for the evaluated characteristics. The high heritability values in the strict sense of the characteristics fruit weight (87%) and fruit length (65%) indicate possibilities for individual plant selection. The selection gain aiming fresh con-sumption was high for the characteristics fruit weight (13.38%), peel thickness (4.37%) and SST/ATT relation (3.61%). For industrial production selection requires special attention to the characteristics PP, SST and ATT, but the gains for PP (1.53%) and TSS (0.95%) did not stand out, however, the selection has raised other im-portant features as EC (-7.46%), CF (3.75%) and MF (1.77%).
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