Abstract
The study aimed to estimate broad sense heritability between biometric parameters and production height of the honey pots (APM), width of the honey pot (LPM), the honey pot volume (VPM), width of the pots of pollen (LPO), height of the pollen pots (APO), weight of the pot of pollen (PPP), size of the glossa (GLO), length of the combs (CFV) and width of the combs (LFV) in colonies of Melipona scutellaris. A total of one hundred sixty-five colonies belonging to different generations were evaluated. The results were submitted to analysis of variance, being the effect of interaction colonies x generations considered significant for most parameters studied, except the parameters CFV and LFV. The heritability estimates were: GLO (0.71), DPM (0.07), APM (0.35), VPM (0.39), DPO (0.14), APO (0.18), PPP (0.27), CFV (0.37) and LFV (0.47). The resulted obtained allows the expansion of studies and improvement of statistical calculations for inclusion in breeding programs of the species.
Highlights
The study aimed to estimate broad sense heritability between biometric parameters and production height of the honey pots (APM), width of the honey pot (LPM), the honey pot volume (VPM), width of the pots of pollen (LPO), height of the pollen pots (APO), weight of the pot of pollen (PPP), size of the glossa (GLO), length of the combs (CFV) and width of the combs (LFV) in colonies of Melipona scutellaris
A total of one hundred sixty-five colonies belonging to different generations were evaluated
The results were submitted to analysis of variance, being the effect of interaction colonies x generations considered significant for most parameters studied, except the parameters comprimento dos favos (CFV) and largura dos favos (LFV)
Summary
O estudo foi desenvolvido no meliponário do Núcleo de Estudo dos Insetos/Grupo de Pesquisas Insecta, na Universidade Federal do Recôncavo da Bahia (UFRB). As características externas de diâmetro e altura dos potes de mel (n = 15/colônia) e de pólen (n = 15/colônia) foram medidas utilizando uma régua graduada. Para avaliação do peso dos potes de pólen e de mel foi utilizada uma balança digital de precisão. O volume dos potes de mel foi obtido por meio da sucção do conteúdo dos potes, com auxílio de seringas descartáveis graduadas de 20 mL. Esta foi colocada em recipiente contendo álcool 46° GL para conservação do material até a sua medição. Fatores de variação colônias e gerações Yijk = m + Ci + Gj + CGij + Eijk , onde: Yijk = influência sofrida pela repetição k, devido ao efeito da geração j sobre a colônia i.
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