Morphology and viability of castor bean genotypes pollen grains

Praia dos Carneiros Pontal de Manguinhos Praia de Campas Tamandaré - Norte Tamandaré - Centro Baía de Tamandaré Ilhetas-Mamucabas Praia de Mamocabinhas Praia do Porto Várzea do

Interval of variation of inbreeding depression (DE) in %, standard deviation and number of progenies with positive and negative DE among the open pollination and

(a) High germination pollen percentage of the YB42-47 genotype; (b) Low germination pollen percentage of Caprichosa; (c) Detail showing the tube length of YB42-47; (d) Pollen of

Starting at the bottom of the core, a decrease in palynomorph concentration, the presence of degraded pollen grains and spores, and the predominance of ombrophilous forest pollen

The occurrence of pollen grains with different morphology, mainly regarding to aperture number, can be directly correlated with the pollen tube germination.. Changes

Figure 4 - In vitro germination and histochemical test of Bromeliaceae pollen grains. a-b ) Pollen germination of Bromeliaceae species. fasciata in BKM medium, showing greater

Este trabalho teve como objetivo principal a análise da ocorrência de incêndios florestais no PNCV, no período de 1992 a 2003, baseando-se na descrição e análise das

Considerar as limitações, dificuldades e pensar em estratégias para lidar com elas fazem parte do serviço de orientação, mas a existência de inúmeras possibilidades de