2009
DOI: 10.1590/1808-1657v76p1152009
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Análise Dos Grãos De Pólen De Diferentes Cultivares De Manona (Ricinus Communis L., Euphorbiaceae): Conservação E Viabilidade

Abstract: RESUMO A análise da fertilidade dos grãos de pólen de Ricinus communis (mamona) é de grande importância para programas de melhoramento, permitindo o manejo e uso adequado das coleções existentes e a criação de cultivares interessantes na produção de biodiesel. Neste trabalho, optou-se por um processo preditivo baseado no método citológico de coloração dos grãos de pólen e no método de germinação in vitro dos grãos, após tratamentos de conservação a baixas temperaturas, para a verificação da viabilidade, import… Show more

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Cited by 4 publications
(1 citation statement)
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“…The pollen grains stained with acetic carmine were analyzed and classified as normal/viable (stained grains with intact exine and larger size) and abnormal/unviable (visually small size and weak color). While acetic carmine is not clearly discriminant of viable pollen grains, it has been employed previously to differentiate between empty, deceased pollen grains and those that might be potentially viable [16]. For the preparation of the slides, the corolla of the floral bud was removed with the aid of a scalpel; then, the removal of the banner, wings, and keel was performed for the exposure of the stamens; then, the fillet was removed, leaving only the anthers containing the pollen grains (Figure 1a-f) [17].…”
Section: Pollen Viabilitymentioning
confidence: 99%
“…The pollen grains stained with acetic carmine were analyzed and classified as normal/viable (stained grains with intact exine and larger size) and abnormal/unviable (visually small size and weak color). While acetic carmine is not clearly discriminant of viable pollen grains, it has been employed previously to differentiate between empty, deceased pollen grains and those that might be potentially viable [16]. For the preparation of the slides, the corolla of the floral bud was removed with the aid of a scalpel; then, the removal of the banner, wings, and keel was performed for the exposure of the stamens; then, the fillet was removed, leaving only the anthers containing the pollen grains (Figure 1a-f) [17].…”
Section: Pollen Viabilitymentioning
confidence: 99%