The production of millet has been increasing in Brazil, principally as a cover crop and for animal feeding. However, there is little information about the responses of millet crops to application of fertilizer, including organic fertilizers. The aim of this study was to quantify the agronomic features and the bromatological composition of millet following application of organic and inorganic fertilizers. The experiment was carried out in completely randomized blocks with 4 fertilizer treatments: cattle manure, poultry compost, chemical fertilizer and a Control, each with 4 replications. Plant height, stem diameter, number of tillers and leaves, number, length, diameter and mass of the panicle, 1,000-grain weight, plant dry matter yield, chlorophyll index and bromatological composition of grain and whole plant were evaluated. All treatments that received fertilizer, regardless of the source, showed better performance than the Control, but only cattle manure produced significant responses in DM yield (P<0.10). Fertilizer application did not affect the bromatological composition of millet plants and grains. Further studies are warranted on these soils to determine the justification for applying any fertilizer to millet crops, whether inorganic or organic.
Este é um artigo publicado em acesso aberto (Open Access) sob a licença Creative Commons Attribution, que permite uso, distribuição e reprodução em qualquer meio, sem restrições desde que o trabalho original seja corretamente citado. Efeito de extrato vegetal de Schinus terebinthifolius no crescimento micelial de Colletotrichum acutatum do morangueiro Effect of Schinus terebinthifolius vegetal extract on mycelial growth of Colletotrichum acutatum of the strawberry
Many factors may interfere in the quality of millet seeds; however, it is not known whether the location at different positions of the panicle may affect this quality. This study aimed to evaluate the quality of millet seeds produced at different positions of the panicle using uniformity, 1,000-seed mass, water content, X-ray, germination, seedling length, seedling dry matter mass, cold and health tests. The panicles were divided into five equidistant portions (proximal 1, proximal 2, intermediary, distal 1 and distal 2), starting from the panicle insertion. It was observed that there are differences among the positions of the seeds in the panicles related to the physical, physiological and health characteristics. The seeds located at the ends of the panicles presented a lower mass and physiological potential. The highest occurrence of Fusarium sp. was verified in the seeds from the proximal 1 portion, what might indicate a possible cause for the reduction in the physiological potential. Seeds from the intermediary portion present a higher mass, percentage of intact seeds and physiological potential.
Este é um artigo publicado em acesso aberto (Open Access) sob a licença Creative Commons Attribution, que permite uso, distribuição e reprodução em qualquer meio, sem restrições desde que o trabalho original seja corretamente citado.
Revestimento de sementes de milho com quitosana e biomassa microalgalCorn seed coating with chitosan and microalgal biomass
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