TCC - Bacharelado em Agronomia (UAG)
URI permanente para esta coleçãohttps://arandu.ufrpe.br/handle/123456789/2950
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Item Crescimento inicial de cultivares de amendoim (arachis hypogaea L.) submetidas a densidades de plantio(2019-02-11) Batista, Jamille de Freitas; Viana, Jeandson Silva; Gonçalves, Edilma Pereira; http://lattes.cnpq.br/2026865787481365; http://lattes.cnpq.br/2151004858957292; http://lattes.cnpq.br/8197852322325603The cultivated peanut species (Arachis hypogaea L.) is among the world's largest cultivated oilseeds. However, there is still no technical information on cultivars and planting densities for phytomass production. In this sense, the objective was to evaluate the emergence and initial growth of four peanut cultivars under different planting densities. The experiment was conducted in the municipality of Garanhuns-PE, in the agricultural years 2018/2019 in the dry season and under field conditions. The experimental design was a randomized block design with a 4x5 subplot scheme, with four cultivars (Runner IAC 886 and IAC 503 prostrate and BR1 and TATU ST standing erect) and submitted to five planting densities (8, 11, 14, 17 and 20 plants per linear meter). The emergence and initial growth in height (cm), number of leaves and diameter (mm) of the main stem at 28, 35 and 42 days after planting were evaluated. For the qualitative factor (cultivars), the data were submitted to analysis of variance and the means were compared by the Tukey test (significance of 5%), using SISVAR software. For the quantitative factor (densities), the regression analysis was used. Higher plant densities resulted in a lower percentage of emergence, mainly for the cultivar IAC 886. The cultivar IAC 503 obtained the highest percentage in the density of eight plants per linear meter. At 28 and 35 DAP, all cultivars increased their height, number of leaves and diameter as a function of the increase in planting density. At 42 DAP, the diameter did not differentiate between the cultivars, when it coincided with the beginning of flowering. Densities of 17 and 20 seeds per linear meter result in lower percentages of emergencies. At 35 days after peanut planting, higher values of height, number of leaves and diameter of plants are obtained with densities of 17 and 20 plants per linear meter in the agreste Pernambuco. The diameter of low - growing cultivars does not differ from cultivars of erect size at 42 days after planting.Item Rejeito industrial de cana-de-açúcar para produção e análise de sementes de cultivares de amendoim(2019-02-11) Almeida, Guilherme Tenório de; Viana, Jeandson Silva; http://lattes.cnpq.br/2151004858957292; http://lattes.cnpq.br/9331761640004208Peanut (Arachis hypogaea L.) is a plant native to South America, including Central Brazil. With considerable production in the Northeast in the states of Bahia, Paraíba, Sergipe and Ceará, reaching in the harvest of 2018 a total of approximately 2.3 tons per hectare. In order to reach high yields in the peanut crop, it is essential that there is an expressive supply of nutrients and for this, this work was developed to identify a cultivar and the source of fertilization that contributes most to crop productivity and seed quality. The study was conducted in pots with a volume of 8.5 liters, under field conditions, in a 2 x 6 factorial scheme (two cultivars x six treatments), and five replications, totaling 60 plots. The treatments were designed according to the recommended dose based on Potassium, from 0 to 150% of the dose and the addition of an additional control with traditional NPK fertilization. Variables of the plant part and the seeds harvested from the experiment were analyzed, comparing the presented differences between the cultivars and the different treatments. The cultivar Caiana obtained the highest estimate of production when using the dose of 100% of sugarcane residue followed by the Absolute Witness, presenting an estimate of 1611.69 and 1416.80 kg / ha respectively. The cultivar Tatu obtained similar results, however in different treatments. The treatments that resulted in better production estimates were those with 50% sugarcane residue per hectare and NPK fertilization, with an estimate of 1666.78 and 1535.25 kg / ha. The absolute control was the lowest value, only 418 kg / ha. The cultivar Caiana has the highest green mass and quality of its seeds superior to cultivar Tatu ST. The ash from sugarcane bagasse constitutes a good source of nutrients, however, it is recommended to repeat the experiment under other conditions to confirm its potential as fertilizer. The soil used in the experiment is of good fertility.