Fertilization

Selection of inbred maize (Zea mays L.) progenies by topcrosses conducted in contrasting environments

C. S. Rodrigues, Pacheco, C. A. P., Guedes, M. L., Pinho, R. G. V., Castro, C. R., Rodrigues, C. S., Pacheco, C. A. P., Guedes, M. L., Pinho, R. G. V., and Castro, C. R., Selection of inbred maize (Zea mays L.) progenies by topcrosses conducted in contrasting environments, vol. 15, p. -, 2016.

The aim of this study was to identify inbred progenies of S0:1 maize (Zea mays L.) plants that were efficient at a low level of technology and responsive at a high level of technology through the use of topcrosses. Two contrasting environments were created using two levels of base fertilization and topdressing, so that the levels of nitrogen, phosphorus, and potassium were applied four times higher in one environment than in the other.

Exceptional material requirement for reproduction in mouse oocytes

L. Yu, Wang, S. F., Zhai, Q. Z., Yao, Y. Q., Jiang, F., and Lu, Y. X., Exceptional material requirement for reproduction in mouse oocytes, vol. 14, pp. 14356-14365, 2015.

Limited information on oocytes and fertilization prevents the efficient therapy of patients with infertility. The most important reason for this lack of understanding is a deficiency in research dedicated to oocytes and fertilization. Currently, we are concerned with the role of nutrition in the process of oocyte development to better understand the relationship between nutrition and infertility. The aim of this study was to explore the relationship between some exceptional materials and infertility to elucidate the role of these materials in oocyte development.

Evidence of genetic tolerance to low availability of phosphorus in the soil among genotypes of Coffea canephora

L. D. Martins, Rodrigues, W. N., Machado, L. S., Brinate, S. V. B., Colodetti, T. V., Amaral, J. F. T., and Tomaz, M. A., Evidence of genetic tolerance to low availability of phosphorus in the soil among genotypes of Coffea canephora, vol. 14, pp. 10576-10587, 2015.

The expansion of agriculture to new areas in order to increase the competitiveness of coffee producing countries has resulted in cultivation expanding into regions with lower natural fertility. This scenario has created the need to differentiate genotypes of Conilon coffee based on their tolerance to low levels of nutrients in the soil, especially phosphorus, which imposes high limitations on crop yield in tropical regions.

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