Efeito do stress hídrico no crescimento de três variedades de feijão nhemba (Vigna unguiculata (L) Walp)

Abstract

Texto de origem 1493 / 5000 Resultados de tradução Cowpea constitutes one of the basic foods in the diet of the Mozambican population in the three regions of the country. The present work had the general objective: To evaluate the effect of water stress on the growth of three cowpea varieties, namely Massava-nhassenje, IT82D-182 and The experiment was carried out in the greenhouse of the Department of Biological Sciences of the Eduardo Mondlane University (UEM), in the period between August 19 - October 2, 2008. The plants were subjected to two treatments: control plants and plants under water stress conditions. The control plants were watered every 2 days with running water, and those subjected to water stress were watered every 4 days after determining the volumetric water content of the soil. The sampling was of the destructive type and consisted of the harvest of 6 plants for each variety and treatment each week for three harvests. of the studied varieties, it was found that the Massava-Nhassenje variety was the one that showed the greatest resistance to water stress, because of the various parameters measured, it showed greater AF, RPF, CRA and NF when compared to the IT82D- varieties. 812 and Namarua under water stress conditions. The Massava-Nhassenje variety was also the one with the highest tolerance index in relation to the other two varieties. (TRADUÇÃO NOSSA)