The evaluation of a soybean (Glycine max (L.) Merrill) germplasm collection under stressing abiotic conditions

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R. Ortiz,

Abstract

The wide soybean productive potential in spring sowings is affected by serious stressing conditions of high temperatures and strong rainfalls during all the cycle, which negatively influence on maturity and harvesting time within Ausgust-September period. In this sense, a great germplasm collection existing in Cuba was evaluated under such conditions, so as to find the most affected variables as well as which genotypes could be used as parents in a breeding program, to obtain adequate individuals for spring sowings. Qualitative and quantitative characters were evaluated and processed according to a multivariate analysis and a wide variability was recorded under the severe abiotic stress conditions. The most affected variables were: number of days until harvesting, plant dryness and leaf fall, pod number and yield per plant. 19 varieties were selected as possible parents, taking into account their yield, pod number per plant and uniform dryness.

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How to Cite
Ortiz, R. (2013). The evaluation of a soybean (Glycine max (L.) Merrill) germplasm collection under stressing abiotic conditions. Cultivos Tropicales, 21(1), 67–72. Retrieved from https://ediciones.inca.edu.cu/index.php/ediciones/article/view/736
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Original Article

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