A. Okasha Salah, H. Mubarak Mohamed, Evaluation of Some Sugar Beet Genotypes Under Drought Stress Based on Selection Indices, Journal of Agronomy Research, Volume 1, Issue 1, 2018, Pages 34-48, ISSN 2639-3166, https://doi.org/10.14302/issn.2639-3166.jar-18-2083. (https://jndc-chemistryarticles.infojar/article/793) Keywords: Sugar beet- Tolerant indices; Correlation; Principal components; Biplot