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Kourosh Vahdati, Naser Lotfi, Bahman Kholdebarin, Darab Hassani, Reza Amiri, Mohammad Reza Mozaffari, and Charles Leslie

drought-tolerant classes, we grouped the genotypes by cluster analysis using SPSS (SPSS Inc., Chicago, IL). Cluster analysis of genotypes was performed by the unweighted pair group mean average method (UPGMA) using the square Euclidean distance for all

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Alan W. Meerow, Tomás Ayala-Silva, and Brian M. Irish

well in slightly acidic substrates (pH = 6.5). After establishment, the plant is drought-tolerant, requiring supplementary irrigation only during prolonged periods of no precipitation. Nutritional requirements appear low; we have fertilized field

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Alefsi David Sánchez-Reinoso, Gustavo Adolfo Ligarreto-Moreno, and Hermann Restrepo-Díaz

response of drought tolerant and drought sensitive maize genotypes to water stress Austral. J. Crop Sci. 1 31 36 Ortiz, E. Cruz, M. Melgarejo, L.M. Marquínez, X. Hoyos-Carvajal, L. 2014 Histopathological features of infections caused by Fusarium oxysporum

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Brian M. Schwartz, Wayne W. Hanna, Lisa L. Baxter, Paul L. Raymer, F. Clint Waltz, Alec R. Kowalewski, Ambika Chandra, A. Dennis Genovesi, Benjamin G. Wherley, Grady L. Miller, Susana R. Milla-Lewis, William C. Reynolds, Yanqi Wu, Dennis L. Martin, Justin Q. Moss, Michael P. Kenna, J. Bryan Unruh, Kevin E. Kenworthy, Jing Zhang, and Patricio R. Munoz

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Carol D. Robacker and Sloane M. Scheiber

Abelia ×grandiflora is a hardy shrub in the landscape, surviving heat and drought with few pest problems. However, improved cultivars with better form, the ability to retain foliage during drought, and unique flowering and foliage characteristics are in demand. `Plum Surprise' is a new cultivar of Abelia that was developed at the University of Georgia in response to these needs. `Plum Surprise' is a seedling selection from the cross `Edward Goucher' × `Francis Mason'. It forms an unusual weeping, spreading mound with fine-textured foliage. In March and April, foliage is yellow-green with scattered red/purple leaves. In late spring, the foliage becomes emerald green, changing to a lighter green throughout the summer. New stem growth is red. The most striking features of `Plum Surprise' are the fall and winter foliage color and the evergreen habit of the cultivar. As autumn progresses, the outer shoots and leaves transform to red/purple or crimson, while the inner foliage is bright emerald green. Foliage is glossy in the winter, and a deep purple or burgundy color. `Plum Surprise' is a relatively light bloomer, with flowers scattered individually or in pairs. The flowers appear white, but on close examination have a purple blush with a pale yellow throat. `Plum Surprise' is noteworthy for its heat and drought tolerance. In both the summers of 2002 and 2005, when check cultivars had lost 50% to 80% of their foliage, `Plum Surprise' exhibited little leaf drop. `Plum Surprise' performs well in a pot under nursery conditions. The foliage cascades down over the pot, making an attractive appearance in both form and color.

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Andrew L. Thomas and Denny Schrock

Hundreds of perennial plant species native to the midwestern United States have potential as ornamentals, but information on how best to use such plants in the landscape remains scarce. Many horticulturists are looking for species that perform well under low-maintenance conditions and that also attract and benefit desirable fauna, such as butterflies and birds. While many of our native plants may fit into this category, not all such species will meet aesthetic criteria for home landscapes. Some native species respond to seasonal changes in temperature and rainfall by browning or going dormant. Others have very specific site requirements for moisture, soil, and humidity that may be difficult to meet in an urban landscape, or their size, growth habit, or other characteristics may make them aesthetically undesirable in the typical home landscape. This study evaluated the performance of 67 plant taxa native to the midwestern United States selected for their promising potential in a low-maintenance landscape situation.

Open access

Todd P. West, Gregory Morgenson, and Connor C. Hagemeyer

Open access

Qirui Cui, Haizheng Xiong, Yufeng Yufeng, Stephen Eaton, Sora Imamura, Jossie Santamaria, Waltram Ravelombola, Richard Esten Mason, Lisa Wood, Leandro Angel Mozzoni, and Ainong Shi

breeding programs have been created to breed drought-tolerant cowpea varieties, and some cowpea cultivars were proven to be drought tolerant. For example, the cowpea cultivars Machakos 66 and Katumani 80, released by the Kenya National program, are drought

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Haiying Zhang, Guoyi Gong, Shaogui Guo, Yi Ren, Yong Xu, and Kai-Shu Ling

productivity of watermelon. For example, the total production in Gansu province (China) declined 50% as a result of severe drought ( Feng and Wu, 2007 ). Drought-tolerant varieties, once developed, would be readily acceptable by the resource-poor, rain-fed, and

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Jianming Sun, Yiming Liu, Xianglin Li, and Bingru Huang

quality and physiological functions ( Fry and Huang, 2004 ). Use of genetic variability in drought tolerance in breeding selection or through genetic modification has made significant progresses in developing drought-tolerant cultivars of various turfgrass