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Apple is one of the most important species among the temperate fruit crops. According to Vavilov (1930) , Central Asia is the center of origin for the domestic apple. His theory of “geography of genes,” that germplasm for breeding for resistance

accumulate Si in all tissues, although some may accumulate high Si concentrations in roots, and perhaps other tissues, but not in foliage. Recent studies have shown that root Si fractions in nonaccumulators may be as high as, or higher than, in Si

.S. landscape rose sales ( Pemberton and Karlik, 2015 ). The Texas A&M University Earth-Kind ® Landscape Management Program has been conducting rose trials under low-input conditions since the 1990s. Cultivars with strong pest and disease resistance that

resistance include osmotic adjustment, ion exclusion from root uptake, tissue tolerance by compartmentalization of ions into vacuoles, salt excretion by salt glands, and increased succulence to dilute salts within plant cells ( Deeter, 2002 ; Munns, 2005

bedding plants, this practice needs to be reexamined. Many garden plants are being produced as vegetative cuttings, which require production in larger pots (i.e., ≥4-inch-diameter). The increased root substrate volume allowable in pots versus plugs and

availability, and resistance to many plant pests. The genus Mandevilla belongs to the family Apocynaceae, subfamily Apocynoideae, tribe Mesechiteae, and includes more than 170 species, most of which are native to the tropical forests of South and Central

. Hu, F. Yang, J. Yang, G. Yang, Y. Xx, P. Li, J. Ye, C. Dai, L. 2004 Cytoplasm and cytoplasm-nucleus interactions affect agronomic traits in japonica rice Euphytica 135 129 134 Thies, J.A. Levi, A. 2003 Resistance of watermelon germplasm to peanut root

flower color. Usually, N. nucifera appears with white, pink, or red flowers ( Zhang et al., 2011 ), whereas the flower of N. lutea is characterized by its yellow flowers. In China, lotus has a long cultivation history of more than 3000 years, and

habit drooping; blooms mid-April in Andrian; similar disease resistance/susceptibility to other Fuji-type varieties. E756-36. Pink-fleshed, crisp with pleasant taste. Origin: NIAB EMR, Cambridge, United Kingdom, by K.M. Evans. Gala × SA908

, several polyantha rose cultivars were acquired and evaluated for their performance in Minnesota. Although many had desirable ornamental features, their winter hardiness and disease resistance were not sufficient for Minnesota landscapes. In 1992, an