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. Molecular screening of NC 161L and ‘Mountain Rouge’ (NC 08224) for ( A ) Mi gene (root knot nematode resistance) and ( B ) Ph-3 gene (late blight resistance). Molecular marker screening indicated that ‘Mountain Rouge’ was heterozygous for Mi and Ph-3

insights into collecting techniques and the status and dynamics of genetic diversity, but has also captured germplasm with several novel traits of interest to the potato industry. These include nematode resistance ( Brown et al., 2004 ), extremely high

southern root knot nematode resistance. ‘Burgundy’ produces excellent numbers of uniform plants in the plant production beds. ‘Burgundy’ can be harvested up to 10 d earlier than the Beauregard cultivar ( Rolston et al., 1987 ) in the California production

-susceptible rootstock, was hybridized with root knot nematode-resistant ‘Okinawa’ peach for the further development of an F2 population segregating for root knot nematode resistance ( Gillen and Bliss, 2005 ). Several F2 trees from this population were later selected

identification of genomic regions associated with other traits of interest in citrus: dwarfing gene in P. trifoliata , CTV resistance gene, citrus nematode resistance, polyembryony locus in C. unshiu , etc. ( Cheng and Roose, 1995 ; Cristofani et al., 1999

et al., 2001 ). ‘Arnoldiana’ was also imported at that time, along with six other coffee species. Unfortunately, open pollination of robusta and liberica coffee can significantly lower nematode resistance levels when progeny segregate for nematode

, salt tolerance, and ring nematode resistance ( Burton, 1991 ; Hanna et al., 1990 ). Although it was coarser and did not tolerate wear traffic as well as ‘Tifway’, its aggressive growth habit and low maintenance requirements allowed for its eventual

derived CAPS markers for root-knot nematode resistance in cotton Euphytica 152 185 196 Wolukau, J.N. Zhou, X.H. Li, Y. Zhang, Y.B. Chen, J.F. 2007 Resistance to gummy stem blight in melon ( Cucumis melo L.) germplasm and inheritance of resistance from

. This results in interferences in water and nutrient uptake by plants in addition to week anchorage, resulting in toppling of plants. Lignin and phenolic compounds might be involved in nematode resistance mechanisms in Musa ( Fogain and Gowen, 1996

. Kleinhentz, M. Arús, P. Esmenjaud, D. 2004 Microsatellite genetic linkage maps of myrobalan plum and an almond-peach hybrid-location of root-knot nematode resistance genes Theor. Appl. Genet. 109 827 838