Summary
Through recurrent selection and progeny testing, five bitter almond genotypes have indicated dominance of resistance for the root-knot nematode Meloidogyne javanica.
All progenies from reciprocal crosses of resistant bitter almonds x susceptible sweet almonds were found completely resistant in four out of five bitter almond progenies. One selection showed near complete dominance of resistance. Progenies of resistant peach x susceptible almond cultivars segregate as to resistance, thus pointing to a possibly different mode of inheritance of nematode resistance in resistant peach as compared with almond.
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References
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Kochba, J., Spiegel-Roy, P. Inheritance of resistance to the root-knot nematode (Meloidogyne javanica Chitwood) in bitter almond progenies. Euphytica 24, 453–457 (1975). https://doi.org/10.1007/BF00028213
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DOI: https://doi.org/10.1007/BF00028213