Difference in Meloidogyne incognita propagation among ground cherry species
2017
Okada, H. (Central Region Agricultural Research Center, NARO, Tsukuba, Ibaraki (Japan)) | Sekimoto, S. | Araki, M.
Propagation rate of a Japanese isolate of Meloidogyne incognita (MI) was compared among ground cherry species (Physalis spp.) including up to seven varieties in two pot experiments in a greenhouse. The gall index (0-4), egg mass number and second stage juvenile density in soil were evaluated about one and half months after nematode inoculation. Two varieties of P. pruinosa had significantly greater gall index, egg mass number and juvenile density than the other Physalis species examined, indicating the species could be susceptible to MI. Furthermore, three varieties of P. peruviana, and a single variety of P. ixocarpa (syn. P. philadelphica) as well as a single variety of P. alkekengi had the opposite trend, indicating these three species could be resistant or moderately resistant to MI.
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