Identificación del añublo bacterial del arroz, causado por Xanthomonas oryzae, en América
Studies the pathology of Trypanosoma vivax in East African goats and Friesian cattle, with particular. ref. to goat & cattle parasitemia, susceptibility of goats over cattle in terms of higher parasitaemias, severe anaemia & death; describes major pathological changes occurring in lymph nodes, spleen, eyes, pituitary gland, testicles, heart, lung, ...
The infection efficiency and the infection rate of the spore population of Pyricularia oryzae was lower if the percentage of races to which each cultivar was resistant was high. It appears that cultivars with resistance to a high percentage of the races of the pathogen behaved as expected for “horizontal” or “general” resistance. / Peer-reviewed
Germany