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The ability of PVM, PVY and PVX viruses and their progeny to distribute themselves and accumulate in primary infected potato plants by mono‐ and mixed infections is analysed. It is shown, that the transport and accumulation of virus in inoculated potato plants depends on variety resistance,...
In researching the function of the system of Globodera rostochiensis resistant plants, we observed the development of G. rostochiensis (pathotype Ro 1) in glasshouse experiments. For a period of two months, we determined the qualities (the presence of juveniles stages) and quantities (the ratio...
The effects of the phyotoxin from the fungal pathogen Rhizoctonia solani, causing sheath blight on the expression of defense‐related proteins of rice were investigated. The toxin inactivated by chemical treatment and by the toxin‐inactivating enzyme α‐glucosidase produced by Trichoderma viride...
The results of computing the structure of the resistant and susceptible stands bear evidence that in a resistant one, about 20% trees have low resistance and compose a limited trophical niche of the pest. The checking up of this suggestion conducted in a region with different ecological...
The possibility of using sphecid wasps to control acridid pests is discussed. A list of 19 Ethiopian species that could be utilized for this purpose is provided.
Three native Egyptian nematode isolates; Heterorhabditis taysearae and Heterorhabditis sp. S1 (Heterorhabditidae) and Steinernema carpocapsae S2 (Steinernematidae) as well as H. bacteriophora Hp88 as an imported species, were used in the present work to evaluate their activities against larvae...
PRELL, HERMANN H.; DAY, PETER: Plant‐Fungal Pathogen Interaction A Classical and Molecular View, 2001–09–18, 15 Abb., 12 Tab., 214 Seiten, Preis: DM 129,00, ISBN 3–540–66727‐X, Springer‐Verlag, Berlin, Heidelberg, New York. Isaae Ishaaya (Ed.). Biochemical Sites of Insecticide Action and...
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