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Zaprawy chemiczne jako substancje biologicznie aktywne mogą wpływać niekorzystnie na przeżywalność bakterii brodawkowych wprowadzonych na nasiona, a tym samym na efektywność całego procesu symbiozy. W doświadczeniach wazonowych badano wpływ zaprawy Vitavax 200 FS na brodawkowanie i wzrost siewek dwóch odmian grochu siewnego Cud Kalvedonu i Grapis. Niezaprawione (kontrolne) i zaprawione preparatem...
The aim of this study was to investigate the effect of the fungicide Funaben T (s.a. thiuram - 45%, car- bendazym - 20%) on the occurrence of various ecotrophic groups of bacteria in soil under pea cultivation. In the examined developmental stages of the pea, in the rhizospheric and non-rhizospheric soil, the counts of oligotrophic, copiotrophic, methyltrophic, amylolytic, pectinolytic, Pseudomonas,...
Metalaxyl seed treatments failed to control downy mildew (caused by Peronospora viciae) in New Zealand pea crops (Pisum sativum), suggesting that resistance to the fungicide had developed after several years of use. Glasshouse experiments confirmed that seed treatments with metalaxyl or oxadixyl (systemic phenylamide fungicides) were ineffective for downy mildew control in young pea seedlings inoculated...
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