Von Schmeling and Kulka first time demonstrated the systemic activity of fungicides in
A. 1960
B. 1966
C. 1970
D. 1975
Answer: Option B
Solution(By Examveda Team)
Von Schmeling and Kulka first time demonstrated the systemic activity of fungicides in 1966.A SYSTEMIC fungicide may be defined as a fungicidal compound that is readily translocated as such in the plant, rendering the tissues penetrated toxic to fungi.
In their treatment they treated pinto bean and barley seed with 1,4-oxathiin derivatives gave disease control by systemic fungicidal action of such pathogenic fungi as Uromyces phaseoli and Ustilago nuda.
Related Questions on Plant Pathology
Which photosynthetic bacteria possess both PS I and PS II?
A. Purple sulphur bacteria
B. Cyanobacteria
C. Purple nonsulphur bacteria
D. Green sulphur bacteria
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