Important of plant disease and effect on human

1. 
Govt. EVPG College Korba
Department of Botany
Paper IV
Important of plant
disease and effect on
human
Guided By:
Dr. Renu bala sharma
Prepared by:
Mahi Gupta
M.Sc. III sem (Botany)

3. 
Effect of plant disease on human
affairs
History
 Between 1840-1847 , in Irelend a disease late Belight of
poteto caused by Phytopthora infestans .
 In 1870, in Sri lanka a disease Coffee rust caused by
Hemileia vastatrix.
 In 1930, in Central and South America a disease Sigatoka
caused by Mycosphaertlla musicola.
 Between 1878-82, in France a disease Downy mildew
caused by Plasmopara viticola.

4. History
 In 1942, India Bagal Famine was caused due to
Helminthostorium disease of Rice caused by
Helminthostorium oryzea.
According to Padmanabhan, nothing as devastating as
the Bangal Epiphytotic of 1942 about 2 million people died due
to starvation. This is recorded as the most epiphytotic of plant
pathology.
 In 1946-47, in India (MP) a disease Wheat rust was
responsible for food shortage.
 In 1951, in Bombay, a disease bacterial Blight of Rice which
was thought to be confined Japan widely spread in India.

5. History
 In 1963, in India (Bihar) the bacterial blight of Rice disease
appeared with the introduction of TAICHUNG NATIVE 1.
 It caused pandemic within 2 years.
 Recently an Ergot disease of bajara caused by Claviceps
microcephala.
 In 1974-75, in Brazil Coffee Rust disease breakdown and
spread to Columbia.
 In 1938-39, in Northern India (Bihar, Punjab & UP) a huge
loss due to disease Red-Rot of Sugarcane caused by
Glomerella t.

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8. 
 B P Pandey
 R S Mehrotra
 Google scholar
Reference