Class 9 - improvement in food resources

8. Green Revolution is the process of
increasing food production through
high
yielding crop varieties and modern
agricultural techniques in
underdeveloped and developing
nations.
. Dr. Norman E. Borlaug, an
American
agronomist the “Father of the
Green
Revolution”, received the Nobel
Peace Prize in 1970.

9. . In India Dr. M. S.
Swaminathan joined
with Dr.Borlaug in
bringing Green
Revolution
by introducing Mexican
wheat varieties. This
eventually increased
wheat and rice
production between
1960 and 2000.

10. Semi-Dwarf varieties in
Wheat and Rice
Sonalika, Kalyan Sona are
semi-dwarf
varieties of wheat developed
from highyielding, semi-
dwarf, fertilizer responsive
wheat varieties from
Mexico.

15. Study any one examples in each - others
extra knowledge

25. A) WEED CONTROL
B) CROP DISEASES CONTROL
C) STORAGE OF GRAINS

26. Xanthium
Cyperus rotundus
Opuntia
Parthenium

28. COMMON CROP DISEASES
1)
Late blight of
potato - by
fungi
Phytophthora
<-----
Red rot of
sugracane- by
fungi -
Colletotrichum
---->
Citrus canker
- by bacteria
Xanthomona
s ^
|

29. Loose smut
of wheat by -
fungi -
Ustilago
<-----
Wheat rust -
by fungi
Puccinia
<-----
Rice blast by fungus -
Magnaporthe
bacteria ^

31. DDT and Malathion only important

37. INDIGENOUS - NATIVE
Exotic - Foreign breeds

38. Succesful cross breeds of native and exotic cattle species