COTTON Flashcards
(25 cards)
tropical or temperate
tropical
kharif or rabi
kharif
arid or rainy areas
semi arid
narma ?
India grows both short staple (Indian)
cotton as well as long staple (American) cotton
called ‘narma’ in north-western parts of the
country.
high level of rainfall is required during flowering stage
false !!! clear sky is required !
world ranking
- china
- india
- USA
% of total cropped area
4.7%
3 cotton growing areas
north west
1. PUN
2. HAR
3. RAJ
WEST
1. GUJ
2. MAH
PLATEAUS OF
1. AP
2. TN
3. KAR
leading producers
GUJ
MAH
TEL
YEILD is high in
northwestern region –irrigation
yeild is low in
MAH - rainfed conditions
rainfall
50-100cm
temperature
21 - 30 degree celcious
it requires 180 frost free days (T/F)
false –210 frost free days
Cotton seed oil is edible oil and can also be used to produce biodiesel. (T/F)
true
pure or weight loosing
pure
fibre or cash crop
fibre and cash crop
India is the only country in the world where all four cultivated species of cotton are grown (T/F)
true
Gossypium (G). arboreum,
G.herbaceum(asian cotton)
G.hirsutum (american upland cotton)
G.barbadense (egyptian cotton)
Nearly 65 percent cotton area is rainfed (T/F)
true
insects
pink bollworms ( resistant to first generation transgenic BT Cotton and insecticides.)
whiteflies
jassids and aphids
thrips
disease
○ Grey mildew
○ Leaf Curl
○ Boll rot
○ Root Rot
○ Fungal leafspots
○ Bacterial blight
Leaf reddening
India is the world’s third-largest exporter of cotton (T/F)
true
soil
Black soil of Deccan and Malwa Plateau.
alluvial soils of the Sutlej-Ganga plain
red and laterite soils of the peninsular region
well drained soils are prefered
Cotton is semi-tolerant to salinity and sensitive to water logging and thus prefers well drained soils.
