Cotton Oneliner - Agronomy Important Q & A For All Competitive Exam

 Cotton Oneliner - Agronomy Important Q & A For All Competitive Exam

1.    Origin of cotton: India

2.    Botanical name of cotton: Gossypium spp.

3.    Family of cotton: Malvaceae

4.   Chromosome number:

• Desi cotton: 2n=26
•  American cotton: 2n=52

5.   Spacing of cotton:

•  Desi cotton: 60 x 15 cm
•  American: 60 x 30 cm
•  Hybrid: 120 x 45 cm
•  Bt cotton: 100 x 100 cm
•  Ultra narrow row: 19 x 19 cm

6.    Cotton is known as white gold.

7.    Cotton also known as back bone of textile industry.

8.    Cotton is a King of appraisal fiber.

9.    Cotton is a Deep rooted crop.

10.   Cotton is a C3, Self pollinated, day neutral.

11.    Epigeal germination in cotton.

12.    Cotton fiber length is measured by arealometer.

13.    Cotton is a Hardy crop most drought tolerant crop.

14.    Seed multiplication ratio: 1:50

15.    Bt- cotton is discovered by Japanese scientist Eshivata in 1901.

16.    In bt-cotton cry-1 gene responsible.

17.    Cry-1 gene also known as ammien gene.

18.    Cry-1 gene produced a protein against spotted bollwarm.

19.    Bt (Bacillus thurogensis) is a soil bacteria.

20.    Seed rate of cotton-

•    Desi cotton: 10-12 kg/ha
•    American: 15-20 kg/ha
•    Hybrid: 2-3 kg/ha.
•    Bt. Cotton: 1.5-2.0 kg/ha. 

21.  Temperature required in cotton:

• For germination: 16⁰C
• For vegetative growth: 21-27⁰C
• Cotton can tolerate temperature upto 43⁰C