In Sunflower, production of foundation seed requires as isolation distance of__________________?

Related Mcqs:

1. In Bindi, production of foundation seed needs an isolation distance of__________________?

   A. 100 meters
   B. 50 meters
   C. 200 meters
   D. 3 meters

2. Breeders seed production is taken up from the nucleus seed B and A lines are pollinated in an isolation of 1 Km in a ratio of_________________?

   A. 1:2
   B. 1:3
   C. 1:4
   D. 1:5

3. In wheat, production of certified seed needs an isolation distance of____________________?

   A. 5 Meters
   B. 4 Meters
   C. 3 Meters
   D. 2 Meters

4. Prescribed germination percentage of foundation seed of ground nut is_________________?

   A. 70
   B. 20
   C. 85
   D. 90

5. The seed dormancy of rice seed can be broken by putting into the oven at____________________?

   A. 50°c for 5 hrs
   B. 53°c for 6 hrs
   C. 45°c for 6 hrs
   D. none of the above

6. Hitting the seed with force against a hard surface to break seed dormancy is called_______________?

   A. Impaction
   B. Abrasion
   C. Stratification
   D. Scarification

7. In pulses, for the production of nucleus seed we require minimum of_________________?

   A. 300 plant progenies
   B. 400 plant progenies
   C. 500 plant progenies
   D. 200 plant progenies

8. Oka (1975) has suggested that me population size suitable for maintenance and seed production of a commercial crop of a self pollinated species should be________________?

   A. 100 plants
   B. 200 plants
   C. 300 plants
   D. 400 plants

9. Sunflower is allelopathic crop to many____________________?

   A. Microorganisms
   B. Weeds
   C. None of the above

10. Use of tetrazolium staining for assessment of seed quality was suggested by________________?

    A. Woodstock (1973)
    B. Moore (1973)
    C. Maguire (1962)
    D. Germ (1950)