Over-wintering is essential for flowering in:
A) Chow-chow
B) Onion
C) Cauliflower
D) Bittergourd
Male sterility is first identified in:
A) Onion
B) Chillies
C) Tomato
D) Cauliflower
Detasseling is the technique used for hybrid seed production in:
A) Castor
B) Cotton
C) Maize
D) Tomato
COTH-1 is a hybrid of:
A) Tomato
B) Bhendi
C) Brinjal
D) Potato
The volunteer plants are:
A) Weeds
B) Diseased plants
C) Low vigor plants
D) Plants of previous season
Occurrence of tip sterility is common in:
A) Rice
B) Sorghum
C) Barley
D) Pearl millet
Doak's method is adopted in hybrid seed production of:
A) Cotton
B) Redgram
C) Paddy
D) Castor
Ear to row progeny method is adopted in production of:
A) Breeder seed
B) Nucleus seed
C) Foundation seed
D) Certified seed
Darkened plumule occurs in:
A) Bajra
B) Groundnut
C) Sorghum
D) Redgram
Darkened plumule in groundnut occurs due to the deficiency of:
A) Boron
B) Calcium
C) Iron
D) Zinc

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