Which of the following monoecious line is used for the development of muskmelon F1 hybrid-Pusa Rasraj?
A. M1
B. M2
C. M3
D. M4
Answer: Option C
Solution(By Examveda Team)
M3 is the monoecious line used for the development of muskmelon F1 hybrid-Pusa Rasraj. A monoecious line M-3 developed at IARI and crossed with Durgapura Madhu gave rise to the F1 hybrid, Pusa Rasraj.As a result of the development of a true breeding line, the muskmelon hybrid Pusa Rasraj was developed.
These homozygous gynoecious lines are maintained by using GA3, 1500 ppm or silver nitrate 200 - 300 ppm or sodium thiosulphate 400 ppm to induce staminate flowers at two and four true leaf stages.
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