Raphanobrassica was developed from which of the following crosses?

✅Explanation:
Raphanobrassica is an intergeneric hybrid genus produced by crossing Raphanus sativus (radish) and Brassica oleracea (cabbage). The cross was first made in the early 19th century by the Swedish botanist J.G. Kohl.

• Here's a breakdown of the options:
-Raphanus sativus X Brassica nigra: This cross has been attempted but has not been successful in producing viable offspring.
-Raphanus sativus X Brassica carinata: This cross has been attempted but has not been successful in producing viable offspring.
-Raphanus sativus X Brassica campestris: This cross has been attempted but has not been successful in producing viable offspring.

🔴Related Terminologies::
-Intergeneric hybrid: A hybrid between two different genera.
-Viable offspring: Offspring that are able to survive and reproduce.