Assertion is true but the reason is lalse aud is not the correct explaination. Ausuer wust be ( (c) ). The sell inconipability plecuofype of the pollon is deleturined by laplool gemofype. In an incompatible situation, the s-enase degrade pollem ANA ithereby procucuting bollen tube growth
echanis reby fertilisation or pollen tube 10. Assertion : Self-incompatibility is a genetic mecha which prevents self-pollination and thereby ferry by inhibiting either pollen germination or poller growth in the pistil. Reason: In gametophytic self-incompatibility. th incompatibility reaction is determined by the geno of the sporophytic tissue of the plant from which pollen is derived."