Inhibitory effect on rose seed germination: (IGKV CET Horti 2019)

• Key Components:
-Exocarp: Outermost, fleshy layer.
-Mesocarp: Middle fleshy layer.
-Endocarp: Innermost, hard layer.

📌 Other Options:
-ABA (Abscisic Acid): Contributes to seed dormancy.

🔴 Related terminology:
-Seed dormancy: Physiological or physical rest preventing germination.
-Allelopathy: Chemical interaction between plants inhibiting growth.