• Damping off $\rightarrow$ (II) Fusarium sp.: Seedling emergence blight and seed decay in establishing lawns caused by Fusarium and Pythium species.
• Fairy Ring $\rightarrow$ (I) Marasmius oreades: Basidiomycete fungus forming circular rings of stimulated dark green grass with outer necrotic bands and mushroom flushes.
• Dollar Spot $\rightarrow$ (IV) Sclerotinia homoeocarpa (syn. Clarireedia jacksonii): Induces bleached, circular, sunken silver-dollar-sized necrotic spots ($5-7\text{ cm}$ diameter) on closely mown turf.
• Yellow Patch $\rightarrow$ (III) Rhizoctonia cerealis: Cool-season turfgrass disease forming distinct yellow rings and patches during cool, wet spring/autumn weather.
• Correct Combination: (A)-(II), (B)-(I), (C)-(IV), (D)-(III), matching Option 2.

Correct option: (2) (A)- (II), (B) -(), (C} (IV), (D)-(IN)