Q.1
Match List - I with List - II :
Choose the correct answer from the options given below :
|
List - I
Disease of turfgrass
|
List - II
Causal organism
|
||
|---|---|---|---|
| A | Damping off Damping off | I | Marasmius oreades Marasmius oreades |
| B | Fairy Ring Fairy Ring | II | Fusarium sp Fusarium sp |
| C | Dollar Spot Dollar Spot | III | Rhizoctonia cerealis Rhizoctonia cerealis |
| D | Yellow patch Yellow patch | IV | Sclerotinia homoeocarpa Sclerotinia homoeocarpa |
- 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)
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