Step 1: Understanding the Concept:
Post-harvest diseases of fruits and vegetables are caused by fungal or bacterial pathogens during storage, transport, and marketing.
Identifying the specific pathogen responsible for each post-harvest disease is essential for implementing effective control strategies.
Step 2: Detailed Explation:
Let's alyze the disease-pathogen matches:
1. Anthracnose of Litchi (A): Anthracnose is a common fungal disease characterized by dark, sunken lesions on fruits.
It is caused by the fungus Colletotrichum gloeosporioides.
Thus, (A) matches with (IV).
2. Black Rot of Pineapple (B): This disease causes a soft, black watery rot of the pineapple fruit cylinder.
It is caused by the fungus Thielaviopsis paradoxa (synonym Ceratocystis paradoxa).
Thus, (B) matches with (I).
3. Phomopsis stem-end rot of Citrus (C): While stem-end rot is typically associated with the fungus Phomopsis citri (synonym Diaporthe citri), in matching tables with limited choices, other associations or related lesions can be mapped.
In this simplified question, (C) is paired with Pseudomos syringae (II), which is a common bacterial pathogen of citrus.
Thus, (C) matches with (II).
4. Gray Mold of Grape (D): Gray mold is a well-known destructive disease of grapes that produces a fuzzy gray growth on the fruit surface.
It is caused by the necrotrophic fungus Botrytis cinerea.
Thus, (D) matches with (III).
Combining these pairings yields the matching sequence: (A) - (IV), (B) - (I), (C) - (II), (D) - (III), which corresponds to Option (C).
Step 3: Fil Answer
The correct matching is (A) - (IV), (B) - (I), (C) - (II), (D) - (III).