Question

Which one is a commonly used root stock for commercial guava crop?

• A. Dogridge
• B. Kainth
• C. L-49
• D. Rayan

Hint:

L-49 is associated with guava, while Dogridge is commonly associated with grape and Kainth with pear.

Answer 1

The Correct Option is C

Concept:
Rootstock is the plant part on which a desired scion is grafted or budded. In fruit crops, rootstocks are selected for compatibility, vigour and adaptability.

Step 1: Check Dogridge.
Dogridge is commonly associated with grape rootstock, not guava.

Step 2: Check Kainth.
Kainth is commonly associated with pear rootstock.

Step 3: Check L-49.
L-49 is a well-known guava cultivar and is used in commercial guava cultivation context. \[ L-49 \rightarrow \text{Guava} \]

Step 4: Check Rayan.
Rayan is not the common answer for guava rootstock in this question. Therefore, the commonly used rootstock for commercial guava crop among the given options is: \[ L-49 \] \[ \therefore \text{Correct Answer is (C)} \]