Question

Peanut bud necrosis virus (PBND) is transmitted by:
(A) Aphis gossypii and Myzus persicee
(B) Aphis maydis and Toxoptera graminum
(C) Thrips palmi and Frankimella schultzei
(D) Planococcoides njalensis and Pentalonia nigronervosa

Choose the correct answer from the options given below:

• (A) and (B) only
• (B) and (D) only
• (C) only
• (A) and (D) only

Hint:

Thrips transmit viruses in a persistent-propagative manner - the virus replicates within the insect vector.

Answer 1

The Correct Option is C

Step 1: PBND is a tospovirus, transmitted only by thrips, never aphids or mealybugs.
Step 2: This rules out combinations A, B, and D, which list aphid or mealybug species.
Step 3: Combination C lists Thrips palmi and Frankiniella schultzei, genuine thrips vectors.
Step 4: The correct answer is (C) only.