GENERAL KNOWLEDGE

GK

SOIL AND AGRICULTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Citrus tristeza virus is transmitted through -
A
Plant hopper
B
Nematode
C
Aphid
D
Thrips
Explanation: 

Detailed explanation-1: -Citrus tristeza virus (CTV) is transmitted by several aphid species in a semi-persistent manner with Toxoptera citricida, the brown citrus aphid (BrCA), being the most efficient. As yet, the molecular interactions between the virus and its aphid vectors have not been determined.

Detailed explanation-2: -Description. Citrus tristeza (CTV) is a virus that causes various diseases in citrus plants. CTV diseases have multiple common names around the world. The most well-known are quick decline, tristeza, citrus seedling yellows, grapefruit stem pitting, lime dieback, and yellow dwarf.

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