Correct option is B
The correct answer is: B) Citrus tristeza
Explanation:
Citrus tristeza is caused by the Citrus tristeza virus (CTV), which leads to a range of symptoms in citrus plants, including stem-pitting. This disease affects the vascular tissues of the plant, causing a decline in the tree's health and production.
Citrus tristeza is caused by the Citrus tristeza virus (CTV), which leads to a range of symptoms in citrus plants, including stem-pitting. This disease affects the vascular tissues of the plant, causing a decline in the tree's health and production.
The stem-pitting is one of the classic symptoms of the disease, particularly on the roots and stem of the infected tree. The virus is transmitted by aphids, and affected trees show signs of poor growth, yellowing, and dieback.
Information Key Points:
It leads to decline, yellowing, and dieback in citrus trees.
Transmission is primarily through aphids.
Citrus exocortis: Caused by a viroid, it leads to stem-pitting, but Citrus tristeza is the more common and serious disease related to this symptom.
Citrus greening: Caused by bacteria, this disease leads to yellowing and misshapen fruit.
Citrus canker: Caused by the bacterium Xanthomonas axonopodis, this disease affects the fruit and leaves.
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