Frequently asked questions
Frequently asked questions
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Where can I find more information on the ACP?
Where can I find more information on the ACP?
We recommend digging through some of the California-based websites. They helped us tremendously in this project. Here are a few:
Is my citrus tree infected?
Is my citrus tree infected?
Remember the ACP targets citrus trees, so always be observant of citrus plants in general. To ensure safety, please visit the Tulare County AG website , contact an official, and have them determine the problem.
What is citrus greening?
What is citrus greening?
Huanglongbing (HLB), also referred to as citrus greening, is a systemic bacterial disease that affects all citrus varieties and other plants in the Rutaceae family. Ornamental plants can also be infected, including boxwood and orange jasmine.
What causes citrus greening?
What causes citrus greening?
HLB is caused by the bacterium, Candidatus Liberibacterasiaticus. The bacteria are located in the part of the tree vascular system known as the phloem and are harmless to humans. The Asian citrus psyllid can also acquire the bacteria from an infected tree and is the vector of the disease. The bacterium reproduces in the plant and in the psyllid.
How does citrus greening spread?
How does citrus greening spread?
HLB is spread by the Asian citrus psyllid (ACP). The most frequent method is the ACP. The insect has piercing, sucking mouthparts that allow it to acquire and transmit the bacteria to and from the plant phloem, part of the tree’s vascular system.
What does the ACP look like?
What does the ACP look like?
The adult psyllid is approximately 3–4 millimeters (0.12–0.16 inch) long and stands at a 30 degree angle. The adult psyllid is approximately the size of an aphid. Psyllids can fly at least 1.25 miles, can be carried by the wind, and move quickly when disturbed. They prefer to feed and lay eggs on new flush.
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