Citrus Greening • Huanglongbing, a bacteria transmitted by Asian Citrus Psyllid, results in greenish, miscolored, mishapen, and bitter fruits on infected trees • The Asian Citrus Psyllid is close to the size of a gnat • Adults, eggs, larvae or pupae may be on leaves or stems Identifying Characteristics
10
Embed
Citrus Greening Huanglongbing, a bacteria transmitted by Asian Citrus Psyllid, results in greenish, miscolored, mishapen, and bitter fruits on infected.
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Citrus Greening
• Huanglongbing, a bacteria transmitted by Asian Citrus Psyllid, results in greenish, miscolored, mishapen, and bitter fruits on infected trees
• The Asian Citrus Psyllid is close to the size of a gnat
• Adults, eggs, larvae or pupae may be on leaves or stems
Identifying Characteristics
Citrus GreeningRelationship between Bacteria and Psyllid
Tree infected with huanglongbing
(bacteria)
Carries huanglongbing to the
next feeding site
Psyllid feeds on infected tree
2
Citrus GreeningCommon Host Trees
Mandarin
Meyer LemonGrapefruit
• Lemon• Lime• Orange• Grapefruit• Pomelo
• Mandarin• Tangerine• Meyer
Lemon
3
Citrus GreeningMap – Range of Citrus Greening
American Elm
4
5
1. Leaves develop a yellow blotchy appearance
2. Sparsely leaved branches
3. Infected citrus trees produce fruits that are green and bitter
4. White waxy feeding residue from adult psyllids may be present
Citrus GreeningWhat to Look For
1
2
6
1. Leaves develop a yellow blotchy appearance
2. Sparsely leaved branches
3. Infected citrus trees produce fruits that are green and bitter
4. White waxy feeding residue from adult psyllids may be present
Citrus GreeningWhat to Look For
2
1
7
1. Leaves develop a yellow blotchy appearance
2. Sparsely leaved branches
3. Infected citrus trees produce fruits that are green and bitter
4. White waxy feeding residue from adult psyllids may be present
Citrus GreeningWhat to Look For
4
3
8
1. Leaves develop a yellow blotchy appearance
2. Sparsely leaved branches
3. Infected citrus trees produce fruits that are green and bitter
4. White waxy feeding residue from psyllid nymphs may be present
Citrus GreeningWhat to Look For
4
3
9
YEAR-ROUND: Leaves are blotchy, defoliation, green or bitter fruits,