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Got Citrus Greening? Help is Here!

4/4/2018

2 Comments

 
Citrus Greening, fruit tree, fruit tree disease, citrus disease, citrus greening diseaseAsian Citrus Psyllids nymphs (immature psyllids) infesting new growth of a lime tree
Citrus Greening is a devastating disease of citrus in Florida. It is also known as Huanglongbing (HLB). This bacterial disease is transmitted into citrus through tiny insects called Asian Citrus Psyllids. Once infected, diseased plants decline gradually, and fruit quality decreases. The disease may go undetected for some time following infection. Infected trees that may otherwise thrive for 50 years or more often succumb to the disease within 5-10 years.

Citrus GreeningUneven leaf mottling is a key symptom of Citrus Greening Disease
The most characteristic symptom of Citrus Greening disease is leaf yellowing in uneven patterns across the leaf midvein, on both sides of the leaf. Other symptoms that may be associated with Citrus Greening disease is overall yellowing, dieback of leaves, stems, and branches, poorly-tasting fruit, dry fruit, and misshaped fruit. With exception to the characteristic leaf mottling associated with Citrus Greening disease, all other symptoms may also be associated with nutrient deficiencies and other insect pest infestations or diseases.

There is no treatment for Citrus Greening. Current efforts to manage the Asian Citrus Psyllid include releasing wasps that parasitize the psyllids and investigating citrus varieties that show resistance to the disease.
Citrus greening
The Florida Department of Agriculture and Consumer Services (FDACS) is offering free parasitic wasps. To be considered, you will need to fill-out their form and follow the instructions. Here's a link: www.freshfromflorida.com/tra.

Picture: Beneficial Tamarixia wasps provided by FDACS for management of Asian Citrus Psyllids.

2 Comments
MitoGrow link
2/25/2020 13:13:28

Our company is currently working on a treatment for citrus greening. The wasps that parasitize the psyllids sure is an interesting avenue for curbing the population of the ACP!

Reply
EPLS
3/2/2020 14:49:11

Sounds exciting! Good luck on developing the treatment.

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    Author

    Roi Levin, M.Sc., C.P.O. - Business partner and manager. Roi joined EPLS in 2005 following earning his Master of Science degree in Entomology and Nematology from the University of Florida. Roi is a Certified Pest Control Operator. Best Management Practices certified. Roi provides a level of technical expertise that is uncommon in the pest management industry. He regularly offers seminars at the University of Florida Orange County Extension Office as well as at Harry P. Leu Gardens. Roi has been a guest speaker on the Better Lawns and Gardens with Tom MacCubbin radio show as well as Orange TV's Central Florida Gardening television series.

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