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Old 19th August 2007, 03:30 PM   #1 (permalink)
Eric Frei Administrator - Brisbane L5 (Dip) Hort Cert III Arb + some
 
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Join Date: Jan 2007
Location: Brisbane
Posts: 6,606
Default Citrus tree patholgy - care - diseases

We have a fruit tree section however citrus trees seem to need their own section.

Some handy links

This one is targeting Adelaide however has good general care content and how much water they like a week.

Gardening Australia - Fact Sheet: How To Manage Citrus Trees


This one targets 4 specific diseases in the Texas Rio Grande region.

Texas Citrus - Viral Diseases


This one is targeting California citrus trees, very good.

CCPP - Diseases


Citrus greening disease is also known as Huanglongbing.

One of the worst problems in citrus trees is citrus greening - a bacterial disease that has no cure. It grows in the tissue of citrus plants and eventually causes the tree to die. It is spread by a sap-sucking insect that is not present in Australia. Bringing infected material into Australia could introduce the disease and the insect that spreads it.

Diseases of plants: Citrus greening disease - DAFF


This one focuses on citrus canker, if your trees get this then in many cases the govt steps in and gets rid of your trees if not your whole orchard!

Citrus canker - Wikipedia, the free encyclopedia

In Australia it cost big money when an outbreak occured in Queensland around June 2004.

Quote:
An Emerald citrus grower in central Queensland says he did not want to "raise the alarm" on the alleged importation of illegal plant material by Evergreen Farms for fear the owners would sue him.

Canker hearing told citrus grower feared being sued - ABC News (Australian Broadcasting Corporation)
Quote:
The campaign to help for Queensland growers affected by citrus canker has been wound up with a disappointing result.

All citrus in the Emerald region had to be destroyed in 2004, costing growers over $100 million.

Citrus canker campaign disappoints Qld growers - 14/08/2007
Exotic plant pests - Citrus canker (Dept of Primary Industries & Fisheries, Queensland)
Current situation (Dept of Primary Industries & Fisheries, Queensland)
Diseases of plants: Citrus canker - DAFF
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