Unhealthy Citrus Trees

Question From: 
Sue in  ARNCLIFFE,  ARNCLIFFE NSW

 

Nature of problem: 
Lemon tree / Orange tree

 

Type of Plant (if known): 
sorry unsure

 

Symptoms of Plant Illness (please try NOT to diagnose your problems yourself): 
Lemons are very dry (i.e not juicy) and brown coloured. Oranges are very sour

 

Soil Type (e.g. sandy, clay or loam) OR Potting Mix Type: 
unsure

 

How often do you water the plant:
twice a week

 

How many hours of sunlight does the plant get each day:
PLENTY! The trees are placed under direct sunlight

 

What type of plant is it:
Not sure

 

How long since you planted it:
Lemon tree- approx 12 years. Orange tree – over 20 years

 

Have you fertilised? If so, with what and when:
no

 

Is the plant indoors or outdoors: 
outdoor

 

What other treatments have you given the plant: 
none

Upload photo if available: 
IMG-20150418-WA0005.jpg

Other Comments: 
Hi Burke,

I have a lemon tree that produces lots of lemons, however they are very dry (done have much juice) and are brown coloured inside.

I also have an orange tree that produces lots of oranges, healthy looking, however they are very sour.

Any advice would be highly appreciated.

I have attatched some photos.

Cheers
Sue

 

Answer: Hi Heirserhan,   There are several possible causes of these problems. You simply must fertilise all citrus twice a year with citrus food – a full dose in August and a half dose in February. Another possible cause is grass or any groundcover growing under the canopy, this causes great stress for the plant. Lastly, stink bugs sucking the juice out of the fruit. Stink bugs are a dark bronze to orange colour and grow to about the size of a thumbnail. They can be controlled with any bug spray.   Don

 

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