Citrus Tree is Dying

[ferice]

I recently fertilized my citrus tree with this organic fertilizer two weeks ago. Now, it appears to be killing it.

 

[Chuck]

View attachment 10962 View attachment 10963 View attachment 10964 I recently fertilized my citrus tree with this organic fertilizer two weeks ago. Now, it appears to be killing it.

The organic fertilizer will not hurt the tree even if you over applied it, unlike chemical fertilizers. This looks more like a weather related issue. Any sudden temperature changes about a month ago where it got colder than normal.

 

[Greenhorn]

Water or heat stress are common causes of leaf curling, pests and fungus can also cause, from the picture I don't see much pest activity. Any sticky matter, black soot, or tunnels (white lines) in the leaves? The fertilizer looks like 5-2-6 and it suggests 2 lbs or 6 cups for plants up to 3 feet. What application rate did you use just out of curiosity? I think 2 lbs would result in 3.2 oz of pure Nitrogen (5% of 1 lb x 2 or 10% of 2 lbs) which is not out of line and nitrogen is the primary fertilizer for citrus.The tips seem fine so doubtful a micro nutrient issue.

What was the watering schedule prior to application and what has been the watering schedule post application? Any sun or temperature changes for your area in the same time frame?

Below is a good citrus diagnosis chart.

http://extension.arizona.edu/sites/extension.arizona.edu/files/pubs/az1492.pdf

 

[ferice]

It has been colder than normal here. Temperature has dropped in the 40 and 50s during the night and early morning. Since I purchase it, the normal temp was between 76 and 95 until 2 weeks ago.

 

[Chuck]

It has been colder than normal here. Temperature has dropped in the 40 and 50s during the night and early morning. Since I purchase it, the normal temp was between 76 and 95 until 2 weeks ago.

I really wouldn't worry too much. The leaves may or may not drop off but your tree won't die. If it gets into the low 40's cover it with a sheet or Nsulate

 

[Vinaya]

Perhaps,you hurt the tap root while applying compost. Since this is winter time,it is also possible that the crumbling leaves is the result of cold weather. water the plant with curd whey, it will help.