New Growth is dying, leaves are turning yellow and falling off.

Guava    None Given

Leaves on 6' guava tree are turning yellow and falling off and all new growth dies at various stages of development. All fruits fell off as well.
-----updating question-----
Thank You for your time and expertise. Is this something a Plum Tree can be infected with as well? The Plum has similar symptoms.

Posted by: Marshall (1 point) Marshall
Posted: June 25, 2016

Dr. Ravishankar Narayana commented,
Some pictures will be helpful.
over 4 years ago.


It looks like your guava tree is infected with anthracnose disease (fungal) caused by Colletotrichum gloeosporioides. It infects leaves, petioles, stem and fruits. On stem it causes dieback symptom, where the stem dies backward from tip of the branches (green growing tip will change to dark brown and then to black due to necrosis). It results in immature falling of leaves, fruits and young shoots.
On leaves, the fungus causes large, irregular dead spots at the tip or on the margin. This spot may become pinkish color due to spore masses.
On fruits you will see circular sunken brown to black spots which later enlarge as the disease progress. May also infect buds and flowers.

1. Remove the infected parts, plant debris and burn them.
2. Avoid overhead application of water and leaf wetting.
3. Spraying copper one or two times helps in controlling the disease.

Posted by: Dr. Ravishankar Narayana (13 points) Dr. Ravishankar Narayana
Posted: June 27, 2016

Dr. Ravishankar Narayana commented,
Yes it is possible that your plum tree also infected with this pathogen. This pathogen have wide host range. It infects guava, apples, pears, nectarines, plums, tart cherries, grapes, nuts, vegetables, various legumes, herbaceous annuals, and perennials.
over 4 years ago.

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