Gallery

Close-up of lesions on tangelo.

Lesions on tangelo.

Leaf lesions on Fortunella leaves.

Honeycomb pattern of stem pitting symptomatic of tristeza

Stem-pitting on grapefruit symptomatic of tristeza

Stem pitting symptomatic of tristeza on Rangpur lime root

Branch symptoms - lime branches showing pitting.

Leaf symptoms - Seedling Yellows.

Leaf symptoms - Seedling Yellows.

Leaf symptoms - Vein-clearing in key lime leaves.

A mild reaction of vein clearing on a leaf. Courtesy EcoPort (http://www.ecoport.org), Roistacher, C.N.

Vein-clearing symptoms a Mexican lime seedling leaf (right) as viewed from the back of the leaf into direct sunlight. The control leaf is on the left. Courtesy EcoPort ( http://www.ecoport.org)

Tree symptom - quick decline.

Tree symptom - severe quick decline.

Tree symptom - Trees in decline along side healthy trees.

Tree symptom - quick decline.

Tree symptom - quick decline.

Stem Pitting on trunk.

Tree symptom - quick decline at graft union.

Quick Decline on fruit.

Fruit from a Marsh grapefruit tree on rough lemon rootstock in Colombia affected by stem pitting strains of tristeza. The large fruit on the right is not affected. Courtesy EcoPort ( http://www.ecoport.org)

Fruit in top row is from an uninfected tree, fruit in bottom row from a tree showing stem pitting. Star Ruby trees on rough lemon rootstock. Courtesy EcoPort ( http://www.ecoport.org)