Tuesday, March 20, 2012
schorching of newflush and flowers of mango
Scorching of new Leaf and flower bud in mango
Anthracnose disease and leaf hopper infestation are the two major reasons for scorching leaf and flower bud in mango. Usually after rains, new flush bud appears on the branch tips. It is a common experience in most people that new flush change into brown and black and drop. Due to the damage of flower bud number of fruits is reduced.
Leaf hoppers (Idioscopus spp.)
Fire: This should be used carefully without damaging to the trunk to control hoppers on the
Pruning: This is also important to get more sunlight to the plant as hoppers prefer shade and
high relative humidity. Pruning middle top of the canopy make main trunk and
branches expose to the sunlight. Old and diseased branches should alsoberemoved.
Insecticide: When infestation is occurred chemical control is needed to overcome the
problem. Two sprays at new leaf growth stage and at flower initiation is
Sanitation is important and pruning of dead or diseased branches is also important.
Fungicides like Mancozeb ,Maneb ,Propineb and any other fungicide recommended for anthracnose control can be used. One or two spays starting at flowering is sufficient to control leaf and flower scorching problem in mango.
Fungicides and insecticides should be selected which can control other pests like powdery
mildew and mango weevil.