Abnormal Leaf fall
It occurs during June – August, while general leaf fall occurs during December. On leaves dull grey, circular spots appear which enlarge and become irregular. The petiole show sunken spot. Affected fruits rot. Leaves shed prematurely either green or after turning coppery red. The affected leaf form a thick carpet of rotting foliage which emits bad smell.
Disease causing Species Name:
Phytophthora spp
Major Plants under threat:
Rubber
Method of Application:
Soil Application
Intervals:
First Dose : before the onset of monsoon on May – June. Second dose from September – October
Dosage:
First Dose- 6 kg of ABTEC Rubber Forte with 30 kg of ABTEC organic manure. Second Dose- 50 kg ABTEC organic manure / acre on.
