Capsule rot (azhukal)
“Symptoms can appear on tender and matured leaves. Large circular, irregular, water soaked spots with black colour appear on leaves.
The exposed portion of the unopened leaves my rot. Grey patches of irregular spots with brown margin are formed at the base of the leaf sheath.
The basal portion rots and the pseudo stem break away at the collar region. The infection spreads to the underground plants and the rhizomes become rots.
Small light brown lesions appear in the green tender fruits which fall of in 3-6 days leaving the small fruit stalk. The tip of inflorescence also rot.”
Disease causing Species Name:
Phtyophthora nicitiana
Major Plants under threat:
Cardamaom
Method of Application:
Seed treatment, soil application, foliar spray
Intervals:
Spray on the foliage during evening hours. Apply in wet soil as basal dose along with organic manure and refresh it periodically along with organic manure
Dosage:
” It can be used for seed treatment and foliar spraying also. The normal dosage of ABTEC Tricho is 10 ml/litre per plant.
Seed treatment: For seeds mix 10 ml ABTEC Tricho / kg of seeds. Seedlings or planting setts can be dipped for 30 min @ 250 – 500 ml per 50 to 60 litre water before planting. After each treatment allow the seed / seedling / sett to dry in shade for 30 minutes before planting.
Soil Application: Mix 2 litre ABTEC Tricho (for 1 acre) with 200 kg ABTEC Super Organic Manure or Farm Yard Manure and apply in moist soil / base of trees. Applying 10-20ml /plant as prophylactic treatment gives better results.
Foliar Spray: Mix 500 ml ABTEC Tricho in 50 litres of water and ”