Rust of sunflower
Four of the five spore stages of the sunflower rust pathogen’s life cycle are visible to the unaided eye . The earliest visible sign is small (often 6 mm or less) yellow to orange pycnial lesions. Pycnial lesions are embedded on the upper side of lower sunflower leaves or cotyledons and may be surrounded by a chlorotic halo. The second stage of the life cycle, aecia, are visible on the opposite side of the leaf to the pycnia on the underside of leaves or cotyledons
Disease causing Species Name:
Puccinia helianthi
Major Plants under threat:
Sunflower
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:
“The normal dosage of ABTEC Pseudo is 20g per plant.
Seed treatment: Spray the seeds with a sticky / gummy solution like starch solution or jaggery solution, so that the surface of the seed will be wet. Take ABTEC Pseudo in a tray (@ 25 g/1 kg of seeds), add the wet seeds to this and gently mix by rolling the seeds in the powder so that the seeds will be coated uniformly. Dry the seeds in shade for 30 minutes and sow within a day. For seedlings, dip the seedlings in a slurry of ABTEC Pseudo ( make a
5 – 10% slurry in sticky solution) for 5 – 10 minutes before planting.
Soil Application: ABTEC Pseudo can be used for soil application after mixing with appropriate amount of ABTEC Super Organic Manure or Farm Yard Manure @ 20kg /Ha.
Foliar Spray: Mix 1kg ABTEC Pseudo in 50 litres of water and spray on the foliage”””
