Black scurf of potato
“Black speck, black speck scab, russet scab on tubers. At the time of sprouting dark brown colour appear on the eyes.
Affected Xylem tissue causes to wilting of plants. Infected tuber contains russeting of the skin.
Hard dry rot with browning on internal tissue. Seed tubers are source of spread. Moderately cool, wet weather and temp 23 °C are the favourable for the development of disease.”
Disease causing Species Name:
Rhizoctonia solani
Major Plants under threat:
Potato
Method of Application:
seed treatment, soil application, foliar spray
Intervals:
Apply in wet soil as basal dose along with organic manure and refresh it periodically along with organic manure. During evening hours.
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”
