Ludhiana agri varsity factors advisory in opposition to pest infesting maize crops
Punjab Agricultural College has issued an advisory to manage the descend armyworm, an invasive insect-pest that has been infesting maize crops in Punjab since mid-June.
PK Chhuneja, head, division of entomology, PAU, talked about incidences of descend armyworm in properly timed sown grain maize has been unusual, and at this stage, it has additional diminished. He added that primarily based totally on remaining 12 months’s expertise, incidence inside the approaching days on fodder maize can also be coming close to.
So, farmers comprise been immediate to step-by-step search their fields, particularly the crops sown late, and recall up fast administration measures as quickly as a result of the pest is observed on the crop.
Legitimate via the routine search, egg masses and youthful larval instar may also be serene and destroyed. Climate stipulations in September-October are beneficial for the infestation by this pest, Chhuneja talked about.
He added that the pest is easier to govern inside the preliminary stage, whereas the grown larvae motive additional hurt, making spherical to rectangular holes in leaves alongside with orderly amount of faecal subject.
The larvae may also be recognized from 4 spots in sq. pattern at rear stop and white-coloured inverted Y-fashioned cost on the pinnacle.
Pest administration
Fodder maize can even amassed not be sown after mid-August. Stop a good distance from staggered sowing of maize particularly in adjoining fields
Incidence of the pest is elevated in extreme density planting of fodder maize whereas it’s lesser in combined cropping, as an illustration, when sown alongside with bajra
Exhaust immediate doses of fertilisers
Discover and kill egg deal of descend armyworm from leaves. Egg masses are lined with hairs and are with out concerns considered
In case of elevated pest assault, spray Coragen 18.5 SC (chlorantraniliprole). Exhaust 120 litres of water per acre for as much as 20 days extinct crop and salvage greater the amount by as much as 200 litres as per crop narrate. Disclose the nozzle in path of the whorl of the plant
Observe a prepared period of 21 days (after spray) earlier than harvest to substantiate security of animals
