Tamil Nadu ,Scientists, officials inspect Fall Armyworm-hit maize fields in Tiruchi district
A team from Krishi Vigyan Kendra (KVK) Sirugamani and the Agriculture Department inspected maize fields in Tiruchi district affected by Fall Armyworm. They suggested integrated pest management methods, including neem cake application, seed treatment with biopesticides, pheromone traps, and intercropping with blackgram or greengram. Farmers were advised to avoid continuous maize cultivation and use light traps to monitor adult moths. Tamil Nadu Agricultural University’s pest management technology capsule was also recommended for better pest control.
A team of scientists from the Krishi Vigyan Kendra (KVK), Sirugamani, and officials of the Agriculture Department, inspected some of the maize fields affected by Fall Armyworm, an invasive pest, in Kariyamanickam and Thirupattoor areas in Tiruchi district on Tuesday.
Maize is raised in all 14 blocks in Tiruchi district and recently farmers from Kariyamanickam, Thirupattoor and neighbouring villages had complained of the pest attack. The issue was raised at the recent farmers’ grievances meeting and a section of farmers had made a representation to the Collector at the weekly grievances meet on Monday.
The crop has reached the maturity stage of 45-60 days, officials said.
A team led by P. Vasantha, Joint Director of Agriculture, C. Raja Babu, Programme Coordinator, K. V. K. Sirugamani, and scientists from Central Biological Control Centre conducted a field inspection in the two villages in Manachanallur block on Tuesday and suggested measures to control the pest. The team found sporadic attack of Fall Armyworm attack in some fields.
Later, in a statement, the KVK said that the Tamil Nadu Agricultural University (TNAU) has developed a ‘technology capsule’ to manage the pest. This included summer ploughing, basal application of neem cake of 100 kg an acre, seed treatment with a biopesticide, adopting proper spacing, growing border crops like cowpea, gingelly, sunflower and intercropping of blackgram or greengram.
Monitoring and mass trapping of adult male moths of Fall Armworm using pheromone traps and application of recommended pesticides were suggested.
The KVK scientists were visiting maize fields frequently to sensitise farmers on the need to adopt the integrated pest control mechanism consisting of a pheromone trap and bio-control methods to control the worm. The larvae start causing damage from 15 days after sowing and continue their ravage on tassels and cobs. While adult moths are covered with greyish white hairs on the upper surface of leaves, larva has an inverted Y mark. On the head and cluster of four dots in the abdomen region and can be seen on leaves. Farmers have been advised to apply 250kg of neem cake per hectare to reduce adult emergence from pupae, use light trap to monitor adult activity in the evening and avoid growing maize crop after crop, the release said.
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Source : The Hindu
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