• Sunday, Sep 25, 2022
  • Last Update : 10:24 am

Pheromone trap method for pest control gaining popularity in Chattogram

  • Published at 08:04 pm April 12th, 2018
Pheromone trap method for pest control gaining popularity in Chattogram
Vegetable farmers in Chattogram are being converted to an environmentally friendly and cost-effective method of pest control which uses insects’ own hormones to prevent their spread. Known as “sex pheromone trap,” the method protects human health and the environment and has been dubbed by agriculturists as a “silent revolution in pest control management”. In a sex pheromone trap, a capsule containing the female sex hormones of insects is hung in a plastic bottle which is half-filled with soapy water and has two holes cut in the side to allow the insects to enter. When the bottle is hung in a crop field from two bamboo sticks, the hormones attract male insects which then drown in the soap water, checking the reproduction of the pests. According to data provided by the Department of Agricultural Extension (DAE), from 2015-16 to 2016-17 the number of pheromone traps set up on farmland in Chattogram almost doubled, from 32,000 to 62,000. Aminul Haque Chowdhury, deputy director of Chattogram DAE, told the Dhaka Tribune that farmers, particularly vegetable growers, are increasingly inclined to adopt the new pest control method. “The farmers are now showing much interest in using the pheromone trap instead of harmful pesticides, since it costs less and protects the environment as well,” he said. Aminul said the DAE has fixed a target for setting up 100,000 pheromone traps on agricultural land in Chattogram by the end of 2017-18. “We are hopeful of achieving the target,” he said. The pheromone traps are proven to be an effective pest control solution for vegetables like aubergine, pumpkin, okra, cauliflower, cabbage, bottle gourd, ribbed gourd, teasel gourd, sponge gourd, snake gourd, aubergine, palwal and bean.

Cost-benefit analysis

For aubergine, growers will typically spray heavy doses of toxic pesticide twice a week to protect their crop against repeated pest attacks. But this is not a cost effective method: each round of pesticide spraying costs Tk5,000 per acre of land and with 40 rounds needed in the five or six months it takes to harvest aubergine, the total cost will be Tk2 lakh. Pheromone traps, by contrast, cost only Tk50-60 each, with 125 needed for one acre of farmland. An aubergine grower using this pest control method will therefore only spend Tk7,500 per acre of land – a saving of Tk192,500 over using insecticide. Aminul said the economic value of using environment-friendly pest control methods like pheromone traps is “incalculable.” “If you take the health hazards and ecological damages into account, then the benefit of the pesticide free method is enormous,” the DAE official said.
50
Facebook 50
blogger sharing button blogger
buffer sharing button buffer
diaspora sharing button diaspora
digg sharing button digg
douban sharing button douban
email sharing button email
evernote sharing button evernote
flipboard sharing button flipboard
pocket sharing button getpocket
github sharing button github
gmail sharing button gmail
googlebookmarks sharing button googlebookmarks
hackernews sharing button hackernews
instapaper sharing button instapaper
line sharing button line
linkedin sharing button linkedin
livejournal sharing button livejournal
mailru sharing button mailru
medium sharing button medium
meneame sharing button meneame
messenger sharing button messenger
odnoklassniki sharing button odnoklassniki
pinterest sharing button pinterest
print sharing button print
qzone sharing button qzone
reddit sharing button reddit
refind sharing button refind
renren sharing button renren
skype sharing button skype
snapchat sharing button snapchat
surfingbird sharing button surfingbird
telegram sharing button telegram
tumblr sharing button tumblr
twitter sharing button twitter
vk sharing button vk
wechat sharing button wechat
weibo sharing button weibo
whatsapp sharing button whatsapp
wordpress sharing button wordpress
xing sharing button xing
yahoomail sharing button yahoomail