International Journal of Plant Science and Ecology
Articles Information
International Journal of Plant Science and Ecology, Vol.4, No.2, Jun. 2018, Pub. Date: Sep. 4, 2018
Economic Impacts of Rice Grains Storage Using Fumigants Against Rice Weevils
Pages: 8-21 Views: 385 Downloads: 134
Authors
[01] Mohammad Amir Hossain Mollah, Development Technical Consultants Pvt. Ltd. Dhaka, Bangladesh.
[02] Razia Khatun, Training, Planning and Technology Testing Division, Bangladesh Livestock Research Institute, Savar, Dhaka, Bangladesh.
[03] Abdul Jabber Hawlader, Departments of Zoology, Jahangirnagar University, Savar, Dhaka, Bangladesh.
[04] Mohammad Razzab Ali, Department of Entomology, Sher-e-Bangla Agrcultural University, Dhaka, Bangladesh.
[05] Shamim Ahmed, Training, Planning and Technology Testing Division, Bangladesh Livestock Research Institute, Savar, Dhaka, Bangladesh.
[06] Mohammad Showkat Mahmud, Animal Health Research Division, Bangladesh Livestock Research Institute, Savar, Dhaka, Bangladesh.
[07] Md Amirul Hasan, Training, Planning and Technology Testing Division, Bangladesh Livestock Research Institute, Savar, Dhaka, Bangladesh.
Abstract
The research work was designed to investigate the management of the most damaging rice pest, the angoumois grain moth, Sitotrogacerealella (Olivier) by following some commonly practiced techniques. During the present study, the efficacy of different types of containers viz. plastic pots, tin pots, earthen pots and polyester bags, different types of fumigants viz. Organic treatment Untreated control was tested. The Camphor was the most effective fumigant to protect the rice grain infestation in storage against rice moth in laboratory condition than phostoxin, naphthalene and organic treatment. Camphor had reduced 73.77% rice grain infestation, 92.30% adult emergence, 75.75% grain content loss and increased 56.34% seed germination over control followed by phostoxin, which reduced grain infestation, 70.65% adult emergence, 74.66% grain content loss and increased 55.77% seed germination. The Naphthalene reduced 61.34% grain infestation, 71.71% adult emergence, 64.95% grain content loss and increased 55.58% seed germination. The organic treatment reduced 48.94% grain infestation, 67.65% adult emergence, 40.15% grain content loss and increased 53.77% seed germination. Considering the fumigants, the camphor @ 1.0 gm/kg rice grains was performed as the most economically viable treatment that gave the highest BCR (12.6) applied against rice moth in storage rice grains followed by organic treatment (11.30), phostoxin (6.0) and naphthalene (5.97).
Keywords
Rice Weevils, Fumigants, Storage, Economic Impact, Bangladesh
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