Management of stored product pests in Warehouses
- Maintain store house hygiene brushing the cracks, crevices and corners, removing all debris and cleaning the entire godown before storing the grains.
- Reduce moisture content below 10 %
- Dry all the bags, bins etc in the sun.
What are stored grain pest?
Primary pests The eggs are laid inside the grain, before the larvae mature inside the grain and then chew their way out. Some of these pests include the Lesser grain borer, Granary weevil (Sitophilus granarius, the Wheat weevil) and Rice weevil (Sitophilus oryzae).
What are the major insect pests in storage?
Adults of storage insects can be long or short living. Bruchids and moths are short living (up to 3 weeks). They lay most of their eggs during the first week of adulthood….Losses due to insect infestation.
| Paddy: | Rice weevil (Sitophilus oryzae (Linnaeus)) |
|---|---|
| Maize & sorghum: | Rice moth (Corcyra cephalonica Stainton) |
Which insecticide is safe for store grain pest management?
This can be done with carrying out surface treatment of the storage area with Malathion. This has a volatile action and is effective against flying insects. After fumigation, the grain storage should be aerated and thoroughly cleaned.
What is phosphine fumigation?
Phosphine tablets are used to control infestation by insects of grains stored in airtight structures such as metal silos, barrels or brick silos, all of which can be sealed so that the gas cannot escape. The grain to be fumigated is put into a sack and then placed into a plastic bag that must have no holes whatsoever.
What chemical is used for fumigation seed?
Carbon bisulfide is a commonly used fumigant to rid Prosopis seed of insects. Three other fumigants, i.e., methylbromide, paradicholorobenzene, and naphthalene, also produce good results. To fumigate, seed and the insecticide are placed together in a tightly sealed container for a period of time not to exceed 24 hours.
What are the 3 main pests in storage?
Primary insects
- Rice Weevil. (Sitophilos oryzae (Linnaeus)) Click for more info. A female lays up to 150 eggs.
- Angoumois Grain Moth. (Sitatroga cerealella (Olivier)) Click for more info. The white larvae bore into the kernels and eat the inside.
- Lesser Grain Borer. (Rhyzopertha dominica (Fabricus) Click for more info.
What are the various stored grain pest infecting the seed during storage?
Several fungi can cause grain spoilage in storage, but the most common ones include Penicillium spp, Aspergillus spp, Alternaria spp, Fusarium spp, Rhizopus stolonifera, Mucor spp, and others.
What is phostoxin used for?
General Information: PHOSTOXIN® is a fumigant which when applied according to label instructions is activated by atmospheric humidity. PHOSTOXIN® has been found effective against many stored products insects and their pre-adult stages – that is eggs, larvae, and pupae.
How does Venus detect phosphine?
In September, a team led by astronomers in the United Kingdom announced that they had detected the chemical phosphine in the thick clouds of Venus. The team’s reported detection, based on observations by two Earth-based radio telescopes, surprised many Venus experts.
What are the stored grain insect pests of India?
List of stored grain insect pests of India. Sl. No. Name of the insect pest Scientific name Family and Order Damaging stage Host range Primary Insect pests 1. RiceWeevil Sitophilus oryzae L. Curculionidae, Coleoptera Grubs & adults All cereals 2 Khapra beetle Trogoderma granarium Ever.
What is the impact of unscientific storage of grains in India?
STORED GRAIN PESTS In India, post-harvest losses caused by unscientific storage, insects, rodents, micro-organisms etc., account for about 10 per cent of total food grains. The major economic loss caused by grain infesting insects is not always the actual material they consume, but also the
How many species of insects are associated with stored grain products?
About 600 species of insects have been associated with stored grain products. Nearly 100 species of insect pests of stored products cause economic losses. Contamination Heating Facilitates fungal growth Storability loss. List of stored grain insect pests of India.
What are storage insect pests?
Storage insect pests are categorized into two types: Primary storage pests: Primary storage pests are those insects that damage sound grains or Primary storage grain insects pests have the ability to attack whole, unbroken grains. The eggs are laid outside the grain, before the larvae mature inside the grain and then chew their way out.
