Methods of grain fumigation - Food and Agriculture Organization
Dosages of fumigants recommended for the mixing-in-grain technique are included in Schedules A and B. Dosage in fumigation of grain by direct mixing is modified by the kind of grain treated and the gas tightness of the structure.
Code of practice for storage and fumigation of bagged grain
All grain should be inspected on arrival and fumigated if infested. Insects will live in spilled grain next to bags and along walls. This must be swept up daily and fumigated or destroyed. Insects can live in grain dust on ledges and ceiling beams. These must be kept clean enough to discourage this infestation.
Direct feeding damage by insects reduces grain weight, nutritional value and germination. Insect infestation also causes contamination, odors, molds, and heat damage that reduces the market value of the grain and can make it unfit for processing into food for humans or livestock.
Efficacy and fumigation characteristics of ozone in stored maize
2001年10月1日 · Ozone fumigation of maize had two distinct phases. Phase 1 was characterized by rapid degradation of the ozone and slow movement through the grain. In Phase 2, the ozone flowed freely through the grain with little degradation and occurred once the molecular sites responsible for ozone degradation became saturated.
The two commonly used pest control methods in the grain storage system are fumigation and dilute insecticide dust admixture. Grain fumigation is done at central and medium (grain traders/millers) storage systems where methyl bromide and phosphine are commonly used. Whereas chemical pest control methods are efficient and effective
Ecofriendly nonchemical/nonthermal methods for disinfestation …
2021年2月11日 · Three nutritionally and economically important cereal grains, wheat, rice, and maize, which contribute to the world economy in terms of production, are covered in the review. Also, the emphasis is given to the best physical nonchemical methods/nonthermal methods of disinfestation/disinfection of insects and molds: microwave, infrared, and ...
Efficacy and fumigation characteristics of ozone in stored maize
This study evaluated the efficacy of ozone as a fumigant to disinfest stored maize. Treatment of 8.9tonnes (350bu) of maize with 50ppm ozone for 3d resulted in 92-100% mortality of adult red flour beetle, Tribolium castaneum (Herbst), adult maize weevil, Sitophilus zeamais (Motsch.), and …
During recent years in South Africa, large quantities of bagged maize packed in stacks have been successfully fumigated with methyl bromide to control insect infestations, especially those of Calandra and rribolium spp. The methods used are based mainly on the system described by Burns Brown (1954).
Efficacy and fumigation characteristics of ozone in stored maize
2001年11月1日 · Ozone fumigation of maize had two distinct phases. Phase 1 was characterized by rapid degradation of the ozone and slow movement through the grain. In Phase 2, the ozone flowed freely through the...
Ozone fumigation of stored grain; closed-loop recirculation and …
2010年7月1日 · Research using ozone gas as a fumigant has shown promise in controlling stored-grain insect pests. In addition to being toxic to insects, ozone gas is unstable and decays naturally into diatomic oxygen and must be continually replenished to maintain entomologically lethal concentrations in the grain mass.