Corymbia citriodora and Cymbopogon nardus essential oils samples were analyzed by GC and GC-MS and their qualitative and quantitative compositions established. The main component of essential oils of C. citriodora and C. nardus was citronellal, at 61.78% and 36.6%, respectively. The essential oils and citronellal were tested for their fumigant antifungal activity against Pyricularia (Magnaporth...

Carbonyl sulfide (COS) is a potential new fumigant for stored products, patented worldwide by CSIRO Australia. It may replace methyl bromide for many applications on durable commodities and be used as an alternative to phosphine when there is a significant problem with insect resistance. Laboratory and field studies have shown that COS is effective on a wide range of pests at all life stages, a...

In the present study, we investigated the fumigant potential of five edible essential oils (EOs) against Sitophilus oryzae and their phytochemical residues in treated grains. Among the tested EOs, peppermint oil proved significantly effective (P ≤ 0.05) on S.oryzae at 400 μl/L air concentration, inducing 83 and 100% mortalities in with-food and without-food conditions respectively over 72 h exp...

Commercial plant essential oils obtained from 11 Myrtaceae plant species were tested for their fumigant antifungal activity against Aspergillus ochraceus, A. flavus, and A. niger. Essential oils extracted from Leptospermum petersonii at air concentrations of 56 × 10(-3) mg/mL and 28 × 10(-3) mg/mL completely inhibited the growth of the three Aspergillus species. However, at an air concentration...

pant h & tripathi s. 2011. Fumigation of wood with aluminium phosphide for protection against fungi. The search for alternatives to the environmentally harmful fumigant methyl bromide has led to the evaluation of phosphine as preshipment and in-transit treatments for logs and sawn timber. The biological activity of aluminium phosphide against wood decaying fungi was determined using agar plate ...

It was decided at the 4th meeting of the signatories to the “Montreal Protocol Regarding Restriction of Substances Destroying the Ozone Layer” in 1992 to freeze beginning in 1995 the production and consumption of methyl bromide (CH 3 Br), which is mainly used as a plant quarantine fumigant and a soil fumigant, and to totally abolish it by 2005. Methyl bromide has, however, continued to be used ...

The aim of this research was to determine the chemical composition and insecticidal activity of the essential oils derived from flowering aerial parts of Artemisia giraldii Pamp. and A. subdigitata Mattf. (Family: Asteraceae) against the maize weevil (Sitophilus zeamais Motsch.). Essential oils of aerial parts of A. giraldii and A. subdigitata were obtained from hydrodistillation and investigat...

Methyl bromide (MB) has a number of desirable features as a fumigant for durable commodities and timber including a rapid speed of treatment, low infrastructure requirements, recognition by quarantine authorities, broad registration for use, good penetrant ability, and rapid airing after exposure. There is, however, a range of existing and potential alternatives to MB which, alone or in combina...