Phosphine resistance
WebApr 8, 2015 · Phosphine (PH 3) fumigation is the primary method worldwide for controlling insect pests of stored commodities. Over-reliance on phosphine, however, has led to the emergence of strong... WebJan 1, 2016 · Phosphine inhibits catalase activity in Rhyzopertha dominica in vivo.2. Base levels of catalase are higher in a strain of the insect selected for resistance to the gas and …
Phosphine resistance
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WebFeb 26, 2024 · Although commercial fumigations have been generally successful, the development of phosphine resistance is being increased ( Tyler et al., 1983; Benhalima et al., 2004) due to the application of sub-lethal doses, leakages from the treated structures and lack of proper sealing techniques. WebOct 15, 2016 · In 2016 phosphine resistance was found in Tribolium castaneum (Herbst) and Plodia interpunctella (Hübner) collected from …
WebJan 1, 2004 · At least 11 species of stored-product insects are now known to have developed resistance to phosphine (Chaudhry, 2000), which has been linked to selection … WebData show there is phosphine resistance in red flour beetle, sawtoothed grain beetle, and Indianmeal moth from almond storage facilities in California. However, there are approximately 55% of facilities with no resistant insects. This is different from grain storage facilities in Oklahoma where nearly all facilities have resistant insects.
WebApr 11, 2024 · Food security is an important basis and guarantee to national safety, the loss caused by storage pests was a serious problem which affects the food se… WebApr 8, 2015 · Phosphine (PH 3) fumigation is the primary method worldwide for controlling insect pests of stored commodities. Over-reliance on phosphine, however, has led to the …
WebDec 1, 2016 · Based on adult data, the most resistant T. castaneum beetle population was 49× more resistant than the susceptible strain. Phosphine resistance frequencies in P. …
WebSep 4, 2015 · The median lethal concentration values varied from 0.024 mg/L to 1.991 mg/L, with 1.63 to 82.96-fold resistance compared to laboratory susceptible checks. Antioxidant enzymes have been reported to negate the reactive oxygen species generated upon encountering the fumigant phosphine. highest point anagram of maceWebApr 23, 2024 · Phosphine gas is an excellent fumigant for disinfesting stored grain of insect pests, but heavy reliance on phosphine has led to resistance in grain pests that threatens … how greenland daylight saving time debateWebJan 1, 1999 · PDF On Jan 1, 1999, G.J. Daglish and others published Improving the relevance of assays for phosphine resistance Find, read and cite all the research you … how greenland solved daylight saving timeWebMar 31, 2015 · Research in Australia during the past decade has reported two resistant phenotypes for T. castaneum and R. dominica: beetles with “weak” resistance that may … highest point continental usWebAustralia is one of the few countries in the world where phosphine is available to farmers to apply to protect grain in their own storages. The continued use of phosphine at the farm level in Australia however will depend on the ability to slow or arrest the development of phosphine resistance in all the major grain storage species present in the country. how green manhole coversWebDec 1, 2024 · Resistance to phosphine was detected in four out of 14 populations in adults and nine out of 14 populations in eggs and ranged from 2 to 100%. Phosphine percent survival values in both adults and eggs of three populations, namely, Box BR, Box BF, and OKWat were >90%. highest point brecon beaconsWebDec 23, 2010 · Phosphine resistance is not discussed in detail, but may be referred to as required to explain a mechanism of phosphine toxicity. Phosphine is widely used as a fumigant [ 2] as it is gaseous above −88°C with a density of 1.17 times that of air, which allows it to disperse readily during fumigation. highest point differential nba