Disinfestation of stored dates using microwave energy

Manickavasagan, Annamalai; Alahakoon, P.M.K.; Al-Busaidi, Turki; Al-Adawi, Samir; Al‐Wahaibi, Ali K.; Al-Raeesi, Ali Ahmed; Al-Yahyai, Rashid; Jayas, Digvir S.

doi:10.1016/j.jspr.2013.05.005

Cited by 23 publications

(18 citation statements)

References 11 publications

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“…Similar to our results, mortality percentage of Tribolium castaneum increased as power level and exposure times were increased, thus 100% mortality was attained at 500 watt for an exposure time of 28 s and at 400 watt for an exposure time of 56 s [33]. Also [17] studied the disinfestations of stored dates from red flour beetle via utilizing the microwave oven operating at 4 power levels 180, 300, 600 and 800 watt for 3 exposure times 20, 30 and 40 s. After microwave treatment the survivorship of the species was 100% at 180 watt and the survival rate decreased to zero at 800 watt and the exposure time of 40s.…”

Section: Mortality Of Tribolium Castaneumsupporting

confidence: 89%

“…On the other hand, the lethal concentration 50 of red flour beetle were (1123.73, 882.53 and 518.40) when subjected to the thermal energy within the same period of times (10, 30 and 50 seconds) respectively. In recent years, microwave energies were investigated as an alternative to methyl bromide fumigation and other chemicals due to its effectiveness in controlling major pests inside dried agricultural commodities [17]. Besides, microwave heat treatments have been proposed in order to achieve mortality in insects at shorter period of time instead of the conventional heating method that characterise by slow heating rates over a long period of time.…”

Section: Comparison Between T Castaneum and T Granarium Larvae On Tmentioning

confidence: 99%

“…microwaves & plant extracts) were tested against insects attacking stored products in attempt to establish more reliable and healthy methods for controlling stored product pests [15,16,17]. The use of microwave heating has already captured a place in the agriculture and food industries.…”

Section: Introductionmentioning

confidence: 99%

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Entomocidal activity of microwave energy & some aqueous plant extracts against Tribolium castaneum Herbst & Trogoderma granarium Everts

Agha

Amin²,

Khidr

et al. 2017

AIP Conference Proceedings

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Abstract.A laboratory experiment was conducted in order to evaluate the efficacy of microwave radiation and aqueous plant extracts against red flour beetle Tribolium castaneum & khapra beetle Trogoderma granarium. The larvae stage with dried fruits (black raisin, red raisin, fig and apricot) were subjected to microwave radiation at different power levels (280,560 and 840) watt for three exposure times (10, 30 and 50) seconds. Mortalities increased with an increase of concentration or exposure time or both. Thus, highest mortality 90% was achieved at 840 watt power output and exposure time 50 second for both aforementioned species. Likewise, eucalyptus Eucalyptus camaldulensis, mint Mentha canadensis and myrtle Myrtus communis were studied for their toxicity effect on mortality of larval stage at three dosages (12500, 25000 and 50000) ppm for different exposure times (1, 2, 3 and 7) days. The larvae of khapra beetle were more resistant to the insecticidal activity of plant extracts in comparison with red flour beetle larvae. The LC50 values were varied in accordance to plant extracts types and concentrations within the four interval times of exposure. The LC50 values for both khapra & red flour beetles were (47234.07 & 5760.90) ppm respectively on black raisin after 7 days exposure to eucalyptus aqueous extract.

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Section: Mortality Of Tribolium Castaneumsupporting

confidence: 89%

Section: Comparison Between T Castaneum and T Granarium Larvae On Tmentioning

confidence: 99%

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Entomocidal activity of microwave energy & some aqueous plant extracts against Tribolium castaneum Herbst & Trogoderma granarium Everts

Agha

Amin²,

Khidr

et al. 2017

AIP Conference Proceedings

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“…In 2011, Oman exported 7,171 mt of dates, which is only 2.6 % of the total production for that year. The low level of exports was attributed to the poor handling of dates, poor fruit quality, and the numerous pests and diseases that affect postharvested dates in Oman (Al-Marshudi 2002 ;Al-Yahyai 2007 ;Manickavasagan et al 2013 ). Compared to other countries, Omani dates fetched a lower price in the international market (USD 102 per mt), while countries of limited production such as Tunisia attained four times the price (USD 418 per mt) of dates (Mbaga et al 2011 ).…”

Section: Importance To Omani Agriculturementioning

confidence: 99%

“…Dried dates are stored in plastic or wood containers. Due to poor conditions, dates are also infested during storage (Manickavasagan et al 2013 ). A recent study showed that dates can be frozen at the khalal stage for up to a year, with little effect on the chemical composition of the fruit (Al-Yahyai and Al-Kharusi 2012a ).…”

Section: Harvest and Postharvest Handlingmentioning

confidence: 99%

Date Palm Status and Perspective in Oman

Al-Yahyai

Khan

2015

Date Palm Genetic Resources and Utilization

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Date palm is the primary agricultural crop in Oman, and it constitutes 80 % of all fruit crops produced and 50 % of the total agricultural area in the country. Oman is the eighth largest producer of dates in the world with an average annual production of 260,000 mt per annum. There are approximately more than over seven million date palms and 250 cultivars in cultivation, primarily in the northern governorates of the sultanate. However, around 70 % of the total date production is harvested from only 10 cultivars, and a small fraction (2.6 %) of the total date production is exported. Only half of the dates produced are used for human consumption, with the other half being utilized primarily for animal feed or considered surplus and wasted. Dates are mainly harvested for fresh fruit consumption; however, alternative uses such as date syrup, date sugar, and other by-products can also be found in the local market. Dubas bug and red palm weevil are the dominant biotic factors that affect date quality and yield in Oman. Traditional methods of cultivation, small farm size, enough labor available, and poor postharvest handling and marketing are the main issues that face date palm production in Oman. New plantlets are produced from tissue culture with a primary focus on superior cultivars that are kept, among other cultivars, in the only date palm ex situ gene bank in the interior of Oman. Enhancing fruit quality by optimizing fruit size and nutritional content and rapid cultivar selectivity based on molecular techniques for better or improved commercial cultivars will increase the marketability of Omani dates. Furthermore, employing modern orchard layouts and mechanization of the labordependent cultural practices such as irrigation, pruning, pollination, and harvesting is vital for the sustainable and profi table production of dates in Oman.

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Microwave Disinfestations of Postharvest Agricultural Products

Ling,

Wang

2024

Food Engineering Series

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Disinfestation of stored dates using microwave energy

Cited by 23 publications

References 11 publications

Entomocidal activity of microwave energy & some aqueous plant extracts against Tribolium castaneum Herbst & Trogoderma granarium Everts

Entomocidal activity of microwave energy & some aqueous plant extracts against Tribolium castaneum Herbst & Trogoderma granarium Everts

Date Palm Status and Perspective in Oman

Microwave Disinfestations of Postharvest Agricultural Products

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