Bio-efficacy of some edible oils and plant products for chinensis (Coleoptera: Bruchidae) in stored green gram
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Date
2014
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MPUAT, Udaipur
Abstract
A laboratory experiment was conducted on “Bioefficacy of some edible oils and plant
products for managing pulse beetle, Callosobruchus chinensis L. (Coleoptera:
Bruchidae) in stored green gram” at Post Harvest Biological Laboratory, Post Harvest
Technology Scheme, Department of processing and Food Engineering, College of
Technology and Engineering, Udaipur during 2013-14. Three edible oils viz. sesame
(Sesamum indicum L), groundnut (Arachis hypogaea, L.) and mustard (Brassica
juncea Cross ) at the rates of 3,6 and 9 ml/kg seed and three plant product viz. papaya
leaf (Carica papaya, L.), neem leaf (Azadiracta indica),lemon leaf (Citrus limonium)
at the rate of 3 6 and 9 g/kg seed as grain protectants of green gram (var. Pusa
Baisakhi) against pulse beetles were used (Callosobruchus chinensis L.). Among
different edible oils evaluated for their efficacy against pulse beetle at rate of 3, 6 and
9 ml/kg grains up to 120 days of storage. The application of sesame and groundnut
oils at 6 ml/kg grains were found most effective with maximum 100 per cent adult
mortality, 90.31 per cent deterrence, 0.40 eggs/seed and minimum 0.10 hole/seed.
While, minimum (1.33 per cent) weight loss observed in grains treated with sesame
and groundnut oil at 9 ml/kg grains. Whereas, mustard oil at application of 3 g/kg
grains was found least effective with maximum 0.30 hole/seed, 1.20 eggs/seed, 8.50
per cent weight loss and minimum 70.94 per cent deterrence and 92.00 per cent adult
mortality.
Among different plant products evaluated for their efficacy against pulse
beetle upto 120 days of storage. Significantly maximum (100%) adult mortality and
70.46 per cent deterrence, minimum (0.30 hole/seed) grain damage, minimum
(10.80%) weight loss and 1.20 eggs/seed was found in grains treated with papaya leaf
powder at application of 9 g/kg grains. While, minimum (58.00%) adult mortality,
minimum (42.85%) deterrence, maximum 2.30 eggs/seed, 0.60 hole/seed and 22.14
percent weight loss was found in grains treated with lemon leaf powder at 3 g/kg
grains
Effect on proximate content (fat, crude protein and carbohydrate) was
observed after 120 days of storage. No adverse effect was found on proximate content
in grains treated with edible oils and plant products. Slightly increment in fat content
was found in grains treated with edible oil. Grains treated with plant products have
shown up gradation in colour value after 120 days of storage. All treated grains were
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found viable as well as untreated grains. Hence, no adverse effect was recorded in
grains treated with both substances. It can be suggested that sesame oil, groundnut oil
and papaya leaf powder have most effective for manage of pulse beetle in stored
green gram upto 120 days of storage.
Description
Bio-efficacy of some edible oils and plant products for chinensis (Coleoptera: Bruchidae) in stored green gram
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Citation
Chandaliya and Champawat, 2014