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Faisal, Mohammad
- Relative Preference to Host Plants by a Polyphagous Insect, Spilarctia obliqua Walk. (Lepidoptera : Arctiidae)
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Indian Forester, Vol 135, No 5 (2009), Pagination: 663-670Abstract
Spilarctia obliqua, commonly known as 'Bihar hairy caterpillar', is a polyphagous pest of great economic value. Its sporadic presence has been recorded on variety of food plants of agriculture and forestry importance. Relative feeding preference of S. obliqua has been studied by providing measured leaves of its five main host plants including Brassica compestris, Paulownia fortunei, Populus deltoides, Tectona grandis and Toona ciliata to different larval instars. A single larva of S. obliqua during its total larval period has consumed 377.32 mg foliage of P. fortunei which is the maximum among the five host plants tested. It was followed by B. compestris (150.19 mg), P. deltoides (72.60 mg), T. grandis (60.00 mg) and T. ciliata (43.81 mg). Taking consumption of average leaf area as the criteria, maximum leaf area of 991.14 mm2 of P. fortunei was found consumed while that of T. ciliata was minimum (138.15mm2). Larva consumed 442.86 mm2 leaf area of B. compestris and 195.90mm2 and 176.71mm2 of P. deltoides and T. grandis respectively.Keywords
Polyphagous Insect, Spilarctia obliqua Walk., Host Plants, Relative Preference- Tulsi (Ocimum sanctum) : a New Host of Orgyia postica Walker (Lepidoptera : Lymantriidae)
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Indian Forester, Vol 135, No 11 (2009), Pagination: 1598-1599Abstract
No abstract- Effect of Different Host Plants on the Development of Spilarctia obliqua Walk. (Lepidoptera: Arctiidae)
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Indian Forester, Vol 137, No 3 (2011), Pagination: 380-386Abstract
Spilarctia obliqua is a potential polyphagous pest of agroforestry importance which is capable to cause considerable damage to many forestry and agricultural crops in the absence of primary pest. Development of S.obliqua was studied by exposing larvae to main host plants including Brassica compestris, Paulownia fortunei, Populus deltoides, Tectona grandis and Toona ciliata. Total consumption of Toona ciliata foliage by the larvae was found maximum (6961.06mg) while that of Paulownia fortunei was minimum (3456.03mg). Taking consumption of average leaf area as the criteria, maximum leaf area of 13711.29mm2 of T. ciliata was found consumed while that of P. fortunei was minimum (7381.93mm2). Among the five host plants studied maximum weight (754.43mg) was gained by the larvae when fed on P. fortunei and minimum (390.93mg) on T. ciliata. Maximum larval length gain by the larvae was 45.46mm when fed on P. fortunei and minimum (29.19mm) on T. ciliata.Keywords
Spilarctia Obliqua, Walk, Host Plants, Development- Comparison of Bio-Agents and Botanicals with Fungicides against Tikka and Anthracnose Diseases of Groundnut (Arachis hypogea L.)
Abstract Views :223 |
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Affiliations
1 Department of Plant Protection, Sam Higginbottom Institute of Agriculture, Technology and Sciences, ALLAHABAD (U.P.), IN
1 Department of Plant Protection, Sam Higginbottom Institute of Agriculture, Technology and Sciences, ALLAHABAD (U.P.), IN