Seed Health Management for Better Productivity - Govind Ballabh ...

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(Seed Health Management for Better Productivity)FAMILY TENEBRIONIDAEThe adults are 3-10 mm long and usually rather parallel-sided. Antennae 11 segmented,are of moderate length, and are either simple in form or have a more or less distinct club. Tarsi ofhind legs have four segments while those of the front and middle legs have five.The larvae have a characteristic shape and are generally well sclerotized, often having adistinctly banded appearance and one or two pointed projections (urogomphi) at the end of body.Tribolium castaneum (Herbst) – Rust-red Flour BeetleAdults are typically tenebrionid in shape, 2.3-4.4 mm in length and red-brown in color. Themales possess a hairy puncture on the ventral surface of anterior femur; this puncture is absent infemale.The larvae are typically tenebrionid and possess two upwardly curved urogomphi on theninth abdominal segment.Stored-product LepidopteraFAMILY GELECHIIDAESitotroga cerealella (Olivier) - Grain MothThe fore-wings are pale ochreous brown and often have a small black spot in the distalhalf; they have a span of 10-18 mm. The hind wing have a long fringe of hairs, longer than half thewidth of the wing and are sharply pointed at the tip. The labial palps are long, slender and sharplypointed. The larva possesses true legs but the prolegs are greatly reduced and have only twocrochets each.FAMILY PYRALIDAEEphestia (Cadra) cautella (Walker) – Almond MothThe fore-wings of adult are greyish-brown with an indistinct pattern. The wing span is 11-20mm. And both fore- and hind-wings have broadly rounded tips and only short fringes of hairs. Thelabial palps curve upward in the front of head and are rather blunt at the tip.Plodia interpunctella (Hubner)The fore-wing of adult is cream coloured in the basal two-fifth, while rest of the wing iscopper coloured (dark reddish brown) with some dark grey markings. The wing span is 14-18 mm.And the labial palps point directly forwards.Corcyra cephalonica (Stainton) – Rice MothIn the adults the hind-wings are pale buff, and the fore-wings are mid-brown or greyishbrownwith thin vague lines of a darker brown along the wing veins. The fringes of hairs along thewing margins are relatively short and wing span is usually 15-25 mm. The labial palps pointforward or downward; in the female they are long and pointed and in the male they are very short,blunt and inconspicuous.- 168 -
(Seed Health Management for Better Productivity)Management of Insect Pests of Stored SeedAdopt following code of practices at different stage for management of insect pests ofstored seed:A.Harvesting and threshing stage Harvest fully mature crop Use only properly cleaned and disinfested equipments for harvesting operations Use moisture, insect and rodent free threshing yards located away from stores andgodowns Disinfest the threshing yards with recommended pesticideso Deltamethrin 2.5 WP 40g/litreo Malathion 50 EC 10 ml/litreo Pirimiphos methyl 50 EC 10 ml/litre- 169 -
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potential. An improvement in qualit
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9. Session Arrangement CommitteeDr.
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9. Dr. Pradip Kumar BorahSr. Scient
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TRAININGONANNEXURE-IIISEED HEALTH M
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ANNEXURE-IVCENTRE OF ADVANCED STUDI
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SundayApril 6MondayApril 7TuesdayAp
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TuesdayApril 15WednesdayApril 16Thu
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