Interception of insect pests in exotic seed germplasm.

摘要

Quarantine examination of 1,71,824 exotic seed samples of various crops during 2007-08 revealed infestation of insect pests in 465 samples including 173 with hidden infestation. Several pests were intercepted including storage beetles and weevils intercepted include Rhizopertha dominica in Triticum aestivum, Hordeum vulgare, Triticale from CIMMYT (Mexico), Sitophilus zeamais and Tribolium castaneum in Zea mays from Philippines and Thailand, respectively. Pests detected through X-ray radiography include seed chalcid (Bruchophagus gibbus authority) in (Trifolium pretense authoity) from USA and bruchids not yet reported from India like Bruchidius trifolii. in Trifolium alexandrium and Trifolium spp. from Egypt; Bruchus dentipes in Vicia faba from ICARDA (Syria); B. tristis in Lathyrus sativus from ICARDA (Syria); and C. subinnotatus in Vigna subterranea from Ghana. All the infested samples were salvaged using suitable treatments.