Resistance of Wild Species of Groundnut to Insect and Mite Pests

Abstract

Whrle sources ot resrslance are avarlable in cuhvaled specres ot groundnul to some pests such as. Ihrrps. (Scirtothnps dorsalis Hood. Frankl~ntella schultrer Trybom. and F lusca Hrnds ). ~asstds (Empoasca fabse Harrts and E kerr~P rulhr), lermiles (Odontotermes spp), andsouthern corn roo1 worn?( Diabro~rc. undeompunctala howardi Barber). a hrgh level of resisfance has yet to be cdentrtrsd lor several rmporrant pests such as the groundnut aphid (Aphrs craccrvora Woch ). Spodoptera spp. Heltoth~ss pp. and miles (Tetranychus spp) Avarlable reports mdicale that some wlld Arachts specres have very high levels ol resrstence to these pests Specres wrthrn the seclron Arach~so ffer Ihe highest polentral lor rapid trtrlrrelion 01 wild germplasm Future hybrrdization programs should utrlrze A chacoense as a source ot resrstance to aphrds, thrrps, lassids and tomalo spotted wilt virus. A baltrocol and A correnttna lor lassid resislance. A chacoense and A stenosperma for pod-bonng ~nsecr resrslance. A vtllosultcarpn. A correntlna. and Arachls sp PI 263996 tor mrle resrslance. and A correnttna tor Heltoth~sr esrstance