Registration of TAM RKRNR9 and TAM RKRNR12 Germplasm Lines of Upland Cotton Resistant to Reniform and RootKnot Nematodes
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TAM RKRNR-9 (Reg. No. GP-941; PI 662039) and TAM RKRNR-12 (Reg. No. CP-942; PI 662040) with resistance to the reniform (Rotylenchulus reniformis Linford & Oliveira) and root-knot [Meloidogyne incognita (Kofoid & White) Chitwood] nematodes are noncommercial breeding lines of upland cotton (Gossypium hirsutum L.) released by Texas AgriLife Research in 2010. Both lines were derived from the cross of the root-knot nematode resistant line M-315 RNR (G. hirsutum L.), and the reniform nematode resistant line Tx110 (G. barbadense L.). The resistance to reniform is moderate, suppressing nematode reproduction by 40-70%. The resistance to root-knot nematodes is high, similar to that of the M-315 RNR parent, with more than 90% suppression of reproduction and low amounts of root galling. This unique combination of resistance to the reniform and root-knot nematodes makes these breeding lines valuable for cottonbreeding programs. Crop Science Society of America.
Journal of Plant Registrations
author list (cited authors)
Starr, J. L., Smith, C. W., Ripple, K., Zhou, E., Nichols, R. L., & Faske, T. R.
complete list of authors
Starr, JL||Smith, CW||Ripple, K||Zhou, E||Nichols, RL||Faske, TR