Registration of TAM RKRNR9 and TAM RKRNR12 Germplasm Lines of Upland Cotton Resistant to Reniform and RootKnot Nematodes Academic Article uri icon


  • 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.

published proceedings

  • Journal of Plant Registrations

altmetric score

  • 3

author list (cited authors)

  • Starr, J. L., Smith, C. W., Ripple, K., Zhou, E., Nichols, R. L., & Faske, T. R.

citation count

  • 11

complete list of authors

  • Starr, JL||Smith, CW||Ripple, K||Zhou, E||Nichols, RL||Faske, TR

publication date

  • January 2011