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ARS Home » Plains Area » College Station, Texas » Southern Plains Agricultural Research Center » Insect Control and Cotton Disease Research » Research » Publications at this Location » Publication #303811

Title: Registration of BARBREN-713 Germplasm line of Upland cotton resistant to reniform and root-knot nematodes

item Bell, Alois - Al
item Robinson, Arin
item Quintana, Jose
item Duke, Sara
item STARR, JAMES - Texas A&M University
item STELLY, DAVID - Texas A&M University
item ZHENG, ZIUTING - Texas A&M University
item PROM, SANDRIA - Texas A&M University
item SALADINO, VINCE - Texas A&M University
item Gutierrez, Osman
item Stetina, Salliana - Sally
item NICHOLS, ROBERT - Cotton, Inc

Submitted to: Journal of Plant Registrations
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 10/10/2014
Publication Date: 12/19/2014
Citation: Bell, A.A., Robinson, A.F., Quintana, J., Duke, S.E., Starr, J.L., Stelly, D.M., Zheng, Z., Prom, S., Saladino, V., Gutierrez, O.A., Stetina, S.R., Nichols, R.L. 2015. Registration of BARBREN-713 germplasm line of Upland cotton resistant to reniform and root-knot nematodes. Journal of Plant Registrations. 9:89-93.

Interpretive Summary: Nematodes are major pests of cotton causing loss of more than 4% of the crop annually. USDA scientists along with their colleagues at Texas A&M University, Mississippi State University, and Cotton Incorporated developed the germplasm line BARBREN-713 that is resistant to both root-knot and reniform nematodes. The line has suppressed nematodes and given increased yields at several locations across the Cotton Belt. The line has been released and is now being registered for use by public and commercial breeders. Lines developed from it should have increased yields and decreased costs for nematode control.

Technical Abstract: Cotton (Gossypium hirsutum L.) germplasm line BARBREN-713 (Reg. No. ___, PI _____) was developed and released by the USDA-ARS, Mississippi Agricultural and Forest Experiment Station, Texas A&M AgriLife Research, and Cotton Incorporated in 2012. The objective of the release was to provide public and private breeders with an agronomically desirable germplasm that is resistant to both the reniform nematode (Rotylenchulus reniformis Linford and Oliveira) and the root-knot nematode [Meloidogyne incognita (Kofoid and White) Chitwood]. The line also has excellent seedling vigor in fields infested with nematodes and fungal root rot pathogens, such as Thielaviopsis basicola, Rhizoctonia solani and Fusarium spp. Resistance to reniform nematode was transferred from G. barbadense Acc. No. GB713 (PI 608139) and is associated primarily with the Ren2GB713 gene on chromosome 21. Resistance to root-knot nematode was transferred from the germplasm line M-315 RNR (PI 592514) and is associated primarily with the Mi-1 gene on chromosome 11. The co-dominant SSR markers, BNL 3279_105 and CIR 316_202, respectively, were closely linked to the resistance genes. A SNP marker, GI-187401, also was developed to detect the Ren2GB713 gene. In controlled environment assays, BARBREN-713 suppressed reproduction of both nematodes by 90% or more. It also reduced reniform nematode populations in the field at eight locations in four states. The line has fiber quality similar to M-315 RNR but yielded more than M-315 RNR in reniform nematode-infested fields.