Table 3.

Summary of the Sclerotinia basal stalk rot tests of the BC₂F₂populations in the greenhouse derived from crosses with wild sunflower accessions of the H. argophyllus and H. petiolaris.

Line/Plant ID	Pedigree	No. of plants tested	No. of dead plants	Disease incidence (%)
H. argophyllus
Cargill 270 (S-check)		36	35	97.2
HA 89 (recurrent parent)		36	24	66.7
HA 441 (R-check)		36	10	27.8
Croplan 305 (R-check)		36	9	25.0
11-272	HA89//HA458/(NMS HA89 × H. argophyllus PI 494573)	46	37	80.0
11-273	HA89//HA458/(NMS HA89 × H. argophyllus PI 494573)	38	16	42.0
11-274	HA89//HA458/(NMS HA89 × H. argophyllus PI 494573)	48	24	50.0
11-275	HA89//HA458/(NMS HA89 × H. argophyllus PI 494573)	48	21	44.0
11-276	HA89//HA458/(NMS HA89 × H. argophyllus PI 494573)	32	16	50.0
11-280	HA89//HA458/(NMS HA89 × H. argophyllus PI 494573)	48	24	50.0
11-281	HA89//HA458/(NMS HA89 × H. argophyllus PI 494573)	168	48	28.6
11-282	HA89//HA458/(NMS HA89 × H. argophyllus PI 494573)	48	28	58.0
11-283	HA89//HA458/(NMS HA89 × H. argophyllus PI 494573)	168	36	21.4
Total		644	250	39.0
H. petiolaris
Cargill 270 (S-check)		36	34	94.0
HA 89 (recurrent parent)		36	30	83.0
HA 441 (R-check)		36	16	44.4
Croplan 305 (R-check)		36	13	36.0
11-255	HA89//HA458/(NMS HA89 × H. petiolaris ssp. fallax PI435843)	192	138	71.9
11-256	HA89//HA458/(NMS HA89 × H. petiolaris ssp. fallax PI435843)	312	190	60.9
11-257	HA89//HA458/(NMS HA89 × H. petiolaris ssp. fallax PI435843)	48	35	73.0
11-258	HA89//HA458/(NMS HA89 × H. petiolaris ssp. fallax PI435843)	48	39	81.0
11-279	HA89//HA458/(NMS HA89 × H. petiolaris ssp. fallax PI435843)	168	119	70.8
Total		768	521	67.8