Discovery of a novel mitochondrial DNA molecule associated with tetrad pollen sterility in potato

BMC Plant Biology

Table 3 Stainability of pollen from interspecific hybrids resulting from crosses between S. verrucosum (female) and 2x clones (male)

Female accession	No. of male parents	No. of hybrids	Pollen stainability (%)		Pollen shape
Female accession	No. of male parents	No. of hybrids	Average	SD	Pollen shape
PI 275260	3	14	73.3	17.60	Normal
PI 498061	3	10	2.8¹⁾	2.51	T-CMS
PI 545745	2	10	79.0	19.30	Normal
PI 545746	2	9	73.7	15.83	Normal
PI 545747	2	9	67.2	13.90	Normal
PI 545810	3	15	67.0	7.63	Normal
PI 545811	2	10	62.7	22.78	Normal
PI 558488	3	15	59.0	14.57	Normal

ISSN: 1471-2229