Diversity, distribution of Puroindoline genes and their effect on kernel hardness in a diverse panel of Chinese wheat germplasm

Table 1 Number and types of accessions for kernel hardness measurement and Puroindoline-D1 detection

	Region^a	Cultivars	Landraces	Total
China	I	244	4	248
	II	1065	25	1090
	III	81	25	106
	IV	95	43	138
	V	2	1	3
	VI	9	3	12
	VIII	32	4	36
	IX	1	2	3
	X	10	0	10
Foreign				141
Total		1539	107	1787

^aDefinition of wheat cultivation regions: I (Northern winter wheat region), II (Yellow and Huai River Valley winter wheat region), III (Middle and Low Yangtze Valley winter wheat region), IV (Southwestern winter wheat region), V (Southern winter wheat region), VI (Northeastern spring wheat region), VIII (Northwestern spring wheat region), IX (Qing-Tibetan Plateau spring-winter wheat region) and X (Xinjiang winter-spring wheat region)

ISSN: 1471-2229