Table 2.
Details of multi‐parent populations and their applications in trait mapping in some crops
Crop | Founders involved | Size | Markers assayed | Trait mapped | Approach used | References |
---|---|---|---|---|---|---|
Magic | ||||||
Cowpea | 8 | 305 | 51, 128 SNPs | Flowering time, growth habit, seed size, maturity, photoperiod | Interval QTL mapping | Huynh et al. (2018) |
Faba bean (Go¨ttingen Winter Bean Population, GWBP) | 11 | 400 | 156 SNPs | Morphological traits, fatty acid composition, shoot water content | Association mapping | Sallam and Martsc (2015) |
4 | – | 875 SNPs | – | – | Khazaei et al. (2018) | |
Rice | ||||||
Japan‐MAGIC (JAM) | 8 | 981 | 16 345 SNPs | Days to heading, culm length | GWAS | Ogawa et al. (2018) |
MAGIC, MAGIC plus, japonica MAGIC, Global MAGIC |
8, 16 | 500–1328 | 17 387 SNPs | Submergence tolerance, bacterial blight, grain quality | GWAS | |
Sorghum | 19 | 1000 | 79 728 SNPs | Plant height | GWAS | Ongom and Ejeta (2018) |
Wheat | 8 | 394 | 17 267 SNPs | Powdery mildew | Interval QTL mapping | Stadlmeier et al. (2018) |
8 | 1091 | 90 000 SNPs | Awning | Mackay et al. (2014) | ||
4, 8 | 1579 | 1670 DArTs | Plant height and hectolitre weight | Interval QTL mapping | Huang et al. (2012) | |
Maize | 8 | 1636 | 54 234 SNPs | Days to pollen shed, plant height, ear height and grain yield | Linkage mapping and association mapping | Dell’Acqua et al. (2015) |
NAM * | ||||||
Maize (B73) | 26 | 5000 | 3641 SNPs | Flowering time | Joint linkage analysis and GWAS | Buckler et al. (2009) |
1106 SNPs | Northern leaf blight | Joint linkage analysis and GWAS | Poland et al. (2011) | |||
1106 SNPs | Kernel Composition | Joint linkage analysis and GWAS | Cook et al. (2012) | |||
– | Leaf architecture traits | GWAS | Tian et al. (2011) | |||
TeoNAM (W22) | 6 | 1257 | 51 544 | Domestication and agronomic traits | Joint linkage analysis and GWAS | Chen et al. (2019a) |
Soybean (IA3023) | 41 | 5600 | 5303 SNPs | Grain yield stability | GWAS | Xavier et al. (2018) |
Wheat (Berkut) | 29 | 2100 | 800 000 SNPs | – | – | Jordan et al. (2018) |
Wheat (Asassa) | 51 | 6280 | 13 000 SNPs | Phenology traits and plant height | GWAS | Kidane et al. (2019) |
Rice (IR64) | 11 | 1879 | 7152 SNPs | Days to heading | Joint linkage analysis | Fragoso et al. (2017) |
Sorghum (RTx430) | 11 | 2214 | 90 000 SNPs | Flowering time and plant height | Joint linkage analysis | Bouchet et al. (2017) |
Barley (Barke) | 26 | 1420 | 27 000 SNPs | Glossy spike, glossy sheath and black hull colour | GWAS | Nice et al. (2016) |
5398 SNPs | Yield‐related traits | GWAS | Sharma et al. (2018) | |||
Pea (Cameor) | 8 | 927 | 13 204 SNPs | Seed yield components, seed composition, plant phenology and plant morphology | – | Tayeh et al. (2015) |
Groundnut (NAM‐Tifrunner & NAM‐Florida‐07) | 5, 5 | 581 496 | 58 000 SNPs | 100‐pod weight and 100‐seed weight | Linkage mapping and association mapping | Gangurde et al. (2019) |
Common parent of the NAM population is shown in parentheses.