PMID- 31063504
OWN - NLM
STAT- MEDLINE
DCOM- 20200114
LR  - 20231011
IS  - 1932-6203 (Electronic)
IS  - 1932-6203 (Linking)
VI  - 14
IP  - 5
DP  - 2019
TI  - Formation of heterotic pools and understanding relationship between molecular 
      divergence and heterosis in pearl millet [Pennisetum glaucum (L.) R. Br.].
PG  - e0207463
LID - 10.1371/journal.pone.0207463 [doi]
LID - e0207463
AB  - The present investigation was made to generate information on the heterotic pools 
      amongst pearl millet hybrid parents. A set of 17 representative parents was 
      selected from a diverse set of 147 hybrid parents using SSR based genetic 
      distance (GD) and clustering pattern; 136 hybrids were developed in diallel 
      fashion and evaluated at two locations in India. Moderate positive significant 
      correlation (r = 0.37, p<0.01) and (r = 0.33, p<0.01) was found between GD and 
      mid-parent heterosis (MPH) and better-parent heterosis (BPH), respectively, for 
      grain yield for all the hybrids. Higher correlation between genetically closer 
      individuals was observed for grain yield heterosis when the parents of B- and R- 
      crosses had lesser genetic distance (<0.68 GD) in comparison to those parental 
      combinations having GD higher than 0.68, indicating that the GD based predictions 
      for grain yield are better when the parents are genetically related than when 
      they are genetically diverse. In this study, all the pearl millet hybrid parents 
      seems to exist in two broad-based heterotic pools; one each represented by seed 
      and restorer parents as B x R hybrids showed highest mean heterosis for grain 
      yield than either of B x B or R x R crosses. Further, four heterotic pools have 
      been identified in this diverse set of hybrid parents of pearl millet, two each 
      for seed parents (HPB1 and HPB2) and for restorer parents (HPR3 and HPR4). Among 
      these, HPB1 x HPR3 was identified having the highest heterotic level, and could 
      be further used to develop higher yielding pearl millet hybrids.
FAU - Singh, Satbeer
AU  - Singh S
AUID- ORCID: 0000-0003-2135-4281
AD  - International Crops Research Institute for the Semi-Arid Tropics, Patancheru, 
      Telangana, India.
AD  - Department of Genetics and Plant Breeding, Chaudhary Charan Singh Haryana 
      Agricultural University, Hisar, India.
FAU - Gupta, Shashi Kumar
AU  - Gupta SK
AD  - International Crops Research Institute for the Semi-Arid Tropics, Patancheru, 
      Telangana, India.
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20190507
PL  - United States
TA  - PLoS One
JT  - PloS one
JID - 101285081
SB  - IM
MH  - Breeding
MH  - Cluster Analysis
MH  - Evolution, Molecular
MH  - Gene Frequency
MH  - Genetic Association Studies
MH  - *Genetic Variation
MH  - Hybrid Vigor/*genetics
MH  - Hybridization, Genetic
MH  - India
MH  - Microsatellite Repeats
MH  - Pennisetum/*genetics
MH  - Phenotype
PMC - PMC6504090
COIS- The authors have declared that no competing interests exist.
EDAT- 2019/05/08 06:00
MHDA- 2020/01/15 06:00
PMCR- 2019/05/07
CRDT- 2019/05/08 06:00
PHST- 2018/04/26 00:00 [received]
PHST- 2019/04/21 00:00 [accepted]
PHST- 2019/05/08 06:00 [entrez]
PHST- 2019/05/08 06:00 [pubmed]
PHST- 2020/01/15 06:00 [medline]
PHST- 2019/05/07 00:00 [pmc-release]
AID - PONE-D-18-12640 [pii]
AID - 10.1371/journal.pone.0207463 [doi]
PST - epublish
SO  - PLoS One. 2019 May 7;14(5):e0207463. doi: 10.1371/journal.pone.0207463. 
      eCollection 2019.