PMID- 32272619
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20200928
IS  - 2223-7747 (Print)
IS  - 2223-7747 (Electronic)
IS  - 2223-7747 (Linking)
VI  - 9
IP  - 4
DP  - 2020 Apr 7
TI  - Heterotic Effect of Different Cytoplasmic Combinations in Sunflower Hybrids 
      Cultivated Under Diverse Irrigation Regimes.
LID - 10.3390/plants9040465 [doi]
LID - 465
AB  - The sunflower hybrids hold a narrow cytoplasmic diversity. Besides, the heterotic 
      effect of wild cytoplasmic combinations of sunflower on important traits under 
      water stress has not been explored in detail. Here, we evaluated the different 
      sunflower cytoplasmic combinations in sunflower hybrids using cytoplasmic male 
      sterile (CMS) sources as female parents. We used a total of sixteen sunflower 
      genotypes representing twelve CMS lines from wild and conventional sources along 
      with four restorer lines. Twelve CMS lines were crossed with four restorer lines 
      to develop a total of 48 F(1) hybrid combinations. The hybrids were evaluated 
      under two different environments (i.e., regular irrigation and water stress) for 
      morphophysiological, yield, and biochemical traits over two years. Heterotic 
      effect for various CMS sources was evaluated on all of the three possible scales, 
      namely, better-parent heterosis (BPH), mid-parent heterosis (MPH), and heterosis 
      as percent of check (PSH-996). For better-parent and mid-parent heterosis, the 
      CMS sources Helianthus annuus, Helianthus argophyllus, and Helianthus debilis 
      demonstrated positive better-parent heterosis for seed yield, oil content, and 
      oleic acid irrespective of the environment. However, the hybrid combinations of 
      different sources when using the genotype RCR8297 as the restorer parent recorded 
      maximum average returns. Furthermore, chlorophyll meter (SPAD) reading positively 
      correlated with days to 50% flowering, days to maturity, plant height, and number 
      of leaves per plant in both the environments. Overall, this study identified and 
      compared the heterotic effect of the different cytoplasmic combinations in 
      sunflower under water stress as well as under normal irrigation environments.
FAU - Tyagi, Vikrant
AU  - Tyagi V
AUID- ORCID: 0000-0003-2017-1328
AD  - Department of Plant Breeding and Genetics, Punjab Agricultural University, 
      Ludhiana 141004, India.
FAU - Dhillon, Satwinder Kaur
AU  - Dhillon SK
AD  - Department of Plant Breeding and Genetics, Punjab Agricultural University, 
      Ludhiana 141004, India.
FAU - Kaur, Gurpreet
AU  - Kaur G
AD  - Department of Plant Breeding and Genetics, Punjab Agricultural University, 
      Ludhiana 141004, India.
FAU - Kaushik, Prashant
AU  - Kaushik P
AD  - Instituto de Conservacion y Mejora de la Agrodiversidad Valenciana, Universitat 
      Politecnica de Valencia, 46022 Valencia, Spain.
AD  - Nagano University, 1088 Komaki, Ueda, 386-0031 Nagano, Japan.
LA  - eng
PT  - Journal Article
DEP - 20200407
PL  - Switzerland
TA  - Plants (Basel)
JT  - Plants (Basel, Switzerland)
JID - 101596181
PMC - PMC7238153
OTO - NOTNLM
OT  - Helianthus annuus
OT  - cytoplasmic male sterility
OT  - heterosis
OT  - hybrids
OT  - water stress
COIS- The authors declare no conflicts of interest.
EDAT- 2020/04/11 06:00
MHDA- 2020/04/11 06:01
PMCR- 2020/04/07
CRDT- 2020/04/11 06:00
PHST- 2020/01/10 00:00 [received]
PHST- 2020/03/26 00:00 [revised]
PHST- 2020/03/27 00:00 [accepted]
PHST- 2020/04/11 06:00 [entrez]
PHST- 2020/04/11 06:00 [pubmed]
PHST- 2020/04/11 06:01 [medline]
PHST- 2020/04/07 00:00 [pmc-release]
AID - plants9040465 [pii]
AID - plants-09-00465 [pii]
AID - 10.3390/plants9040465 [doi]
PST - epublish
SO  - Plants (Basel). 2020 Apr 7;9(4):465. doi: 10.3390/plants9040465.