Quantitative trait loci for growing degree days to flowering and photoperiod response in Sunflower (Helianthus annuus L.)

2001 ◽  
Vol 102 (4) ◽  
pp. 497-503 ◽  
Author(s):  
A. J. Leon ◽  
M. Lee ◽  
F. H. Andrade
Keyword(s):  
Quantitative Trait Loci ◽  
Helianthus Annuus ◽  
Quantitative Trait ◽  
Photoperiod Response ◽  
Growing Degree Days ◽  
Degree Days ◽  
Days To Flowering ◽  
Helianthus Annuus L ◽  
Trait Loci

Mapping quantitative trait loci controlling oil content, oleic acid and linoleic acid content in sunflower (Helianthus annuus L.)

2016 ◽  
Vol 36 (7) ◽  
Author(s):  
Ameena Premnath ◽  
Manivannan Narayana ◽  
Chandirakala Ramakrishnan ◽  
Senthil Kuppusamy ◽  
Vanniarajan Chockalingam
Keyword(s):  
Oleic Acid ◽  
Linoleic Acid ◽  
Quantitative Trait Loci ◽  
Helianthus Annuus ◽  
Quantitative Trait ◽  
Acid Content ◽  
Oil Content ◽  
Linoleic Acid Content ◽  
Helianthus Annuus L ◽  
Trait Loci

scholarly journals Production and Commercialization of Helianthus annuus L. for Cut Flowers in Texcoco, Mexico

2021 ◽  
Vol 14 (05) ◽  
Author(s):  
V. García-Reyes ◽  
J. Silvano-Sánchez ◽  
J. Zavala-Ruiz ◽  
L. Meraz-Huescas ◽  
Obdulia Baltazar-Bernal
Keyword(s):  
Helianthus Annuus ◽  
Cost Benefit ◽  
Sowing Date ◽  
Added Value ◽  
Growing Degree Days ◽  
Cut Flowers ◽  
Degree Days ◽  
Helianthus Annuus L ◽  
Flower Diameter ◽  
Cutting Point

Objective: To evaluate the process of sunflower production (Helianthus annuus L.) for fresh cutting flowers, considering two sowing dates, growing degree-days, and commercialization. Design/Methodology/Approach: A completely randomized experimental design with subsampling was used, with five repetitions per treatment (sowing date), in order to analyze the variables: number of leaves, height, and flower diameter. Vincent Choice Dark Eye Ball™ sunflowers were sown in black plastic boxes with 8 cm of soil on January 31 and February 11, 2020, at 153 plants per m-2 in a greenhouse. Later, the seedlings were grown in the open field until harvesting, after which they were given added value and then locally traded. In addition, the growing degree-days (GDD) were calculated. Results: The sunflowers registered a height of 55 cm, 13 leaves per stalk, and a flower diameter of 6.88 cm. Late sowing favored the height and diameter of the flower. The sunflower hybrid required more GDD to reach commercial flower maturity in the first sowing date. The cost-benefit ratio was 1.38. Study Limitations/Implications: Seeds were sown on only two dates. Findings/Conclusions: The production process involved planning, management, and commercialization. The sunflower hybrid required on average 499 GDD to reach the cutting point. The added value increased the price fivefold.

scholarly journals Identification of quantitative trait loci (QTLs) influencing early vigour, height, flowering date, and seed size and their implications for breeding of narrow-leafed lupin (Lupinus angustifolius L.)

2008 ◽  
Vol 59 (6) ◽  
pp. 527 ◽  
Author(s):  
Jeffrey G. Boersma ◽  
Chengdao Li ◽  
Karolina Leśniewska ◽  
Krishnapillai Sivasithamparam ◽  
Huaan Yang
Keyword(s):  
Quantitative Trait Loci ◽  
Seed Size ◽  
Quantitative Trait ◽  
Lupinus Angustifolius ◽  
Linkage Groups ◽  
Model Legume ◽  
Days To Flowering ◽  
Vernalisation Requirement ◽  
Early Vigour ◽  
Trait Loci

We report the first quantitative trait loci (QTL) mapped in an F8 recombinant inbred line (RIL) population of Lupinus angustifolius. Traits mapped were early vigour, days to flowering, height at maturity, and seed size. Twenty-two QTLs were found, located on 13 linkage groups, with alleles beneficial to the crop contributed by both parents. Early vigour was controlled by 8 QTLs on 7 linkage groups. Time to flowering was controlled by 10 QTLs and the height at maturity was found to be under the control of 4 QTLs. Seed size was linked to 2 QTLs. A region linked to the Ku gene that promotes early flowering by removal of the vernalisation requirement appeared to play a role in all 4 traits. The gene mollis controlling soft-seededness appeared to also be linked to early vigour, and iucundis controlling alkaloid production was linked to seed size. Five pairs of QTLs were found to be involved in epistasis, 2 of these having an effect on early vigour and another 3 influencing the time to opening of the first florets. Variation explained for each trait ranged from 28% for seed size, to 88% for days to flowering. We showed that it was possible to use these data to predict genotypes of superior progeny for these traits under Mediterranean conditions. QTL regions were compared on a second published linkage map and regions of conserved synteny with the model legume Medicago truncatula highlighted.

Quantitative trait loci influencing days to flowering and plant height in cowpea, Vigna unguiculata (L.) Walp

2020 ◽  
Vol 295 (5) ◽  
pp. 1187-1195
Author(s):  
Brijesh Angira ◽  
Yang Zhang ◽  
Chantel F. Scheuring ◽  
Yadong Zhang ◽  
Laura Masor ◽  
...  
Keyword(s):  
Quantitative Trait Loci ◽  
Plant Height ◽  
Vigna Unguiculata ◽  
Quantitative Trait ◽  
Days To Flowering ◽  
Trait Loci
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