Erratum to: Heterosis for seed, oil yield and quality of some different hybrids sunflower

Ahmed, Mohamed A.; Hassan, Tamer H.; Zahran, Hamdy A.

doi:10.1051/ocl/2021019

Cited by 6 publications

(5 citation statements)

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“…Indeed, heterosis, i.e., the superiority of the hybrid performance compared to parental lines, has been demonstrated in several species such as maize, sunflower, etc. [13,55,56]. By contrast, the difficulties linked to the use of chemical hybridization agent as well as their limited superiority compared to pure lines have long hampered the development of wheat hybrids.…”

Section: Discussionmentioning

confidence: 99%

Dissecting Bread Wheat Heterosis through the Integration of Agronomic and Physiological Traits

Gimenez

Argillier²,

Pierre³

et al. 2021

Biology

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To meet the challenge of feeding almost 10 billion people by 2050, wheat yield has to double by 2050. However, over the past 20 years, yield increase has slowed down and even stagnated in the main producing countries. Following the example of maize, hybrids have been suggested as a solution to overcome yield stagnation in wheat. However, wheat heterosis is still limited and poorly understood. Gaining a better understanding of hybrid vigor holds the key to breed for better varieties. To this aim, we have developed and phenotyped for physiological and agronomic traits an incomplete factorial design consisting of 91 hybrids and their nineteen female and sixteen male parents. Monitoring the plant development with normalized difference vegetation index revealed that 89% of the hybrids including the five higher yielding hybrids had a longer grain filling phase with a delayed senescence that results in larger grain size. This average increase of 7.7% in thousand kernel weight translated to a positive mid-parent heterosis for grain yield for 86% of hybrids. In addition, hybrids displayed a positive grain protein deviation leading to a +4.7% heterosis in protein yield. These results shed light on the physiological bases underlying yield heterosis in wheat, paving new ways to breed for better wheat hybrids.

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Section: Discussionmentioning

confidence: 99%

Dissecting Bread Wheat Heterosis through the Integration of Agronomic and Physiological Traits

Gimenez

Argillier²,

Pierre³

et al. 2021

Biology

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“…They further noted maximum positive high parent heterosis for linoleic acid in hybrid TS-18 × TR-6023 (16.19%) and heterobeltiotic effect of linoleic acid was negative in nine F1 hybrids that ranged from -20.66 to 9.69%. In similar study, it was reported that positive heterosis in 28 F1 hybrids over parental mean heterosis (39). The heterobeltiosis however ranged from 66.24% (A1 × Rf9) to 22.87% (A7 × Rf18) in both the hybrids.…”

Section: Linoleic Acids (%)mentioning

confidence: 54%

“…In another study, (35) also verified parental mean heterosis (52%) and better parent heterosis (51%), nevertheless hybrid TS-335 × 291RGI exhibited maximum negative mid and high parent heterotic effects while hybrid TS-18 × R-25 expressed highest positive mid and high parent heterosis. Quite a higher was observed by (39) in their heterotic studies and noted the maximum heterosis All of the F2 progenies showed low to moderate level of inbreeding impacts which varied from -1.44% up to -3.09% in non-stress (Table 8) and -1.57 to -10.14% under water stress conditions (Table 9). Inbreeding effect was higher in stress than in non-stress environments (Table 5).…”

Section: Oleic Acidmentioning

confidence: 88%

Heterosis and inbreeding depression for yield and oil traits of sunflower genotypes under water stress conditions

Kaleri

Jatoi²,

Baloch³

et al. 2023

Plant Sci. Today

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The mean squares from analysis indicated significant differences was observed between treatments, inbred parents, F1 hybrids and F2 progenies for agronomic, oil and protein traits. The noteworthy variances between parents vs. hybrids indicated the importance of heterosis breeding. heterotic effects were found as potential hybrids for earliness, seed yield, oil and protein content in both the environments. The hybrids such as Thatta × UC-666, Mehran × Peshawar-93 and HO.1 × B-2 which have articulated high hybrid vigor in F1s for majority of the traits in normal and adverse conditions may be recommended for further commercial exploitation. The F2 progenies manifested high inbreeding depression for phenological traits and plant height signified that earlier maturing and dwarf plants resistant to lodging can achieved from filial generations.

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“…Other hybrids, such as CMS-852A × EC-623023, yielded much more oil than DRSH-1 in all four locations and significantly more oil than KBSH-53 and LSFH-171 in two locations, Nimpith and Baruipur. Other resechers [ 32 – 37 ] also reported standard (economic) heterosis of sunflower hybrids for seed yield and oil yield.…”

Section: Discussionmentioning

confidence: 99%

Yield stability and economic heterosis analysis in newly bred sunflower hybrids throughout diverse agro-ecological zones

Chakraborty

Lakshman²,

Debnath

et al. 2022

BMC Plant Biol

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Exploration of heterosis is a strategy for enhancing sunflower yield and productivity. In India, the greatest constraints on sunflower production are stagnant and inconsistent yields. By raising them in a variety of ecological conditions, stable per-se performance with the highest yielding potential sunflower hybrids were selected. Sustainable agriculture requires the use of desirable hybrids with high seed yields and oil content too. By making three distinct crossing sets from 32 sunflower genotypes, 11 cytoplasmic male sterility (CMS), and 21 restorer lines, a total of 124 hybrids were developed (comprising both lines and tester). After extensive field evaluation of all hybrids, only eight superior F1s belonging to all three sets, as well as the three national control hybrids KBSH-53, LSFH-171, and DRSH-1, were selected for stability analysis in four agro-ecological regions of West Bengal, India viz., Nimpith, Baruipur, Bankura, and Berhapore. The genetic stability of several phenotypic characters was assessed using statistical models that examine genotype-environment interaction (G × E) in multi-locational yield trials. In this experiment, the performance of hybrids under various environmental circumstances over two-year periods was measured using regression coefficient (bi) and deviations from regression (S2di). With the exception of genotypes CMS-852A × EC-601751 for volume weight (0.9335) and CMS-302A × EC-623011 for head diameter (0.0905) and volume weight (0.6425), all sunflower genotypes for all concerned traits had extremely minor and negligible deviations from regression (S2di), which showed significant values. The genotypes having insignificant values of S2di were more stable. The economic heterosis of these novel hybrids was also quantified. CMS-302A × EC-623011 in which seed yield was recorded 20.90, 20.91, 20.95 and 20.90% higher than DRSH-1 at Nimpith, Baruipur, Bankura and PORS (Berhampur), respectively. The research revealed that CMS-302A × EC-623011, CMS-853A × EC-623027 and P-2–7-1A × EC-512682 exhibited good seed production and stability for critical agronomic parameters in addition to oil content. As a result, the current researches enlighten to find out how stable the expression of important economic traits in sunflower hybrids is.

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Erratum to: Heterosis for seed, oil yield and quality of some different hybrids sunflower

Abstract: Regarding the article Heterosis for seed, oil yield and quality of some different hybrids sunflower.

Cited by 6 publications

References 0 publications

Dissecting Bread Wheat Heterosis through the Integration of Agronomic and Physiological Traits

Dissecting Bread Wheat Heterosis through the Integration of Agronomic and Physiological Traits

Heterosis and inbreeding depression for yield and oil traits of sunflower genotypes under water stress conditions

Yield stability and economic heterosis analysis in newly bred sunflower hybrids throughout diverse agro-ecological zones

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