Longhua Zhou^1,2,#, Ting He^1,2,#, Jing Li^1,2,3, Guimei Guo^1,2, Yingbo Li^1,2, Hongwei Xu^1,2, Runhong Gao^1,2, Linli Huang^1,2, Yifei Wang^1,2, Ruiju Lu^1,2, Zhiwei Chen^1,2,*, Chenghong Liu^1,2,*

Phyton-International Journal of Experimental Botany, Vol.91, No.7, pp. 1419-1428, 2022, DOI:10.32604/phyton.2022.019912 - 14 March 2022

Abstract Phytohormones play important roles in plant growth and development, and polyploids are thought to be an important method for plant breeding. However, the relationship between ploidy and phytohormone is still unclear. In this study, barley at three ploidy levels were produced by microspore culture. Therefore, we further analyzed the phytohormone content in the shoots and roots of the three kinds of barley materials to study the effect of ploidy on phytohormones accumulation and distribution. The results showed that Abscisic acid (ABA), gibberellin (GA), jasmonic acid (JA), auxin (IAA), salicylic acid (SA) and cytokinin (CTK) were More >

MUNIYANDI SAMUEL JEBERSON^1,*, HARINDER KUMAR CHAUDHARY², RAKESH KUMAR CHAHOTA³, SHABIR HUSSAIN WANI^4,*

BIOCELL, Vol.45, No.6, pp. 1651-1659, 2021, DOI:10.32604/biocell.2021.015735 - 01 September 2021

Abstract The rye genome has shown potential for improvement of bread wheat, where wheat-rye substitutions and translocations have been and are frequently used in resistance breeding. Crosses belongs to different generations viz., BC₁F₁, BC₁F₂, BC₁F₃, BC₁F₄ and BC₂F₃ of triticale × wheat derived were used for different haploid induction parameters using Gogon grass (Imperata cylindrica) as a pollen source. The percentage of pseudo seed formation ranged from 34.55% for BC₁F₂ to 63.77 for BC₁F₁ crosses, the haploid embryo formation ranges from 9.43% for BC₁F₁ to 30.2% for BC₁F₂, the haploid plant generation ranges from 19.36% for BC₁F₂ to 63.25% for BC₁F₁. Four doubled More >

Paul Chege^1,2, Erzsébet Kiss², Csaba Lantos¹, Andrea Palágyi¹, János Pauk^1,2,*

Phyton-International Journal of Experimental Botany, Vol.90, No.2, pp. 475-487, 2021, DOI:10.32604/phyton.2021.013557 - 07 February 2021

Abstract Sorghum [Sorghum bicolor (L.) Moench] can benefit from accelerated breeding and release of improved varieties through doubled haploid technology. The technology has been used in speeding up the breeding of other major cereals such as wheat, maize and rice, for which generally widely applied optimised protocols exist. A reproducible protocol for the crop, that can overcome genotype dependency and other species-specific challenges such as phenolic exudation is however lacking. This study aimed at sorghum doubled haploids production thereby contributing to the development of an improved protocol. From the 28 hybrid genotypes, both F₁ registered- and experimental hybrids… More >