Advances in Haploid Production in Higher Plants by Alisher Touraev, Brian P. Forster, Shri Mohan Jain

By Alisher Touraev, Brian P. Forster, Shri Mohan Jain

The significance of haploids is celebrated to geneticists and plant breeders. the invention of anther-derived haploid Datura vegetation in 1964 initiated nice pleasure within the plant breeding and genetics groups because it provided shortcuts in generating hugely fascinating homozygous crops. regrettably, the anticipated revolution used to be sluggish to materialise because of difficulties in extending the way to different species, together with genotypic dependence, recalcitrance, gradual improvement of tissue tradition applied sciences and an absence of data of the underlying approaches. fresh years have witnessed nice strides within the learn and alertness of haploids in better crops. After a lull in actions, drivers for the resurgence were: (1) improvement of potent tissue tradition protocols, (2) identity of genes c- trolling embryogenesis, and (3) huge scale and broad unfold advertisement up-take in plant breeding and plant biotechnology arenas. the 1st significant foreign symposium on “Haploids in better vegetation” happened in Guelph, Canada in 1974. at the moment there has been a lot pleasure concerning the power merits, yet in his beginning tackle Sir Ralph Riley provided the subsequent phrases of warning: “I think that it's relatively most probably that haploid study will contr- ute cultivars to agriculture in numerous plants sooner or later. although, the extra severe claims of the fans for haploid breeding needs to be handled with right warning. Plant breeding is topic at times to sweeping claims from ent- siastic proponents of recent tactics.

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Czern and Coss. Plant Breed 111:330–334 Thomas WTB, Forster BP, Getersson B (2003) Doubled haploids in breedings. In: Maluszynski M, Kasha KJ, Forster BP, Szarejko I (eds) Doubled Haploid Production in Crop Plants – A Manual. Kluwer, Dordrecht/Boston/London, pp 337–350 Thompson KF (1969) Frequencies of haploids in spring oil-seed rape (Brassica napus). Heredity 24:318–319 Thompson, KF (1972) Oil-seed rape. Rep. Pl. Breed. Inst. ) anther culture. Euphytica 119: 377–387 Touraev A, Heberle-Bors E (1999) Microspore embryogenesis and in vitro pollen maturation in tobacco.

Plant Cell Reprod 15:668–671 Zhao JP, Simmonds DH, Newcomb W (1996b) Induction of embryogenesis with colchicine instead of heat in microspores of Brassica napus L. cv. Topas. ). ) microspores treated with inducer chemicals. ) through microspore embryogenesis triggered by inducer chemicals. In: Maluszynski M, Kasha KJ, Forster BP, Szarejko I (eds) Doubled Haploid Production in Crop Plants – A Manual. ). ) production of doubled-haploid via induced androgenesis. In: Maluszynski M, Kasha KJ, Forster BP, Szarejko I (eds) Doubled Haploid Production in Crop Plants – A Manual.

2. Influence of barley genotype on in vitro haploid regeneration. Romanian Agric Res 5–6:13–20 Monostori T, Lantos C, Mihály R, Pauk J (2003) Induction of embryogenesis without exogenous hormone-supplement in barley microspore culture. ) microspores as influenced by the amount and composition of nitrogen sources in culture media. ) occurs primarily during regeneration. J Plant Physiol 144:586–593 Mujeeb-Kazi A, Riera-Lizarazu O (1997) Polyhaploid production in the Triticeae by sexual hybridization.

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