Cell-and tissue culture methods in combination with conventional breeding process were suitable way to produce new varieties. These applications gave new breeding alternatives to release competitive genotypes in comparison with traditional ones. To the breeding of 'Risabell' (1997) DH lines were produced via anther culture from F 2 population of a single cross combination. The new variety was improved for resistance to blast disease, high milling and cooking quality and long grain type. In case of 'Janka ' (2003) haploid cell cultures were developed and their vigorous regenerants were colchicine treated. One of the best fertile lines was released as 'Janka' has vigorous seedling growth, drought tolerance and good grain quality. The variety 'Ábel' (2005) was improved through somatic tissue culture regeneration followed by anther culture. Main characteristics of this variety are earliness, early stage cold tolerance and good performance in aerobic conditions. The breeding-processes of these State approved rice varieties demonstrate the successful integration of biotechnological methods and pedigree-breeding. A. Touraev et al. (eds.) Advances in Haploid Production in Higher Plants, 189
The growing global water shortage is an increasing challenge for the agricultural sector, which aims to produce sufficient quantity and quality of food and animal feed. In our study, effluent water from an intensive African catfish farm was irrigated on grain sorghum plants in four consecutive years. In our study the effects of the effluent on the N, P, K, Na content of the seeds, on the phenological parameters (plant height, relative chlorophyll content), the green mass, and on the grain yield of three varieties (‘Alföldi 1’, ‘Farmsugro 180’ and ‘GK Emese’) were investigated. Five treatments (Körös River (K) water and effluent (E) water: 30 and 45 mm weekly irrigation water dose; non-irrigated control) were applied with micro-spray irrigation. Compared to non-irrigated plants, effluent water did not negatively affect the N, P, K and Na contents of the grain crop. In terms of phenological parameters, the quality of the irrigation water (150–230 cm) had no negative effect on any of the measured parameters compared to the control (133–187 cm) values. In terms of biomass in 2020, grain yields were 89–109 g/plant with variety Alföldi 1, 64–91 g/plant with variety Farmsugro 180, and 86–110 g/plant with GK Emese.
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