Pea breeding programmes in the Czech Republic.
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Abstract:
In 2010 the Czech acreage cultivated with grain legumes was 31318 ha. The most important grain legumes were peas, followed by soybeans, lupins and faba bean. While peas showed a dramatic decrease in acreage over recent years soybeans signifi cantly increased in their acreage. An important share of the Czech pea production is exported, either as feed or as seed. Breeding of peas has a long history in the Czech Republic. Today three companies are engaged in pea breeding, i.e. Semo s.r.o., Selgen a.s. and Agritec Ltd. Breeding activities of the three companies are outlined.Cite
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Evolution and spread of stem rust race Ug-99 has created an alarming global situation. Majority of the CIMMYT germplasm protected by gene Sr31 fell susceptible to this catastrophic strain. Like other parts of the world stem rust of wheat was very successfully controlled in Pakistan by the introduction of resistant germplasm during and after green revolution. In 2001 stem rust reappeared and hit many commercial varieties in the province of Sindh. Its sporadic infections were recorded in 2005 summer crop of Kaghan followed by 2005-06, 2006-07, 2007-08 and 2008-09 spring crops of Sindh. In a regional scenario, where by wheat crop of the whole CWANA region was threatened by the Ug-99, it was thought that the crop is attacked by Ug-99. To date data from the stem rust TRAP nurseries and analysis of the disease samples is presented here to clarify the situation about presence/absence of Ug-99 in Pakistan. Commercial cultivars resistant to local stem rust race and genes effective against local and Ug-99 races are identified and their implications to improve stem rust resistance of Pakistani cultivars are discussed.
Stem rust
Germ plasm
Rust (programming language)
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Soft rot (Erwinia carotovora ssp. atroseptica) and dry rot (Fusarium sulphureum) are serious storage diseases which must be considered in potato breeding. Resistance of potato cultivars and breeders' selections to both pathogens has been investigated. So far, resistant cultivars have not been developed. Differences within Solanum tuberosum are slight and are restricted primarily to grades of susceptibility.
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