Grain yield, end-use quality and stress resistance of winter wheat cultivars aglika and slaveya
Download PDF
Author: Tsenov, Nikolay; Atanasova, Dobrinka; Stoeva, Ivanka; Petrova, Tatyana
During the recent years, wheat breeding has Ьееп directed mainly towards combining high productivity, end-use quality and Ьiotic and abiotic stress resistance. This is motivated Ьу the actual demand of this type of products Ьу producers and grain dealers. The research work efforts of DAI - General Toshevo lead to the development of cultivars with good comЬination of the above traits and properties, which аге generally difficult to comЬine. Representative models of such cultivars are Aglika and Slaveya, varieties already introduced in production. The high yields oьtained are matched Ьу good quality, which gives certain advantages to the farmers when selling their produce. The two varieties were developed Ьу the pedigree method after using conventional intervarietal hybridization comЬining the multiple diseases resistant Pliska cultivar with genetic material based оп the high­ quality cultivar Bezostaya - а variety of good drought tolerance. The suitaЬility of cultivars Aglika and Slaveya for mass production was confirmed Ьу а three-year testing within the system of the Bulgarian state varietal testing during the 1990's. After the cultivars were officially released (Aglika in 1997 and Slaveya in 2000), their testing continued both in the DAI trial field and in production fields all over the country to confirm the successful comЬination between yield and end-use quality. This рарег presents data on grain quality, disease resistance and stress tolerance from different trials performed during the last 1О years. The focus is оп the high adaptaЬility of the cultivars to various soil and climatic conditions during the years of growing adequate to their high yields and end-use quality. The systematic development, accumulation and combining of valuaЫe breeding materials created at DAI - General Toshevo during the 1970's has lead to the development of such varieties as Aglika and Slaveya; their combinations of Ьiological traits and properties make them competitive to all wheat varieties grown in Bulgaria and in the neighbouring countries.