4 research outputs found

    Molecular and phenotypic characterisation of NS maize inbred lines.

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    ΠšΡƒΠΊΡƒΡ€ΡƒΠ· јС Π±ΠΈΡ™Π½Π° врста која испољава Π²Π΅Π»ΠΈΠΊΡƒ фСнотипску ΠΈ Π³Π΅Π½Π΅Ρ‚ΠΈΡ‡ΠΊΡƒ Π²Π°Ρ€ΠΈΡ˜Π°Π±ΠΈΠ»Π½ΠΎΡΡ‚. Π£ ΠΎΠ²ΠΎΠΌ Ρ€Π°Π΄Ρƒ ΠΈΠ·Π²Ρ€ΡˆΠ΅Π½Π° јС фСнотипска ΠΈ ΠΌΠΎΠ»Π΅ΠΊΡƒΠ»Π°Ρ€Π½Π° ΠΊΠ°Ρ€Π°ΠΊΡ‚Π΅Ρ€ΠΈΠ·Π°Ρ†ΠΈΡ˜Π° Π΄ΠΈΠ²Π΅Ρ€Π³Π΅Π½Ρ‚Π½ΠΈΡ… ΠΈΠ½Π±Ρ€Π΅Π΄ линија ΠΊΡƒΠΊΡƒΡ€ΡƒΠ·Π° којС сС користС Ρƒ ΠΎΠΏΠ»Π΅ΠΌΠ΅ΡšΠΈΠ²Π°Ρ‡ΠΊΠΈΠΌ ΠΏΡ€ΠΎΠ³Ρ€Π°ΠΌΠΈΠΌΠ° ΠΈ којС ΠΏΡ€Π΅Π΄ΡΡ‚Π°Π²Ρ™Π°Ρ˜Ρƒ ΠΌΠΎΠ³ΡƒΡ›ΠΈ ΠΈΠ·Π²ΠΎΡ€ Π°Π»Π΅Π»Π° са ΠΏΠΎΠ·ΠΈΡ‚ΠΈΠ²Π½ΠΈΠΌ ΡƒΡ‚ΠΈΡ†Π°Ρ˜Π΅ΠΌ Π½Π° агромонски Π²Π°ΠΆΠ½Π΅ особинС. Π’Π°ΠΊΠΎΡ’Π΅, ΠΈΠ΄Π΅Π½Ρ‚ΠΈΡ„ΠΈΠΊΠΎΠ²Π°Π½ΠΈ су Π°Π»Π΅Π»ΠΈ карактСристични Π·Π° ΠΎΠ΄Ρ€Π΅Ρ’Π΅Π½Π΅ Ρ…Π΅Ρ‚Π΅Ρ€ΠΎΡ‚ΠΈΡ‡Π½Π΅ Π³Ρ€ΡƒΠΏΠ΅ ΠΈ ΡƒΡ‚Π²Ρ€Ρ’Π΅Π½Π΅ су ΠΏΠΎΡ‚Π΅Π½Ρ†ΠΈΡ˜Π°Π»Π½ΠΎ Π·Π½Π°Ρ‡Π°Ρ˜Π½Π΅ Π²Π΅Π·Π΅ ΠΈΠ·ΠΌΠ΅Ρ’Ρƒ ΠΌΠ°Ρ€ΠΊΠ΅Ρ€Π° ΠΈ агрономски Π²Π°ΠΆΠ½ΠΈΡ… ΡΠ²ΠΎΡ˜ΡΡ‚Π°Π²Π° ΠΏΡ€ΠΈΠΌΠ΅Π½ΠΎΠΌ Π°ΡΠΎΡ†ΠΈΡ˜Π°Ρ‚ΠΈΠ²Π½Π΅ Π°Π½Π°Π»ΠΈΠ·Π΅, са Ρ†ΠΈΡ™Π΅ΠΌ Π΄Π°Ρ™Π΅ ΠΏΡ€ΠΈΠΌΠ΅Π½Π΅ Ρƒ ΠΌΠ°Ρ€ΠΊΠ΅Ρ€ Π°ΡΠΈΡΡ‚ΠΈΡ€Π°Π½ΠΎΡ˜ ΡΠ΅Π»Π΅ΠΊΡ†ΠΈΡ˜ΠΈ. Анализирани ΠΌΠ°Ρ‚Π΅Ρ€ΠΈΡ˜Π°Π» ΡΠ°ΡΡ‚ΠΎΡ˜Π°ΠΎ сС ΠΎΠ΄ 96 ΠΈΠ½Π±Ρ€Π΅Π΄ линија ΠΈΠ· Ρ‡Π΅Ρ‚ΠΈΡ€ΠΈ Ρ…Π΅Ρ‚Π΅Ρ€ΠΎΡ‚ΠΈΡ‡Π½Π΅ Π³Ρ€ΡƒΠΏΠ΅. ВридСсСт ΡˆΠ΅ΡΡ‚ микросатСлитских ΠΌΠ°Ρ€ΠΊΠ΅Ρ€Π° ΠΊΠΎΡ€ΠΈΡˆΡ›Π΅Π½ΠΎ јС Π·Π° ΠΈΠ·Ρ€Π°Ρ‡ΡƒΠ½Π°Π²Π°ΡšΠ΅ ΠΏΠ°Ρ€Π°ΠΌΠ΅Ρ‚Π°Ρ€Π° Π΄ΠΈΠ²Π΅Ρ€Π·ΠΈΡ‚Π΅Ρ‚Π° гСнских локуса. ΠŸΡ€ΠΈΠΌΠ΅ΡšΠ΅Π½Π΅ су Ρ‚Ρ€ΠΈ кластСр Π°Π½Π°Π»ΠΈΠ·Π΅ Π½Π° ΠΏΠΎΠ΄Π°Ρ†ΠΈΠΌΠ° добијСним ΠΌΠΎΠ»Π΅ΠΊΡƒΠ»Π°Ρ€Π½ΠΎΠΌ Π°Π½Π°Π»ΠΈΠ·ΠΎΠΌ. ΠŸΠΎΡ™ΡΠΊΠΈ ΠΎΠ³Π»Π΅Π΄ΠΈ су постављСни Ρƒ Ρ‚ΠΎΠΊΡƒ Π΄Π²Π΅ Π³ΠΎΠ΄ΠΈΠ½Π΅, ΠΏΠΎ ΠΏΠΎΡ‚ΠΏΡƒΠ½ΠΎ ΡΠ»ΡƒΡ‡Π°Ρ˜Π½ΠΎΠΌ Π±Π»ΠΎΠΊ систСму са Ρ‚Ρ€ΠΈ ΠΏΠΎΠ½Π°Π²Ρ™Π°ΡšΠ°. ДСскриптивна статистика, Π°Π½Π°Π»ΠΈΠ·Π° Π²Π°Ρ€ΠΈΡ˜Π°Π½ΡΠ΅, Π»ΠΈΠ½Π΅Π°Ρ€Π½Π΅ ΠΊΠΎΡ€Π΅Π»Π°Ρ†ΠΈΡ˜Π΅ ΠΈ Π°Π½Π°Π»ΠΈΠ·Π° Π³Π»Π°Π²Π½ΠΈΡ… ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚ΠΈ ΠΈΠ·Ρ€Π°Ρ‡ΡƒΠ½Π°Ρ‚Π΅ су Π·Π° 13 особина. Π’Π΅Π·Π΅ ΠΈΠ·ΠΌΠ΅Ρ’Ρƒ ΠΌΠ°Ρ€ΠΊΠ΅Ρ€Π° ΠΈ особина ΡƒΡ‚Π²Ρ€Ρ’Π΅Π½Π΅ су ΠΏΡ€ΠΈΠΌΠ΅Π½ΠΎΠΌ ΠΎΠΏΡˆΡ‚Π΅Π³ ΠΈ ΠΌΠ΅ΡˆΠΎΠ²ΠΈΡ‚ΠΎΠ³ Π»ΠΈΠ½Π΅Π°Ρ€Π½ΠΎΠ³ ΠΌΠΎΠ΄Π΅Π»Π°. ΠŸΡ€ΠΎΡΠ΅Ρ‡Π°Π½ Π±Ρ€ΠΎΡ˜ Π°Π»Π΅Π»Π° износио јС 8,3, просСчна полиморфност ΠΏΠΎΡ˜Π΅Π΄ΠΈΠ½Π°Ρ‡Π½ΠΈΡ… локуса износила јС 0,64, Π° ΠΏΡ€ΠΎΡ†Π΅Π½Π°Ρ‚ Ρ€Π΅Ρ‚ΠΊΠΈΡ… Π°Π»Π΅Π»Π° 8,5% ΠΏΠΎ локусу. Π£ΠΎΡ‡Π΅Π½ јС Π²Π΅Ρ›ΠΈ Π³Π΅Π½Π΅Ρ‚ΠΈΡ‡ΠΊΠΈ Π΄ΠΈΠ²Π΅Ρ€Π·ΠΈΡ‚Π΅Ρ‚ ΠΊΠΎΠ΄ BSSS Π½Π΅Π³ΠΎ ΠΊΠΎΠ΄ Lancaster линија. Π’ΠΈΡˆΠ΅ ΠΎΠ΄ Ρ‚Ρ€Π΅Ρ›ΠΈΠ½Π΅ Π°Π»Π΅Π»Π° Π±ΠΈΠ»ΠΎ јС карактСристично Π·Π° само Ρ˜Π΅Π΄Π½Ρƒ Π³Ρ€ΡƒΠΏΡƒ. Π Π΅Π·ΡƒΠ»Ρ‚Π°Ρ‚ΠΈ кластСр Π°Π½Π°Π»ΠΈΠ·Π° су Ρƒ вСликој ΠΌΠ΅Ρ€ΠΈ Π±ΠΈΠ»ΠΈ Ρƒ ΠΌΠ΅Ρ’ΡƒΡΠΎΠ±Π½ΠΎΡ˜ сагласности. Анализа Π²Π°Ρ€ΠΈΡ˜Π°Π½ΡΠ΅ ΡƒΠΊΠ°Π·Π°Π»Π° јС Π½Π° ΠΏΠΎΡΡ‚ΠΎΡ˜Π°ΡšΠ΅ статистички Π·Π½Π°Ρ‡Π°Ρ˜Π½ΠΈΡ… Ρ€Π°Π·Π»ΠΈΠΊΠ° особина ΠΌΠ΅Ρ’Ρƒ ΠΈΠ½Π±Ρ€Π΅Π΄ линијама, Π³ΠΎΠ΄ΠΈΠ½Π°ΠΌΠ° ΠΈ Π»ΠΎΠΊΠ°Π»ΠΈΡ‚Π΅Ρ‚ΠΈΠΌΠ°. Π Π΅Π·ΡƒΠ»Ρ‚Π°Ρ‚ΠΈ кластСр Π°Π½Π°Π»ΠΈΠ·Π΅ фСнотипских ΠΏΠΎΠ΄Π°Ρ‚Π°ΠΊΠ° Π±ΠΈΠ»ΠΈ су Ρƒ мањој ΠΌΠ΅Ρ€ΠΈ сагласни са ΠΏΠ΅Π΄ΠΈΠ³Ρ€Π΅ΠΈΠΌΠ° линија, Π½Π΅Π³ΠΎ Ρ€Π΅Π·ΡƒΠ»Π°Ρ‚ΠΈ Π°Π½Π°Π»ΠΈΠ·Π΅ ΠΌΠΎΠ»Π΅ΠΊΡƒΠ»Π°Ρ€Π½ΠΈΡ… ΠΏΠΎΠ΄Π°Ρ‚Π°ΠΊΠ°. Анализа Π³Π»Π°Π²Π½ΠΈΡ… ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚ΠΈ издвојила јС линијС ΠΏΡ€Π΅ΠΌΠ° Ρ…Π΅Ρ‚Π΅Ρ€ΠΎΡ‚ΠΈΡ‡Π½ΠΈΠΌ Π³Ρ€ΡƒΠΏΠ°ΠΌΠ° ΠΈ истакла ΡšΠΈΡ…ΠΎΠ²Π΅ ΠΎΠΏΡˆΡ‚Π΅ карактСристикС. Π’Π΅Π»ΠΈΠΊΠΈ Π±Ρ€ΠΎΡ˜ ΡƒΡ‚Π²Ρ€Ρ’Π΅Π½ΠΈΡ… Π°Π»Π΅Π»Π° ΠΌΠ°Ρ€ΠΊΠ΅Ρ€Π° са стабилним ΠΏΠΎΠ·ΠΈΡ‚ΠΈΠ²Π½ΠΈΠΌ Π΅Ρ„Π΅ΠΊΡ‚ΠΈΠΌΠ° Π½Π° принос ΡƒΠΊΠ°Π·ΡƒΡ˜Π΅ Π½Π° ΠΌΠΎΠ³ΡƒΡ›ΠΈ Π·Π½Π°Ρ‡Π°Ρ˜ ΠΎΠ²ΠΈΡ… ΠΌΠ°Ρ€ΠΊΠ΅Ρ€Π° Ρƒ ΠΎΠΏΠ»Π΅ΠΌΠ΅ΡšΠΈΠ²Π°ΡšΡƒ ΠΊΡƒΠΊΡƒΡ€ΡƒΠ·Π°.Maize has great phenotypic and genotypic variability. In this study a diverse set of maize inbred lines used in breeding programmes as a potential source of alleles with positive effects on important agronomic traits, was characterised at phenotypic and molecular level. Furthermore, alleles specific to heterotic groups were identified and potentially significant associations between markers and important agronomic traits which could be employed in marker assisted selection were determined. Ninety eight inbred lines from four heterotic groups were analysed. Thirty six microsatellite markers were used to obtain parameters for genetic diversity and three claster analyses were employed based on molecular data. The field trials were set in randomised block design with three replications during two years to acquire phenotypic data. Descriptive statistics, analysis of variance, linear correlations and principal component analysis were performed for 13 traits. The associations between markers and traits were identified by the application of general and mixed linear model. The average number of alleles was 8,3, the average value of polymorphism information content was 0,64, whereas the percentage of rare alleles was 8,5%. Greater genetic diversity of BSSS inbred lines compared to the lines from Lancaster group were observed. More than one third of alleles were specific to only one of these two groups. The results of cluster analyses were to a large extent in agreement with each other. Analysis of variance indicated statistically significant differences in traits among inbred lines, years and locations. Cluster analysis based on phenotypic data was in less consistent with pedigrees of the inbred lines than the cluster analysis based on molecular data. Principal component analysis grouped inbreds into heterotic groups and indicated their general characteristics. A large number of identified marker alleles with stable positive effects on grain yield suggested the potential importance of these markers in maiz

    Molecular and phenotypic characterisation of NS maize inbred lines.

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    ΠšΡƒΠΊΡƒΡ€ΡƒΠ· јС Π±ΠΈΡ™Π½Π° врста која испољава Π²Π΅Π»ΠΈΠΊΡƒ фСнотипску ΠΈ Π³Π΅Π½Π΅Ρ‚ΠΈΡ‡ΠΊΡƒ Π²Π°Ρ€ΠΈΡ˜Π°Π±ΠΈΠ»Π½ΠΎΡΡ‚. Π£ ΠΎΠ²ΠΎΠΌ Ρ€Π°Π΄Ρƒ ΠΈΠ·Π²Ρ€ΡˆΠ΅Π½Π° јС фСнотипска ΠΈ ΠΌΠΎΠ»Π΅ΠΊΡƒΠ»Π°Ρ€Π½Π° ΠΊΠ°Ρ€Π°ΠΊΡ‚Π΅Ρ€ΠΈΠ·Π°Ρ†ΠΈΡ˜Π° Π΄ΠΈΠ²Π΅Ρ€Π³Π΅Π½Ρ‚Π½ΠΈΡ… ΠΈΠ½Π±Ρ€Π΅Π΄ линија ΠΊΡƒΠΊΡƒΡ€ΡƒΠ·Π° којС сС користС Ρƒ ΠΎΠΏΠ»Π΅ΠΌΠ΅ΡšΠΈΠ²Π°Ρ‡ΠΊΠΈΠΌ ΠΏΡ€ΠΎΠ³Ρ€Π°ΠΌΠΈΠΌΠ° ΠΈ којС ΠΏΡ€Π΅Π΄ΡΡ‚Π°Π²Ρ™Π°Ρ˜Ρƒ ΠΌΠΎΠ³ΡƒΡ›ΠΈ ΠΈΠ·Π²ΠΎΡ€ Π°Π»Π΅Π»Π° са ΠΏΠΎΠ·ΠΈΡ‚ΠΈΠ²Π½ΠΈΠΌ ΡƒΡ‚ΠΈΡ†Π°Ρ˜Π΅ΠΌ Π½Π° агромонски Π²Π°ΠΆΠ½Π΅ особинС. Π’Π°ΠΊΠΎΡ’Π΅, ΠΈΠ΄Π΅Π½Ρ‚ΠΈΡ„ΠΈΠΊΠΎΠ²Π°Π½ΠΈ су Π°Π»Π΅Π»ΠΈ карактСристични Π·Π° ΠΎΠ΄Ρ€Π΅Ρ’Π΅Π½Π΅ Ρ…Π΅Ρ‚Π΅Ρ€ΠΎΡ‚ΠΈΡ‡Π½Π΅ Π³Ρ€ΡƒΠΏΠ΅ ΠΈ ΡƒΡ‚Π²Ρ€Ρ’Π΅Π½Π΅ су ΠΏΠΎΡ‚Π΅Π½Ρ†ΠΈΡ˜Π°Π»Π½ΠΎ Π·Π½Π°Ρ‡Π°Ρ˜Π½Π΅ Π²Π΅Π·Π΅ ΠΈΠ·ΠΌΠ΅Ρ’Ρƒ ΠΌΠ°Ρ€ΠΊΠ΅Ρ€Π° ΠΈ агрономски Π²Π°ΠΆΠ½ΠΈΡ… ΡΠ²ΠΎΡ˜ΡΡ‚Π°Π²Π° ΠΏΡ€ΠΈΠΌΠ΅Π½ΠΎΠΌ Π°ΡΠΎΡ†ΠΈΡ˜Π°Ρ‚ΠΈΠ²Π½Π΅ Π°Π½Π°Π»ΠΈΠ·Π΅, са Ρ†ΠΈΡ™Π΅ΠΌ Π΄Π°Ρ™Π΅ ΠΏΡ€ΠΈΠΌΠ΅Π½Π΅ Ρƒ ΠΌΠ°Ρ€ΠΊΠ΅Ρ€ Π°ΡΠΈΡΡ‚ΠΈΡ€Π°Π½ΠΎΡ˜ ΡΠ΅Π»Π΅ΠΊΡ†ΠΈΡ˜ΠΈ. Анализирани ΠΌΠ°Ρ‚Π΅Ρ€ΠΈΡ˜Π°Π» ΡΠ°ΡΡ‚ΠΎΡ˜Π°ΠΎ сС ΠΎΠ΄ 96 ΠΈΠ½Π±Ρ€Π΅Π΄ линија ΠΈΠ· Ρ‡Π΅Ρ‚ΠΈΡ€ΠΈ Ρ…Π΅Ρ‚Π΅Ρ€ΠΎΡ‚ΠΈΡ‡Π½Π΅ Π³Ρ€ΡƒΠΏΠ΅. ВридСсСт ΡˆΠ΅ΡΡ‚ микросатСлитских ΠΌΠ°Ρ€ΠΊΠ΅Ρ€Π° ΠΊΠΎΡ€ΠΈΡˆΡ›Π΅Π½ΠΎ јС Π·Π° ΠΈΠ·Ρ€Π°Ρ‡ΡƒΠ½Π°Π²Π°ΡšΠ΅ ΠΏΠ°Ρ€Π°ΠΌΠ΅Ρ‚Π°Ρ€Π° Π΄ΠΈΠ²Π΅Ρ€Π·ΠΈΡ‚Π΅Ρ‚Π° гСнских локуса. ΠŸΡ€ΠΈΠΌΠ΅ΡšΠ΅Π½Π΅ су Ρ‚Ρ€ΠΈ кластСр Π°Π½Π°Π»ΠΈΠ·Π΅ Π½Π° ΠΏΠΎΠ΄Π°Ρ†ΠΈΠΌΠ° добијСним ΠΌΠΎΠ»Π΅ΠΊΡƒΠ»Π°Ρ€Π½ΠΎΠΌ Π°Π½Π°Π»ΠΈΠ·ΠΎΠΌ. ΠŸΠΎΡ™ΡΠΊΠΈ ΠΎΠ³Π»Π΅Π΄ΠΈ су постављСни Ρƒ Ρ‚ΠΎΠΊΡƒ Π΄Π²Π΅ Π³ΠΎΠ΄ΠΈΠ½Π΅, ΠΏΠΎ ΠΏΠΎΡ‚ΠΏΡƒΠ½ΠΎ ΡΠ»ΡƒΡ‡Π°Ρ˜Π½ΠΎΠΌ Π±Π»ΠΎΠΊ систСму са Ρ‚Ρ€ΠΈ ΠΏΠΎΠ½Π°Π²Ρ™Π°ΡšΠ°. ДСскриптивна статистика, Π°Π½Π°Π»ΠΈΠ·Π° Π²Π°Ρ€ΠΈΡ˜Π°Π½ΡΠ΅, Π»ΠΈΠ½Π΅Π°Ρ€Π½Π΅ ΠΊΠΎΡ€Π΅Π»Π°Ρ†ΠΈΡ˜Π΅ ΠΈ Π°Π½Π°Π»ΠΈΠ·Π° Π³Π»Π°Π²Π½ΠΈΡ… ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚ΠΈ ΠΈΠ·Ρ€Π°Ρ‡ΡƒΠ½Π°Ρ‚Π΅ су Π·Π° 13 особина. Π’Π΅Π·Π΅ ΠΈΠ·ΠΌΠ΅Ρ’Ρƒ ΠΌΠ°Ρ€ΠΊΠ΅Ρ€Π° ΠΈ особина ΡƒΡ‚Π²Ρ€Ρ’Π΅Π½Π΅ су ΠΏΡ€ΠΈΠΌΠ΅Π½ΠΎΠΌ ΠΎΠΏΡˆΡ‚Π΅Π³ ΠΈ ΠΌΠ΅ΡˆΠΎΠ²ΠΈΡ‚ΠΎΠ³ Π»ΠΈΠ½Π΅Π°Ρ€Π½ΠΎΠ³ ΠΌΠΎΠ΄Π΅Π»Π°. ΠŸΡ€ΠΎΡΠ΅Ρ‡Π°Π½ Π±Ρ€ΠΎΡ˜ Π°Π»Π΅Π»Π° износио јС 8,3, просСчна полиморфност ΠΏΠΎΡ˜Π΅Π΄ΠΈΠ½Π°Ρ‡Π½ΠΈΡ… локуса износила јС 0,64, Π° ΠΏΡ€ΠΎΡ†Π΅Π½Π°Ρ‚ Ρ€Π΅Ρ‚ΠΊΠΈΡ… Π°Π»Π΅Π»Π° 8,5% ΠΏΠΎ локусу. Π£ΠΎΡ‡Π΅Π½ јС Π²Π΅Ρ›ΠΈ Π³Π΅Π½Π΅Ρ‚ΠΈΡ‡ΠΊΠΈ Π΄ΠΈΠ²Π΅Ρ€Π·ΠΈΡ‚Π΅Ρ‚ ΠΊΠΎΠ΄ BSSS Π½Π΅Π³ΠΎ ΠΊΠΎΠ΄ Lancaster линија. Π’ΠΈΡˆΠ΅ ΠΎΠ΄ Ρ‚Ρ€Π΅Ρ›ΠΈΠ½Π΅ Π°Π»Π΅Π»Π° Π±ΠΈΠ»ΠΎ јС карактСристично Π·Π° само Ρ˜Π΅Π΄Π½Ρƒ Π³Ρ€ΡƒΠΏΡƒ. Π Π΅Π·ΡƒΠ»Ρ‚Π°Ρ‚ΠΈ кластСр Π°Π½Π°Π»ΠΈΠ·Π° су Ρƒ вСликој ΠΌΠ΅Ρ€ΠΈ Π±ΠΈΠ»ΠΈ Ρƒ ΠΌΠ΅Ρ’ΡƒΡΠΎΠ±Π½ΠΎΡ˜ сагласности. Анализа Π²Π°Ρ€ΠΈΡ˜Π°Π½ΡΠ΅ ΡƒΠΊΠ°Π·Π°Π»Π° јС Π½Π° ΠΏΠΎΡΡ‚ΠΎΡ˜Π°ΡšΠ΅ статистички Π·Π½Π°Ρ‡Π°Ρ˜Π½ΠΈΡ… Ρ€Π°Π·Π»ΠΈΠΊΠ° особина ΠΌΠ΅Ρ’Ρƒ ΠΈΠ½Π±Ρ€Π΅Π΄ линијама, Π³ΠΎΠ΄ΠΈΠ½Π°ΠΌΠ° ΠΈ Π»ΠΎΠΊΠ°Π»ΠΈΡ‚Π΅Ρ‚ΠΈΠΌΠ°. Π Π΅Π·ΡƒΠ»Ρ‚Π°Ρ‚ΠΈ кластСр Π°Π½Π°Π»ΠΈΠ·Π΅ фСнотипских ΠΏΠΎΠ΄Π°Ρ‚Π°ΠΊΠ° Π±ΠΈΠ»ΠΈ су Ρƒ мањој ΠΌΠ΅Ρ€ΠΈ сагласни са ΠΏΠ΅Π΄ΠΈΠ³Ρ€Π΅ΠΈΠΌΠ° линија, Π½Π΅Π³ΠΎ Ρ€Π΅Π·ΡƒΠ»Π°Ρ‚ΠΈ Π°Π½Π°Π»ΠΈΠ·Π΅ ΠΌΠΎΠ»Π΅ΠΊΡƒΠ»Π°Ρ€Π½ΠΈΡ… ΠΏΠΎΠ΄Π°Ρ‚Π°ΠΊΠ°. Анализа Π³Π»Π°Π²Π½ΠΈΡ… ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚ΠΈ издвојила јС линијС ΠΏΡ€Π΅ΠΌΠ° Ρ…Π΅Ρ‚Π΅Ρ€ΠΎΡ‚ΠΈΡ‡Π½ΠΈΠΌ Π³Ρ€ΡƒΠΏΠ°ΠΌΠ° ΠΈ истакла ΡšΠΈΡ…ΠΎΠ²Π΅ ΠΎΠΏΡˆΡ‚Π΅ карактСристикС. Π’Π΅Π»ΠΈΠΊΠΈ Π±Ρ€ΠΎΡ˜ ΡƒΡ‚Π²Ρ€Ρ’Π΅Π½ΠΈΡ… Π°Π»Π΅Π»Π° ΠΌΠ°Ρ€ΠΊΠ΅Ρ€Π° са стабилним ΠΏΠΎΠ·ΠΈΡ‚ΠΈΠ²Π½ΠΈΠΌ Π΅Ρ„Π΅ΠΊΡ‚ΠΈΠΌΠ° Π½Π° принос ΡƒΠΊΠ°Π·ΡƒΡ˜Π΅ Π½Π° ΠΌΠΎΠ³ΡƒΡ›ΠΈ Π·Π½Π°Ρ‡Π°Ρ˜ ΠΎΠ²ΠΈΡ… ΠΌΠ°Ρ€ΠΊΠ΅Ρ€Π° Ρƒ ΠΎΠΏΠ»Π΅ΠΌΠ΅ΡšΠΈΠ²Π°ΡšΡƒ ΠΊΡƒΠΊΡƒΡ€ΡƒΠ·Π°.Maize has great phenotypic and genotypic variability. In this study a diverse set of maize inbred lines used in breeding programmes as a potential source of alleles with positive effects on important agronomic traits, was characterised at phenotypic and molecular level. Furthermore, alleles specific to heterotic groups were identified and potentially significant associations between markers and important agronomic traits which could be employed in marker assisted selection were determined. Ninety eight inbred lines from four heterotic groups were analysed. Thirty six microsatellite markers were used to obtain parameters for genetic diversity and three claster analyses were employed based on molecular data. The field trials were set in randomised block design with three replications during two years to acquire phenotypic data. Descriptive statistics, analysis of variance, linear correlations and principal component analysis were performed for 13 traits. The associations between markers and traits were identified by the application of general and mixed linear model. The average number of alleles was 8,3, the average value of polymorphism information content was 0,64, whereas the percentage of rare alleles was 8,5%. Greater genetic diversity of BSSS inbred lines compared to the lines from Lancaster group were observed. More than one third of alleles were specific to only one of these two groups. The results of cluster analyses were to a large extent in agreement with each other. Analysis of variance indicated statistically significant differences in traits among inbred lines, years and locations. Cluster analysis based on phenotypic data was in less consistent with pedigrees of the inbred lines than the cluster analysis based on molecular data. Principal component analysis grouped inbreds into heterotic groups and indicated their general characteristics. A large number of identified marker alleles with stable positive effects on grain yield suggested the potential importance of these markers in maiz

    Molecular and phenotypic characterisation of NS maize inbred lines.

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    ΠšΡƒΠΊΡƒΡ€ΡƒΠ· јС Π±ΠΈΡ™Π½Π° врста која испољава Π²Π΅Π»ΠΈΠΊΡƒ фСнотипску ΠΈ Π³Π΅Π½Π΅Ρ‚ΠΈΡ‡ΠΊΡƒ Π²Π°Ρ€ΠΈΡ˜Π°Π±ΠΈΠ»Π½ΠΎΡΡ‚. Π£ ΠΎΠ²ΠΎΠΌ Ρ€Π°Π΄Ρƒ ΠΈΠ·Π²Ρ€ΡˆΠ΅Π½Π° јС фСнотипска ΠΈ ΠΌΠΎΠ»Π΅ΠΊΡƒΠ»Π°Ρ€Π½Π° ΠΊΠ°Ρ€Π°ΠΊΡ‚Π΅Ρ€ΠΈΠ·Π°Ρ†ΠΈΡ˜Π° Π΄ΠΈΠ²Π΅Ρ€Π³Π΅Π½Ρ‚Π½ΠΈΡ… ΠΈΠ½Π±Ρ€Π΅Π΄ линија ΠΊΡƒΠΊΡƒΡ€ΡƒΠ·Π° којС сС користС Ρƒ ΠΎΠΏΠ»Π΅ΠΌΠ΅ΡšΠΈΠ²Π°Ρ‡ΠΊΠΈΠΌ ΠΏΡ€ΠΎΠ³Ρ€Π°ΠΌΠΈΠΌΠ° ΠΈ којС ΠΏΡ€Π΅Π΄ΡΡ‚Π°Π²Ρ™Π°Ρ˜Ρƒ ΠΌΠΎΠ³ΡƒΡ›ΠΈ ΠΈΠ·Π²ΠΎΡ€ Π°Π»Π΅Π»Π° са ΠΏΠΎΠ·ΠΈΡ‚ΠΈΠ²Π½ΠΈΠΌ ΡƒΡ‚ΠΈΡ†Π°Ρ˜Π΅ΠΌ Π½Π° агромонски Π²Π°ΠΆΠ½Π΅ особинС. Π’Π°ΠΊΠΎΡ’Π΅, ΠΈΠ΄Π΅Π½Ρ‚ΠΈΡ„ΠΈΠΊΠΎΠ²Π°Π½ΠΈ су Π°Π»Π΅Π»ΠΈ карактСристични Π·Π° ΠΎΠ΄Ρ€Π΅Ρ’Π΅Π½Π΅ Ρ…Π΅Ρ‚Π΅Ρ€ΠΎΡ‚ΠΈΡ‡Π½Π΅ Π³Ρ€ΡƒΠΏΠ΅ ΠΈ ΡƒΡ‚Π²Ρ€Ρ’Π΅Π½Π΅ су ΠΏΠΎΡ‚Π΅Π½Ρ†ΠΈΡ˜Π°Π»Π½ΠΎ Π·Π½Π°Ρ‡Π°Ρ˜Π½Π΅ Π²Π΅Π·Π΅ ΠΈΠ·ΠΌΠ΅Ρ’Ρƒ ΠΌΠ°Ρ€ΠΊΠ΅Ρ€Π° ΠΈ агрономски Π²Π°ΠΆΠ½ΠΈΡ… ΡΠ²ΠΎΡ˜ΡΡ‚Π°Π²Π° ΠΏΡ€ΠΈΠΌΠ΅Π½ΠΎΠΌ Π°ΡΠΎΡ†ΠΈΡ˜Π°Ρ‚ΠΈΠ²Π½Π΅ Π°Π½Π°Π»ΠΈΠ·Π΅, са Ρ†ΠΈΡ™Π΅ΠΌ Π΄Π°Ρ™Π΅ ΠΏΡ€ΠΈΠΌΠ΅Π½Π΅ Ρƒ ΠΌΠ°Ρ€ΠΊΠ΅Ρ€ Π°ΡΠΈΡΡ‚ΠΈΡ€Π°Π½ΠΎΡ˜ ΡΠ΅Π»Π΅ΠΊΡ†ΠΈΡ˜ΠΈ. Анализирани ΠΌΠ°Ρ‚Π΅Ρ€ΠΈΡ˜Π°Π» ΡΠ°ΡΡ‚ΠΎΡ˜Π°ΠΎ сС ΠΎΠ΄ 96 ΠΈΠ½Π±Ρ€Π΅Π΄ линија ΠΈΠ· Ρ‡Π΅Ρ‚ΠΈΡ€ΠΈ Ρ…Π΅Ρ‚Π΅Ρ€ΠΎΡ‚ΠΈΡ‡Π½Π΅ Π³Ρ€ΡƒΠΏΠ΅. ВридСсСт ΡˆΠ΅ΡΡ‚ микросатСлитских ΠΌΠ°Ρ€ΠΊΠ΅Ρ€Π° ΠΊΠΎΡ€ΠΈΡˆΡ›Π΅Π½ΠΎ јС Π·Π° ΠΈΠ·Ρ€Π°Ρ‡ΡƒΠ½Π°Π²Π°ΡšΠ΅ ΠΏΠ°Ρ€Π°ΠΌΠ΅Ρ‚Π°Ρ€Π° Π΄ΠΈΠ²Π΅Ρ€Π·ΠΈΡ‚Π΅Ρ‚Π° гСнских локуса. ΠŸΡ€ΠΈΠΌΠ΅ΡšΠ΅Π½Π΅ су Ρ‚Ρ€ΠΈ кластСр Π°Π½Π°Π»ΠΈΠ·Π΅ Π½Π° ΠΏΠΎΠ΄Π°Ρ†ΠΈΠΌΠ° добијСним ΠΌΠΎΠ»Π΅ΠΊΡƒΠ»Π°Ρ€Π½ΠΎΠΌ Π°Π½Π°Π»ΠΈΠ·ΠΎΠΌ. ΠŸΠΎΡ™ΡΠΊΠΈ ΠΎΠ³Π»Π΅Π΄ΠΈ су постављСни Ρƒ Ρ‚ΠΎΠΊΡƒ Π΄Π²Π΅ Π³ΠΎΠ΄ΠΈΠ½Π΅, ΠΏΠΎ ΠΏΠΎΡ‚ΠΏΡƒΠ½ΠΎ ΡΠ»ΡƒΡ‡Π°Ρ˜Π½ΠΎΠΌ Π±Π»ΠΎΠΊ систСму са Ρ‚Ρ€ΠΈ ΠΏΠΎΠ½Π°Π²Ρ™Π°ΡšΠ°. ДСскриптивна статистика, Π°Π½Π°Π»ΠΈΠ·Π° Π²Π°Ρ€ΠΈΡ˜Π°Π½ΡΠ΅, Π»ΠΈΠ½Π΅Π°Ρ€Π½Π΅ ΠΊΠΎΡ€Π΅Π»Π°Ρ†ΠΈΡ˜Π΅ ΠΈ Π°Π½Π°Π»ΠΈΠ·Π° Π³Π»Π°Π²Π½ΠΈΡ… ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚ΠΈ ΠΈΠ·Ρ€Π°Ρ‡ΡƒΠ½Π°Ρ‚Π΅ су Π·Π° 13 особина. Π’Π΅Π·Π΅ ΠΈΠ·ΠΌΠ΅Ρ’Ρƒ ΠΌΠ°Ρ€ΠΊΠ΅Ρ€Π° ΠΈ особина ΡƒΡ‚Π²Ρ€Ρ’Π΅Π½Π΅ су ΠΏΡ€ΠΈΠΌΠ΅Π½ΠΎΠΌ ΠΎΠΏΡˆΡ‚Π΅Π³ ΠΈ ΠΌΠ΅ΡˆΠΎΠ²ΠΈΡ‚ΠΎΠ³ Π»ΠΈΠ½Π΅Π°Ρ€Π½ΠΎΠ³ ΠΌΠΎΠ΄Π΅Π»Π°. ΠŸΡ€ΠΎΡΠ΅Ρ‡Π°Π½ Π±Ρ€ΠΎΡ˜ Π°Π»Π΅Π»Π° износио јС 8,3, просСчна полиморфност ΠΏΠΎΡ˜Π΅Π΄ΠΈΠ½Π°Ρ‡Π½ΠΈΡ… локуса износила јС 0,64, Π° ΠΏΡ€ΠΎΡ†Π΅Π½Π°Ρ‚ Ρ€Π΅Ρ‚ΠΊΠΈΡ… Π°Π»Π΅Π»Π° 8,5% ΠΏΠΎ локусу. Π£ΠΎΡ‡Π΅Π½ јС Π²Π΅Ρ›ΠΈ Π³Π΅Π½Π΅Ρ‚ΠΈΡ‡ΠΊΠΈ Π΄ΠΈΠ²Π΅Ρ€Π·ΠΈΡ‚Π΅Ρ‚ ΠΊΠΎΠ΄ BSSS Π½Π΅Π³ΠΎ ΠΊΠΎΠ΄ Lancaster линија. Π’ΠΈΡˆΠ΅ ΠΎΠ΄ Ρ‚Ρ€Π΅Ρ›ΠΈΠ½Π΅ Π°Π»Π΅Π»Π° Π±ΠΈΠ»ΠΎ јС карактСристично Π·Π° само Ρ˜Π΅Π΄Π½Ρƒ Π³Ρ€ΡƒΠΏΡƒ. Π Π΅Π·ΡƒΠ»Ρ‚Π°Ρ‚ΠΈ кластСр Π°Π½Π°Π»ΠΈΠ·Π° су Ρƒ вСликој ΠΌΠ΅Ρ€ΠΈ Π±ΠΈΠ»ΠΈ Ρƒ ΠΌΠ΅Ρ’ΡƒΡΠΎΠ±Π½ΠΎΡ˜ сагласности. Анализа Π²Π°Ρ€ΠΈΡ˜Π°Π½ΡΠ΅ ΡƒΠΊΠ°Π·Π°Π»Π° јС Π½Π° ΠΏΠΎΡΡ‚ΠΎΡ˜Π°ΡšΠ΅ статистички Π·Π½Π°Ρ‡Π°Ρ˜Π½ΠΈΡ… Ρ€Π°Π·Π»ΠΈΠΊΠ° особина ΠΌΠ΅Ρ’Ρƒ ΠΈΠ½Π±Ρ€Π΅Π΄ линијама, Π³ΠΎΠ΄ΠΈΠ½Π°ΠΌΠ° ΠΈ Π»ΠΎΠΊΠ°Π»ΠΈΡ‚Π΅Ρ‚ΠΈΠΌΠ°. Π Π΅Π·ΡƒΠ»Ρ‚Π°Ρ‚ΠΈ кластСр Π°Π½Π°Π»ΠΈΠ·Π΅ фСнотипских ΠΏΠΎΠ΄Π°Ρ‚Π°ΠΊΠ° Π±ΠΈΠ»ΠΈ су Ρƒ мањој ΠΌΠ΅Ρ€ΠΈ сагласни са ΠΏΠ΅Π΄ΠΈΠ³Ρ€Π΅ΠΈΠΌΠ° линија, Π½Π΅Π³ΠΎ Ρ€Π΅Π·ΡƒΠ»Π°Ρ‚ΠΈ Π°Π½Π°Π»ΠΈΠ·Π΅ ΠΌΠΎΠ»Π΅ΠΊΡƒΠ»Π°Ρ€Π½ΠΈΡ… ΠΏΠΎΠ΄Π°Ρ‚Π°ΠΊΠ°. Анализа Π³Π»Π°Π²Π½ΠΈΡ… ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚ΠΈ издвојила јС линијС ΠΏΡ€Π΅ΠΌΠ° Ρ…Π΅Ρ‚Π΅Ρ€ΠΎΡ‚ΠΈΡ‡Π½ΠΈΠΌ Π³Ρ€ΡƒΠΏΠ°ΠΌΠ° ΠΈ истакла ΡšΠΈΡ…ΠΎΠ²Π΅ ΠΎΠΏΡˆΡ‚Π΅ карактСристикС. Π’Π΅Π»ΠΈΠΊΠΈ Π±Ρ€ΠΎΡ˜ ΡƒΡ‚Π²Ρ€Ρ’Π΅Π½ΠΈΡ… Π°Π»Π΅Π»Π° ΠΌΠ°Ρ€ΠΊΠ΅Ρ€Π° са стабилним ΠΏΠΎΠ·ΠΈΡ‚ΠΈΠ²Π½ΠΈΠΌ Π΅Ρ„Π΅ΠΊΡ‚ΠΈΠΌΠ° Π½Π° принос ΡƒΠΊΠ°Π·ΡƒΡ˜Π΅ Π½Π° ΠΌΠΎΠ³ΡƒΡ›ΠΈ Π·Π½Π°Ρ‡Π°Ρ˜ ΠΎΠ²ΠΈΡ… ΠΌΠ°Ρ€ΠΊΠ΅Ρ€Π° Ρƒ ΠΎΠΏΠ»Π΅ΠΌΠ΅ΡšΠΈΠ²Π°ΡšΡƒ ΠΊΡƒΠΊΡƒΡ€ΡƒΠ·Π°.Maize has great phenotypic and genotypic variability. In this study a diverse set of maize inbred lines used in breeding programmes as a potential source of alleles with positive effects on important agronomic traits, was characterised at phenotypic and molecular level. Furthermore, alleles specific to heterotic groups were identified and potentially significant associations between markers and important agronomic traits which could be employed in marker assisted selection were determined. Ninety eight inbred lines from four heterotic groups were analysed. Thirty six microsatellite markers were used to obtain parameters for genetic diversity and three claster analyses were employed based on molecular data. The field trials were set in randomised block design with three replications during two years to acquire phenotypic data. Descriptive statistics, analysis of variance, linear correlations and principal component analysis were performed for 13 traits. The associations between markers and traits were identified by the application of general and mixed linear model. The average number of alleles was 8,3, the average value of polymorphism information content was 0,64, whereas the percentage of rare alleles was 8,5%. Greater genetic diversity of BSSS inbred lines compared to the lines from Lancaster group were observed. More than one third of alleles were specific to only one of these two groups. The results of cluster analyses were to a large extent in agreement with each other. Analysis of variance indicated statistically significant differences in traits among inbred lines, years and locations. Cluster analysis based on phenotypic data was in less consistent with pedigrees of the inbred lines than the cluster analysis based on molecular data. Principal component analysis grouped inbreds into heterotic groups and indicated their general characteristics. A large number of identified marker alleles with stable positive effects on grain yield suggested the potential importance of these markers in maiz

    Polymorphism of microsatellite loci in bread wheat (Triticum aestivum L.) and related species

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    This study analysed polymorphism of 15 microsatellite loci in the colΒ­lection comprising of 40 genotypes of bread wheat (Triticum aestivum L.), 32 genotypes belonging to other species within Triticum genus and 3 genotypes from Aegilops genus. The results showed significant differences in the variability of the tested loci in bread wheat and related species. In the collection of bread wheat genotypes, 119 alleles were detected with the average number of 7.9 alleles per locus. In wild and cultivated related species 157 alleles were identified, with the average of 10.5 alleles per locus. All analysed parameters of microΒ­satellite loci variability (PIC value, gene diversity, heterozygosity, etc.) indicated higher level of polymorphism in wild relatives than in the cultivated bread wheat. Analyses of individual genomes indicated that in the bread wheat genetic diversity of the B and D genomes was significantly reduced in relation to the A genome, while the differences in polymorphism between genomes in the wild relatives were significantly lower. The results showed that wild related species can be used as sources for new variability in wheat breeding. [Project of the Serbian Ministry of Education, Science and Technological Development
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