4 research outputs found
Molecular and phenotypic characterisation of NS maize inbred lines.
ΠΡΠΊΡΡΡΠ· ΡΠ΅ Π±ΠΈΡΠ½Π° Π²ΡΡΡΠ° ΠΊΠΎΡΠ° ΠΈΡΠΏΠΎΡΠ°Π²Π° Π²Π΅Π»ΠΈΠΊΡ ΡΠ΅Π½ΠΎΡΠΈΠΏΡΠΊΡ ΠΈ Π³Π΅Π½Π΅ΡΠΈΡΠΊΡ
Π²Π°ΡΠΈΡΠ°Π±ΠΈΠ»Π½ΠΎΡΡ. Π£ ΠΎΠ²ΠΎΠΌ ΡΠ°Π΄Ρ ΠΈΠ·Π²ΡΡΠ΅Π½Π° ΡΠ΅ ΡΠ΅Π½ΠΎΡΠΈΠΏΡΠΊΠ° ΠΈ ΠΌΠΎΠ»Π΅ΠΊΡΠ»Π°ΡΠ½Π° ΠΊΠ°ΡΠ°ΠΊΡΠ΅ΡΠΈΠ·Π°ΡΠΈΡΠ°
Π΄ΠΈΠ²Π΅ΡΠ³Π΅Π½ΡΠ½ΠΈΡ
ΠΈΠ½Π±ΡΠ΅Π΄ Π»ΠΈΠ½ΠΈΡΠ° ΠΊΡΠΊΡΡΡΠ·Π° ΠΊΠΎΡΠ΅ ΡΠ΅ ΠΊΠΎΡΠΈΡΡΠ΅ Ρ ΠΎΠΏΠ»Π΅ΠΌΠ΅ΡΠΈΠ²Π°ΡΠΊΠΈΠΌ ΠΏΡΠΎΠ³ΡΠ°ΠΌΠΈΠΌΠ°
ΠΈ ΠΊΠΎΡΠ΅ ΠΏΡΠ΅Π΄ΡΡΠ°Π²ΡΠ°ΡΡ ΠΌΠΎΠ³ΡΡΠΈ ΠΈΠ·Π²ΠΎΡ Π°Π»Π΅Π»Π° ΡΠ° ΠΏΠΎΠ·ΠΈΡΠΈΠ²Π½ΠΈΠΌ ΡΡΠΈΡΠ°ΡΠ΅ΠΌ Π½Π° Π°Π³ΡΠΎΠΌΠΎΠ½ΡΠΊΠΈ Π²Π°ΠΆΠ½Π΅
ΠΎΡΠΎΠ±ΠΈΠ½Π΅. Π’Π°ΠΊΠΎΡΠ΅, ΠΈΠ΄Π΅Π½ΡΠΈΡΠΈΠΊΠΎΠ²Π°Π½ΠΈ ΡΡ Π°Π»Π΅Π»ΠΈ ΠΊΠ°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΡΠ½ΠΈ Π·Π° ΠΎΠ΄ΡΠ΅ΡΠ΅Π½Π΅
Ρ
Π΅ΡΠ΅ΡΠΎΡΠΈΡΠ½Π΅ Π³ΡΡΠΏΠ΅ ΠΈ ΡΡΠ²ΡΡΠ΅Π½Π΅ ΡΡ ΠΏΠΎΡΠ΅Π½ΡΠΈΡΠ°Π»Π½ΠΎ Π·Π½Π°ΡΠ°ΡΠ½Π΅ Π²Π΅Π·Π΅ ΠΈΠ·ΠΌΠ΅ΡΡ ΠΌΠ°ΡΠΊΠ΅ΡΠ° ΠΈ
Π°Π³ΡΠΎΠ½ΠΎΠΌΡΠΊΠΈ Π²Π°ΠΆΠ½ΠΈΡ
ΡΠ²ΠΎΡΡΡΠ°Π²Π° ΠΏΡΠΈΠΌΠ΅Π½ΠΎΠΌ Π°ΡΠΎΡΠΈΡΠ°ΡΠΈΠ²Π½Π΅ Π°Π½Π°Π»ΠΈΠ·Π΅, ΡΠ° ΡΠΈΡΠ΅ΠΌ Π΄Π°ΡΠ΅
ΠΏΡΠΈΠΌΠ΅Π½Π΅ Ρ ΠΌΠ°ΡΠΊΠ΅Ρ Π°ΡΠΈΡΡΠΈΡΠ°Π½ΠΎΡ ΡΠ΅Π»Π΅ΠΊΡΠΈΡΠΈ. ΠΠ½Π°Π»ΠΈΠ·ΠΈΡΠ°Π½ΠΈ ΠΌΠ°ΡΠ΅ΡΠΈΡΠ°Π» ΡΠ°ΡΡΠΎΡΠ°ΠΎ ΡΠ΅ ΠΎΠ΄ 96
ΠΈΠ½Π±ΡΠ΅Π΄ Π»ΠΈΠ½ΠΈΡΠ° ΠΈΠ· ΡΠ΅ΡΠΈΡΠΈ Ρ
Π΅ΡΠ΅ΡΠΎΡΠΈΡΠ½Π΅ Π³ΡΡΠΏΠ΅. Π’ΡΠΈΠ΄Π΅ΡΠ΅Ρ ΡΠ΅ΡΡ ΠΌΠΈΠΊΡΠΎΡΠ°ΡΠ΅Π»ΠΈΡΡΠΊΠΈΡ
ΠΌΠ°ΡΠΊΠ΅ΡΠ° ΠΊΠΎΡΠΈΡΡΠ΅Π½ΠΎ ΡΠ΅ Π·Π° ΠΈΠ·ΡΠ°ΡΡΠ½Π°Π²Π°ΡΠ΅ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΠ°ΡΠ° Π΄ΠΈΠ²Π΅ΡΠ·ΠΈΡΠ΅ΡΠ° Π³Π΅Π½ΡΠΊΠΈΡ
Π»ΠΎΠΊΡΡΠ°.
ΠΡΠΈΠΌΠ΅ΡΠ΅Π½Π΅ ΡΡ ΡΡΠΈ ΠΊΠ»Π°ΡΡΠ΅Ρ Π°Π½Π°Π»ΠΈΠ·Π΅ Π½Π° ΠΏΠΎΠ΄Π°ΡΠΈΠΌΠ° Π΄ΠΎΠ±ΠΈΡΠ΅Π½ΠΈΠΌ ΠΌΠΎΠ»Π΅ΠΊΡΠ»Π°ΡΠ½ΠΎΠΌ Π°Π½Π°Π»ΠΈΠ·ΠΎΠΌ.
ΠΠΎΡΡΠΊΠΈ ΠΎΠ³Π»Π΅Π΄ΠΈ ΡΡ ΠΏΠΎΡΡΠ°Π²ΡΠ΅Π½ΠΈ Ρ ΡΠΎΠΊΡ Π΄Π²Π΅ Π³ΠΎΠ΄ΠΈΠ½Π΅, ΠΏΠΎ ΠΏΠΎΡΠΏΡΠ½ΠΎ ΡΠ»ΡΡΠ°ΡΠ½ΠΎΠΌ Π±Π»ΠΎΠΊ ΡΠΈΡΡΠ΅ΠΌΡ
ΡΠ° ΡΡΠΈ ΠΏΠΎΠ½Π°Π²ΡΠ°ΡΠ°. ΠΠ΅ΡΠΊΡΠΈΠΏΡΠΈΠ²Π½Π° ΡΡΠ°ΡΠΈΡΡΠΈΠΊΠ°, Π°Π½Π°Π»ΠΈΠ·Π° Π²Π°ΡΠΈΡΠ°Π½ΡΠ΅, Π»ΠΈΠ½Π΅Π°ΡΠ½Π΅ ΠΊΠΎΡΠ΅Π»Π°ΡΠΈΡΠ΅
ΠΈ Π°Π½Π°Π»ΠΈΠ·Π° Π³Π»Π°Π²Π½ΠΈΡ
ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½ΡΠΈ ΠΈΠ·ΡΠ°ΡΡΠ½Π°ΡΠ΅ ΡΡ Π·Π° 13 ΠΎΡΠΎΠ±ΠΈΠ½Π°. ΠΠ΅Π·Π΅ ΠΈΠ·ΠΌΠ΅ΡΡ ΠΌΠ°ΡΠΊΠ΅ΡΠ° ΠΈ
ΠΎΡΠΎΠ±ΠΈΠ½Π° ΡΡΠ²ΡΡΠ΅Π½Π΅ ΡΡ ΠΏΡΠΈΠΌΠ΅Π½ΠΎΠΌ ΠΎΠΏΡΡΠ΅Π³ ΠΈ ΠΌΠ΅ΡΠΎΠ²ΠΈΡΠΎΠ³ Π»ΠΈΠ½Π΅Π°ΡΠ½ΠΎΠ³ ΠΌΠΎΠ΄Π΅Π»Π°. ΠΡΠΎΡΠ΅ΡΠ°Π½
Π±ΡΠΎΡ Π°Π»Π΅Π»Π° ΠΈΠ·Π½ΠΎΡΠΈΠΎ ΡΠ΅ 8,3, ΠΏΡΠΎΡΠ΅ΡΠ½Π° ΠΏΠΎΠ»ΠΈΠΌΠΎΡΡΠ½ΠΎΡΡ ΠΏΠΎΡΠ΅Π΄ΠΈΠ½Π°ΡΠ½ΠΈΡ
Π»ΠΎΠΊΡΡΠ° ΠΈΠ·Π½ΠΎΡΠΈΠ»Π° ΡΠ΅
0,64, Π° ΠΏΡΠΎΡΠ΅Π½Π°Ρ ΡΠ΅ΡΠΊΠΈΡ
Π°Π»Π΅Π»Π° 8,5% ΠΏΠΎ Π»ΠΎΠΊΡΡΡ. Π£ΠΎΡΠ΅Π½ ΡΠ΅ Π²Π΅ΡΠΈ Π³Π΅Π½Π΅ΡΠΈΡΠΊΠΈ Π΄ΠΈΠ²Π΅ΡΠ·ΠΈΡΠ΅Ρ
ΠΊΠΎΠ΄ BSSS Π½Π΅Π³ΠΎ ΠΊΠΎΠ΄ Lancaster Π»ΠΈΠ½ΠΈΡΠ°. ΠΠΈΡΠ΅ ΠΎΠ΄ ΡΡΠ΅ΡΠΈΠ½Π΅ Π°Π»Π΅Π»Π° Π±ΠΈΠ»ΠΎ ΡΠ΅ ΠΊΠ°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΡΠ½ΠΎ
Π·Π° ΡΠ°ΠΌΠΎ ΡΠ΅Π΄Π½Ρ Π³ΡΡΠΏΡ. Π Π΅Π·ΡΠ»ΡΠ°ΡΠΈ ΠΊΠ»Π°ΡΡΠ΅Ρ Π°Π½Π°Π»ΠΈΠ·Π° ΡΡ Ρ Π²Π΅Π»ΠΈΠΊΠΎΡ ΠΌΠ΅ΡΠΈ Π±ΠΈΠ»ΠΈ Ρ ΠΌΠ΅ΡΡΡΠΎΠ±Π½ΠΎΡ
ΡΠ°Π³Π»Π°ΡΠ½ΠΎΡΡΠΈ. ΠΠ½Π°Π»ΠΈΠ·Π° Π²Π°ΡΠΈΡΠ°Π½ΡΠ΅ ΡΠΊΠ°Π·Π°Π»Π° ΡΠ΅ Π½Π° ΠΏΠΎΡΡΠΎΡΠ°ΡΠ΅ ΡΡΠ°ΡΠΈΡΡΠΈΡΠΊΠΈ Π·Π½Π°ΡΠ°ΡΠ½ΠΈΡ
ΡΠ°Π·Π»ΠΈΠΊΠ° ΠΎΡΠΎΠ±ΠΈΠ½Π° ΠΌΠ΅ΡΡ ΠΈΠ½Π±ΡΠ΅Π΄ Π»ΠΈΠ½ΠΈΡΠ°ΠΌΠ°, Π³ΠΎΠ΄ΠΈΠ½Π°ΠΌΠ° ΠΈ Π»ΠΎΠΊΠ°Π»ΠΈΡΠ΅ΡΠΈΠΌΠ°. Π Π΅Π·ΡΠ»ΡΠ°ΡΠΈ ΠΊΠ»Π°ΡΡΠ΅Ρ
Π°Π½Π°Π»ΠΈΠ·Π΅ ΡΠ΅Π½ΠΎΡΠΈΠΏΡΠΊΠΈΡ
ΠΏΠΎΠ΄Π°ΡΠ°ΠΊΠ° Π±ΠΈΠ»ΠΈ ΡΡ Ρ ΠΌΠ°ΡΠΎΡ ΠΌΠ΅ΡΠΈ ΡΠ°Π³Π»Π°ΡΠ½ΠΈ ΡΠ° ΠΏΠ΅Π΄ΠΈΠ³ΡΠ΅ΠΈΠΌΠ° Π»ΠΈΠ½ΠΈΡΠ°,
Π½Π΅Π³ΠΎ ΡΠ΅Π·ΡΠ»Π°ΡΠΈ Π°Π½Π°Π»ΠΈΠ·Π΅ ΠΌΠΎΠ»Π΅ΠΊΡΠ»Π°ΡΠ½ΠΈΡ
ΠΏΠΎΠ΄Π°ΡΠ°ΠΊΠ°. ΠΠ½Π°Π»ΠΈΠ·Π° Π³Π»Π°Π²Π½ΠΈΡ
ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½ΡΠΈ
ΠΈΠ·Π΄Π²ΠΎΡΠΈΠ»Π° ΡΠ΅ Π»ΠΈΠ½ΠΈΡΠ΅ ΠΏΡΠ΅ΠΌΠ° Ρ
Π΅ΡΠ΅ΡΠΎΡΠΈΡΠ½ΠΈΠΌ Π³ΡΡΠΏΠ°ΠΌΠ° ΠΈ ΠΈΡΡΠ°ΠΊΠ»Π° ΡΠΈΡ
ΠΎΠ²Π΅ ΠΎΠΏΡΡΠ΅
ΠΊΠ°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊΠ΅. ΠΠ΅Π»ΠΈΠΊΠΈ Π±ΡΠΎΡ ΡΡΠ²ΡΡΠ΅Π½ΠΈΡ
Π°Π»Π΅Π»Π° ΠΌΠ°ΡΠΊΠ΅ΡΠ° ΡΠ° ΡΡΠ°Π±ΠΈΠ»Π½ΠΈΠΌ ΠΏΠΎΠ·ΠΈΡΠΈΠ²Π½ΠΈΠΌ
Π΅ΡΠ΅ΠΊΡΠΈΠΌΠ° Π½Π° ΠΏΡΠΈΠ½ΠΎΡ ΡΠΊΠ°Π·ΡΡΠ΅ Π½Π° ΠΌΠΎΠ³ΡΡΠΈ Π·Π½Π°ΡΠ°Ρ ΠΎΠ²ΠΈΡ
ΠΌΠ°ΡΠΊΠ΅ΡΠ° Ρ ΠΎΠΏΠ»Π΅ΠΌΠ΅ΡΠΈΠ²Π°ΡΡ ΠΊΡΠΊΡΡΡΠ·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.
ΠΡΠΊΡΡΡΠ· ΡΠ΅ Π±ΠΈΡΠ½Π° Π²ΡΡΡΠ° ΠΊΠΎΡΠ° ΠΈΡΠΏΠΎΡΠ°Π²Π° Π²Π΅Π»ΠΈΠΊΡ ΡΠ΅Π½ΠΎΡΠΈΠΏΡΠΊΡ ΠΈ Π³Π΅Π½Π΅ΡΠΈΡΠΊΡ
Π²Π°ΡΠΈΡΠ°Π±ΠΈΠ»Π½ΠΎΡΡ. Π£ ΠΎΠ²ΠΎΠΌ ΡΠ°Π΄Ρ ΠΈΠ·Π²ΡΡΠ΅Π½Π° ΡΠ΅ ΡΠ΅Π½ΠΎΡΠΈΠΏΡΠΊΠ° ΠΈ ΠΌΠΎΠ»Π΅ΠΊΡΠ»Π°ΡΠ½Π° ΠΊΠ°ΡΠ°ΠΊΡΠ΅ΡΠΈΠ·Π°ΡΠΈΡΠ°
Π΄ΠΈΠ²Π΅ΡΠ³Π΅Π½ΡΠ½ΠΈΡ
ΠΈΠ½Π±ΡΠ΅Π΄ Π»ΠΈΠ½ΠΈΡΠ° ΠΊΡΠΊΡΡΡΠ·Π° ΠΊΠΎΡΠ΅ ΡΠ΅ ΠΊΠΎΡΠΈΡΡΠ΅ Ρ ΠΎΠΏΠ»Π΅ΠΌΠ΅ΡΠΈΠ²Π°ΡΠΊΠΈΠΌ ΠΏΡΠΎΠ³ΡΠ°ΠΌΠΈΠΌΠ°
ΠΈ ΠΊΠΎΡΠ΅ ΠΏΡΠ΅Π΄ΡΡΠ°Π²ΡΠ°ΡΡ ΠΌΠΎΠ³ΡΡΠΈ ΠΈΠ·Π²ΠΎΡ Π°Π»Π΅Π»Π° ΡΠ° ΠΏΠΎΠ·ΠΈΡΠΈΠ²Π½ΠΈΠΌ ΡΡΠΈΡΠ°ΡΠ΅ΠΌ Π½Π° Π°Π³ΡΠΎΠΌΠΎΠ½ΡΠΊΠΈ Π²Π°ΠΆΠ½Π΅
ΠΎΡΠΎΠ±ΠΈΠ½Π΅. Π’Π°ΠΊΠΎΡΠ΅, ΠΈΠ΄Π΅Π½ΡΠΈΡΠΈΠΊΠΎΠ²Π°Π½ΠΈ ΡΡ Π°Π»Π΅Π»ΠΈ ΠΊΠ°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΡΠ½ΠΈ Π·Π° ΠΎΠ΄ΡΠ΅ΡΠ΅Π½Π΅
Ρ
Π΅ΡΠ΅ΡΠΎΡΠΈΡΠ½Π΅ Π³ΡΡΠΏΠ΅ ΠΈ ΡΡΠ²ΡΡΠ΅Π½Π΅ ΡΡ ΠΏΠΎΡΠ΅Π½ΡΠΈΡΠ°Π»Π½ΠΎ Π·Π½Π°ΡΠ°ΡΠ½Π΅ Π²Π΅Π·Π΅ ΠΈΠ·ΠΌΠ΅ΡΡ ΠΌΠ°ΡΠΊΠ΅ΡΠ° ΠΈ
Π°Π³ΡΠΎΠ½ΠΎΠΌΡΠΊΠΈ Π²Π°ΠΆΠ½ΠΈΡ
ΡΠ²ΠΎΡΡΡΠ°Π²Π° ΠΏΡΠΈΠΌΠ΅Π½ΠΎΠΌ Π°ΡΠΎΡΠΈΡΠ°ΡΠΈΠ²Π½Π΅ Π°Π½Π°Π»ΠΈΠ·Π΅, ΡΠ° ΡΠΈΡΠ΅ΠΌ Π΄Π°ΡΠ΅
ΠΏΡΠΈΠΌΠ΅Π½Π΅ Ρ ΠΌΠ°ΡΠΊΠ΅Ρ Π°ΡΠΈΡΡΠΈΡΠ°Π½ΠΎΡ ΡΠ΅Π»Π΅ΠΊΡΠΈΡΠΈ. ΠΠ½Π°Π»ΠΈΠ·ΠΈΡΠ°Π½ΠΈ ΠΌΠ°ΡΠ΅ΡΠΈΡΠ°Π» ΡΠ°ΡΡΠΎΡΠ°ΠΎ ΡΠ΅ ΠΎΠ΄ 96
ΠΈΠ½Π±ΡΠ΅Π΄ Π»ΠΈΠ½ΠΈΡΠ° ΠΈΠ· ΡΠ΅ΡΠΈΡΠΈ Ρ
Π΅ΡΠ΅ΡΠΎΡΠΈΡΠ½Π΅ Π³ΡΡΠΏΠ΅. Π’ΡΠΈΠ΄Π΅ΡΠ΅Ρ ΡΠ΅ΡΡ ΠΌΠΈΠΊΡΠΎΡΠ°ΡΠ΅Π»ΠΈΡΡΠΊΠΈΡ
ΠΌΠ°ΡΠΊΠ΅ΡΠ° ΠΊΠΎΡΠΈΡΡΠ΅Π½ΠΎ ΡΠ΅ Π·Π° ΠΈΠ·ΡΠ°ΡΡΠ½Π°Π²Π°ΡΠ΅ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΠ°ΡΠ° Π΄ΠΈΠ²Π΅ΡΠ·ΠΈΡΠ΅ΡΠ° Π³Π΅Π½ΡΠΊΠΈΡ
Π»ΠΎΠΊΡΡΠ°.
ΠΡΠΈΠΌΠ΅ΡΠ΅Π½Π΅ ΡΡ ΡΡΠΈ ΠΊΠ»Π°ΡΡΠ΅Ρ Π°Π½Π°Π»ΠΈΠ·Π΅ Π½Π° ΠΏΠΎΠ΄Π°ΡΠΈΠΌΠ° Π΄ΠΎΠ±ΠΈΡΠ΅Π½ΠΈΠΌ ΠΌΠΎΠ»Π΅ΠΊΡΠ»Π°ΡΠ½ΠΎΠΌ Π°Π½Π°Π»ΠΈΠ·ΠΎΠΌ.
ΠΠΎΡΡΠΊΠΈ ΠΎΠ³Π»Π΅Π΄ΠΈ ΡΡ ΠΏΠΎΡΡΠ°Π²ΡΠ΅Π½ΠΈ Ρ ΡΠΎΠΊΡ Π΄Π²Π΅ Π³ΠΎΠ΄ΠΈΠ½Π΅, ΠΏΠΎ ΠΏΠΎΡΠΏΡΠ½ΠΎ ΡΠ»ΡΡΠ°ΡΠ½ΠΎΠΌ Π±Π»ΠΎΠΊ ΡΠΈΡΡΠ΅ΠΌΡ
ΡΠ° ΡΡΠΈ ΠΏΠΎΠ½Π°Π²ΡΠ°ΡΠ°. ΠΠ΅ΡΠΊΡΠΈΠΏΡΠΈΠ²Π½Π° ΡΡΠ°ΡΠΈΡΡΠΈΠΊΠ°, Π°Π½Π°Π»ΠΈΠ·Π° Π²Π°ΡΠΈΡΠ°Π½ΡΠ΅, Π»ΠΈΠ½Π΅Π°ΡΠ½Π΅ ΠΊΠΎΡΠ΅Π»Π°ΡΠΈΡΠ΅
ΠΈ Π°Π½Π°Π»ΠΈΠ·Π° Π³Π»Π°Π²Π½ΠΈΡ
ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½ΡΠΈ ΠΈΠ·ΡΠ°ΡΡΠ½Π°ΡΠ΅ ΡΡ Π·Π° 13 ΠΎΡΠΎΠ±ΠΈΠ½Π°. ΠΠ΅Π·Π΅ ΠΈΠ·ΠΌΠ΅ΡΡ ΠΌΠ°ΡΠΊΠ΅ΡΠ° ΠΈ
ΠΎΡΠΎΠ±ΠΈΠ½Π° ΡΡΠ²ΡΡΠ΅Π½Π΅ ΡΡ ΠΏΡΠΈΠΌΠ΅Π½ΠΎΠΌ ΠΎΠΏΡΡΠ΅Π³ ΠΈ ΠΌΠ΅ΡΠΎΠ²ΠΈΡΠΎΠ³ Π»ΠΈΠ½Π΅Π°ΡΠ½ΠΎΠ³ ΠΌΠΎΠ΄Π΅Π»Π°. ΠΡΠΎΡΠ΅ΡΠ°Π½
Π±ΡΠΎΡ Π°Π»Π΅Π»Π° ΠΈΠ·Π½ΠΎΡΠΈΠΎ ΡΠ΅ 8,3, ΠΏΡΠΎΡΠ΅ΡΠ½Π° ΠΏΠΎΠ»ΠΈΠΌΠΎΡΡΠ½ΠΎΡΡ ΠΏΠΎΡΠ΅Π΄ΠΈΠ½Π°ΡΠ½ΠΈΡ
Π»ΠΎΠΊΡΡΠ° ΠΈΠ·Π½ΠΎΡΠΈΠ»Π° ΡΠ΅
0,64, Π° ΠΏΡΠΎΡΠ΅Π½Π°Ρ ΡΠ΅ΡΠΊΠΈΡ
Π°Π»Π΅Π»Π° 8,5% ΠΏΠΎ Π»ΠΎΠΊΡΡΡ. Π£ΠΎΡΠ΅Π½ ΡΠ΅ Π²Π΅ΡΠΈ Π³Π΅Π½Π΅ΡΠΈΡΠΊΠΈ Π΄ΠΈΠ²Π΅ΡΠ·ΠΈΡΠ΅Ρ
ΠΊΠΎΠ΄ BSSS Π½Π΅Π³ΠΎ ΠΊΠΎΠ΄ Lancaster Π»ΠΈΠ½ΠΈΡΠ°. ΠΠΈΡΠ΅ ΠΎΠ΄ ΡΡΠ΅ΡΠΈΠ½Π΅ Π°Π»Π΅Π»Π° Π±ΠΈΠ»ΠΎ ΡΠ΅ ΠΊΠ°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΡΠ½ΠΎ
Π·Π° ΡΠ°ΠΌΠΎ ΡΠ΅Π΄Π½Ρ Π³ΡΡΠΏΡ. Π Π΅Π·ΡΠ»ΡΠ°ΡΠΈ ΠΊΠ»Π°ΡΡΠ΅Ρ Π°Π½Π°Π»ΠΈΠ·Π° ΡΡ Ρ Π²Π΅Π»ΠΈΠΊΠΎΡ ΠΌΠ΅ΡΠΈ Π±ΠΈΠ»ΠΈ Ρ ΠΌΠ΅ΡΡΡΠΎΠ±Π½ΠΎΡ
ΡΠ°Π³Π»Π°ΡΠ½ΠΎΡΡΠΈ. ΠΠ½Π°Π»ΠΈΠ·Π° Π²Π°ΡΠΈΡΠ°Π½ΡΠ΅ ΡΠΊΠ°Π·Π°Π»Π° ΡΠ΅ Π½Π° ΠΏΠΎΡΡΠΎΡΠ°ΡΠ΅ ΡΡΠ°ΡΠΈΡΡΠΈΡΠΊΠΈ Π·Π½Π°ΡΠ°ΡΠ½ΠΈΡ
ΡΠ°Π·Π»ΠΈΠΊΠ° ΠΎΡΠΎΠ±ΠΈΠ½Π° ΠΌΠ΅ΡΡ ΠΈΠ½Π±ΡΠ΅Π΄ Π»ΠΈΠ½ΠΈΡΠ°ΠΌΠ°, Π³ΠΎΠ΄ΠΈΠ½Π°ΠΌΠ° ΠΈ Π»ΠΎΠΊΠ°Π»ΠΈΡΠ΅ΡΠΈΠΌΠ°. Π Π΅Π·ΡΠ»ΡΠ°ΡΠΈ ΠΊΠ»Π°ΡΡΠ΅Ρ
Π°Π½Π°Π»ΠΈΠ·Π΅ ΡΠ΅Π½ΠΎΡΠΈΠΏΡΠΊΠΈΡ
ΠΏΠΎΠ΄Π°ΡΠ°ΠΊΠ° Π±ΠΈΠ»ΠΈ ΡΡ Ρ ΠΌΠ°ΡΠΎΡ ΠΌΠ΅ΡΠΈ ΡΠ°Π³Π»Π°ΡΠ½ΠΈ ΡΠ° ΠΏΠ΅Π΄ΠΈΠ³ΡΠ΅ΠΈΠΌΠ° Π»ΠΈΠ½ΠΈΡΠ°,
Π½Π΅Π³ΠΎ ΡΠ΅Π·ΡΠ»Π°ΡΠΈ Π°Π½Π°Π»ΠΈΠ·Π΅ ΠΌΠΎΠ»Π΅ΠΊΡΠ»Π°ΡΠ½ΠΈΡ
ΠΏΠΎΠ΄Π°ΡΠ°ΠΊΠ°. ΠΠ½Π°Π»ΠΈΠ·Π° Π³Π»Π°Π²Π½ΠΈΡ
ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½ΡΠΈ
ΠΈΠ·Π΄Π²ΠΎΡΠΈΠ»Π° ΡΠ΅ Π»ΠΈΠ½ΠΈΡΠ΅ ΠΏΡΠ΅ΠΌΠ° Ρ
Π΅ΡΠ΅ΡΠΎΡΠΈΡΠ½ΠΈΠΌ Π³ΡΡΠΏΠ°ΠΌΠ° ΠΈ ΠΈΡΡΠ°ΠΊΠ»Π° ΡΠΈΡ
ΠΎΠ²Π΅ ΠΎΠΏΡΡΠ΅
ΠΊΠ°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊΠ΅. ΠΠ΅Π»ΠΈΠΊΠΈ Π±ΡΠΎΡ ΡΡΠ²ΡΡΠ΅Π½ΠΈΡ
Π°Π»Π΅Π»Π° ΠΌΠ°ΡΠΊΠ΅ΡΠ° ΡΠ° ΡΡΠ°Π±ΠΈΠ»Π½ΠΈΠΌ ΠΏΠΎΠ·ΠΈΡΠΈΠ²Π½ΠΈΠΌ
Π΅ΡΠ΅ΠΊΡΠΈΠΌΠ° Π½Π° ΠΏΡΠΈΠ½ΠΎΡ ΡΠΊΠ°Π·ΡΡΠ΅ Π½Π° ΠΌΠΎΠ³ΡΡΠΈ Π·Π½Π°ΡΠ°Ρ ΠΎΠ²ΠΈΡ
ΠΌΠ°ΡΠΊΠ΅ΡΠ° Ρ ΠΎΠΏΠ»Π΅ΠΌΠ΅ΡΠΈΠ²Π°ΡΡ ΠΊΡΠΊΡΡΡΠ·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.
ΠΡΠΊΡΡΡΠ· ΡΠ΅ Π±ΠΈΡΠ½Π° Π²ΡΡΡΠ° ΠΊΠΎΡΠ° ΠΈΡΠΏΠΎΡΠ°Π²Π° Π²Π΅Π»ΠΈΠΊΡ ΡΠ΅Π½ΠΎΡΠΈΠΏΡΠΊΡ ΠΈ Π³Π΅Π½Π΅ΡΠΈΡΠΊΡ
Π²Π°ΡΠΈΡΠ°Π±ΠΈΠ»Π½ΠΎΡΡ. Π£ ΠΎΠ²ΠΎΠΌ ΡΠ°Π΄Ρ ΠΈΠ·Π²ΡΡΠ΅Π½Π° ΡΠ΅ ΡΠ΅Π½ΠΎΡΠΈΠΏΡΠΊΠ° ΠΈ ΠΌΠΎΠ»Π΅ΠΊΡΠ»Π°ΡΠ½Π° ΠΊΠ°ΡΠ°ΠΊΡΠ΅ΡΠΈΠ·Π°ΡΠΈΡΠ°
Π΄ΠΈΠ²Π΅ΡΠ³Π΅Π½ΡΠ½ΠΈΡ
ΠΈΠ½Π±ΡΠ΅Π΄ Π»ΠΈΠ½ΠΈΡΠ° ΠΊΡΠΊΡΡΡΠ·Π° ΠΊΠΎΡΠ΅ ΡΠ΅ ΠΊΠΎΡΠΈΡΡΠ΅ Ρ ΠΎΠΏΠ»Π΅ΠΌΠ΅ΡΠΈΠ²Π°ΡΠΊΠΈΠΌ ΠΏΡΠΎΠ³ΡΠ°ΠΌΠΈΠΌΠ°
ΠΈ ΠΊΠΎΡΠ΅ ΠΏΡΠ΅Π΄ΡΡΠ°Π²ΡΠ°ΡΡ ΠΌΠΎΠ³ΡΡΠΈ ΠΈΠ·Π²ΠΎΡ Π°Π»Π΅Π»Π° ΡΠ° ΠΏΠΎΠ·ΠΈΡΠΈΠ²Π½ΠΈΠΌ ΡΡΠΈΡΠ°ΡΠ΅ΠΌ Π½Π° Π°Π³ΡΠΎΠΌΠΎΠ½ΡΠΊΠΈ Π²Π°ΠΆΠ½Π΅
ΠΎΡΠΎΠ±ΠΈΠ½Π΅. Π’Π°ΠΊΠΎΡΠ΅, ΠΈΠ΄Π΅Π½ΡΠΈΡΠΈΠΊΠΎΠ²Π°Π½ΠΈ ΡΡ Π°Π»Π΅Π»ΠΈ ΠΊΠ°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΡΠ½ΠΈ Π·Π° ΠΎΠ΄ΡΠ΅ΡΠ΅Π½Π΅
Ρ
Π΅ΡΠ΅ΡΠΎΡΠΈΡΠ½Π΅ Π³ΡΡΠΏΠ΅ ΠΈ ΡΡΠ²ΡΡΠ΅Π½Π΅ ΡΡ ΠΏΠΎΡΠ΅Π½ΡΠΈΡΠ°Π»Π½ΠΎ Π·Π½Π°ΡΠ°ΡΠ½Π΅ Π²Π΅Π·Π΅ ΠΈΠ·ΠΌΠ΅ΡΡ ΠΌΠ°ΡΠΊΠ΅ΡΠ° ΠΈ
Π°Π³ΡΠΎΠ½ΠΎΠΌΡΠΊΠΈ Π²Π°ΠΆΠ½ΠΈΡ
ΡΠ²ΠΎΡΡΡΠ°Π²Π° ΠΏΡΠΈΠΌΠ΅Π½ΠΎΠΌ Π°ΡΠΎΡΠΈΡΠ°ΡΠΈΠ²Π½Π΅ Π°Π½Π°Π»ΠΈΠ·Π΅, ΡΠ° ΡΠΈΡΠ΅ΠΌ Π΄Π°ΡΠ΅
ΠΏΡΠΈΠΌΠ΅Π½Π΅ Ρ ΠΌΠ°ΡΠΊΠ΅Ρ Π°ΡΠΈΡΡΠΈΡΠ°Π½ΠΎΡ ΡΠ΅Π»Π΅ΠΊΡΠΈΡΠΈ. ΠΠ½Π°Π»ΠΈΠ·ΠΈΡΠ°Π½ΠΈ ΠΌΠ°ΡΠ΅ΡΠΈΡΠ°Π» ΡΠ°ΡΡΠΎΡΠ°ΠΎ ΡΠ΅ ΠΎΠ΄ 96
ΠΈΠ½Π±ΡΠ΅Π΄ Π»ΠΈΠ½ΠΈΡΠ° ΠΈΠ· ΡΠ΅ΡΠΈΡΠΈ Ρ
Π΅ΡΠ΅ΡΠΎΡΠΈΡΠ½Π΅ Π³ΡΡΠΏΠ΅. Π’ΡΠΈΠ΄Π΅ΡΠ΅Ρ ΡΠ΅ΡΡ ΠΌΠΈΠΊΡΠΎΡΠ°ΡΠ΅Π»ΠΈΡΡΠΊΠΈΡ
ΠΌΠ°ΡΠΊΠ΅ΡΠ° ΠΊΠΎΡΠΈΡΡΠ΅Π½ΠΎ ΡΠ΅ Π·Π° ΠΈΠ·ΡΠ°ΡΡΠ½Π°Π²Π°ΡΠ΅ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΠ°ΡΠ° Π΄ΠΈΠ²Π΅ΡΠ·ΠΈΡΠ΅ΡΠ° Π³Π΅Π½ΡΠΊΠΈΡ
Π»ΠΎΠΊΡΡΠ°.
ΠΡΠΈΠΌΠ΅ΡΠ΅Π½Π΅ ΡΡ ΡΡΠΈ ΠΊΠ»Π°ΡΡΠ΅Ρ Π°Π½Π°Π»ΠΈΠ·Π΅ Π½Π° ΠΏΠΎΠ΄Π°ΡΠΈΠΌΠ° Π΄ΠΎΠ±ΠΈΡΠ΅Π½ΠΈΠΌ ΠΌΠΎΠ»Π΅ΠΊΡΠ»Π°ΡΠ½ΠΎΠΌ Π°Π½Π°Π»ΠΈΠ·ΠΎΠΌ.
ΠΠΎΡΡΠΊΠΈ ΠΎΠ³Π»Π΅Π΄ΠΈ ΡΡ ΠΏΠΎΡΡΠ°Π²ΡΠ΅Π½ΠΈ Ρ ΡΠΎΠΊΡ Π΄Π²Π΅ Π³ΠΎΠ΄ΠΈΠ½Π΅, ΠΏΠΎ ΠΏΠΎΡΠΏΡΠ½ΠΎ ΡΠ»ΡΡΠ°ΡΠ½ΠΎΠΌ Π±Π»ΠΎΠΊ ΡΠΈΡΡΠ΅ΠΌΡ
ΡΠ° ΡΡΠΈ ΠΏΠΎΠ½Π°Π²ΡΠ°ΡΠ°. ΠΠ΅ΡΠΊΡΠΈΠΏΡΠΈΠ²Π½Π° ΡΡΠ°ΡΠΈΡΡΠΈΠΊΠ°, Π°Π½Π°Π»ΠΈΠ·Π° Π²Π°ΡΠΈΡΠ°Π½ΡΠ΅, Π»ΠΈΠ½Π΅Π°ΡΠ½Π΅ ΠΊΠΎΡΠ΅Π»Π°ΡΠΈΡΠ΅
ΠΈ Π°Π½Π°Π»ΠΈΠ·Π° Π³Π»Π°Π²Π½ΠΈΡ
ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½ΡΠΈ ΠΈΠ·ΡΠ°ΡΡΠ½Π°ΡΠ΅ ΡΡ Π·Π° 13 ΠΎΡΠΎΠ±ΠΈΠ½Π°. ΠΠ΅Π·Π΅ ΠΈΠ·ΠΌΠ΅ΡΡ ΠΌΠ°ΡΠΊΠ΅ΡΠ° ΠΈ
ΠΎΡΠΎΠ±ΠΈΠ½Π° ΡΡΠ²ΡΡΠ΅Π½Π΅ ΡΡ ΠΏΡΠΈΠΌΠ΅Π½ΠΎΠΌ ΠΎΠΏΡΡΠ΅Π³ ΠΈ ΠΌΠ΅ΡΠΎΠ²ΠΈΡΠΎΠ³ Π»ΠΈΠ½Π΅Π°ΡΠ½ΠΎΠ³ ΠΌΠΎΠ΄Π΅Π»Π°. ΠΡΠΎΡΠ΅ΡΠ°Π½
Π±ΡΠΎΡ Π°Π»Π΅Π»Π° ΠΈΠ·Π½ΠΎΡΠΈΠΎ ΡΠ΅ 8,3, ΠΏΡΠΎΡΠ΅ΡΠ½Π° ΠΏΠΎΠ»ΠΈΠΌΠΎΡΡΠ½ΠΎΡΡ ΠΏΠΎΡΠ΅Π΄ΠΈΠ½Π°ΡΠ½ΠΈΡ
Π»ΠΎΠΊΡΡΠ° ΠΈΠ·Π½ΠΎΡΠΈΠ»Π° ΡΠ΅
0,64, Π° ΠΏΡΠΎΡΠ΅Π½Π°Ρ ΡΠ΅ΡΠΊΠΈΡ
Π°Π»Π΅Π»Π° 8,5% ΠΏΠΎ Π»ΠΎΠΊΡΡΡ. Π£ΠΎΡΠ΅Π½ ΡΠ΅ Π²Π΅ΡΠΈ Π³Π΅Π½Π΅ΡΠΈΡΠΊΠΈ Π΄ΠΈΠ²Π΅ΡΠ·ΠΈΡΠ΅Ρ
ΠΊΠΎΠ΄ BSSS Π½Π΅Π³ΠΎ ΠΊΠΎΠ΄ Lancaster Π»ΠΈΠ½ΠΈΡΠ°. ΠΠΈΡΠ΅ ΠΎΠ΄ ΡΡΠ΅ΡΠΈΠ½Π΅ Π°Π»Π΅Π»Π° Π±ΠΈΠ»ΠΎ ΡΠ΅ ΠΊΠ°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΡΠ½ΠΎ
Π·Π° ΡΠ°ΠΌΠΎ ΡΠ΅Π΄Π½Ρ Π³ΡΡΠΏΡ. Π Π΅Π·ΡΠ»ΡΠ°ΡΠΈ ΠΊΠ»Π°ΡΡΠ΅Ρ Π°Π½Π°Π»ΠΈΠ·Π° ΡΡ Ρ Π²Π΅Π»ΠΈΠΊΠΎΡ ΠΌΠ΅ΡΠΈ Π±ΠΈΠ»ΠΈ Ρ ΠΌΠ΅ΡΡΡΠΎΠ±Π½ΠΎΡ
ΡΠ°Π³Π»Π°ΡΠ½ΠΎΡΡΠΈ. ΠΠ½Π°Π»ΠΈΠ·Π° Π²Π°ΡΠΈΡΠ°Π½ΡΠ΅ ΡΠΊΠ°Π·Π°Π»Π° ΡΠ΅ Π½Π° ΠΏΠΎΡΡΠΎΡΠ°ΡΠ΅ ΡΡΠ°ΡΠΈΡΡΠΈΡΠΊΠΈ Π·Π½Π°ΡΠ°ΡΠ½ΠΈΡ
ΡΠ°Π·Π»ΠΈΠΊΠ° ΠΎΡΠΎΠ±ΠΈΠ½Π° ΠΌΠ΅ΡΡ ΠΈΠ½Π±ΡΠ΅Π΄ Π»ΠΈΠ½ΠΈΡΠ°ΠΌΠ°, Π³ΠΎΠ΄ΠΈΠ½Π°ΠΌΠ° ΠΈ Π»ΠΎΠΊΠ°Π»ΠΈΡΠ΅ΡΠΈΠΌΠ°. Π Π΅Π·ΡΠ»ΡΠ°ΡΠΈ ΠΊΠ»Π°ΡΡΠ΅Ρ
Π°Π½Π°Π»ΠΈΠ·Π΅ ΡΠ΅Π½ΠΎΡΠΈΠΏΡΠΊΠΈΡ
ΠΏΠΎΠ΄Π°ΡΠ°ΠΊΠ° Π±ΠΈΠ»ΠΈ ΡΡ Ρ ΠΌΠ°ΡΠΎΡ ΠΌΠ΅ΡΠΈ ΡΠ°Π³Π»Π°ΡΠ½ΠΈ ΡΠ° ΠΏΠ΅Π΄ΠΈΠ³ΡΠ΅ΠΈΠΌΠ° Π»ΠΈΠ½ΠΈΡΠ°,
Π½Π΅Π³ΠΎ ΡΠ΅Π·ΡΠ»Π°ΡΠΈ Π°Π½Π°Π»ΠΈΠ·Π΅ ΠΌΠΎΠ»Π΅ΠΊΡΠ»Π°ΡΠ½ΠΈΡ
ΠΏΠΎΠ΄Π°ΡΠ°ΠΊΠ°. ΠΠ½Π°Π»ΠΈΠ·Π° Π³Π»Π°Π²Π½ΠΈΡ
ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½ΡΠΈ
ΠΈΠ·Π΄Π²ΠΎΡΠΈΠ»Π° ΡΠ΅ Π»ΠΈΠ½ΠΈΡΠ΅ ΠΏΡΠ΅ΠΌΠ° Ρ
Π΅ΡΠ΅ΡΠΎΡΠΈΡΠ½ΠΈΠΌ Π³ΡΡΠΏΠ°ΠΌΠ° ΠΈ ΠΈΡΡΠ°ΠΊΠ»Π° ΡΠΈΡ
ΠΎΠ²Π΅ ΠΎΠΏΡΡΠ΅
ΠΊΠ°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊΠ΅. ΠΠ΅Π»ΠΈΠΊΠΈ Π±ΡΠΎΡ ΡΡΠ²ΡΡΠ΅Π½ΠΈΡ
Π°Π»Π΅Π»Π° ΠΌΠ°ΡΠΊΠ΅ΡΠ° ΡΠ° ΡΡΠ°Π±ΠΈΠ»Π½ΠΈΠΌ ΠΏΠΎΠ·ΠΈΡΠΈΠ²Π½ΠΈΠΌ
Π΅ΡΠ΅ΠΊΡΠΈΠΌΠ° Π½Π° ΠΏΡΠΈΠ½ΠΎΡ ΡΠΊΠ°Π·ΡΡΠ΅ Π½Π° ΠΌΠΎΠ³ΡΡΠΈ Π·Π½Π°ΡΠ°Ρ ΠΎΠ²ΠΈΡ
ΠΌΠ°ΡΠΊΠ΅ΡΠ° Ρ ΠΎΠΏΠ»Π΅ΠΌΠ΅ΡΠΈΠ²Π°ΡΡ ΠΊΡΠΊΡΡΡΠ·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
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