TITLE

NASLEĐIVANJE OSOBINA HIBRIDA SILAŽNOG KUKURUZA

AUTHOR(S)
Sećanski, Mile; Zivanović, Tomislav; Vasiljević, Sanja
PUB. DATE
June 2007
SOURCE
Zbornik Radova - A Periodical of Scientific Research on Field & ;2007, Vol. 44 Issue 1, p193
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A set of six maize inbred lines and their diallel hybrids of F1 generation for grain yield, yield components, morphological traits and dry matter yield of both whole plant and ear were investigated in this study. A comparative trial with inbreds and hybrids was set at Zemun Polje in 2000 and 2001. The analysis of genetic variance components and regression analysis were done after Jinks, 1954, Hayman, 1954, Mather and Jinks, 1971. Dominant components (H1 and H2) of genetic variance were greater than additive ones (D) for all studied traits except kernel row number. Results on the Vr/Wr regression analysis point out to super-dominance in inheritance of all traits, but kernel row number, for which partial dominance was estimated. The high broad sense heratibility was registered for all traits, indicating a great significance of dominant genes for their expression. As expected, the highest narrow sense heratibility was detected for kernel row number, due to higher frequency of additive genes. The greatest estimate of heterosis was determined for grain yield (155,551%) and ear dry matter yield (157,80%) in the hybrid ZPLB 405 x ZPLB 406. Negative estimates of heterosis were determined in the hybrid ZPLB 402 x ZPLB 403 for all traits, except kernel row number, ear and plant height.
ACCESSION #
33283139

 

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