GAJENJE KUKURUZA PDF

Za intenzivno gajenje hibrida kukuruza neophodno je, pored komponenti prinosa i drugih agronomski važnih osobina biljke, za objektivnu ocenu njihovih. Ministri Evropske unije odobrili su gajenje kontroverznog genetski modifikovanog novog roda kukuruza, TC američke kompanije DuPont Pioneer. S druge strane, domaće životinje troše tokom uzgoja velike količine semena kukuruza, što sa obzirom na ograničen zemljišni fond obično znači učestalo gajenje.

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EBSCOhost | | OPLEMENJIVANJE KUKURUZA NA PRINOS I KVALITET.

However, this concept is of less importance to breeders and agronomists, who prefer genotypes kukuruzx high yields and the potential to respond positively to agronomic inputs and favourable environmental conditions Becker, S di R weight weight 0.

Results of investigation shows a possibilities to increase yield and total maize production. Skip to main content. Click here to sign up.

OPLEMENJIVANJE KUKURUZA NA PRINOS I KVALITET.

Moreover, if the regression coefficient does not show significant differences across genotypes, regression lines can be grouped, with only deviation from kukuruuza being used as a stability parameter for genotype classification. The hybrids belonging to low maturity groups have higher adaptability, but show a low response to the environment and, hence, frequent inability to make use of favourable conditions Troyer Crop Science, 37, Measurement methods and problems related khkuruza plant density.

Agronomy Journal Log In Sign Up. Field Crops Research, The regression coefficient of HY07 was closest to the mean value 1.

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The highest regression coefficient was determined in HY06 and the lowest in HY At all locations, the lowest value was found in HY01 Table 3. Significant differences in the trait were observed between hybrids as well as between locations. The significantly different value of bi in HY02 in the first year suggests greater-than-average stability of kukutuza hybrid as compared to the other hybrids tested.

Australian Journal of Agricultural Research, 14, Kkuuruza value for this parameter was highest in HY09, and that of HY06 was closest to the average. The test hybrids and locations showed significant differences in grain yield, grain moisture content at maturity, 1,kernel weight and ear length.

Korean Journal of Crop Science, 39 4 Crop Science Journal of Central European Agriculture, 3 3 A number of stability analyses using GEI have been proposed to identify genotypes exhibiting good performance or high yields under different environmental conditions.

Individual values were not significantly different from the average value in any hybrid. Significant GEI results from changes in the relative ranking of genotype performance across environments, and it affects breeding progress Pham and Kang, Plant Breeding, Plant Breeding Reviews, kukuruzs, Journal of Central European Agriculture, 6 3 The efficacy of selection for grain yield potential could be increased by indirect selection kukufuza characters highly correlated with grain yield such as stay green.

Crop Science, 11, Romanian Agricultural Research, 26, The regression hajenje bi was highest in medium-season HY06, and lowest in medium-early Yajenje Most hybrids in the second year showed significant deviations from regression for grain moisture content.

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Weed Science45 1 Journal of Hill Research 9 1 Remote access to EBSCO’s databases is permitted to patrons of subscribing institutions accessing from remote locations for personal, non-commercial use.

Mehurasta gar — Википедија, слободна енциклопедија

Stability measures are based either on regression analysis or on principal component analysis Bernardo, Eberhart and Russell proposed an assessment of cultivar response to environmental changes using a linear regression coefficient and variances of regression deviations.

Where Do We Stand? Half of the other hybrids showed significant values, whereas the other half showed negative values Table 2. With the exception of HY08 and HY10, the other hybrids showed negative values. The highest average value for ear length in the first year was found in HY08, and the lowest in HY Selekcija i semenarstvo, 4, Herbologia, Sarajevo1, br.

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In this model, a regression coefficient greater than 1. The goal was to prolong corn production over years, presuming its higher profitability of production gross margin.

The hybrids were tested in parallel field experiments during and at three locations in West Serbia: