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Effect of the fertilization on some quality parameters of winter wheat
Published December 15, 2010
105-110

We studied the different mineral fertilizer rates effect on the baking quality of five different winter wheat genotypes (GK Öthalom, Lupus, KG Széphalom, GK Békés, Mv Mazurka) on chernozom soil in 2008.
The bigger fertilizer doses increased the wet gluten content, gluten elasticity and the protein content. The high doses of fertilization... has got a moderate effect on the valorigaph value, water absorption, and falling number. The optimum level of the fertilizer doses were the N90-120+PK.
The Pearson’s correlation analysis proved strong relationships between the fertilization and gluten content, the quality of the gluten, a valorigraph value, and the protein content. The analysis verified a strong correlation between genotype and falling number, and the protein content.
The variety Mv Mazurka has got the best baking quality parameters.

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The response of sunflower hybrids to different plant densities on a chernozem soil
Published July 31, 2012
123-128

In our experiment the reaction of six sunflower hybrids of different genotypes (NK Oktava, ES Biba, ES Diagora, ES Ballistic, EGH 8925, PR 64 H 42) towards plant density has been investigated by different fungicide treatments in the crop-year of 2011 on a chernozem soil. 
In the crop-year of 2011 sunflower populations were infected by a... significant Diaporthe helianthi disease. The extent of this infection was significantly enhanced by the increment of plant density. However, regarding the average of the hybrids and plant densities the two times executed fungicide treatment has decreased the infection rate by 22%. The most susceptible hybrid was the ES Biba. Contrarily, the hybrid ECH8925 proved to be the most resistant hybrid towards this
disease according to our results. According to the results of the Pearson’s correlation analysis it has been revealed that stalk breakage and Diaporthe infection stand in a very close (r=0.782**) and middle close (r=0.523**) correlation resp. with plant density. The relationship between fungucude treatments and stalk breakage, just as Diaporthe infection showed to be middle and close respectively. Our results demonstrate the role of stalk and plate diseases (among them Diaporthe) in causing stalk breakage, for we have found a close positive correlation between stalk breakage and Diaporthe infection (r=0.624**) in our analysis.
From the aspect of yield amount the optimal plant density varied between 45 000 and 55 000 plants per hectare. Fungucude treatments enabled not only the use of higher plants densities, but they had a yield increasing effect as well. In the crop-year of 2011 the highest yield (4 559 kg ha-1) on a chernozem soil has been measured in case of the hybrid ECH8925.

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The effect of sowing date and plant density of winter oilseed rape (Brassica napus var. napus f. biennis L.) population
Published June 30, 2018
213-215

The experiment has been set up in the University of Debrecen Látókép Experimental Station in three different years (2014, 2015 and 2016), three different plant densities 200, 350 and 500 thousand ha-1, four replications of the same nutrient supply with using a line spacing of 45 cm. In the experiment, the fore crop was winter wheat in each y...ear. The amount of weeds was observed five times in the last experimental year (2016/2017). In the three experimental years, the highest yield was harvested from the early sowing plot with the highest plant density. On the basis of the Pearson’s correlation analysis there was significant negative correlation (r=-0.583) between the effect of the annual year and yield of the hybrid.

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