Analysis of the photosynthetic parameters, the yield and the quality of winter wheat
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Kiadó
Faculty of Agricultural and Food Sciences and Enviromental Management of the Debrecen University, Debrecen.
Absztrakt
Leírás
The environmental adaptability of crop production is basically determined by the selection of biological background (plant species andvarieties) suitable for the region and the site. The aim of our work is to parametrize the plant assimilation, its intensity, dynamics and themost important characteristics and the relationships to the quality in winter wheat trials. The measurements were carried out at the researchsite of the University of Debrecen in small parcel experiments. We measured the leaf net CO2 assimilation rate, stomatal conductance,intercellular CO2 level, the transpiration, the leaf temperature and the air temperature by the LICOR LI-6400 portable photosynthesissystem in field trials on the nutrient supply. The soil of the experimental area is calciferous chernozem with favorable water regime.We have examined the photosynthetic activity, the productivity and yield stability of winter wheat varieties. We have compared the yieldresults, at similar agrotechnical conditions in seven cropyears. We also determined the quality parameters of the winter wheat varieties.Then we valued the yield stability of genotypes with the help of analysis of variance and linear regression equations. We have defined theconnections between assimilation parameters, the yield stability and quality parameters of wheat varieties.
Kulcsszavak
wheat, quality, photosynthesis, nutrient supply