Development of leaf area of two spring triticale cultivars depending on their share in a mixture with wheat
Aleksander Szmigiel
kszur@urk.edu.plKatedra Szczegółowej Uprawy Roślin, Akademia Rolnicza w Krakowie (Poland)
Andrzej Oleksy
Katedra Szczegółowej Uprawy Roślin, Akademia Rolnicza w Krakowie (Poland)
Abstract
The effect of two spring triticale cultivars (Gabo and Wanad) cultivation in mixture with wheat on the assimilative area of its leaves was studied in a field experiment conducted on a very good wheat soil in 1998–2000. Triticale share in the mixture sowing material constituted 75, 50 or 25%. Measurements of leaf blades were conducted at the phases of shooting and earing. In the conducted experiment, a bigger assimilative area of leaf blades was found in wheat at the shooting phase, whereas at the earing phase it was higher in the Wanad triticale. At the shooting phase, plants in the mixture with Wanad were characterized by a bigger leaf area. LAI index reached values ranging between 1.67 and 2.90, depending on the species, cultivar and mixture. At the earing phase Gabo triticale plants in mixtures revealed much bigger leaf area as compared to single species cultures, whereas Wanad cultivar plants had smaller area. LAI index at the earing phase reached the highest values in the mixtures with the smallest share of triticale (3.63–3.67) and in wheat pure culture (3.61). All the studied combinations of mixtures reached bigger LAI values in comparison to single species triticale cultures. However, no higher yielding of mixtures in comparison to single species triticale cultures was found.
Keywords:
assimilation surface area of the leaves, leaf area index, mixtures, spring triticale, yieldReferences
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Authors
Aleksander Szmigielkszur@urk.edu.pl
Katedra Szczegółowej Uprawy Roślin, Akademia Rolnicza w Krakowie Poland
Authors
Andrzej OleksyKatedra Szczegółowej Uprawy Roślin, Akademia Rolnicza w Krakowie Poland
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