biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 22:274-281, 1980 | DOI: 10.1007/BF02892772

Grain yield and ear development of spring barley as influenced by environmental conditions during early stages of plant development

R. Frank1
1 Zentralinstitut für Genetik und Kulturpflanzenforschung der Akademie der Wissenschaften der DDR, Gatersleben, DDR

Barley plants were grown until day 21 under conditions which were different in relation to photon flux density, carbon dioxide concentration and temperature. Dry weight and leaf area increase from day 7 until day 21, shoot apex development between day 15 and day 47, and yield of each treatment group were considered. Photon flux density was demonstrated to have a greater influence on net assimilation rate (NAR) of young plants than has carbon dioxide enrichment. High temperature treatment seems to influence NAR less than growth and developmental processes. Grain yield of high temperature treated plants was significantly lower than that of the other treatment groups. Significant correlations have been found between growth analysis values of young plants and some yield components of each treatment.

Received: July 31, 1979; Accepted: October 17, 1979; Published: July 1, 1980  Show citation

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Frank, R. (1980). Grain yield and ear development of spring barley as influenced by environmental conditions during early stages of plant development. Biologia plantarum, 22(4), 274-281. doi: 10.1007/BF02892772
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