Production of morphine and variability of significant characters of Papaver somniferum L.
Matyasova, E.,Ceska Zemedelska Univ., Prague (Czech Republic). Katedra Botaniky a Fyziologie Rostlin | Novak, J.,Ceska Zemedelska Univ., Prague (Czech Republic). Katedra Botaniky a Fyziologie Rostlin | Stranska, I.,Ceska Zemedelska Univ., Prague (Czech Republic). Katedra Botaniky a Fyziologie Rostlin | Hejtmankova, A.,Ceska Zemedelska Univ., Prague (Czech Republic). Katedra Chemie | Skalicky, M.,Ceska Zemedelska Univ., Prague (Czech Republic). Katedra Botaniky a Fyziologie Rostlin | Hejtmankova, K.,Ceska Zemedelska Univ., Prague (Czech Republic). Katedra Chemie | Hejnak, V.,Ceska Zemedelska Univ., Prague (Czech Republic). Katedra Botaniky a Fyziologie Rostlin
Intensive production of poppy leads to a specific direction of breeding with the aim to obtain highly productive cultivars of the so-called food industry or industrial type. This paper evaluates 57 poppy genetic resources (mostly cultivars). Significant morphologic and agricultural characters (capsule size; morphine content in poppy straw; weight of dry, empty capsule) and concentration of morphine in the poppy straw are compared. On average, lower values of the indicators studied were achieved by cultivars with white-coloured seed, including morphine content; concrete data are specified in three cultivars with morphine content in the poppy straw above 0.40%. In blue-seed to grey-seed cultivars, except for the high-morphine cultivar Buddha (1.85% of morphine), we found only six genotypes with a minimum morphine level of 0.8% in the poppy straw (maximum of 0.92%). These genetic resources also achieved very good values in the morphological indicators and average value in the economic indicators.
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