Determining the saturation irradiance and photosynthetic capacity for new perspective varieties of hop ( Humulus lupulus L.)

For the hop varieties: Agnus, Harmonie, Premiant and Osvaldův klon 72, the values for the saturation radiance and photosynthetic capacity were determined. Photosynthetic capacity was determined gasometrically. For the varieties Premiant and Osvaldův klon 72 the saturation irradiance was 447 μmol....

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Bibliographic Details
Published in:Cereal research communications 2007-06, Vol.35 (2), p.461-464
Main Authors: HNILIČKOVÁ, Helena, HNILIČKA, František, KROFTA, Karel
Format: Article
Language:English
Subjects:
C3 plants
Humulus lupulus
Irradiance
Leaves
Light curves
light intensity
Photosynthesis
Plants
Vines
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Summary:For the hop varieties: Agnus, Harmonie, Premiant and Osvaldův klon 72, the values for the saturation radiance and photosynthetic capacity were determined. Photosynthetic capacity was determined gasometrically. For the varieties Premiant and Osvaldův klon 72 the saturation irradiance was 447 μmol.m −2 .s −1 and for the varieties Agnus and Harmonie 499 μmol.m −2 .s −1 . The lowest photosynthetic capacity was demonstrated by Osvaldův klon 72 (6.8 μmol CO 2 .m −2 .s −1) and the highest by Premiant (14.64 μmol CO 2 .m −2 .s −1). The results obtained supplemented the present knowledge from the area of hop physiology and will expand knowledge about the biological properties of the varieties in question.
ISSN:0133-3720
1788-9170
DOI:10.1556/CRC.35.2007.2.74