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https://open.uns.ac.rs/handle/123456789/13210
Назив: | Photosynthesis, Chlorophyll Fluorescence and Soluble Carbohydrates in Sunflower Leaves as Affected by Boron Deficiency | Аутори: | Kastori R. Plesničar M. Panković D. Sakač Z. |
Датум издавања: | 1-јан-1995 | Часопис: | Journal of Plant Nutrition | Сажетак: | The effect of various boron levels in the nutrient solution on the growth, boron and chlorophyll content, photosynthesis and chlorophyll fluorescence in the leaves of young sunflower (Helianthus annuus L.) plants was studied under greenhouse conditions. Deficiency of boron decreased the dry matter yield of the roots, shoots and leaves. The content of boron in all analyzed plant parts increased with the increase of boron levels in the nutrient solution, more so in the shoots than in the roots. Leaf area was reduced under boron deficiency as well as the content of chlorophyll in the leaves. The content of analyzed sugars was increased in boron deficient plants, glucose content exhibited the highest increase under boron deficiency. Boron deficiency appreciably decreased photosynthetic oxygen evolution by leaves, the apparent quantum yield and quantum efficiency of photosystem two electron transport. The diminished rate of photosynthesis in boron deficient sunflower leaves could be correlated to the diminished efficiency of electron transport and to the increased content of sugars in the leaves. © 1995, Taylor & Francis Group, LLC. All rights reserved. | URI: | https://open.uns.ac.rs/handle/123456789/13210 | ISSN: | 01904167 | DOI: | 10.1080/01904169509365021 |
Налази се у колекцијама: | Naučne i umetničke publikacije |
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