The influence of drought and the application of 24-epibrassinolide on the formation of dry matter and yield in wheat

Hnilička, František and Hniličková, Helena and Martinková, Jaroslava and Bláha, Ladislav (2007) The influence of drought and the application of 24-epibrassinolide on the formation of dry matter and yield in wheat. Cereal Research Communications, 35 (2). pp. 457-460. ISSN 0133-3720

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Abstract

Winter wheat varieties: Ebi, Estica, Samanta were grown in three experimental variants (control, drought stress and high temperature, stress and the application of 24-epibrassinolide). The plants were monitored for the weight of the dry matter and the straw and grain yields. The stressors were found to have a negative effect on the amount of dry matter in the above-ground wheat biomass and the yield of grain and straw. Drought and high temperature lowered the amount of dry matter in the grain and straw in all varieties. For all monitored varieties the application of 24-epibrassinolide reduced the negative effect of the monitored stressors. The best reaction to the application of 24-epibrassinolide was seen in the variety Estica, the worst in the variety Samanta. Of the varieties monitored the variety Samanta exhibited the tolerance to drought and high temperatures. On the contrary Ebi is a sensitive variety.

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