THEE BEHAVIOUR OF SOME SPRING BARLEY GENOTYPES (HORDEUM VULGARE) UNDER CONDITIONS OF IMPOSED DROUGHT
Abstract
The climatic data of the last years presents a significant growth of temperatures even in the cultivation areas of two-rowed spring barley. These intervals of drought appear especially in the period of grain formation and filling, bearing a negative impact on production, both from the qualitative and quantitative points of view. Thus, in order to simulate the drought phenomenon, the method proposed by Blum (1983), cited by Elena Petcu and colab., (2014), was used. This method consists in treating the plants with desiccants (e.g. Sodium chlorate) in a 2% concentration, 14 days after the anthesis. Thus, the cultivars that manage to translocate a greater quantity of reserve carbohydrates from the vegetative organs towards the grains, present a better stability of grain weight under conditions of hydric stress.
Copyright (c) 2018 Emanuela Filip, Florin Russu, Doru Pamfil
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