Chemisty Research Journal

A Peer Review International Journal

Effect of drought stress and gibberellin on some characteristics of wheat

Abstract Gibberellins play an important role in inducing anthesis during the vegetative growth stage in many species, including leafy vegetables such as lettuce. This phenomenon known as bolting, affects severely the yield and quality of lettuce due to stem elongation and is stimulated by both high temperatures and endogenous metabolism of gibberellic acid (GA). The field experiment was conducted in Zahak located at the sistan and balouchestan provinces of Iran. Treatments included water stress are control (a1), 10 days once (a2), 20 days once (a3) and gibberellic acid including 0 ppm (b1), 50 ppm (b2), 100ppm (b3) and 150ppm (b4). Analysis of variance showed that the effect of water stress and gibberellin on Plant height and 1000 grain weight was significant. Analysis of variance showed that the effect of water stress on harvest index was significant. The maximum of harvest index of a1 treatments were obtained and minimum of harvest index was obtained on a3 treatment.
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