An effect of drought stress by PEG on the morphological characterizes and yields in Hull-less barley

Subject Areas : New Finding in Agriculture

Javad Einali ¹ (دانشجوی کارشناسی ارشد زراعت دانشگاه آزاد اسلامی واحد نیشابور)
Abas ali Nourinia ² (عضو هیئت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان گلستان)
GHadir Tahery ³ (دانشگاه آزاد اسلامی، واحد نیشابور، گروه زراعت و اصلاح نباتات، نیشابور، ایران)
Elyas Soltani ⁴ (محقق مرکز تحقیقات کشاورزی و منابع طبیعی استان گلستان)

Received: 2015-12-02 Accepted : 2015-12-02 Published : 2010-10-23

Keywords: Drought stress, Grain yield, hulless barley,

Abstract :

      This experiment was conducted to examine the effects of drought stress on the morphologic characterizes and yield of Hull- less barley. This research was conducted as CRD with 6 replications and 4 levels of drought stress in green house. Drought levels were check (D1) with -0.3 MP, low stress (D2) with -0.6 MP, medium drought (D3) with -0.9 MP and sever drought (D4) with -1.2 MP. Results indicated that drought stress significantly influenced on main stem length, ear length, plant high, percent of unfertile tillers, percent of fertile tillers, grain number in main ear, weight of 1000 grains and yield. Pod yields of -0.3 MP, -0.6 MP, -0.9 MP and -1.2 MP were respectively about 55, 46, 42 and 33 g per pod. While drought stress had no significantly effect on number of total tillers, main stem dry weight, tillers dry weight and leaf dry weight. 

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