The Effect of Foliar Application of Growth Stimulants and Priming on Yield and Grain Oil Content of Flax (Linum usitatissimum L.)

Subject Areas : Journal of Crop Ecophysiology

Mahmoud  Pouryousef Miandoab ¹ (Associate Prof., Department of Agronomy and Agro-ecology, Urmia Branch, Islamic Azad University, Urmia, Iran)
Farnaz  Esmaeilzadeh ² (Department of Agronomy, Mahabad Branch, Islamic Azad University, Mahabad, Iran)

Received: 2015-12-22 Accepted : 2016-12-23 Published : 2017-02-19

Keywords: Seed yield, auxin, GA, Seed oil percent,

Abstract :

To investigate the effect of foliar application of plants with growth stimulants and seed priming on yield and seed oil content of flax, a factorial experiment was conducted at the Saatlo Agricultural and Natural Resources Research Center of West Azarbaijan based on a randomized complete block design with three replication in 2015. The first factor was two varieties of flax seed (yellow, white flowered and brown, purple flowered), the second factor was seed priming consisted of 3 levels (control, hydro-priming and priming with Auxin + GA) and the third factor was foliar application of growth stimulants with three levels (control, Auxin and GA). The results showed that effect of seed priming was significant on all traits except pod weight, thousand seed weight and seed oil percent. Foliar application of plants with growth stimulants were also, significant on plant height, seed number/plant, pod weight, biological yield, seed yield and grain oil percent. Interaction of cultivar and priming on seed weight and seed yield and also on cultivar with foliar application were significant on plant height and pod weight and seed oil percent. Interaction of priming and foliar application on plant height, number of branches, number of pods/plant, pod weight, seed yield and seed oil percent was also observed. Brown purple flowering flax cultivar had higher seed yield and seed oil percent as compared with yellow white flowering flax seed. Seed priming and foliar application of plants with growth stimulants, and seed priming with Auxin + GA along with foliar application of GA produced highest seed yield and seed oil percent, as compared with other treatments.

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