Effect of Biofertilizer on Yield and it's Components and Oil Quantity of Different Cultivars of Linseed (Linum Usitatissimum L.)

Abstract

A Field experiment was carried out during winter season 2017-2018 at research Station of Field Crops department - College of Agriculture - University of Baghdad / Al-Jadriyah to investigate the effect of bio-fertilization on yield and it's components and oil quality of different variety of linseed. Randomized complete block design arranged according to split plots used at three replicates including three locality cultivars of linseed (Syrian, Egyptian and Iraqi) at main plots and bio-fertilizers (Pseudomonas fluorescens, Azospirillum brasilense, mixture of them) and recommended chemical fertilizer (90 Kg N ha-1, 120 Kg P ha-1 and 80 Kg K ha-1) in addition to control treatment at sub plots. The results showed that the Syrian variety gave best results for number of capsules per plant (95.18), number of seeds per capsules (7.85), the seed yield (1.192 t ha-1 ), oil percentage at seed, (35.98%), linoleic acid (20.56%) and linolenic acid (49.10%), while the Egyptian variety gave highest means for weight of 1000 seeds (7.97 gm) and oleic acid (22.22%). Also, the result showed that the bio-mixture gave the best results for number of capsules per plant (95.21), number of seeds per capsules (7.90), seed yield (1.112 ton ha-1), oil percentage at seeds (35.78%) and linolenic acid (49.07%), while P. fluorescens bio-fertilizer gave highest means for weight of 1000 seeds (8.19 gm) and oleic acid (22.02%), and the control treatment gave highest percentage of linoleic acid (21.70%). The interaction between fertilizers treatment and variety was significant on all studied characters.