WATER USE EFFICIENCY OF SAFFOWER CULTIVARS UNDER DIFFERENT IRRIGATION REGIMES AND PLANT DENSITIES

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SIROUSMEHR A.; SHAKIBA MOHAMMAD REZA; AALIARI HOUSHANG; TOURCHI MAHMOUD

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Journal: JOURNAL OF AGRICULTURAL KNOWLEDGE Year:2006 | Volume:16 | Issue:3 Page(s): 113-124

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Title

WATER USE EFFICIENCY OF SAFFOWER CULTIVARS UNDER DIFFERENT IRRIGATION REGIMES AND PLANT DENSITIES

Author(s)

SIROUSMEHR A. | SHAKIBA MOHAMMAD REZA | AALIARI HOUSHANG | TOURCHI MAHMOUD | Issue Writer Certificate

Keywords

BIOLOGICAL YIELDQ3

CARTHAMUS TINCTORIUS L.Q3

ECONOMIC YIELDQ2

IRRIGATION REGIMESQ2

PLANT DENSITYQ3

WATER USE EFFICIENCYQ3

Abstract

Effect of IRRIGATION REGIMES and plant densities on WATER USE EFFICIENCY (WUE) of three safflower cultivars was investigated at the Research Station, Faculty of Agriculture ,University of Tabriz using a field experiment arranged as split plot factorial based on randomized complete block design with three replications. Four IRRIGATION REGIMES based on phonological stages, I1=irrigation up to R1, I2=irrigation up to R2, 13=irrigation up to R3 stages, and I0=control, and three varieties, V1=L.R.V 51/51, V2=Zarghan 279, and V3=Varamin 295 with two densities (D1=20 and D2=40 plants/m2) comprised the experimental factors. Analysis of variance showed that the effect of IRRIGATION REGIMES, cultivars and plant densities on WUE for grain yield was statistically significant. Mean comparison of IRRIGATION REGIMES showed that the first level of irrigation placed in second group and all the other placed in the first group. I3 level with 4172 m3/ha water use and with more WUE compared with control identified as the best level. Zarghan and L.R.V with the highest grain yield placed in the first group followed by Varamin. The highest WUE belonged to D2. WUE for BIOLOGICAL YIELD was high under IRRIGATION REGIMES I1, h. D2 showed higher WUE for BIOLOGICAL YIELD than D1. Interaction effect of IRRIGATION REGIMES x cultivar x density was significant statistically, with respect to WUE for petal yield. L.R.V under 13 and D2 with 0.21 kg petal per m3 water, showed the highest WUE for petal yield. The results of this research showed that increase in PLANT DENSITY, increased WUE markedly, because of increasing grain yield, biomass and petal yield. Meanwhile, I3 level showed an acceptable yield and WUE in this experiment.

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APA: Copy

SIROUSMEHR, A., SHAKIBA, MOHAMMAD REZA, AALIARI, HOUSHANG, TOURCHI, MAHMOUD,. (2006). WATER USE EFFICIENCY OF SAFFOWER CULTIVARS UNDER DIFFERENT IRRIGATION REGIMES AND PLANT DENSITIES. JOURNAL OF AGRICULTURAL KNOWLEDGE, 16(3), 113-124. SID. https://sid.ir/paper/28829/en

Vancouver: Copy

SIROUSMEHR A., SHAKIBA MOHAMMAD REZA, AALIARI HOUSHANG, TOURCHI MAHMOUD. WATER USE EFFICIENCY OF SAFFOWER CULTIVARS UNDER DIFFERENT IRRIGATION REGIMES AND PLANT DENSITIES. JOURNAL OF AGRICULTURAL KNOWLEDGE[Internet]. 2006;16(3):113-124. Available from: https://sid.ir/paper/28829/en

IEEE: Copy

A. SIROUSMEHR, MOHAMMAD REZA SHAKIBA, HOUSHANG AALIARI, MAHMOUD TOURCHI, an, “WATER USE EFFICIENCY OF SAFFOWER CULTIVARS UNDER DIFFERENT IRRIGATION REGIMES AND PLANT DENSITIES,” JOURNAL OF AGRICULTURAL KNOWLEDGE, vol. 16, no. 3, pp. 113–124, 2006, [Online]. Available: https://sid.ir/paper/28829/en

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