EFFECTS OF WATER DEFICIT STRESS AND PLANT DENSITY ON YIELD AND SOME MORPHOLOGICAL TRAITS OF AUTUMN-SOWN SAFFLOWER CULTIVARS

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SIROUSMEHR A.R.; SHAKIBA MOHAMMAD REZA; AALIARI HOUSHANG; TOURCHI MAHMOUD; DABAGH MOHAMMADINASAB A.

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Journal: Year:2008 | Volume:21 | Issue:1 (78 IN AGRONOMY AND HORTICULTURE) Page(s): 80-87

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Title

EFFECTS OF WATER DEFICIT STRESS AND PLANT DENSITY ON YIELD AND SOME MORPHOLOGICAL TRAITS OF AUTUMN-SOWN SAFFLOWER CULTIVARS

Author(s)

Keywords

CARTHAMUS TINCTORIUS L.Q3

MORPHOLOGICALQ3

TRAITSQ2

PLANT DENSITYQ2

WATER DEFICIT STRESSQ3

YIELDQ3

Abstract

In order to investigate the effect of water deficit on YIELD and plant type characteristics of safflower an experiment was conducted at research station of Agriculture Faculty University of Tabriz. Withhelding irrigation on three phonological stages (I2=irrigation up to R3 (flowering), I3=irrigation up to R2 (secondary branches appear on leaf axils) and I4= irrigation up to R1 (terminal bud forms about 0.25 inches in diameter)) along with control (I1) was constituted the main factor and three Safflower cultivars (V1=L.R.V51/51, V2=Zarghan 279 and V3=Varamin 295) with two densities (D1=20 and D2=40 plants.m-2) were considered as sub factor in a split - plot factorial arranged in RCBD with 3 replications.Results showed that Zarghan with 4201.4 and 3767 kg/ha produced the highest grain YIELD under II and I2 irrigation treatments. D2 with 2806.4 kg/ha produced the highest grain YIELD. Number of branches on 2nd group, plant height and stem diameter was not affected by treatments. Varamin, and LRV produced the highest number of branches, 13 and 11 respectively, on group one under I1, irrigation level. D1 produced the highest number of branches, of equal to 10, in group one number of leaf and capitul per plant. The angle between 2nd, 3rd, and 4th branches of group one with main stem from top of the plants was measured. Cultivar x density interaction for 3rd branch angle was significant in which Zarghan in 40 and LRV in 20 plants/m2 with 43o were shown the highest 3rd branch angles. Furthermore, the highest fourth branch angle was shown by L.R.V and Zarghan with 40o in I1, followed by Vararnin with 31o. Under 12 treatments, L.R.V with 43o displayed the highest fourth branch angle.

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APA: Copy

SIROUSMEHR, A.R., SHAKIBA, MOHAMMAD REZA, AALIARI, HOUSHANG, TOURCHI, MAHMOUD, & DABAGH MOHAMMADINASAB, A.. (2008). EFFECTS OF WATER DEFICIT STRESS AND PLANT DENSITY ON YIELD AND SOME MORPHOLOGICAL TRAITS OF AUTUMN-SOWN SAFFLOWER CULTIVARS. PAJOUHESH-VA-SAZANDEGI, 21(1 (78 IN AGRONOMY AND HORTICULTURE)), 80-87. SID. https://sid.ir/paper/19534/en

Vancouver: Copy

SIROUSMEHR A.R., SHAKIBA MOHAMMAD REZA, AALIARI HOUSHANG, TOURCHI MAHMOUD, DABAGH MOHAMMADINASAB A.. EFFECTS OF WATER DEFICIT STRESS AND PLANT DENSITY ON YIELD AND SOME MORPHOLOGICAL TRAITS OF AUTUMN-SOWN SAFFLOWER CULTIVARS. PAJOUHESH-VA-SAZANDEGI[Internet]. 2008;21(1 (78 IN AGRONOMY AND HORTICULTURE)):80-87. Available from: https://sid.ir/paper/19534/en

IEEE: Copy

A.R. SIROUSMEHR, MOHAMMAD REZA SHAKIBA, HOUSHANG AALIARI, MAHMOUD TOURCHI, and A. DABAGH MOHAMMADINASAB, “EFFECTS OF WATER DEFICIT STRESS AND PLANT DENSITY ON YIELD AND SOME MORPHOLOGICAL TRAITS OF AUTUMN-SOWN SAFFLOWER CULTIVARS,” PAJOUHESH-VA-SAZANDEGI, vol. 21, no. 1 (78 IN AGRONOMY AND HORTICULTURE), pp. 80–87, 2008, [Online]. Available: https://sid.ir/paper/19534/en

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