EFFECT OF DROUGHT STRESS AND BIO-FERTILIZER ON FLOWER YIELD, PHOTOSYNTHESIS PIGMENTS AND PROLINE CONTENT OF MARIGOLD (CALENDULA OFFICINALIS L.)

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JAFARZADEH L.; OMIDI H.; BOSTANI A.A.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS Year:2013 | Volume:29 | Issue:3 (61) Page(s): 666-680

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Title

EFFECT OF DROUGHT STRESS AND BIO-FERTILIZER ON FLOWER YIELD, PHOTOSYNTHESIS PIGMENTS AND PROLINE CONTENT OF MARIGOLD (CALENDULA OFFICINALIS L.)

Author(s)

JAFARZADEH L. | OMIDI H. | BOSTANI A.A. | Issue Writer Certificate

Keywords

CALENDULA (CALENDULA OFFICINALIS L.)Q2

DROUGHT STRESSQ2

BIO- FERTILIZERQ1

AZOTOBACTERQ2

EXTRACTQ2

PHOTOSYNTHESIS PIGMENTS CONTENTQ2

Abstract

To investigate the effect of DROUGHT STRESS and bio-fertilizer (nitrogen) on flower yield, yield components, photosynthesis pigments and proline content of Calendula (Calendula officinalis L.), a study was performed at Shahed University Agricultural Research Station, located 30 km south of Tehran. A split-plot experiment was conducted in randomized complete block design (RCBD) with three replications in cropping years of 2010-2011. Drought, as the main factor, included soil water potential (SWP) of 0.5 atm and equal to field capacity (FC) as control, SWP of 3.5 atm as moderate stress, SWP of 6.5 atm as relatively sever stress, and SWP of 10 atm as severe stress and was applied to the four-leaf stage. Application of bio-fertilizer (nitrogen) as sub factor including control, 2 liters/ha bio fertilizer (nitrogen) with water irrigation and inoculation of 2 liters/ha bio-fertilizer (nitrogen) with seed treatment), were considered in subplots. Results showed that drought, application of bio fertilizer (nitrogen) and its interaction had a significant effect (P£0.01) on plant height, flower yield, photosynthesis pigment content, proline content, and flower EXTRACT percentage. The highest flower yield (574.46 kg.ha-1) and yield of flower EXTRACT (22.79%) were obtained at a soil water potential (SWP) of 0.5atm (FC).Also, the highest plant height (27.11cm) and photosynthesis pigment contents (17.59 mg/g) were obtained under moderate stress (SWP of 3.5atm). Proline content under optimum irrigation (SWP of 0.5atm or FC) was 47% lower than that of relatively severe stress (SWP of 6.5atm). Based on the results, the highest plant height, flower yield, proline content and yield of flower EXTRACT were obtained from inoculation of bio-fertilizer (nitrogen) with seed treatment. In generall, results showed that calendula along with application of two liters/ha bio-fertilizer (nitrogen) with seed inoculation can tolerate relatively severe levels of drought (SWP of 6.5 atm).

Cites

INFLUENCE OF DROUGHT STRESS, BIOFERTILIZERS AND ZEOLITE ON MORPHOLOGICAL TRAITS AND ESSENTIAL OIL CONSTITUENTS IN DRACOCEPHALUM MOLDAVICA L.

References

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APA: Copy

JAFARZADEH, L., OMIDI, H., & BOSTANI, A.A.. (2013). EFFECT OF DROUGHT STRESS AND BIO-FERTILIZER ON FLOWER YIELD, PHOTOSYNTHESIS PIGMENTS AND PROLINE CONTENT OF MARIGOLD (CALENDULA OFFICINALIS L.). IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS, 29(3 (61)), 666-680. SID. https://sid.ir/paper/105439/en

Vancouver: Copy

JAFARZADEH L., OMIDI H., BOSTANI A.A.. EFFECT OF DROUGHT STRESS AND BIO-FERTILIZER ON FLOWER YIELD, PHOTOSYNTHESIS PIGMENTS AND PROLINE CONTENT OF MARIGOLD (CALENDULA OFFICINALIS L.). IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS[Internet]. 2013;29(3 (61)):666-680. Available from: https://sid.ir/paper/105439/en

IEEE: Copy

L. JAFARZADEH, H. OMIDI, and A.A. BOSTANI, “EFFECT OF DROUGHT STRESS AND BIO-FERTILIZER ON FLOWER YIELD, PHOTOSYNTHESIS PIGMENTS AND PROLINE CONTENT OF MARIGOLD (CALENDULA OFFICINALIS L.),” IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS, vol. 29, no. 3 (61), pp. 666–680, 2013, [Online]. Available: https://sid.ir/paper/105439/en

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