EFFECT OF PLANTING DATE AND DENSITY ON DRY MATTER AND ANTIOXIDANT CAPACITY OF PURPLE CONEFLOWER ECHINACEA PURPUREA (L.) MOENCH ROOT

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ASADI SANAM SAMANEH; ZAVAREH MOHSEN; PIRDASHTI HEMMATOLLAH; SEFIDKON FATEMEH; NEMATZADEH GHORBAN ALI

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Journal: JOURNAL OF PLANT PROCESS AND FUNCTION Year:2016 | Volume:5 | Issue:15 Page(s): 57-74

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Title

EFFECT OF PLANTING DATE AND DENSITY ON DRY MATTER AND ANTIOXIDANT CAPACITY OF PURPLE CONEFLOWER ECHINACEA PURPUREA (L.) MOENCH ROOT

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CICHORIC ACIDQ1

PURPLE CONEFLOWERQ2

ROOT DRY MATTERQ1

TOTAL PHENOLQ1

Abstract

To find out the effect of planting date and plant density on antioxidant capacity, phenolic compounds, yield dry matter and characteristics of medicinal plant PURPLE CONEFLOWER root, a randomized complete block design in split plot arrangement with three replications was conducted in Research Farm of Sari Agricultural Sciences and Natural Resources University in 2012-2013. Experimental treatments included three planting dates (April 9, May 9 and June 8 2013) and three plant density (7, 10 and 16 plant/m/2). Measurements were performed in full bloom stage. Results of experiment showed a significant increment of penetration depth of root in 9 May with a density of 16 plant/m2. The highest root volume and dry matter were related to 8 June and 7 plant/m2. However, the highest total dry matter (130.5 g/plant) was related to the purple conflowers that planted on 9 April with 10 plantlm2. Plants grown on 8 June with a density of 7 plant/m2 resulted to the highest ratio of dry matter root to total and root to shoot. The highest CICHORIC ACID (19.5 mgl g dry matter) and TOTAL PHENOL (30.8 mg of GAEl g dry matter) content of root were observed in plants grown in 9 May with a density of 16 plant/m2. The highest amount of total flavoneid and antioxidant capacity of root were measured in coneflower plants that planted in 8 June with a density of 16 plant/m2. In conclusion, it seems that late planting date 8 June in this experiment conditions is suitable for more ROOT DRY MATTER, total flavoneid and antioxidant capacity, while planting dated 9 May was suitable for more CICHORIC ACID and phenollic content in the root of the coneflower plants. In addition, low density of 7 plant/m2 resulted in increase in ROOT DRY MATTER but decrease in CICHORIC ACID and TOTAL PHENOL content as well as antioxidant capacity in conflower roots.

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APA: Copy

ASADI SANAM, SAMANEH, ZAVAREH, MOHSEN, PIRDASHTI, HEMMATOLLAH, SEFIDKON, FATEMEH, & NEMATZADEH, GHORBAN ALI. (2016). EFFECT OF PLANTING DATE AND DENSITY ON DRY MATTER AND ANTIOXIDANT CAPACITY OF PURPLE CONEFLOWER ECHINACEA PURPUREA (L.) MOENCH ROOT. JOURNAL OF PLANT PROCESS AND FUNCTION, 5(15), 57-74. SID. https://sid.ir/paper/234167/en

Vancouver: Copy

ASADI SANAM SAMANEH, ZAVAREH MOHSEN, PIRDASHTI HEMMATOLLAH, SEFIDKON FATEMEH, NEMATZADEH GHORBAN ALI. EFFECT OF PLANTING DATE AND DENSITY ON DRY MATTER AND ANTIOXIDANT CAPACITY OF PURPLE CONEFLOWER ECHINACEA PURPUREA (L.) MOENCH ROOT. JOURNAL OF PLANT PROCESS AND FUNCTION[Internet]. 2016;5(15):57-74. Available from: https://sid.ir/paper/234167/en

IEEE: Copy

SAMANEH ASADI SANAM, MOHSEN ZAVAREH, HEMMATOLLAH PIRDASHTI, FATEMEH SEFIDKON, and GHORBAN ALI NEMATZADEH, “EFFECT OF PLANTING DATE AND DENSITY ON DRY MATTER AND ANTIOXIDANT CAPACITY OF PURPLE CONEFLOWER ECHINACEA PURPUREA (L.) MOENCH ROOT,” JOURNAL OF PLANT PROCESS AND FUNCTION, vol. 5, no. 15, pp. 57–74, 2016, [Online]. Available: https://sid.ir/paper/234167/en

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