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Paper Information

Journal:   JOURNAL OF PLANT PROCESS AND FUNCTION   SPRING 2016 , Volume 5 , Number 15; Page(s) 57 To 74.
 
Paper: 

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

 
 
Author(s):  ASADI SANAM SAMANEH, ZAVAREH MOHSEN*, PIRDASHTI HEMMATOLLAH, SEFIDKON FATEMEH, NEMATZADEH GHORBAN ALI
 
* DEPARTMENT OF AGRONOMY AND PLANT BREEDING, FACULTY OF AGRICULTURAL SCIENCES, UNIVERSITY OF GUILAN, RASHT, IRAN
 
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.

 
Keyword(s): CICHORIC ACID, PURPLE CONEFLOWER, ROOT DRY MATTER, TOTAL PHENOL
 
 
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Citations: 
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+ Click to Cite.
APA: Copy

ASADI SANAM, S., & ZAVAREH, M., & PIRDASHTI, H., & SEFIDKON, F., & NEMATZADEH, G. (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. https://www.sid.ir/en/journal/ViewPaper.aspx?id=510827



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. 2016 [cited 2021August03];5(15):57-74. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=510827



IEEE: Copy

ASADI SANAM, S., ZAVAREH, M., PIRDASHTI, H., SEFIDKON, F., NEMATZADEH, G., 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, [online] 5(15), pp.57-74. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=510827.



 
 
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