THE EFFECT OF FIVE ROOTSTOCKS ON PHYSICAL, MECHANICAL AND CHEMICAL CHARACTERISTICS OF YASHAR FRUITS -A NEW MANDARIN- DURING RIPENING STAGES

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FATAHI MOGHADAM J.; SEYEDGHASEMI S.E.; MADANI S.

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Journal: Journal of Plant Production Research Year:2017 | Volume:24 | Issue:2 Page(s): 109-123

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Title

THE EFFECT OF FIVE ROOTSTOCKS ON PHYSICAL, MECHANICAL AND CHEMICAL CHARACTERISTICS OF YASHAR FRUITS -A NEW MANDARIN- DURING RIPENING STAGES

Author(s)

FATAHI MOGHADAM J. | SEYEDGHASEMI S.E. | MADANI S. | Issue Writer Certificate

Keywords

HARVESTING TIMEQ1

MANDARINQ1

ROOTSTOCKQ2

YASHARQ2

Abstract

Background and Objectives: According to a breeding program (1989-2009) carry out in Citrus and Subtropical Fruits Research Center of Iran, YASHAR MANDARIN was created from crossing between Minneola tangelo and Changsha MANDARINs. Based on previous investigations, we found that YASHAR might be a late ripening variety on Sour orange. The quality of this new variety on different commercial ROOTSTOCKs did not study yet, completely. Therefore, the aim of this study was to investigate the YASHAR physico-chemical and mechanical characteristics on five commercial ROOTSTOCKs during two years.Materials and Methods: In this study, the effect of five ROOTSTOCK (Sour orange, Poncirus, Citromelo, Citrange and Flaying dragon) on YASHAR fruit quality investigated for two years during ripening. YASHAR fruit was sampled at last January to early of March period every two weeks (4 times). Various physico-chemical and mechanical characteristics evaluated including fruit lenght, width, thickness; arithmetic, geometric, equivalent and harmonic means; fruit aspect ratio, sphericity, surface area, true volume, apparent volume, volume error, density, peel and pulp firmness, peel thickness, weight, juice percentage, seed number, peel color indices (L*, a*, b*, hue angle, chroma and CCI), total soluble solid (TSS), titratable acidity (TA), technological index (TI), pH, electrical conductivity (EC), total phenol, ascorbic acid and antioxidant capacity during experiment.Results: The results showed that fruit length, width and thickness of YASHAR had not significantly differences on five ROOTSTOCK. Although fruit density showed an increasing trend during the harvest time but YASHAR fruit density on Sour orange was lower than other ROOTSTOCKs.Arithmetic and geometric means of fruits on all ROOTSTOCKs were closer to equivalent mean as a really diameter. Variables such aspect ratio, sphericity (1.16), surface area, true volume and apparent volume were higher on Flying dragon than other ROOTSTOCKs (P<0.05). The fruit volume error was more negative (-13.22%) on Sour orange than other four ROOTSTOCK. The peel and pulp firmness of fruits grown on Sour orange was higher with 9.28 and 5.29 N respectively. YASHAR on Flying dragon produced difficult peeling fruit with more seed content. YASHAR with juice percentage content about 50, had also the higher technological index. Based on CCI, fruits on all five ROOTSTOCKs were not necessary to de-greening at harvest time. According to TSS: TA, YASHAR fruit on Sour orange, Citrange and Poncirus can harvested in mid-February (6.92), half of March with 7.22 and 7.1, respectively. Antioxidant and bioactive compounds (phenol and ascorbic acid) of YASHAR were increasing during ripening.Conclusion: Generally, in cold-risk areas such as northern of Iran, commercial widespread of YASHAR not recommended on all five ROOTSTOCKs. Based on juice percentage and TI data, the amount of juice with about 50% was higher than other citrus varieties. Aspect ratio of YASHAR on Flying dragon was high (P<0.05) that sphericity confirms it with 16.1 value. Although, the more negative volume error on Sour orange showed that this ROOTSTOCK produced fruits with empty space inside the fruit skin and flesh, but peel and pulp resistance was higher on Sour orange. Moreover, YASHAR had higher levels of antioxidant compounds than other varieties that reveals high nutritional value of this MANDARIN. Totally, citrus growers can be uses Sour orange ROOTSTOCK in the western and Citrange ROOTSTOCK in the eastern areas of the north of Iran.

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APA: Copy

FATAHI MOGHADAM, J., SEYEDGHASEMI, S.E., & MADANI, S.. (2017). THE EFFECT OF FIVE ROOTSTOCKS ON PHYSICAL, MECHANICAL AND CHEMICAL CHARACTERISTICS OF YASHAR FRUITS -A NEW MANDARIN- DURING RIPENING STAGES. JOURNAL OF PLANT PRODUCTION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), 24(2), 109-123. SID. https://sid.ir/paper/155727/en

Vancouver: Copy

FATAHI MOGHADAM J., SEYEDGHASEMI S.E., MADANI S.. THE EFFECT OF FIVE ROOTSTOCKS ON PHYSICAL, MECHANICAL AND CHEMICAL CHARACTERISTICS OF YASHAR FRUITS -A NEW MANDARIN- DURING RIPENING STAGES. JOURNAL OF PLANT PRODUCTION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES)[Internet]. 2017;24(2):109-123. Available from: https://sid.ir/paper/155727/en

IEEE: Copy

J. FATAHI MOGHADAM, S.E. SEYEDGHASEMI, and S. MADANI, “THE EFFECT OF FIVE ROOTSTOCKS ON PHYSICAL, MECHANICAL AND CHEMICAL CHARACTERISTICS OF YASHAR FRUITS -A NEW MANDARIN- DURING RIPENING STAGES,” JOURNAL OF PLANT PRODUCTION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), vol. 24, no. 2, pp. 109–123, 2017, [Online]. Available: https://sid.ir/paper/155727/en

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