INFLUENCE OF NITROGEN RATE AND SPLIT APPLICATION METHOD ON TUBER YIELD AND SOME QUANTITATIVE CHARACTERISTICS OF DIFFERENT POTATO CULTIVARS

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JAMI MOEINI M.; MODARES SANAVI S.A.M.; KESHAVARZ P.; SOROUSHZADEH A.; GANJALI ALI

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Journal: Journal of Horticultural Science Year:2009 | Volume:23 | Issue:1 Page(s): 46-56

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Title

INFLUENCE OF NITROGEN RATE AND SPLIT APPLICATION METHOD ON TUBER YIELD AND SOME QUANTITATIVE CHARACTERISTICS OF DIFFERENT POTATO CULTIVARS

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Keywords

POTATOQ2

SOLANUM TUBEROSUM L.Q2

NITROGENQ3

SPLIT APPLICATIONQ3

TUBER YIELDQ2

MARKETABLE YIELDQ3

SECONDARY TUBER GROWTHQ3

Abstract

To evaluate the influence of NITROGEN rate and SPLIT APPLICATION method on TUBER YIELD and other quantitative characteristics of different POTATO cultivars, a 2-yr experiment was conducted at Khorasan Razavi Agricultural and Natural Resources Research Center. Experimental treatments consisted of four NITROGEN rates (0, 90, 180 and 270 kg N ha-1) with two SPLIT APPLICATIONs (emergence and hilling stages) or three SPLIT APPLICATIONs (planting, emergence and hilling stages) and six POTATO cultivars (Fontane, Kuras, Agria, Miriam, Cosmos and Picasso) that were arranged in a randomized complete block split-split plot design. Shoot dry weight, average stem length, tuber number per plant, total TUBER YIELD, marketable TUBER YIELD (>85 g), misshapen TUBER YIELD and jumbo TUBER YIELD (>400 g) increased with the increasing of NITROGEN application. However, there was no significant difference between 180 and 270 kg N ha-1 treatments. Split N application method affected POTATO TUBER YIELDs.Maximum total and marketable TUBER YIELDs and minimum misshapen and jumbo TUBER YIELDs were obtained with two split N applications. There were significant differences between POTATO cultivars. So that, Cosmos had maximum TUBER YIELDs among POTATO cultivars. Miriam produced minimum total and marketable TUBER YIELDs.Cosmos and Picasso had the most and least misshapen TUBER YIELDs, respectively. Minimum jumbo TUBER YIELD was belonging to Kuras cultivar. The results showed that application of 180 kg N ha-1, half at emergence and half at hilling, produced the maximum total and marketable TUBER YIELDs in different POTATO cultivars.

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APA: Copy

JAMI MOEINI, M., MODARES SANAVI, S.A.M., KESHAVARZ, P., SOROUSHZADEH, A., & GANJALI, ALI. (2009). INFLUENCE OF NITROGEN RATE AND SPLIT APPLICATION METHOD ON TUBER YIELD AND SOME QUANTITATIVE CHARACTERISTICS OF DIFFERENT POTATO CULTIVARS. JOURNAL OF HORTICULTURE SCIENCE (AGRICULTURAL SCIENCES AND TECHNOLOGY), 23(1), 46-56. SID. https://sid.ir/paper/142308/en

Vancouver: Copy

JAMI MOEINI M., MODARES SANAVI S.A.M., KESHAVARZ P., SOROUSHZADEH A., GANJALI ALI. INFLUENCE OF NITROGEN RATE AND SPLIT APPLICATION METHOD ON TUBER YIELD AND SOME QUANTITATIVE CHARACTERISTICS OF DIFFERENT POTATO CULTIVARS. JOURNAL OF HORTICULTURE SCIENCE (AGRICULTURAL SCIENCES AND TECHNOLOGY)[Internet]. 2009;23(1):46-56. Available from: https://sid.ir/paper/142308/en

IEEE: Copy

M. JAMI MOEINI, S.A.M. MODARES SANAVI, P. KESHAVARZ, A. SOROUSHZADEH, and ALI GANJALI, “INFLUENCE OF NITROGEN RATE AND SPLIT APPLICATION METHOD ON TUBER YIELD AND SOME QUANTITATIVE CHARACTERISTICS OF DIFFERENT POTATO CULTIVARS,” JOURNAL OF HORTICULTURE SCIENCE (AGRICULTURAL SCIENCES AND TECHNOLOGY), vol. 23, no. 1, pp. 46–56, 2009, [Online]. Available: https://sid.ir/paper/142308/en

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