FOLIAR APPLICATION OF POTASSIUM FERTILIZER TO REDUCE THE EFFECTS OF SALINITY IN POTATO

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MOLAHOSEINI H.; JALALI A.H.

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Journal: Iranian Journal of Field Crops Research Year:2017 | Volume:15 | Issue:1 Page(s): 204-215

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Title

FOLIAR APPLICATION OF POTASSIUM FERTILIZER TO REDUCE THE EFFECTS OF SALINITY IN POTATO

Author(s)

MOLAHOSEINI H. | JALALI A.H. | Issue Writer Certificate

Keywords

HARVEST INDEXQ1

SALINITYQ2

WATER USE EFFICIENCYQ2

YIELDQ2

Abstract

IntroductionThe potato of commerce (Solanum tuberosum L.) is an annual dicot species. It is an autotetraploid with 4x=48 chromosomes. In Iran the consumption per capita of potato is over the 35 kg. Potato production is usually done without reducing YIELD in the irrigation water SALINITY 1-2 dS m-1, but 4.2 dS m-1 SALINITY reduces YIELD by 26 percent. 10, 25 and 50 percent YIELD reduction have been reported in soil electrical conductivity 2.5, 3.8 and 5.9 dS m-1, respectively. Between the ability of plant species to maintain potassium levels and their tolerance to SALINITY is positive correlation and on this basis nutritional irregularity due to increased SALINITY can be compensated by increasing of potassium fertilizer. In tolerant plant species, during times of increased SALINITY, selective absorption of potassium increased. The ability of plants to maintain a certain level of K/Na within the cell is essential for salt tolerance and sometimes of these ratios is used as indicators of SALINITY tolerance. Potato YIELD in response to salt stress, according to a variety of uses, can be reduced from 20 to 85 percent. Harmful effects of SALINITY in the beginning stages of tubers and tuber growth stage are important, therefore, tuber number and tuber size are two important components of YIELD which may reduce in the effect of SALINITY. Accelerate the aging process of the shoot, unwanted earliness, are of the reasons for the reduction in tuber size….

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APA: Copy

MOLAHOSEINI, H., & JALALI, A.H.. (2017). FOLIAR APPLICATION OF POTASSIUM FERTILIZER TO REDUCE THE EFFECTS OF SALINITY IN POTATO. IRANIAN JOURNAL OF FIELD CROPS RESEARCH, 15(1), 204-215. SID. https://sid.ir/paper/118963/en

Vancouver: Copy

MOLAHOSEINI H., JALALI A.H.. FOLIAR APPLICATION OF POTASSIUM FERTILIZER TO REDUCE THE EFFECTS OF SALINITY IN POTATO. IRANIAN JOURNAL OF FIELD CROPS RESEARCH[Internet]. 2017;15(1):204-215. Available from: https://sid.ir/paper/118963/en

IEEE: Copy

H. MOLAHOSEINI, and A.H. JALALI, “FOLIAR APPLICATION OF POTASSIUM FERTILIZER TO REDUCE THE EFFECTS OF SALINITY IN POTATO,” IRANIAN JOURNAL OF FIELD CROPS RESEARCH, vol. 15, no. 1, pp. 204–215, 2017, [Online]. Available: https://sid.ir/paper/118963/en

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