EFFECT OF POTASSIUM AND ZINC ON GROWTH AND PHYSIOLOGICAL PARAMETERS OF TOMATO UNDER CADMIUM STRESS IN SOILLESS SYSTEM

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GHASEMI Z.; SHAHABI A.A.

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Journal: SOIL AND PLANT INTERACTIONS (JOURNAL OF SCIENCE AND TECHNOLOGY OF GREENHOUSE CULTURE) Year:2011 | Volume:1 | Issue:4 Page(s): 1-10

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Title

EFFECT OF POTASSIUM AND ZINC ON GROWTH AND PHYSIOLOGICAL PARAMETERS OF TOMATO UNDER CADMIUM STRESS IN SOILLESS SYSTEM

Author(s)

GHASEMI Z. | SHAHABI A.A. | Issue Writer Certificate

Keywords

HEAVY METALSQ3

MINERAL NUTRIENTSQ3

TOMATOQ4

PHYSIOLOGICAL PARAMETERSQ4

GROWTHQ3

Abstract

To study the effects of potassium and zinc on decreasing the cadmium (Cd) toxicity on GROWTH and PHYSIOLOGICAL PARAMETERS of TOMATO (Lycopersicon esculentum Mill.) a greenhouse experiment was conducted in a soilless system with complete randomized block factorial design. Zinc (Zn) was applied in three levels: 88.8, 177.6 and 355.2 mg L-1 as the first factor. The second factor was potassium (K) with three levels of 255, 510 and 1020 mg L-1. The base solution (Hoagland solution) contained 20 mM cadmium in all the treatments. The results showed that Zn treatments had significant effect on some GROWTH indices including RGR, RLGR, LWR, LWCA, dry weight of aerial parts and soluble sugar content. Increasing the Zn level caused 7.7, 7.7, 3.3, 4 and 31.3% decrease in RGR, RLGR, LWR, LWCA and sugar content, respectively. The K treatments had significant effects on LAR, SLA, LWR, LWCA, NAR and root fresh weight. The LAR, SLA and LWR were increased 7.7, 15.3 and 6.9%, respectively. It was concluded that Zn had synergistic effect with Cd in TOMATO, and therefore co-existence of Zn and Cd reduced crop GROWTH. Whereas, K application had antagonistic effect with Cd, and caused an increase in LAR and SLA. Interaction of K and Zn was not significantly effective on the measured parameters.

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References

THE EFFECT OF CADMIUM ON PHYSIOLOGICAL INDICES, GROWTH PARAMETERS AND NUTRIENT CONCENTRATION IN TOMATO IN SOILLESS CULTURE

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APA: Copy

GHASEMI, Z., & SHAHABI, A.A.. (2011). EFFECT OF POTASSIUM AND ZINC ON GROWTH AND PHYSIOLOGICAL PARAMETERS OF TOMATO UNDER CADMIUM STRESS IN SOILLESS SYSTEM. SOIL AND PLANT INTERACTIONS (JOURNAL OF SCIENCE AND TECHNOLOGY OF GREENHOUSE CULTURE), 1(4), 1-10. SID. https://sid.ir/paper/226307/en

Vancouver: Copy

GHASEMI Z., SHAHABI A.A.. EFFECT OF POTASSIUM AND ZINC ON GROWTH AND PHYSIOLOGICAL PARAMETERS OF TOMATO UNDER CADMIUM STRESS IN SOILLESS SYSTEM. SOIL AND PLANT INTERACTIONS (JOURNAL OF SCIENCE AND TECHNOLOGY OF GREENHOUSE CULTURE)[Internet]. 2011;1(4):1-10. Available from: https://sid.ir/paper/226307/en

IEEE: Copy

Z. GHASEMI, and A.A. SHAHABI, “EFFECT OF POTASSIUM AND ZINC ON GROWTH AND PHYSIOLOGICAL PARAMETERS OF TOMATO UNDER CADMIUM STRESS IN SOILLESS SYSTEM,” SOIL AND PLANT INTERACTIONS (JOURNAL OF SCIENCE AND TECHNOLOGY OF GREENHOUSE CULTURE), vol. 1, no. 4, pp. 1–10, 2011, [Online]. Available: https://sid.ir/paper/226307/en

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