Effects of Vanadium on Rice Growth and Vanadium Accumulation in Rice Tissues

Name: Boonhong Chongkid

Organization : Thammasat University. Faculty of Science and Technology. Department of Agricultural Technology

Name: Naramol Vachirapattama

Organization : Thammasat University. Faculty of Science and Technology. Department of Chemistry

Name: Yaowapha Jirakiattikul

Organization : Thammasat University. Faculty of Science and Technology. Department of Agricultural Technology

keyword: vanadium

; hydroponic culture

; Mckeehen’s nutrient solution

; rice growth

Abstract: The experiment on effects of vanadium on rice growth in hydroponic culture with the Mckeehen’s nutrient solution formulae was conducted during September 5 to January 3, 2005 at the Department of Agricultural Technology, Thammasat University, Rangsit Campus, Thailand. Vanadium of 80 mg/l caused the lowest stem height, stem diameter, fresh and dried stem weights, and fresh and dried root weights of 84.21 cm., 1.98 cm., 24.44 and 9.61 g, and 20.59 and 1.47 g, respectively. Without Vanadium, a tendency to give the longest root of 48.85 cm, the highest number of panicles per hill of 11.00, the highest number of seeds per panicle of 222.18, the highest weight of seeds per hill of 58.55 g, and the highest 100-seed weight of 2.40 g were obtained. The two vanadium concentrations of 40 and 80 mg/l, however, caused death to the rice plant before the flowering stage. The vanadium concentrations were found in the root > leafy stem > seed, respectively.

Kasetsart University. Office of the University Library

Address: BANGKOK

Email: tdckulib@ku.ac.th

Created: ม.ค.-ธ.ค. 2550

Modified: 2011-06-06

Issued: 2009-09-01

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วิทยาสารเกษตรศาสตร์ (วิทยาศาสตร์), 41(5) หน้า 28-33

eng

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