Nickel-enriched seed and externally supplied nickel improve growth and alleviate foliar urea damage in soybean
- First Online:
- 546 Downloads
Background and aims
The importance of seed Ni reserves for plant growth and N metabolism is poorly understood. This study investigated the effects of both seed Ni and externally supplied Ni on the impact of foliarly-applied urea and N-nutritional status of soybean.
Soybean seeds were produced by growing plants in nutrient solutions containing different Ni levels, and their urease activities were measured. Plants were then grown from these seeds with or without external Ni. After treating half of the plants with foliar urea, the urea damage symptoms, elongation rates and chlorophyll concentrations were followed over one week. Biomass and mineral concentrations of different plant parts were determined.
Nickel supply at increasing rates improved seed yield by up to 25 %. Seeds with Ni concentrations varying between 0.04–8.32 mg.kg−1 were obtained. Depending on the Ni concentration, the seed urease activities differed up to 100-fold. Leaf damage due to foliar urea spray was significantly alleviated by higher seed Ni as well as external Ni supply. Higher Ni also promoted shoot elongation and improved chlorophyll concentrations. Nickel was 10-times more concentrated in the youngest part than in older leaves. In the absence of foliar urea, Ni enhanced the N concentration of the growing part of the shoot by up to 30 %.
A better utilization of foliarly-applied urea-N is achieved in soybean when adequate Ni is supplied to plants by seed reserves and/or externally. High seed Ni levels are also required for preventing foliar urea damage and improving N remobilization.
KeywordsFoliar urea Nitrogen Seed nickel Soybean Urease
- Bachchhav MB, Hapase DG, Patil AO, Ghure TK (1978) Chemical control of sugarcane rust. Sugarcane Pathol New 20:33–35Google Scholar
- Bybordi A, Gheibi MN (2009) Growth and chlorophyll content of canola plants supplied with urea and ammonium nitrate in response to various nickel levels. Not Sci Biol 1(1):53–58Google Scholar
- Checkai RT, Norvell WA, Welch RM (1986) Investigation of nickel essentiality in higher plants using a recirculating resin-buffered hydroponic system. Agron Abst 195Google Scholar
- Forsyth FR, Peturson B (1959) Chemical control of cereal rust. IV. The influence of Ni compounds on wheat, oat and sunflower rusts in greenhouse. Phytopathology 49:1–3Google Scholar
- Gerendas J, Zhu Z, Sattelmacher B (1998) Influence of N and Ni supply on nitrogen metabolism and urease activity in rice (Oryza sativa L.). J Exp Bot 49(326):1545–1554Google Scholar
- Gooding MJ, Davies WP (1992) Foliar urea fertilization of cereals: a review. Nutr Cycl Agroecosys 32(2):209–222Google Scholar
- Graham RD, Welch RM, Walker CD (1985) A role of nickel in the resistance of plants to rust. Proc. Third Aust. Agron. Conf. 30 Jan–1 Feb 1985. Australian Society of Agronomy, Hobart, AustraliaGoogle Scholar
- Kim H, Maier RJ (1990) Transcriptional regulation of hydrogenase synthesis by nickel in Bradyrhizobium japonicum. J Biol Chem 265(31):16729–16732Google Scholar
- Nicoulaud BAL, Bloom AJ (1996) Absorption and assimilation of foliarly applied urea in tomato. J Amer Soc Hort Sci 121:1117–1121Google Scholar
- Nicoulaud BAL, Bloom AJ (1998) Nickel supplements improve growht when foliar urea is the sole nitrogen source for tomato. J Amer Soc Hort Sci 123(4):556–559Google Scholar
- Nielsen FH (1984) Fluoride, vanadium, nickel, arsenic, and silicon in total parenteral nutrition. B New York Acad Med 60(2):177–195Google Scholar
- Penney D (2004) The micronutrient and trace element status of forty-three soil quality benchmark sites in Alberta. AESA Soil Quality Monitoring Program; Alberta Agriculture, Food and Rural Development; Conservation and Development Branch; EdmontonGoogle Scholar
- Rahmatullah BZ, Salim M, Hussain K (2001) Nickel forms in calcareous soils and influence of Ni supply on growth and N supply of oats grown in soil fertilized with urea. Int J Agric Biol 3(2):230–232Google Scholar
- Shimada N, Ando T (1980) Role of nickel in plant nutrition. (II). Effect of nickel on the assimilation of urea bu plants. Jpn J Soil Sci Plant Nutr 51:493–496Google Scholar
- Shimada N, Ando T, Tomiyama M, Kaku H (1980) Role of nickel in plant nutrition. (I). Effects of nickel on growth of tomato and soybean. Jpn J Soil Sci Plant Nutr 51:487–492Google Scholar
- Wood BW, Reilly CC, Nyczepir AP (2004) Mouse-ear of pecan: a nickel deficiency. HortSci 39(6):1238–1242Google Scholar