alexa Application of Cysteine, Methionine and Amino Acid Cont
ISSN: 2329-8863

Advances in Crop Science and Technology
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Research Article

Application of Cysteine, Methionine and Amino Acid Containing Fertilizers to Replace Urea: The Effects on Yield and Quality of Broccoli

Ghasem Shekari* and Jamal Javanmardi

Department of Horticultural Science, College of Agriculture, Shiraz University, Shiraz, Iran

*Corresponding Author:
Ghasem Shekari
Department of Horticultural Science
College of Agriculture
Shiraz University, Shiraz, Iran
Tel: 989373940978
E-mail: [email protected]

Received date: May 04, 2017; Accepted date: May 12, 2017; Published date: May 19, 2017

Citation: Shekari G, Javanmardi J (2017) Application of Cysteine, Methionine and Amino Acid Containing Fertilizers to Replace Urea: The Effects on Yield and Quality of Broccoli. Adv Crop Sci Tech 5: 283. doi: 10.4172/2329-8863.1000283

Copyright: © 2017 Shekari G, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



A greenhouse experiment was carried out to determine the influence of replacing 80% of urea in broccoli fertilization with L-cysteine and L-methionine foliar spray at two concentrations 100 and 200 mgL-1 and amino acid containing fertilizer (AA) at 750 and 1500 mgL-1 on yield, nitrate accumulation, dry weight of head, vitamin C, phenolic compounds and total acidity. Replacing 80% of urea with AA increased the total acidity significantly (P = 0.05). Elimination of 80% urea but foliar spray of cysteine (100 and 200 mgL-1), methionine (200) the percentage of dry weight significantly (P = 0.05). Urea (250 kg ha-1) plus amino acids and amino acid Alone in Comparison with control (just 50 kg ha-1 urea) increased significantly (P = 0.05) Yield. The content of vitamin C, decrease significantly (P = 0.05) by the urea (250 kg ha-1) application with amino acids. Application of amino acid containing fertilizer (750 and 1500 mgL-1) along with urea (250 kg ha-1) increased nitrate accumulation.


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