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.

 

Abstract

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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