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IJAIR NAAS Score : 3.99 (2016 - 2020)
"Submissions Open For Vol. 14,Issue 6, May - June, 2026"
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IJAIR NAAS Score : 3.99 (2016 - 2020)
"Submissions Open For Vol. 14,Issue 6, May - June, 2026"
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IJAIR NAAS Score : 3.99 (2016 - 2020)
"Submissions Open For Vol. 14,Issue 6, May - June, 2026"
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The Potential Role of Molybdenum Treatment on The Residual Effect of Both Nitrate and Nitrite Levels in Navel Orange Fruits
- G.F. Abd El-Rahman; Kh. El Awamry Zeinub
- This investigation was implemented during (2012/2013) and (2013/2014) seasons on navel orange trees (Citrus sinensis L.) to study the effect of molybdenum (Mo) treatment on the residual effect of both nitrate and nitrite in navel orange fruits. Molybdenum can reduce nitrate to ammonium in plants and transform it to amino acids and eventually proteins. According to the World Health Organization (WHO) the acceptable daily intake for nitrate is 0–3.7 mg•kg−1 body weight. The study involved two experiments in different two locations, the first was carried out in a private orchard located in El- kalubia governorate, on trees budded on sour orange rootstock (Citrus aurantium), grown in a clay soil under flood irrigation. The second was done in a private orchard located in El- Bustan county, El Behera Governorate where the trees were budded on Volkamer lemon rootstock (Citrus volkameriana, Ten of pasq.), grown in a sandy soil under drip irrigation system. Trees in both two experiments were subjected to four treatments, control (untreated), and foliar sprays with ammonium molybdate at (0.2, 0.4 and 0.6 %) at three weeks before harvest. Obtained results indicated that, foliar application with ammonium molybdate at 0.2% was the best treatment for achieving the lowest fruit juice content of nitrite and nitrate, increasing fruit juice protein content, fruit weight, juice weight %,T.S.S/Acid and Vitamin C. Fruits of navel orange trees in El- kalubia region had lower residual effect of both nitrate and nitrite and it had higher fruit quality than the other fruits taken from El- Bustan region. It is recommended to adopt foliar application of molybdenum for other crops before crop harvest especially vegetables that having high concentrations of nitrate and nitrite due to continuous additives of fertilizers which cause risks to human body health.
- Select Volume / Issue:
- Year:
- 2016
- Type of Publication:
- Article
- Keywords:
- Navel Orange; Nitrate; molybdenum; Protein and Fruit Quality
- Journal:
- IJAIR
- Volume:
- 4
- Number:
- 4
- Pages:
- 777-783
- Month:
- January
- ISSN:
- 2319-1473
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