Effect of three irrigation regimes on yield and some fruit characteristics of two mango cultivars [electronic resource].

Includes references.

The present work was carried out during the two seasons 2009 and 2010 to study the effect of three irrigation regimes 100% , 85 % and 70 % of Etc on yield and some physical and biochemical fruit characteristics at harvest of two mango cultivars namely Ewais and Sediek. Mango tree are growing in newly reclaimed area (sandy soil)-Behera governorate, Egypt. The results showed that the irrigation regime 85 % of Etc increased the number of retained fruits per tree, yield I tree (kg), fruit weight (g) & volume (cc), percentages of pulp weight, fruit moisture, TSS %and TSS /acid ratio of mature fruits on harvest day. Oppositly the irrigation regime 85 % of Etc caused a substantial decrease in percentages of peel weight, seed weight % and pulp firmness (lb I inch2 ), percentages of fruit dry matter content and total acidity of fruit juice on harvest day in the two studied cvs. and in the two seasons compared with irrigation regimes 100 or 70% of Etc, where there is insignificant difference between the irrigation regime 100 and 85% of Etc. On the other hand, irrigation regime 70 % of Etc caused a decrease in total yield per a tree due to suffering the mango trees from water deficit stress. However the decrease of given amount of irrigation to be 70 % of Etc had improved the fruit quality in both studied mango cultivars and in the two studied seasons. Key words: Irrigation regimes, mango trees, yield, physical and chemical of fruits.

Summary in Arabic.

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