Influence of pomegranate butterfly, Virachola Livia (Klug) (Lepidoptera: Lycaenidae) infestation on chemical composition of pomegranate fruits [electronic resource]
Language: English Summary language: Arabic Description: p. 39-51Other title:- تأثير الإصابة بحشرة ابي دقيق الرمان على المكونات الكيميائية لثمار الرمان [Added title page title]
- Assiut journal of agricultural sciences, 2022 v. 53 (2) [electronic resource]
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Includes bibliographic reference
The pomegranate butterfly, Virachola livia (Klug), is one of the most important pests in
Egypt affects the quantity and quality of fruits. At the end of the season, 20 healthy fruits
and 20 infested fruits were collected from Manfaloty, Higazy and Araby cultivars to determine
the effect of infestation on some chemical compositions of pomegranate fruits (juice and peels).
Results showed that the infestation of pomegranate butterfly reduced the percentage of total
soluble solids (14.73, 13.93 and 13.90%), TSS/acidity ratio (12.42, 11.71 and 8.49%),
total sugars (12.92, 12.48 and 12.34%) and total reducing sugars (11.32, 11.03 and 10.33%)
and caused a significant increase of total titratable acidity (1.19,1.39 and 1.54) in the
infested fruits compared to the healthy fruits TSS (16.43, 16.33 and 14.37%), TSS/acidity
ratio (14.41, 14.24 and 10.97%), TS (14.88, 14.62 and 13.42%) and TRS (14.13, 13.23 and 11.19%)
and TTA (1.13, 1.26 and 1.35) of Mnafaloty, Higazy and Araby cultivars, respectively.
In addition, the infestation of this pest also affects the chemical composition of
pomegranate peels which reduced the percentage of moisture (72.96, 65.53 and 61.78%),
protein (4.52, 4.07 and 3.62%), Potassium (12.70, 10.72 and 10.01 g/kg) and caused
a significant increase in total carbohydrates (28.89, 27.27 and 12.93%),
Calcium (3.26, 3.70 and 3.95 g/kg) and pH values (3.87, 3.90 and 4.19) in the infested
fruits compared to the healthy fruits moisture (74.53, 67.08 and 62.76%), protein
(4.93, 4.28 and 4.91%), potassium (15.92, 13.16 and 12.21g/kg), total carbohydrates
(22.37, 25.51 and 12.21%), Calcium (2.59, 2.54 and 3.21g/kg) and pH values
(4.09, 3.99 and 4.46). These results show that the pomegranate butterfly
infestation affects the chemical composition of fruits and decreased the economic
importance of pomegranate. Therefore, an integrated control program must be developed
for this pest to improve the quality and quantity of pomegranate fruits and to reduce its
damage to the crop.
Keywords: Pomegranate, Virachola livia, chemical composition, cultivars.
Summary in Arabic
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