دور السيلكون والبورون وحمض السالسيليك في تحسين نوعية ثمار البرتقال أبو سرة.
Abstract
The effect of foliar spray of Washington Navel Orange trees with Silicon (Si), Boron (B) and Salicylic acid (SA) on fruits quality: fruit size, V.C, TSS, TA, and total sugars were studied.
The results showed that treatment with Salicylic (50 ppm) increased fruit size (360 cm3), vitamin C content (34.35 mg/100 ml) and TSS (15.6%).
The results indicated as well, that treatment with Si (100 ppm) and its combination with Boron (Si 200 ppm+ B100 ppm) increased fruit acidity (1.18 and1.05 %) respectively, whereas, Si (100 ppm) + B (50 ppm) increased fruits total sugars (11.41%).
تمت دراسة تأثير رش أشجار البرتقال (أبو سرة) بالسيليكون ( (Siعلى شكل (سيليكات الصوديوم) وحمض السالسيليك (SA) وحمض البوريك (B) في نوعية ثمار البرتقال من حيث حجمها ومحتواها من فيتامين C والمواد الصلبة الذائبة والحموضة وكذلك نسبة السكريات.
أظهرت النتائج أن المعاملة بحمض الساليسيليك (50 ppm ) قد حققت أعلى زيادة في محتوى الثمار من فيتامين C (34.35 مغ/100 مل) و المواد الصلبة الذائبة TSS (15.6%)، وكذلك حجم الثمار (360 سم3).
كما أظهرت أن المعاملة بالسيليكون (T1:100 ppm ) والمعاملة المشتركة للسيلكون (200 ppm ) والبورون (100 ppm(T9) إلى زيادة حموضة العصير (1.05 و 1.1% على التوالي)، في حين زادت المعاملة المشتركة للسيليكون (100 ppm ) والبورون(50 ppm )(T11) محتوى الثمار من السكريات الكلية (11.4%).
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