Effect of sowing dates and vernalization on Beta vulgaris L. cv. Univers 1. Growth and some chemical components of the leaf [electronic resource].

By: Contributor(s): Language: English Summary language: Arabic Description: p.35-40Other title:
  • تأثير مواعيد الزراعة والأرتباع على نبات بنجر السكر الصنف الزراعى يونيفرس 1-النمو وبعض المكونات الكيميائية للورقة [Added title page title]
Uniform titles:
  • Agricultural research journal, Suez Canal University, 2008 v.8(2) [electronic resource].
Subject(s): Online resources: In: Agricultural Research Journal, Suez Canal University 2008 v.8(2)Summary: This research was carried out to study the effect of three different sowing dates (15 th Oct., 15th Nov and 15th Dec.) and two vernalization treatments ( 5 °C and -20 °C ) on growth and some chemical components of Beta vulgaris L. cv. Univers leaf under Ismailia Governorate conditions. The obtained data are summarized as follows: -The highest values of plant height, number of leaves/plant, fresh and dry weight per plant, chlorophyll a, b, and a + b were shown at 15th October treatment. The contrary trend was found at 15th Dec. Furthermore, reducing sugars, total phenols and auxin like-substances were increased with 15th Dec. treatment and decreased by 15th Oct. treatment. Growth parameters, chI. a, b, a+b, a/b, reducing sugars, total phenols and auxin like-substances differed according to the used cooling treatments compared with the control. All of the used cooling treatments decreased auxin like-substances, reducing sugars at 90 days from sowing and total phenols at 90 and 120 days after sowing in comparison with the control.
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This research was carried out to study the effect of three different sowing dates (15 th Oct., 15th Nov and 15th Dec.) and two vernalization treatments ( 5 °C and -20 °C ) on growth and some chemical components of Beta vulgaris L. cv. Univers leaf under Ismailia Governorate conditions. The obtained data are summarized as follows: -The highest values of plant height, number of leaves/plant, fresh and dry weight per plant, chlorophyll a, b, and a + b were shown at 15th October treatment. The contrary trend was found at 15th Dec. Furthermore, reducing sugars, total phenols and auxin like-substances were increased with 15th Dec. treatment and decreased by 15th Oct. treatment. Growth parameters, chI. a, b, a+b, a/b, reducing sugars, total phenols and auxin like-substances differed according to the used cooling treatments compared with the control. All of the used cooling treatments decreased auxin like-substances, reducing sugars at 90 days from sowing and total phenols at 90 and 120 days after sowing in comparison with the control.

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