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Bio-enhancement effect cyanobacteria on rice seeds germination and seedling growth [electronic resource].

By:

El-Sayeda,Hassan A

Contributor(s):

Mona,Morcos M

Language: English Summary language: Arabic Description: p.5355-5365Other title:

تأثير الحث الحيوى للسيانوبكتريا على إنبات بذور الأرز وعلى نمو البادرات [Added title page title]

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Mansoura University journal of agricultural sciences, 2006 v. 31 (8) [electronic resource].

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In: Mansoura Unviersity Journal of Agricultural Sciences 2006.v.31(8)Summary: Beside their ability to fix atmospheric nitrogen, cyanobacteria are known to secrete into the surrounding medium a variety of compounds that could ameliorate or enhance seed germination and growth of rice plants. In an attempt to expound how far the tested cyanobacterial candidates could contribute to rice development, 24-48 hrs and 4 days laboratory incubation experiments in the dark were carried out where three rice cultivars (Giza 177, Giza 178 and Sakha 101) were determined for seed and seedling growth when treated with cell-free extracts (filtrates) of cyanobacterial strains namely, Anabaena .oryzae, Nostoc calcicola, MicrocfJaete tenera and Cylindrospermum muscicola, each separately.

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Beside their ability to fix atmospheric nitrogen, cyanobacteria are known to secrete into the surrounding medium a variety of compounds that could ameliorate or enhance seed germination and growth of rice plants. In an attempt to expound how far the tested cyanobacterial candidates could contribute to rice development, 24-48 hrs and 4 days laboratory incubation experiments in the dark were carried out where three rice cultivars (Giza 177, Giza 178 and Sakha 101) were determined for seed and seedling growth when treated with cell-free extracts (filtrates) of cyanobacterial strains namely, Anabaena .oryzae, Nostoc calcicola, MicrocfJaete tenera and Cylindrospermum muscicola, each separately.

Summary in Arabic.

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