omerelsheikh

omerelsheikh

مدرس - عضو هيئة تدريس

كلية العلوم

العنوان: Sohag

1

إعجاب

المنشورات و المؤلفات التي تحتوي علي الكلمة المفتاحية: leaf area


2018-11-25 00:24:07 الكلمات المفتاحية Seedling vigor, Agroecosystem, Calotropis procera, leaf area, Germination, allelopathy,
Milkweed allelopathy in the agroecosystem
Laboratory experiments were conducted to evaluate the allelopathic effects of different concentration (5, 10, 20, 30, 40, 50%) of Calotropis procera(Aiton) W.T. leaf aqueous extractusing different indices for germination, seedling and physical growth of wheat (Triticum aestivum) and black mustard (Brassica nigra). Except for germination speed, results indicated that the extracts have such allelopathic potential which can significantly reduce the ... إقراء المزيد

2018-11-09 16:53:00 الكلمات المفتاحية caloric value, water content, leaf area, dolychoblasts, brachyblasts, phenology, energy content, rangland, forage grasses,
Growth and energy content of three forage grasses from the Middle East rangeland
This study was conducted on three naturally growing populations of the perennial grasses Panicum turgidum Forssk, Lasiurus scindicus Henrard and Pennisetum divisum Henrard in Egypt, south west Saudi Arabia and Qatar. Vegetative reproduction occurs by rhizome growth and sexual reproduction by tillering, where each tiller may end with a spike. The failure of sexual reproduction is mainly related to the ... إقراء المزيد

2018-10-01 09:01:37 الكلمات المفتاحية biomonitring, leaf area, fluctuating asymmetry,
Fluctuating asymmetry and morphological changes as an ecological indicators of heavy metal stress in Ligustrum japonicum and Olea europea.
FLUCTUATING ASYMMETRY AND MORPHOLOGICAL CHANGES AS AN ECOLOGICAL INDICATORS OF HEAVY METAL STRESS IN _LIGUSTRUM JAPONICUM_ AND _OLEA EUROPE__FLUCTUATING ASYMMETRY AND MORPHOLOGICAL CHANGES AS AN ECOLOGICAL INDICATORS OF HEAVY METAL STRESS IN LIGUSTRUM JAPONICUM_ AND _OLEA EUROPE_FLUCTUATING ASYMMETRY AND MORPHOLOGICAL CHANGES AS AN ECOLOGICAL INDICATORS OF HEAVY METAL STRESS IN _LIGUSTRUM JAPONICUM_ AND _OLEA EUROPE__FLUCTUATING ASYMMETRY AND MORPHOLOGICAL CHANGES AS ... إقراء المزيد