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abstract in order to provide optimal yield and quality of tomato fruit (lycopersicon esculentum mill. cv. beril), different growing media for soilless culture of tomato plants were studied. seedling of tomato (lycopersicon esculentum mill, cv. beril ) were cultivated in perlite, mixture of perlite with nh4-zeolite and with raw zeolite (z:p ratio 10v:90v) and fed by two nutrient sources: a) comp...

abstract background: research studies on reproductive mechanism of laboratory animals are essential for further advancement of assisted reproductive techniques (art). one of these studies includes the assessment of in-vitro development of pre-implantation embryos. the objective was to compare the cleavage rates and morphology of in-vivo formed 2 to 8 cell embryos and blastocysts with in-vitro c...

fig trees are threatened by the attack of fig mosaic disease (fmd) on leaves and fruits caused by viruses of several genera. shoot-tip culture is a convenient method for viral sanitation. for this purpose, a reliable protocol for rapid in vitro propagation was developed with shoot-tips of three major tunisian local fig (ficus carica l.) varieties zidi (zdi), soltani (sni), bither abiadh (ba) an...

background: the optimization of bioprocess conditions towards improved growth profile and productivity yield is considered of great importance in biopharmaceutical manufacturing. peptones as efficient sources of nutrients have been studied for their effect on media development however, their role on metabolic pathway is not well understood. methods: in the present study, the effect of different...

introduction: determination of best culture medium for fertilization and development of nmri mice. material and methods: development of fertilized mature oocytes of nmri mice was studied for five days in several culture media (ksom, t6, m16, czb, g1tm ver3 and g2tm ver3) following hormone therapy with pmsg and hcg. results: the rate of fertilization after 24 hours was 97.4% in ksom, 83.5% in t6...