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Now showing items 101-110 of 113
Screening Of Some Fungi For Uricolytic Activity
(
Qatar University
, 1996 , Article)
Twenty nine species of fungi have been tested for their uricase activity. Only twenty two species of them have the ability to produce uricases.
Most of the uncapable fungi to produce uricases belong to Basidiomycotina. ...
Antibacterial and antidermatophyte activities of some essential Oils from spices
(
Qatar University
, 1993 , Article)
The inhibitory effects of ten essential oil from different spices against the growth of various isolates of bacteria representing Gram-positive (seven isolates) and Gram-negative (four isolates) were studied. Eight ...
Studies on growth and chemical composition of tobacco varieties. IV - comparative effects of various combinations of fertilizers on economic potentialities of tobacco plants
(
Qatar University
, 1987 , Article)
In two experiments, tobacco plants were treated with various combinations of ammonium nitrate (23% N) and compound C (3.5% N, 23% P and 16% K). At all levels used in experiment I, stem length and number of leaves were ...
Role of Proteinases in the Degradation of the Major Storage Proteins of Linseed Germinating Seeds
(
Qatar University
, 1999 , Article)
The proteolytic activities of the germinating linseed using casein, azocoll and linseed globulin as substrates showed a steady increase until 48 hr of germination, followed with a rapid increase to reach a peak after 3 ...
Fluometuron Induced Growth, Chemical And Photosynthetic Changes In Chlorella Vulgaris
(
Qatar University
, 1988 , Article)
Presence of fluometuron at different concentrations in the culture medium of Chlorella vulgaris induced pronounced inhibition in the growth rate and dry weight of the alga throughout the experimental period. Furthermore, ...
Air-Borne Fungi Of Wheat Fields In Egypt
(
Qatar University
, 1983 , Article)
The air borne fungi of wheat fields in El-Minya Governorate were studied during the periods January-May 1977 and December 1977-May 1978 using the plating catch method on 1% glucose and 50% sucrose-Czapek's agar. Fifty-two ...
Seasonal Fluctuation Of Non-Rhizosphere Soil Fungi In Wheat Fields In Egypt
(
Qatar University
, 1983 , Article)
The study aims at intensive survey of fungal floras of non-rhizospheric soil in wheat fields in El-Minya Governorate over the periods December 1976 - May 1977 and December 1977 - May 1978.
At 28°C, using 1% glucose-Czapek's ...
أسماء النباتات اللاتينية ذوات الأصول العربية
(
Qatar University
, 1986 , Article)
Mycoflora And Mycotoxins Of Corned Beef
(
Qatar University
, 1995 , Article)
Sixty species and 5 varieties belonging to 21 genera of fungi were collected from 20 corned beef samples . The average total counts of fungi ranged from 56 -236,47-275 and 39-202 colonies /g on glucose - 10% NAC1 - glucose ...
Effect of gamma radiation on the morphology and Thermophysical properties of the pollen wall of Phoenix dactylifera L.
(
Qatar University
, 1994 , Article)
Pollen grains of Phoenix dactylifera were exposed to different doses of gamma radiation (250,500,1000 rad and 1 M rad). To access the effect of radiation on the external morphology of the pollen grains, they were examined ...