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Now showing items 21-25 of 25
Effect Of Sugar Beet Seed Treatments With Some Growth Regulators On Damping Off Incidence, Total Soluble Sugars And Yield
(
Qatar University
, 1989 , Article)
Seven seed borne fungi were isolated from sugar beet seeds viz. Alternaria alternata, Helminthosponum sp., Rhizopus stolonifer, Epicoccum sp., Rhizoctonia solani, Phoma betae and Fusarium oxysporium f. sp. befae. The last ...
Functions Near Of Na-Continuity
(
Qatar University
, 1989 , Article)
In 1986, the concept of Na-continuity was initiated by Chae et al., this leads us to introduce two classes of functions, namely strongly Na-continuity and weakly Na-continuity. We characterize these new types. Several ...
Constituents of catha edulis (alkaloids, triterpenoids and related substances and saponins)
(
Qatar University
, 1989 , Article)
The study of the alkaloids of khat samples from Egypt and Yemen revealed qualitative and quantitative differences. Cathine and the dimer of cathinone occured in both samples, while norephedine was detected only in Yemen ...
Plant growth, metabolism and adaptation in relation to stress conditions. Vii. Respiration, nitrogen and proline contents in french bean and maize plants as influenced by salinity
(
Qatar University
, 1989 , Article)
Carbon dioxide production by seedlings, whole plants and leaves of French bean
and of maize showed progressively greater increases with increasing concentrations
of Na2S04 added to the basal medium. Also, in response to ...
Geology of wadi atalla - el missikat area, eastern desert, egypt.
(
Qatar University
, 1989 , Article)
Wadi Atalla-El Missikat area covers about 2,000 Km2 in the central Eastern Desert of Egypt, between latitudes 26° 10' and 26° 40' N, and longitudes 33° 15' and 33° 40' E. The area is mainly formed of basement complex except ...