Extracts from cells of rhodospirillum rubrum cultured photohetero- trophically under anaerobic conditions exhibits an NAD+-dependent , soluble aldehyde dehydrogenase which catalyses the dehydrogena...

Six species of vincetoxicum von wolf are...

The Libyan material of pennisetum divisum sensu lato and P. setaceum (Forssk.) chiov was studied embryologically , both the species demonstratd facultative apomixes. The frequency of apomictic and mul...

Fossil dicotyledonous wood belonging to genus cynometra of family leguminosate and genus Pterocarya of family juglandaceae are described. Two new species cynometroxylon ranikotensis sp. Nov., pteroca...

Residual toxicity of prometryne and fluometuron was assayed in six different soils after three months of herbicidal treatment . the persistence of herbcides varied in different soils, fluometuron w...

Nitrogen concentration increased in the shoot of young rice seedlings fed with N15 and 14CO2 but it decreased in N-starved roots . the assimilation of 14CO2 was limited in N-starved plants compare...

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