Chemotaxonomical and Palynological Studies on Nine Acacia Species Occurring in Sudan
نویسندگان
چکیده
منابع مشابه
COUSINIA PAPILLOSA, A NEW SPECIES FROM EASTERN IRAN, INCLUDING CHROMOSOME COUNT AND PALYNOLOGICAL STUDIES
Cousinia papillosa (Asteraceae) from eastern Iran is described and illustrated as a new species. Differences between the new species and its closest relative, C. meshhedensis, are discussed. A map showing the distribution of the two species is given. The scanning electron micrography of the pollen grains shows obvious differences between the two species especially in the sculpturing of exine. T...
متن کاملIdentification and Frequency Distribution of Mosquito Species in Port Sudan, Eastern Sudan
ABSTRACT Background and Objective: This descriptive study aimed to evaluate the presence and frequency distribution of mosquito species in the city of Port Sudan, Sudan. Methods: After collection of 500 adult mosquitoes from different sectors of the city Port Sudan, they were classified using the morphological keys for...
متن کاملEstimation of Browse Productivity for Acacia seyal (Delile) in Alazzazah Area, Blue Nile State, Sudan
Fodder trees and shrubs are crucial sources of animal feed in Sudan, particularly in arid and semi-arid areas. This is because they can fill up the feed gaps in the summer period when grassland growth is limited due to unfavorable weather conditions. The study was conducted in Elnour forest-southeastern Sudan in 2015, which is dominated by Acacia seyal. The objectives of this study were to esti...
متن کاملaccumulation of heavy metals (cu, zn, cd and pb) in sediment and selected organisms in lukut river, negrisembilan, malaysia, and toxocological studies of heavy metals (cu, zn, cd and pb) on penaeus monodon (fabricius, 1798) juveniles
چکیده ندارد.
15 صفحه اولAcute cadmium toxicity studies upon nine species of aquatic insects.
Continuous-flow bioassays were employed to determine 96.hour median tolerance limits (TLm), for the stonefly. Pteronnrcrllu hadia (Hagen) (TLm was 18.0 mg Cd/l) and the mayfly, Ephemerella grundis grarzdis Eaton (TLm was 28.0 mg Cd/l). Ninety-six hours TLm values for other species of aquatic insects tested were not determined, since these species were relatively insensitive to cadmium. Insects ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Plant Studies
سال: 2012
ISSN: 1927-047X,1927-0461
DOI: 10.5539/jps.v1n2p61