Several etiological and epidemiological studies have been undertaken to determine the disease causal agent and the mechanism of spread of Cassava brown streak disease (CBSD). Until recently, two distinct potyviruses have been reported to cause the disease. These are Cassava brown streak virus (originated in Tanzania but most widely spread) and Ugandan Cassava brown streak virus (reported in Uga...

The present study was carried out to screen and evaluate antimicrobial activity of leaf extracts of Azadirachta indica A. Juss. Petroleum ether, dichloromethane, chloroform, ethanol and aqueous extract of leaves of A. indica were tested against selected Gram positive and Gram negative bacterial species. Phytochemical leaf extracts of A. indica exhibited significant anti-bacterial activity again...

Halophilic bacteria are that can survive in environments with high salt levels, one of which is ponds. Therefore, it necessary to research determine the morphology halophilic for further use identification bacterial species. This study aimed colony and types gram bacteria. Isolation was carried out using scatter method. Bacterial purification by streak method, then staining were cell shape The ...

Rice ( Oryza sativa ) is a water-intensive crop, and like other plants uses stomata to balance CO 2 uptake with water-loss. To identify agronomic traits related rice stomatal complexes, an anatomical screen of 64 Thai 100 global cultivars was undertaken. Epidermal outgrowths called papillae were identified on the subsidiary cells all cultivars. These also detected eight species genus but not an...

in recent years, symptoms of a viral disease including streak mosaic, leaf blade malformation, and thickness (scrawniness) of raceme have been observed in the vast areas of grain fields in golestan province. in order to identify the causes of this disease, detection of wheat streak mosaic virus (wsmv) in cultivated hosts including wheat, dominant weeds of fields involving barnyardgrass (echinoc...