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Effect of designed mycoherbicide prepared from host-specific candidate, Alternaria eichhorniae on some physiological and ultrastructural characteristics of waterhyacinth






Annals of Agricultural Science Cairo 41(1): 421-443

Effect of designed mycoherbicide prepared from host-specific candidate, Alternaria eichhorniae on some physiological and ultrastructural characteristics of waterhyacinth

A comparative study on the mycoherbicidal efficacy of different alginate formulations of Alternaria eichhorniae 5 (isolate Ae5), a virulent Egyptian isolate, on water hyacinth (Eichhornia crassipes) was conducted. The fungus was formulated as alginate pellets containing mycelium alone, mycelium + culture filtrate, or culture filtrate alone. Each formulation was applied with and without a hydrophilic humectant (Evergreen 500).


Accession: 002811651



Related references

Shabana, Y., M.; Baka, Z., A.M.; Abdel-Fattah, G., M., 1997: Alternaria eichhorniae, a biological control agents for waterhyacinth: Mycoherbicidal formulation and physiological and ultrastructural host responses. The bioherbicidal efficacy of different alginate formulations of Alternaria eichhorniae 5 (isolate Ae5), a virulent Egyptian isolate, was compared on waterhyacinth (Eichhornia crassipes). The fungus was formulated as alginate pellets containing my...

Shabana, Y.M.; Elwakil, M.A.; Charudattan, R., 2000: Effect of media, light and pH on growth and spore production by Alternaria eichhorniae, a mycoherbicide agent for waterhyacinth. Alternaria eichhorniae is being developed as a bioherbicide agent for controlling waterhyacinth (Eichhornia crassipes) in Egypt. A virulent isolate, A. eichhorniae 5 (Ae5), was studied to determine the optimum media, light and pH conditions for it...

Shabana, Y.M., 2005: The use of oil emulsions for improving the efficacy of Alternaria eichhorniae as a mycoherbicide for waterhyacinth (Eichhornia crassipes). The fungus Alternaria eichhorniae isolate #5 (Ae5) is being developed as a mycoherbicide agent for controlling waterhyacinth (Eichhornia crassipes) in Egypt. Inoculum concentrations above 10% (mycelial wet weight) were all equally effective in con...

Shabana, Y.M., 1997: Formulation of Alternaria eichhorniae, a mycoherbicide for waterhyacinth, in invert emulsions averts dew dependence. Applications of the fungus, Alternaria eichhorniae, in an aqueous carrier or in three different experimental invert (water-in-oil) emulsions were evaluated for control of waterhyacinth (Eichhornia crassipes) with and without a post-treatment dew p...

Shabana, Y.M.; Baka, Z.A.M.; Abdel Fattah, G.M., 1997: Alternaria eichhorniae, a biological control agent for water hyacinth: mycoherbicidal formulation and physiological and ultrastructural host responses. The bioherbicidal efficacy of different alginate formulations of Alternaria eichhorniae 5 (isolate Ae5), a virulent Egyptian isolate, was compared on waterhyacinth (Eichhornia crassipes). The fungus was formulated as alginate pellets containing my...

Shabana, Y.M.; Charudattan, R.; Elwakil, M.A., 1995: First record of Alternaria eichhorniae and Alternaria alternata on waterhyacinth (Eichhornia crassipes) in Egypt. A total of 200 fungal isolates were collected from diseased E. crassipes in the Nile Delta, Egypt. The causal organisms were identified as A. eichhorniae (2 isolates) and A. alternata (1 isolate) and their pathogenicity was confirmed. A. eichhorni...

Shabana, Y.M.; Charudattan, R.; Elwakii, M.A., 1994: Biological control of waterhyacinth by Alternaria eichhorniae. Phytopathology 84(10): 1068

Aneja, K.R., 1996: Experimental evaluation of Alternaria eichhorniae as a biocontrol agent of waterhyacinth. Studies were carried out during 1987-93 in the states of Haryana, Indian Punjab and Delhi, India, to investigate the control of water hyacinth (Eichhornia crassipes) with the fungal pathogen Alternaria eichhorniae, and to evaluate the effects of t...

Shabana, Y.M.; Charudattan, R.; Elwakil, M.A., 1995: Evaluation of Alternaria eichhorniae as a bioherbicide for waterhyacinth (Eichhornia crassipes) in greenhouse trials. An alginate formulation of Alternaria eichhorniae (isolate Ae5) was evaluated in greenhouse trials as a bioherbicide to control waterhyacinth (Eichhornia crassipes). Pellet and powder formulations, the latter used in combination with hydrophilic s...

Shabana, Y.M.; Charudattan, R.; Elwakil, M.A., 1995: Identification, pathogenicity and safety of Alternaria eichhorniae from Egypt as a bioherbicide agent for waterhyacinth. On the basis of conidial measurements, growth characteristics, and pigmentation in culture, two of three Egyptian Alternaria spp. (isolates 3 and 5) isolated from waterhyacinth (Eichhornia crassipes) were identified as A. eichhorniae and the third...