Abstract
Beauveria bassiana (Balsamo) Vuill. is an entomopathogenic fungi can live endophytic on different kinds of plants. B. bassiana also play a role as growth promoters that improves seed germination and growth of plant. The effect of increased duration of seed treatment with Beauveria bassiana on seed germination and seedling parameters in chili were assessed in laboratory and field conditions. Chili seeds were soaked in the conidial suspension of B. bassiana in a concentration of 1 x 108 conidial / ml or in sterile distilled water for 3, 6, 9, and 12 h. Seed germination percentages and the vigor index were significantly affected by the application of B. bassiana. Overall, seed germination, the vigor index and plant growth of chili were significantly enhanced as seed treatment duration increased. B. bassiana can also accelerate seed germination of chili and increase of seedling growth. Soaking the seeds with a B. bassiana suspension for 9 hours is the best time to increase of seed germination and seedling growth of chili
Highlights
Beauveria bassiana (Bals.) Vuill. (Hypocreales: Cordycipitaceae) is one of the entomopathogenic fungi that has received great attention and has been used for pest control in various plant commodities (Tanada and Kaya, 1993; Zafar et al, 2016)
An increase in the germination of seeds after the application of B. bassiana can be caused by the fungus ability. in producing phytohormones that stimulate seed germination
Soaking the seeds of chili with B. bassiana conidia suspension for 9 -12 hours produces the best seed germination compared to the others
Summary
Beauveria bassiana (Bals.) Vuill. (Hypocreales: Cordycipitaceae) is one of the entomopathogenic fungi that has received great attention and has been used for pest control in various plant commodities (Tanada and Kaya, 1993; Zafar et al, 2016). (Hypocreales: Cordycipitaceae) is one of the entomopathogenic fungi that has received great attention and has been used for pest control in various plant commodities (Tanada and Kaya, 1993; Zafar et al, 2016). This fungus has been used to control several insect pests such as Crocidolomia pavonana (Trizelia and Nurdin 2010). Endophytic B. bassiana can act as a guard that protects the plant from different pests by producing an array consists of different bioactive metabolites
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