a)Characteristics.
-Bioinsecticides do not persist long in the environment
-Have shorter shelf lives
-Are effective in small quantities
-Safer to humans and animals
-Host specific (Affect single species and have a very specific mode of action)
-Slow in action and timing of application is critical
-Some promote plant growth.
b)Biopesticides control pests by:
1.An ability to grow faster.
2.An ability to produce lytic and proteolytic enzymes.
3.An ability to hydrolyze chitin, proteins, cellulose and hemicellulose suppressing plant pathogens.
4.Production of antibiotics.
5.Enhance plant defense response.
6.Stimulate rhizosphere colonization.
7.Stimulates plant growth.
jim items answered the question on January 30, 2019 at 18:25
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