Rotenone is (a) bio herbicides (b) commonly used bio fertiliser (c) ...
it is a chemical produced by some plants which act as an insecticide pestiside and pisicide (fish killer)so ans:C BIO INSECTICIDE
Rotenone is (a) bio herbicides (b) commonly used bio fertiliser (c) ...
Rotenone is a bio insecticide and a potential juvenile hormone mimic.
Rotenone as a bio insecticide:
Rotenone is a naturally occurring compound extracted from the roots and stems of various plants, such as Derris and Lonchocarpus. It has been used for centuries as a botanical insecticide due to its potent insecticidal properties.
Mechanism of action:
Rotenone primarily acts as a contact and stomach poison for insects. It works by inhibiting the electron transport chain in mitochondria, disrupting cellular respiration. This leads to the accumulation of reactive oxygen species, causing oxidative stress and ultimately resulting in the death of the insect.
Target pests:
Rotenone is effective against a wide range of insect pests, including aphids, caterpillars, leafhoppers, and beetles. It is commonly used in organic farming and gardening to control insect infestations without relying on synthetic chemical pesticides.
Advantages of rotenone as a bio insecticide:
- Environmentally friendly: Rotenone breaks down rapidly in the environment and does not persist or accumulate in soil or water sources.
- Broad-spectrum activity: It targets a wide range of insect pests, making it versatile and effective for multiple pest control purposes.
- Selectivity: Rotenone exhibits low toxicity to mammals, birds, and beneficial insects when used according to labeled instructions, making it a relatively safe option for pest control.
Rotenone as a potential juvenile hormone mimic:
Juvenile hormones (JH) are naturally occurring insect hormones that regulate growth, development, and reproduction in insects. Some studies have suggested that rotenone may have the ability to mimic the actions of JH, affecting insect growth and development.
Potential applications:
If confirmed as a juvenile hormone mimic, rotenone could be utilized as a tool for pest management strategies targeting insect growth regulation. By interfering with the normal hormonal balance, it may disrupt insect molting and metamorphosis processes, leading to reduced reproductive capabilities and population control.
Further research:
While the potential of rotenone as a juvenile hormone mimic is intriguing, more research is needed to fully understand its mechanisms of action and potential applications in pest management. Scientists continue to explore the efficacy and safety of this compound, as well as its potential interactions with other insecticides and pest control strategies.
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