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Algaecide
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Algaecide
Algaecide or algicide is a biocide used for killing and preventing the growth of algae, often defined in a loose sense that, beyond the biological definition, also includes cyanobacteria ("blue-green algae"). An algaecide may be used for controlled bodies of water (reservoirs, golf ponds, swimming pools), but may also be used on land for locations such as turfgrass.
Some inorganic compounds are known since antiquity for their algicidal action due to their simplicity.
Barley straw, in England, is placed in mesh bags and floated in fish ponds or water gardens to help reduce algal growth without harming pond plants and animals. Barley straw has not been approved by the United States Environmental Protection Agency (EPA) for use as a pesticide and its effectiveness as an algaecide in ponds has produced mixed results during university testing in the United States and England. It is unclear how straw actually works.
Synthetic algicides include:
Algicidal bacteria are a diverse group of bacteria that either directly or indirectly inhibit the growth of algae. They play a key role in maintaining ecological stability in fresh water and marine environments by mitigating the negative effects of harmful algal blooms (HAB). Algicidal bacteria interactions with algal cells can be broadly split into two categories: direct and indirect. Direct methods typically involve the algicidal bacteria physically attacking the algal cell to induce cell lysis. Indirect methods of attack by algicidal bacteria typically involve releasing algae inhibiting chemicals into the surrounding water.
Algicidal bacteria can detect targeted algal cells via chemotaxis and quorum sensing. Different species of algicidal bacteria can have varying degrees of specificity and many have co-evolved along their target algae.
Algicidal bacteria have been used as a biological control method against HABs. They tend to be more environmentally friendly than traditional algicides.
Algicidal bacteria can cause harm to algae in multiple different ways. Depending on the type of algae and type of bacteria, the mechanisms and resulting effects can vary.
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Algaecide
Algaecide or algicide is a biocide used for killing and preventing the growth of algae, often defined in a loose sense that, beyond the biological definition, also includes cyanobacteria ("blue-green algae"). An algaecide may be used for controlled bodies of water (reservoirs, golf ponds, swimming pools), but may also be used on land for locations such as turfgrass.
Some inorganic compounds are known since antiquity for their algicidal action due to their simplicity.
Barley straw, in England, is placed in mesh bags and floated in fish ponds or water gardens to help reduce algal growth without harming pond plants and animals. Barley straw has not been approved by the United States Environmental Protection Agency (EPA) for use as a pesticide and its effectiveness as an algaecide in ponds has produced mixed results during university testing in the United States and England. It is unclear how straw actually works.
Synthetic algicides include:
Algicidal bacteria are a diverse group of bacteria that either directly or indirectly inhibit the growth of algae. They play a key role in maintaining ecological stability in fresh water and marine environments by mitigating the negative effects of harmful algal blooms (HAB). Algicidal bacteria interactions with algal cells can be broadly split into two categories: direct and indirect. Direct methods typically involve the algicidal bacteria physically attacking the algal cell to induce cell lysis. Indirect methods of attack by algicidal bacteria typically involve releasing algae inhibiting chemicals into the surrounding water.
Algicidal bacteria can detect targeted algal cells via chemotaxis and quorum sensing. Different species of algicidal bacteria can have varying degrees of specificity and many have co-evolved along their target algae.
Algicidal bacteria have been used as a biological control method against HABs. They tend to be more environmentally friendly than traditional algicides.
Algicidal bacteria can cause harm to algae in multiple different ways. Depending on the type of algae and type of bacteria, the mechanisms and resulting effects can vary.
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