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Biological control or biocontrol is a method of controlling pests, whether pest animals such as insects and mites, weeds, or pathogens affecting animals or plants by using other organisms. [1] It relies on predation , parasitism , herbivory , or other natural mechanisms, but typically also involves an active human management role.
Biopesticides usually have no known function in photosynthesis, growth or other basic aspects of plant physiology. Many chemical compounds produced by plants protect them from pests; they are called antifeedants. These materials are biodegradable and renewable, which can be economical for practical use.
One example of an endophyte-plant-insect interaction is located in the New Zealand grasslands, where endophytes, known as AR1 and AR37 are utilized to protect valuable ryegrass from the Argentine stem weevil but remain palatable to another important food source, livestock. [74]
Plants produce secondary metabolites known as allelochemicals. Rather than participating in basic metabolic processes, they mediate interactions between a plant and its environment, often attracting, repelling, or poisoning insects. [5] [6] They also help produce secondary cell wall components such as those that require amino acid modification. [7]
The IOBC serves as a resource for international organizations, for example: the European Commission on sustainable use of pesticides [1] and the status of IPM in Europe, [2] the EC Regulation of Biological Control Agents with regard to invertebrate biological control agents, [3] the Consultative Group on International Agricultural Research on IPM, [4] the European and Mediterranean Plant ...
Plants store myrosinase glucosinolates by compartmentalization, such that the latter is released and activated only when the plant is under attack. Myrosinase is stored largely as myrosin grains in the vacuoles of particular idioblasts called myrosin cells, but have also been reported in protein bodies or vacuoles , and as cytosolic enzymes ...
Plant (S. chacoense) transformed using Agrobacterium. Transformed cells start forming calluses on the side of the leaf pieces. Transformation with Agrobacterium can be achieved in multiple ways. Protoplasts or alternatively leaf-discs can be incubated with the Agrobacterium and whole plants regenerated using plant tissue culture.
A biofertilizer is a substance which contains living micro-organisms which, when applied to seeds, plant surfaces, or soil, colonize the rhizosphere or the interior of the plant and promotes growth by increasing the supply or availability of primary nutrients to the host plant. [1]