How to control plant diseases?

How to control plant diseases?

How to control plant diseases?

Plant disease prevention

How to control plant diseases? What are the efficient methods of plant disease control? There are a number of pesticides on the market that are meant to prevent plant diseases by blocking or killing the pathogens that cause them. Bactericides, fungicides, and nematodes (nematicides) are chemicals that can be applied to seeds, leaves, flowers, fruit, or soil to control bacteria, fungi, and nematodes.

Therapeutic drugs

They use several disease control principles to prevent or minimize infections. In order to combat an illness that is already present, therapeutic drugs are used. However, diseases might attack even if you do everything “right.”


It’s vital to note that nearly all fungicides are preventatives, which means they’re best used before, or as soon as possible after, the disease hits. During particularly rainy springs, stay on the watch for illness indications early and often, and do your best to nip issues in the bud as soon as possible. This is especially important if you’re intending to use one of the products listed below to control plant diseases in the garden.

How to control plant diseases?

Biological management

What are the efficient methods of plant disease control? The use of creatures other than humans to decrease or prevent infection by a pathogen is known as biological control of plant diseases. These organisms are known as antagonists, and they can be found in the host’s natural environment or administered to certain areas of the potential host plant where they can operate directly or indirectly on the pathogen.


What are the efficient methods of plant disease control? Antibiotics were created to combat a variety of plant diseases. The majority of these medicines are absorbed by the plant and translocated throughout it, resulting in systemic treatment. Streptomycin is effective against a wide range of bacterial infections, tetracycline inhibits the growth of some mycoplasmas, and cycloheximides are useful against fungi-caused illnesses.

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Host Resistant

How to control plant diseases? Many agricultural diseases may be controlled with disease-resistant plant types, which are efficient, safe, and very affordable. Most commercial agricultural plant types are resistant to at least one disease, and typically many infections. For low-value crops, resistant or immune cultivars are crucial since alternative controls are either unavailable or too expensive.

How to control plant diseases?

Variable resistant

What are the efficient methods of plant disease control? Plant disease resistance can be absolute (a plant is resistant to a specific pathogen) or partial (a plant is susceptible to a specific infection) (a plant is tolerant to a pathogen, suffering minimal injury). Vertical (specific) and horizontal (general) resistance to plant diseases are the two major types (nonspecific).

Vertical resistance

Vertical resistance refers to a plant variety that has a high level of resistance to a single pathogen race or strain; this capacity is generally regulated by one or a few plant genes.

Genetic engineering

How to control plant diseases? Genetic engineering is being used to create disease-resistant plants. Genetic engineering methods can be used to modify a cell’s genetic material to generate a new trait in an organism. Recombinant DNA allows genes from plants, microorganisms, and mammals to be recombined and introduced into the live cells of any of these species.

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Non-infectious agents

Excess, deficiency, nonavailability, or improper balance of light, air circulation, relative humidity, water, or essential soil elements; unfavorable soil moisture-oxygen relations; high or low temperatures; pesticide injury; other poisonous chemicals in the air or soil; changes in s

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