Best guide for chitosan oligosaccharide in agriculture

Chitosan oligosaccharide

Best guide for chitosan oligosaccharide in agriculture

Published May 28, 2019 

Chitosan oligosaccharide is known as plant vaccines and they are the third type of vaccine after human and animal vaccines.
It’s applied in a wide range of crops and application methods are also very flexible.
Its important value has been gradually tapped and catch more and more attention.

A wealth of compound products has emerged in and will open up a new path for crop nutrition and health.

Now we analyze the current mainstream application methods:

1.Seed Pretreatment - disease resistance, strong seedlings, increased yield

By seed dressing, soaking, coating and other methods to treat seeds, it can increase seed germination force, increase seed germination rate and prompt seed emergence with full and strong seedlings, and so on.

Seed treatment can activate the own immune and growth system, inhibit the invasion and growth of pathogens, and can dissolve the protein coats and cells of fungi, bacteria, and virus, thereby effectively preventing the occurrence of crop diseases. It has been experimentally demonstrated that treated peanuts perform well during the growth.

Not only the plants are robust and has more developed root system, but also the rhizobium are produced ahead of schedule and more distributed, which can directly promote the increase of yield.

2.Soil Treatment - control of nematodes, improve soil condition, promote root development

A, Kill nematodes

Chitosan oligosaccharide induces crops to produce chitinase that can decomposes and absorbs the chitooligosaccharides in nematodes body and eggs’ shell and dissolve the shell, resulting in the death of nematodes and eggs. Chitosan oligosaccharides can be often used on crops in advance to induce chitinase’s production at high level for long time to prevent nematodes.

B, Optimize the flora

After chitosan oligosaccharide is applied into the soil, it can cultivate a large number of beneficial bacterias such as actinomycetes in a short period. These beneficial bacterias secrete a large amount of antibiotic substances and chitinase (chitinase can decompose and destroy nematodes’ body and eggs’ shell) which can directly inhibit adults and eggs, and at the same time inhibit the harmful bacterias such as Pythium, Phytophthora, Rhizoctonia, Fusarium, mold, fusarium and other harmful bacterias, thereby reducing the harmful bacterias' compound infestation caused by nematode damage and reducing the seedlings’ death.

It has been determined that the use of chitooligosaccharide fertilizers can increase fiber-decomposing bacteria and autonomic nitrogen-fixing bacteria in the soil by nearly 10 times, and the number of actinomycetes by 30 times.

C, Healthy roots

Chitosan oligosaccharide can obviously help the roots’ growth and development. It promotes the division of root cells and rapid increasing of capillary roots, reduce the emergence of dead roots and decayed roots, promotes the development of the root system. Therefore, when crops are exposed to nematode damage during the vegetable growth or fruiting period, the treatment by irrigating the root can restore the crops' vitality and maintain normal growth status. Therefore, the damage caused by nematode can be minimized.

3.Foliar Spraying - resistance of diseases, bacteria and stress, increase yield healthily

A, Induce crops’ stress-resistance

Chitosan oligosaccharide can induce crops’ structural resistance to the diseases. For examples, it can thicken the plant’s cell walls or lift the lignification degree; rapidly activate of cells and induce the plants to produce multiple stress-resistance substances in a short period of time, and induce a series of defense reactions in the plants; enhance the plant's resistance to disease and adverse environment.

It’s widely used in the control of various crop diseases caused by fungi, bacteria and viruses especially viral diseases, blight, wilt on crops like watermelon, tomato, tobacco, cotton, fruit, pepper, vegetables, rice, etc.

B, The activation of cells by Chitosan oligosaccharide can significantly increase yield

Induction the overall regulation of endogenous hormones: leaf-spraying improves the breathability and water retention ability; leaf-spraying or soil application can promote the division of root cells, stimulate the root system stronger, and enhance the plants’ resistance to drought and lodging.

The stem will be thick and short, and the leaves looks dark green and moist, which significantly increase the photosynthesis and promote the directional transport of photosynthetic products.

After application, it can make all plant organs grow vigorously, enhance the resistance of the crops, help the recovery of damaged plants, promote strong seedlings and roots’ development, promote plant growth and development and finally improve crop quality.
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