Application of Alginate Oligosaccharide in Promoting Plant Growth

Regulate plant growth

Alginate Oligosaccharide can be used as a signal molecule to participate in the regulation of plant growth and development. The presence of Alginate Oligosaccharide activates the hormone expression in plant seedlings, changes the activity of amylase, lipase and protease, accelerates the endosperm starch hydrolysis process, and promotes seed germination and the growth of roots and buds. Studies have shown that 0.125% Alginate Oligosaccharide is beneficial to increase the germination rate of sorghum seeds and promote the growth of seedlings, while the 0.0625% Alginate Oligosaccharide seed soaking treatment is more beneficial to promote the chlorophyll synthesis of sorghum leaves and improve root vigor. The growth-promoting effect of Alginate Oligosaccharide on plants is not only manifested in the increase of plant height, leaf area, root length and other growth indicators, but also in functional leaf chlorophyll content, photosynthetic rate, stomatal conductance, transpiration rate, intercellular CO2 concentration and other indicators Significantly increased.

Improve plant resistance

Alginate Oligosaccharide can alleviate the damage to plants caused by adversity (such as pesticides, drought, cold, heat, etc.) by inducing plants to produce resistant substances, and play a role in regulating crop growth. Alginate Oligosaccharide can increase the content of soluble sugar and free proline in plants, enhance the activity of plant antioxidant enzymes, and induce the synthesis of phytoalexins, reduce the permeability of cell membranes and the content of malondialdehyde, thereby improving plant resistance to stress.

Relieve the harmful effects of heavy metals on plants

Alginate Oligosaccharide can improve the resistance of plants to heavy metals and protect plants from heavy metals. Studies have found that low concentrations (0.0625%~1.0000%) of Alginate Oligosaccharide can alleviate the damage caused by Cd to broad bean root tip cells. 0.1250% Alginate Oligosaccharide can increase the mitotic index of broad bean root tip cells, inhibit the production of micronuclei, and reduce chromosomal aberrations; It was also found that the rhizome length and dry weight of wheat seedlings under Cd stress decreased by 20% compared with the control group, and the addition of 1g/L Alginate Oligosaccharide could increase the resistance of wheat to Cd stress (100μmol/L).

Promote plant nutrient absorption

The structure of Alginate Oligosaccharide contains carboxyl and hydroxyl groups, which can combine with ammonium ions (NH4+) in nitrogen fertilizers to form complexes, thereby inhibiting the conversion of ammonium nitrogen (NH4+) to nitrate nitrogen (NO3-), reducing nitrogen loss and long-term effects on plants Provide nutrients. At the same time, low-dose Alginate Oligosaccharide can also promote plant roots to absorb N, P, Ca, Mg, Mn, B, Zn and other elements.



Qingdao HEHAI Biotech Co.,Ltd.

Tel: 13045058792



Address: Room 806, D&D Fortune Center, No.182-6, Haier Road, Qingdao,China

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