Author: Master

Trichoderma harzianum is a fungus fungicides.

Working through multiple mechanisms such as nutrient competition, heavy parasitism, cell wall decomposing enzymes, and induction of plant resistance, antagonistic effects on plant pathogenic bacteria,suppress root diseases of crops as well as diseases of leaves and fruits, thereby achieving the purpose of disease prevention and control.

The treated hyphae sense the lectin secreted by the host (pathogen) and tend to grow towards the host. The lectin binds to the galactose residue on the cell wall of Trichoderma and invades the host through this site, causing the pathogen to collapse due to the reduction in cell expansion pressure. untie.

As surfactants, green nonionic surfactants alkyl glycosides (APG) and alcohol ether glycosides (AEG) are used. Alkyl glycoside APG is environmentally friendly, mild, multi-functional and comes in various models. Mainly include: alkyl glycoside 1214 (APG1214), alkyl glycoside 0810 (APG0810), alkyl glycoside 0814 (APG0814), high foaming alkyl glycoside APG, low foaming alkyl glycoside APG, non-foaming alkyl glycoside APG, etc.

APG

On December 27, Document No. 7 of the National Development and Reform Commission announced the latest “Guidance Catalog for Industrial Structural Adjustment (2024 Edition)”, which will be effective from February 1, 2024.

Policy encouragement on Pesticides: development and production of new varieties, new dosage forms, special intermediates and auxiliaries of highly efficient, safe and environmentally friendly pesticides, production of chiral and three-dimensional structure pesticides by directional synthesis, development and production of new biological pesticide products and new technologies.

Substances that can activate plants to produce immune responses are also called elicitors, such as,
— Small molecule compounds: plant hormones and their derivatives (salicylic acid (SA), auxin (IAA), naphthylacetic acid (NAA), benzothiadiazole S-methyl ester (BTH), brassinosteroid (BR) etc.), natural secondary metabolites and their derivatives (AHO, DSF, ZNC, etc.).

— Carbohydrates: polysaccharides (pectin (galacturonic acid oligosaccharides, etc.), chitosan, β-glucan, alginate, chitin, etc.), oligosaccharides (chito-oligosaccharides, gluco-oligosaccharides, chito-oligosaccharides, etc.) Tetra-oligosaccharide, etc.), lipopolysaccharide (from various microbial sources, LPS, JY001, etc.).

— Proteins and peptides: polypeptides (flagellar peptide flg22, etc.), proteins (hypersensitive protein Harpin, ultrafine Alternaria protein, cryptoprotein, VDAL, etc.), oomycetes, glycoproteins.

— Others: microorganisms, lipids, nucleic acids (guanine glycosides), vitamin B1, inorganic salts, non-protein amino acids, azelaic acid, iron chlorin, glycerol 3-phosphate and dehydrorosin aldehyde, etc.

Biological control products for tobacco virus disease

• Chitosan oligosaccharide
• Ningnanmycin
• BIO-ANTIVIRAL AGENT (BAA)
• Carvacrol

Carvacrol is a botanical pesticide with good antibacterial and insecticidal effects, and its antifungal ability is particularly outstanding.

Carvacrol can be used to prevent and control tomato gray mold, tobacco powdery mildew, brown spot, potato late blight, tea leafhopper, citrus spider mite, cucumber bacterial angular spot, citrus tree lice, tobacco virus diseases, and rice planthoppers.

Chitosan oligosaccharides refer to oligosaccharides in which D-glucosamine is connected with β-1.4 glycosidic bonds. It is produced by degrading chitin into chitosan and then degrading it, or by microbial fermentation. Toxic fungicides. Agricultural grade chitosan oligosaccharides can inhibit the growth of some pathogenic bacteria, affect fungal spore germination, induce changes in hyphae morphology, and biochemical changes within spores. It can stimulate genes in plants to produce disease-resistant chitinase, glucanase, basin and PR proteins, etc.

Chitosan oligosaccharide also has cell activation effect, which helps the recovery of damaged plants, promotes roots and seedlings, and enhances the growth of crops. Stress resistance, promote plant growth and development. Chitosan oligosaccharide solution has anti-toxic, bactericidal and fungicidal effects. It not only has a strong prevention and eradication effect on fungi, bacteria, and viruses, but also has nutritional, regulatory, detoxification, and antibacterial effects.

Chitosan oligosaccharide can be widely used to prevent and control mosaic diseases, leaf diseases, spot diseases, anthracnose, downy mildew, blight, and vine blight caused by viruses, bacteria, and fungi in fruit trees, vegetables, underground rhizomes, tobacco, Chinese medicinal materials, and grain and cotton crops. , yellow dwarf, rice blast, bacterial wilt, soft rot and other diseases.

Chitosan oligosaccharides

Chitosan-oligosaccharides are a kind of plant immune inducer, which induce plants to produce disease-resistant factors through their effects on plant cells. Chitosan-oligosaccharides have a certain yield-increasing effect on vegetables, also have a certain effect on various crop diseases such as Tomato late blight, pepper virus disease, peach perforation disease, watermelon wilt disease, etc. have good inhibitory or control effects.

Chitosan-oligosaccharides

Endogenous: Plant hormones are endogenous substances produced by the plant’s own metabolism, also called endogenous hormones.

Mobility: Plant hormones are mobile and can be transferred to other parts of the plant after production to exert their regulatory effects. The speed and manner in which different plant hormones move vary depending on their species and the characteristics of the plant organ.

Regulatory: Phytohormones have regulatory effects and control the growth and development of plants by regulating their own concentration. Phytohormones can regulate plants through positive and negative feedback mechanisms. For example, high concentrations of auxin inhibit the growth of lateral buds, while low concentrations of auxin promote the growth of terminal buds.

Significant effect: Although the content of plant hormones in plants is very low, usually measured in nanograms and micrograms, they can significantly increase their effectiveness.

Winter is coming, how you are planning your crops to be safe under cold weather?

Try below products from Lin Chemical International, to improve resistance of your crops.

γ-PGA
Seaweed extract
Chitosan-oligosaccharide