Varieties and functions of botanical pesticides

May. 26, 2021

Botanical pesticides refer to pesticides whose active ingredients are derived from plants. Plant-derived pesticides have the advantages of being environmentally friendly, generally low in toxicity, and not easy to produce resistance to pests in the prevention and control of crop diseases and insect pests. They are the pesticide varieties that should be preferred for the production of pollution-free agricultural products. In order to enhance everyone's understanding, the main botanical pesticide varieties developed in my country and their application in the prevention and control of crop diseases and insect pests are summarized and introduced as follows for your reference.

Matrine: single dose has 0.2%, 0.26%, 0.3%, 0.36%, 0.5% water, 0.3% water emulsion, 0.36%, 0.38%, 1% soluble liquid, 0.3% emulsifiable concentrate, 0.38%, 1.1% Powder; mixed formulations include 1% matrine·azadirachtin EC, 0.2% matrine aqueous solution + 1.8% rotenone EC barrel mixture, 0.5%, 0.6%, 1.1%, 1.2% matrine·nicotine Liquid, 0.6% matrine·berberine liquid. It can be used to control small cutworms in vegetable fields, cabbage caterpillars, diamondback moths, aphids, leek and chive maggots, cucumber red spiders, aphids, tea tree caterpillars, tea loopers, tobacco smoke caterpillars, tobacco aphid, wheat, millet Armyworm, cotton red spider, pear scab, apple tree red spider, yellow aphid, ring disease.

Oxymatrine: a single agent is 0.1% aqua; mixed preparations have 0.5%, 0.6% oxymatrine·psoralen aqua. It can be used to control flower aphids, cabbage caterpillars and aphids on cruciferous vegetables.

Nicotine: single dose is 10% emulsifiable concentrate; mixed formulations include 0.84%, 1.3% brucine·nicotine aqueous solution, 2.7% hyoscyamine·nicotine suspension, 27.5% nicotine·oleic acid emulsifiable concentrate, 10%Pyrethrin·Nicotine EC, 9% Capsaicin·Nicotine Microemulsion, 15% Ricinoleic Acid·Nicotine EC. It can be used to control cabbage caterpillars, aphids, wheat aphids, armyworms, apple tree yellow aphids, cucumber red spiders, aphids, bean aphids, cotton bollworms, aphids, tobacco tobacco worms, and mustard aphids.

Rotenone: 2.5%, 4%, 7.5% EC for single dose; 5% pyrethrin·Rotenone EC for mixed formulations. It can be used to control vegetable cabbage caterpillars, aphids, diamondback moth, Spodoptera litura, citrus tree rice scales, cotton bollworm.

Lapis-III: The preparation is 0.1% EC, which can be used to control Pieris rapae of cruciferous vegetables.

Sanguinarine: The preparation is a 1% wettable powder, which can be used to control bean aphid, cruciferous vegetable cabbage worm, pear psyllid, two-spotted spider mite and aphids.

Cineole: The preparation is a 5% soluble liquid, which can be used to control cruciferous vegetable aphids.

Allicin: The preparation is a 0.05% concentrated emulsion, which can be used to prevent and treat powdery mildew of cucumber and wolfberry.

Celangulin: The preparation is 1% EC, which can be used to control Pieris rapae on cruciferous vegetables.

Osthole: The preparation is 0.4% EC, which can be used to prevent and cure the cruciferous vegetables Pieris rapae and the tea looper.

Eugenol: a single agent is a 0.3% soluble liquid agent, and the mixed formulation is a 2.1% eugenol·carvacrol aqueous agent, which can be used to prevent and control tomato gray mold.

Carvacrol: The preparation is 5% acrylic acid·carvacrol aqueous agent, which can be used to control cucumber gray mold and rice blast.

Veratrine: The preparation is a 0.5% soluble liquid, which can be used to control cotton bollworm, cotton aphid and cruciferous vegetable cabbage caterpillar.

Neem: The preparation is 0.5% EC, which can be used to control cruciferous vegetable aphids.

Azadirachtin: The preparation is 0.3% and 0.5% emulsifiable concentrates, which can be used to control Plutella xylostella in cruciferous vegetables.

Baicalin + flavonoids: The preparation is 0.28% aqueous, which can be used to prevent and treat apple tree rot.

Pyrethrin: The formulation is 5% and 6% EC, which can be used to control cruciferous vegetable aphids.

Fistulin: The preparation is a 0.65% aqueous solution, which can be used to control apple tree loopers, aphids, and leaf vegetable cabbage worms and aphids.

Stemonine: The preparation is 1.1% Stemonine·Melidin·Nicotine EC, which can be used to control Liriomyza vulgaris, Green leafhopper on the tea tree, and cruciferous vegetable aphids, Pieris rapae and Plutella xylostella.


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