Anthroquinone containing derivatives as biochemical agricultural products
View Patent ↗Formulations containing anthraquinone derivatives with increased effectiveness as pesticides are provided. These formulations may comprise (a) a preparation comprising one or more anthraquinone derivatives having activity against plant pests; (b) one or more C2-C7 alcohols, or glycols or lactones; and (c) one or more surfactants selected from the group consisting of a sulfate, ethoxylated fatty acid esters wherein said alcohols and surfactants are present in amounts effective to stability said preparation. Also provided are methods of using these formulations as pesticides.
1. A formulation comprising
(a) a preparation comprising 0.01% to 45% by weight of a root extract derived from a root of Reynoutria sachalinensis , wherein said root extract comprises physcion, chrysophanol, and emodin in amounts effective to induce plant resistance to phytopathogens;
(b) 0.1% to 15% anti-microbial agent; and
(c) 0.1% to 50% by weight of one or more surfactants selected from a sulfate and ethoxylated fatty acid ester to stabilize said preparation.
2. The formulation according to claim 1 , wherein said anti-microbial agent is 2% to 10% by weight and said surfactant is 0.01% to 15% by weight sodium lauryl sulfate, 0.1% to 35% by weight 2-[2-[3,4-bis(2-methoxyethoxy)oxolan-2-yl]-2-(2-methoxyethoxy)ethoxy]ethyl hexadecanoate or both.
3. The formulation according to claim 1 , further comprising an alcohol or diol comprising 2-7 carbons wherein said alcohol or diol is selected from ethanol, isopropanol, butanol, hexanol, ethylene glycol and propylene glycol.
4. The formulation according to claim 1 , further comprising 0.1% to 8% by weight propylene glycol.
5. The formulation according to claim 1 , wherein
said root extract is 1% to 30% by weight;
said anti-microbial agent is 2% to 10% by weight;
said surfactant is 0.01% to 15% by weight sodium lauryl sulfate; and
10% to 40% by weight 2-[2-[3,4-bis(2-methoxyethoxy)oxolan-2-yl]-2-(2-methoxyethoxy)ethoxy]ethyl hexadecanoate.
6. The formulation of claim 1 , further comprising at least one of (i) an antifreeze, (ii) a carrier or (iii) an antimicrobial agent having at least one of: fungicidal or insecticidal activity.
7. The formulation of claim 1 , further comprising 2% to 10% by weight of an antimicrobial agent and 1% to 8% by weight of an anti-freeze selected from propylene glycol.
8. The formulation of claim 1 , wherein the surfactant is 2-[2-[3,4-bis(2-methoxyethoxy)oxolan-2-yl]-2-(2-methoxyethoxy)ethoxy]ethyl hexadecanoate and sodium lauryl sulfate.
9. The formulation of claim 1 , wherein the formulation is a liquid formulation.
10. The formulation of claim 1 , wherein said preparation comprises
1% to 30% by weight said root extract of Reynoutria sachalinensis;
said one or more surfactants are 0.01% to 15% by weight sodium lauryl sulfate and 0.1% to 35% by weight 2-[2-[3,4-bis(2-methoxyethoxy)oxolan-2-yl]-2-(2-methoxyethoxy)ethoxy]ethyl hexadecanoate; and
said anti-microbial agent is 2% to 10% by weight; and
further comprises 1% to 8% by weight propylene glycol.
11. The formulation of claim 1 , wherein the formulation is a micro emulsion.
12. The formulation of claim 11 ,
further comprising hexanol in the amount of 0.1% to 10% by weight.
13. The formulation of claim 1 , further comprising an anti-freeze agent in an amount of 2% to 8% by weight.
14. A formulation comprising:
a preparation comprising 1% to 30% by weight of a root extract derived from a root of Reynoutria sachalinensis that induces a plant resistance to powdery mildew, wherein said plant root extract comprises physcion, chrysophanol, and emodin;
0.1% to 15% by weight of an antifreeze having 2 to 7 carbons;
0.1% to 15% by weight of sorbate salt; and
10% to 40% by weight of one or more surfactants in amounts effective to stabilize said preparation selected from a sulfate and ethoxylated fatty acid ester.
15. The formulation of claim 14 , wherein said antifreeze is propylene glycol.
16. The formulation of claim 15 , further comprising an antifoaming agent, a carrier and an antimicrobial agent wherein said antimicrobial agent is selected from the group consisting of a chemical pesticide, biopesticide or natural or oil-product having fungicidal activity.
17. A formulation that induces a plant resistance to phytopathogens comprising
a preparation comprising
1% to 30% by weight of a root extract comprising physcion, chrysophanol, and emodin that induces a plant resistance to phytopathogens derived from a root of Reynoutria sachalinensis;
0.1% to 8% by weight of propylene glycol;
0.1% to 15% by weight of sorbate salt;
0.01% to 15% by weight sodium lauryl sulfate;
0.1% to 35% by weight 2-[2-[3,4-bis(2-methoxyethoxy)oxolan-2-yl]-2-(2-methoxyethoxy)ethoxy]ethyl hexadecanoate; and
an antifoaming agent; and
disposed in a carrier.
18. The formulation of claim 17 , further comprising an antimicrobial agent wherein said antimicrobial agent is selected from the group consisting of a chemical pesticide, biopesticide or natural or oil-product having fungicidal activity.
19. A formulation comprising
(a) a preparation comprising 0.01% to 45% by weight of a root extract derived from Reynoutria sachalinensis , wherein said root extract comprises physcion, chrysophanol, and emodin in amounts effective to induce plant resistance to phytopathogens; and
(b) 0.1% to 50% by weight of one or more surfactants selected from a sulfate and ethoxylated fatty acid ester to stabilize said preparation.
20. A method for reducing a fungal infection in a plant comprising the steps of:
providing a plant having a fungal infection, wherein the fungal infection is powdery mildew;
applying the formulation of claim 1 to the plant in an amount effective to reduce said fungal infection.