ANTHRAQUINONE CONTAINING PREPARATIONS/LIGNIN FORMULATIONS
Provided is a formulation comprising (a) a preparation comprising one or more anthraquinone derivatives having activity against plant pests and (b) a lignin. Also provided is a method for obtaining the formulation and for using the formulation to modulate phytopathogenic, fungal and/or bacterial infection and/or plant pest infestation.
1 . A formulation comprising (a) a preparation comprising one or more anthraquinone derivatives having activity against plant pests and (b) a lignin.
2 . The formulation according to claim 1 , wherein said preparation comprising one or more anthraquinone derivatives having activity against plant pests is an extract derived from the family Polygonaceae, Rhamnaceae, Fabaceae, Asphodelaceae, and Rubiaceae.
3 . The formulation according claim 1 , wherein said preparation comprising one or more anthraquinone derivatives having activity against plant pests is an extract derived from Reynoutria sachalinensis.
4 . The formulation according to claim 1 , wherein said anthraquinone derivative has the structure
Where R1, R2, R3, R4, R5, R6, R7 and R8 are hydrogen, hydroxyl, hydroxylalkyl, halogen, carboxyl, alkyl, alkyoxyl, alkenyl, alkenyloxyl, alkynyl, alkynyloxyl, heterocyclyl, aromatic, or aryl group or sugars.
5 . The formulation according to claim 1 , wherein said anthraquinone derivative is selected from the group consisting of physcion, emodin, chrysophanol, ventiloquinone, emodin glycoside, chrysophanol glycoside, physcion glycoside, 3, 4-dihydroxy-1-methoxy anthraquinone-2-carboxaldehyde and damnacanthal.
6 . The formulation according to claim 1 , wherein said lignin is an alkali lignin, a lignosulphonate, an oxylignin; a chlorolignin; a protolignin; a lignin liquor or salts or derivatives thereof.
7 . The formulation according to claim 1 , wherein said lignin is a lignosulphonate or salt thereof.
8 . The formulation according to claim 7 , wherein said lignosulphonate is a sodium, potassium, lithium, calcium, magnesium or ammonium salt of lignosulphonate.
9 . The formulation according to claim 1 , wherein the ratio of (a) the preparation comprising one or more anthraquinone derivatives having activity against plant pests to (b) lignin is between about 1:10 to about 10:1 by weight.
10 . The formulation according to claim 1 , wherein the ratio of (a) the preparation comprising one or more anthraquinone derivatives having activity against plant pests to (b) lignin is between about 1:1 to about 1:4 by weight.
11 . The formulation according to claim 1 , wherein said formulation is an aqueous formulation.
12 . The formulation according to claim 1 , wherein said formulation is in the form of a water dispersible granule.
13 . The formulation according to claim 1 , wherein said formulation is in the form of water soluble powder.
14 . A method of producing the formulation of claim 1 comprising mixing (a) a preparation comprising one or more anthraquinone derivatives having activity against plant pests with (b) a lignin and optionally (c) water.
15 . The method according to claim 14 , wherein about 1 part of (a) a preparation comprising one or more anthraquinone derivatives having activity against plant pests is mixed with (b) about 1 to about 9 parts of a lignin to obtain a dry formulation.
16 . A method for producing an aqueous formulation comprising (a) a preparation comprising one or more anthraquinone derivatives having activity against plant pests and (b) a lignin comprising mixing about 1 part of a dry formulation obtained according to the method of claim 9 with about 100 to about 2500 parts of water.
17 . A method for modulating phytopathogenic, fungal and/or bacterial infection and/or plant pest infestation in a plant comprising applying to the plant and/or seeds thereof and/or substrate used for growing said plant an amount of the formulation of claim 1 effective to modulate said phytopathogenic, fungal and/or bacterial infection and/or plant pest infestation.
18 . A method for modulating germination of a seed of a plant comprising applying to said seed an amount of the formulation of claim 1 and optionally a seed coating agent effective to modulate said germination of said seed of said plant.
19 . A method for modulating growth of a plant comprising treating said plant with an amount of the formulation of claim 1 effective to modulate said growth in said plant.