# US 2017/0360046 A1 · Calcium carbonate for plant protection > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0360046 A1 - Document ID: US20170360046A1 - Status: Published application - Kind: A1 - Application number: 15/535,160 - Filed: 2015-12-15 - Published: 2017-12-21 - Earliest claimed: 2014-12-16 - Assignees: Omya International AG - Applicants: Omya International AG - Inventors: Christoph Stürm; Wulff Hansen - Web page: https://patentgrep.com/patent/US20170360046A1 ## CPC - A01N 59/06: Aluminium; Calcium; Magnesium; Compounds thereof - A01N 25/04: Dispersions, {emulsions, suspoemulsions, suspension concentrates} or gels (foams A01N25/16) - A01N 25/14: wettable - A01N 37/24: containing at least one oxygen or sulfur atom being directly attached to the same aromatic ring system - A01N 43/22: rings with more than six members - A01N 43/40: six-membered rings - A01N 43/54: 1,3-Diazines; Hydrogenated 1,3-diazines - A01N 47/16: the nitrogen atom being part of a heterocyclic ring - A01N 53/00: Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof - A01N: PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF (preservation of food or foodstuff A23); BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES (preparations for medical, dental or toiletry purposes which kill or prevent the growth or proliferation of unwanted organisms A61K); PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS ## Abstract The present invention relates to the use of calcium carbonate as plant protection product for topical, pre-harvest application, wherein the plant protection product controls a pest during plant growth. ## Claims ### Claim 1 Use of calcium carbonate as plant protection product for topical, pre-harvest application, wherein the plant protection product controls a pest during plant growth. ### Claim 2 (depends on 1) The use of claim 1, wherein the pest is a fungus, preferably Botrytis and/or Sclerotinia, more preferably Botrytis cinerea, and/or the pest is an insect, preferably Drosophila suzukii. ### Claim 3 (depends on 1) The use of claim 1, wherein the calcium carbonate is a natural ground calcium carbonate, a precipitated calcium carbonate, a functionalized calcium carbonate, a calcium carbonate containing mineral, or a mixture thereof, preferably the calcium carbonate is a natural ground calcium carbonate, more preferably the calcium carbonate is selected from the group consisting of marble, chalk, dolomite, limestone, and mixtures thereof, and most preferably the calcium carbonate is limestone. ### Claim 4 (depends on 1) The use of claim 1, wherein the calcium carbonate is in form of particles having a weight median particle size d50 from 0.1 to 200 μm, preferably from 0.6 to 100 μm, more preferably from 8.0 to 50 μm, and most preferably from 1 to 50 μm. ### Claim 5 (depends on 1) The use of claim 1, wherein the calcium carbonate is used in form of a powder and/or an aqueous suspension, preferably in form of an aqueous suspension having a solids content from 1 to 85 wt.-%, more preferably from 5 to 50 wt.-%, and most preferably from 10 to 25 wt.-%, based on the total weight of the aqueous suspension. ### Claim 6 (depends on 1) The use of claim 1, wherein the calcium carbonate is used in form of a composition, preferably comprising further alkaline salts and/or earth alkaline salts, and more preferably comprising sodium carbonate, sodium bicarbonate, potassium carbonate, magnesium carbonate, calcium chloride, calcium sulphate, calcium nitrate, calcium oxide, calcium hydroxide, or mixtures thereof. ### Claim 7 (depends on 1) The use of claim 1, wherein the calcium carbonate is used in combination with an additional plant protection product, preferably a fungicide and/or an insecticide. ### Claim 8 (depends on 1) The use of claim 1, wherein the plant protection product is for plants selected from the group consisting of rosaceae, theobroma cacao, grapes, stone fruits, pome fruits, berries, citrus fruits, legumes, solanaceae crops, brassicaceae crops, cucurbit crops, liliaceous crops, bananas, papayas, mangos, and passion fruits, preferably selected from the group consisting of grapes, stone fruits, pome fruits, berries, citrus fruits, bananas, papayas, mangos, and passion fruits, and most preferably grapes. ### Claim 9 (depends on 1) The use of claim 1, wherein the plant protection product controls a pest during plant growth and plant storage. ### Claim 10 Method of protecting a plant by controlling a pest during plant growth, wherein the method comprises the step of topically applying calcium carbonate onto at least a part of a plant before harvesting. ### Claim 11 (depends on 10) The method of claim 10, wherein the calcium carbonate is in form of an aqueous suspension, and is applied onto at least a part of the plant by spraying. ### Claim 12 (depends on 10) The method of claim 10, wherein the calcium carbonate is in form of a powder and is applied onto at least a part of the plant by dusting. ### Claim 13 (depends on 10) The method of claim 10, wherein the calcium carbonate is applied in an amount from 500 mg/m2 to 50 g/m2 of planted field area, preferably from 1 g/m2 to 25 g/m2 of planted field area, and more preferably from 8 g/m2 to 16 g/m2 of planted field area. ### Claim 14 (depends on 10) The method of claim 10, wherein the calcium carbonate is applied at least one time, preferably at least two times, before harvesting. ### Claim 15 (depends on 10) The method of claim 10, wherein the calcium carbonate is additionally applied after harvesting, preferably at least one time, more preferably at least two times.