Patent Application: US-36013003-A

Abstract:
method for controlling insect pests , pathogenic diseases , and pathogenic nematodes comprising the step of concurrent administration to the locus of an effective amount of iodized lipids or iodine complexes was disclosed .

Description:
in describing the preferred embodiment , certain terminology will be used for the sake of clarity . as used herein , the term ‘ lipids ’ represents a group of organic compounds that are soluble in organic solvents , which comprises 1 ) fatty acids , 2 ) fatty alcohols , 3 ) terpenoids , 4 ) waxes , and 5 ) acylglycerides , or their derivatives . as used herein , the term ‘ iodized lipids ’ is equivalent to ‘ iodinated lipids ’ and the iodized lipids are formed between iodine and lipids through covalent bound . as used herein , the term ‘ type ii iodine complex ’ comprises any complexes formed through physical mechanisms between iodine and compound or compounds with large molecular size and structures that can trap molecular iodine . one example is iodine - starch complex , in which iodine is trapped inside the helix of starch molecules . as used herein , the term “ pesticide ” is as defined as any substance or mixture of substances intended for protecting plant or plant parts by preventing , destroying , repelling or mitigating any pest , which includes insect pests , pathogenic fungi , pathogenic nematodes , pathogenic bacteria , pathogenic viruses . as used herein , the term “ disinfectant ” is as defined as any substance or mixture of substances intended for protecting human being , animals , food or food products , and living or working environment by preventing , destroying , repelling or mitigating any pest , which includes insect pests , pathogenic fungi , pathogenic nematodes , pathogenic bacteria , pathogenic viruses . preparation of iodized lipids such as iodized oil is well known to those skilled in the art and is described in merck index . in accordance with the present invention , iodized lipids were prepared , in general , by adding solutions of molecular iodine or iodine containing compounds or complexes to lipid solution ( when such lipids like fatty acid slats are water soluble ) or lipid or lipid emulsion ( when such lipids are not water soluble ). the ratio of iodine to lipids was determined by the iodine value of the lipids . in general , molar of iodine was equal to the molar of double bound in the lipids . lipid emulsion was prepared by mixing lipids , surfactants such as monolipids or tween 60 , and water at elevated temperatures . for iodine in crystal form such as iodine , aqueous solution was first prepared by adding iodide to potassium iodide or sodium chloride . if desired , the iodized lipids can be processed into dust powder or granules by adding inert such as starch or clays . according to the present invention , lipids used for manufacturing iodized lipids comprise 1 ) fatty acids , their salts , esters , or derivatives ; 2 ) fatty alcohols and their derivatives ; 3 ) mono -, di -, and tri - acylglycerides ( including phospholipids , glycolipids , and plant or animal oils ) and their derivatives ; 4 ) mono -, di -, tri -, and tetra - terpenes , steroids , cholesterols , and their derivatives ; and 5 ) waxes or esters of long chain fatty acids and long chain alcohols and their derivatives . according to the present invention , iodine used for manufacturing iodized lipids comprises any compounds or mixtures that contain or release iodine , such as molecular iodine ; potassium , sodium , calcium , ammonium or lithium iodide ; potassium , sodium , calcium , ammonium or lithium iodate ; iodic acid ; hydroiodic acid ; iodine monobromide , iodine monochloride , iodine pentoxide , iodine trichloride ; or different commercial iodophors . in accordance with the present invention , the composition may further contain one or more surfactants , emulsifying , wetting , or dispersing agents . the surfactants include any type of siloxane , polysiloxane , and ionic or non - ionic surfactants . examples of such surfactants are : lauryl sulfate or lauryl sulfate salts ; polyether - polymethylsiloxane - copolymer ( break - thru . rtm . oe44 . 1 ), manufactured by goldschmidt chemical corporation ; polyoxyethylenesorbitan , presently sold as the product family tween and marketed by ici americas , inc ., of wilmington , del . ; polyoxyethylene ethers , such as t - octylphenoxy - polyethanol , presently sold as the product family triton and marketed by union carbide chemical and plastics co ., inc ., of danbury , conn . ; or alkylaryl polyoxyethylene glycols and alcohol , presently sold as latron ag - 98 . alternative surfactants with equivalent action to these typical products are also considered for use with the emulsion compound of the present invention . other suitable agents include quaternary ammonium compounds such as cetyltrimethyl ammonium bromide , fatty acid soaps ; mono - or di - glycerides , phospholipids , glycolipids , glycerine soaps , salts of aliphatic monoesters of sulphuric acid such as sodium lauryl sulphate , salts of sulphonated aromatic compounds like sodium dodecylbenzenesulphonate ; sodium , calcium or ammonium lignosulphonate ; or butylnaphthalene sulphonate ; and a mixture of the sodium salts of diisopropyl - and triisopropylnaphthalenesu - lphonates , condensation products of ethylene oxide with fatty alcohols such as oleyl alcohol or cetyl alcohol ; or with alkyl phenols such as octyl phenol , nonyl phenol , and octyl cresol , partial esters derived from long chain fatty acids and hexitol anhydrides , the condensation products of the said partial esters with ethylene oxide , mineral oils , and short chain fatty acid or organic acids such as formic acid , acetic acid , propionic acid , butyric acid , valeric acid , caproic acid , enanthic acid , caprylic acid , pelargonic acid , capric acid , undecanoic acid , pauric acid , oxalic acid , manolic acid , succinic acid , glutaric acid , adipic acid , pimelic acid , suberic acid , azelaic acid , sebacic acid , brassylic acid , thapsic acid , maleic acid , fumaric acid , glutaconic acid , malic acid , tartaric acid , citric acid . according to the present invention , the composition may be formulated into aqueous solution , emulsion , or dust powders or granules by using inert . the inert can be used includes kaolinite minerals such as kaolinite , dickite , nacrite , and haloysite , serpentines such as chrysotile , lizartite , antigorite , and amesite , smectites such as calcium montmorillonite , magnesium montmorillonite , saponite , hectorite , sauconite , and beidellite , magnesium silicates such as attapulgite and sepiolite , calcium carbonates such as dolomite ; sulfate minerals such as gypsum and terra alba , mica clay minerals such as muscovite , phengite , sericite , and illite , silicas such as cristobalite and quartz , pyrophyllite , talc , pagodite , acid clay , activated clay , diatomaceous earth , pumice , silica sand , zeolite , vermiculite ; synthetic inorganic carriers such as precipitated silicas , and calcined silicas ; starch containing materials such as amylose , amylospetcin , starch , modified starch such as acid , alkaline , or enzyme treated starch , oxidized starch , dextrin roasted starch , or esterified starch , starch containing flours from plant sources , degradation products from flours or starch , dextrin , woodmeal , rice bran , wheat bran , husks of grains , soybean meal ; lignin containing compounds such as lignin or lignin sulfonate , algae derived materials such as alginic acid and alkali metal salts of alginic acid such as sodium alginate and potassium alginate and ammonium salts of alginic acid , calcium alginate , magnesium alginate , barium alginate , zinc alginate , nickel alginate , copper alginate , lead alginate , strontium alginate , cobalt alginate , or manganese alginate ; chromatographic matrix materials such as arga , argarose , cellulose , polyvinyl alcohol , polyvinyl acetal , polyacrylamide , methacrylate , polyethylene , polypropylene , polystyrene , or their derivatives . in accordance with the present invention , the composition contains from 0 . 001 %- 99 % iodized lipids , preferably from 0 . 01 % to 80 % iodized lipids and most preferably from 20 % to 60 % iodized lipids . in accordance with the present invention , the composition contains from 0 . 00001 %- 50 % iodine , preferably from 0 . 0001 % to 20 % iodine and most preferably from 0 . 001 % to 5 % iodine . the composition of the present invention are dispersed or dissolved in water to a concentration of from 0 . 00001 % to 20 % iodized lipids , preferably from 0 . 0001 % to 10 % iodized lipids and most preferably from 0 . 001 % to 5 % iodized lipids . the diluted compositions may be applied by any of the methods typically known and used in the agricultural industry , food industry , or dairy farms for the application of a chemical . preparation of type ii iodine complex such as iodine - starch index is well known to the person of the art and is described in u . s . pat . no . 5 , 955 , 101 . in accordance with the present invention , the type ii iodine complexes in the present invention can be generally prepared by the following method : iodine solution was made by dissolving 5 g sodium chloride , 2 g sodium iodate , and 10 g iodine in 80 ml of ethanol . then 73 gram of complexing compounds is mixed with the iodine solution and the mixture is dried at room temperature and grinded in a ball - mill for at least 4 hours to produce dry iodine complex dust powder . if desired , the dust powder can be processed into granules or suspended in aqueous solution by adding wetting agents . according to the present invention , type ii iodine complexes are manufactured using polymers and iodine or iodine containing or releasing compounds or complexes . the iodine comprises any compounds or mixtures that contain or release iodine , such as molecular iodine ; potassium , sodium , calcium , ammonium or lithium iodide ; potassium , sodium , calcium , ammonium or lithium iodate ; iodic acid ; hydroiodic acid ; iodine monobromide , iodine monochloride , iodine pentoxide , iodine trichloride ; or different commercial iodophors . in accordance with the present invention , the polymers for forming iodine complexes include amylose , starch and amylose or starch containing materials such as amylose , amylospetcin , starch , modified starch such as acid , alkaline , or enzyme treated starch , oxidized starch , dextrin roasted starch , or esterified starch , starch containing flours from any plant sources , degradation products from flours or starch , dextrin or their derivatives . in accordance with the present invention , the composition may be formulated into aqueous solution , emulsion , or dust powders or granules by using inert . the inert can be used includes cellulose or cellulose containing materials such as wood meal , rice bran , wheat bran , or husks of grains ; lignin or lignin containing materials such as lignin sulfonate ; materials derived from algae such as alginic acid , alkali metal salts of alginic acid like sodium alginate and potassium alginate and ammonium salts of alginic acid , calcium alginate , magnesium alginate , barium alginate , zinc alginate , nickel alginate , copper alginate , lead alginate , strontium alginate , cobalt alginate , or manganese alginate ; and chromatographic matrix materials such as arga , argarose , cellulose , polyvinyl alcohol , polyvinyl acetal , polyacrylamide , methacrylate , polyethylene , polypropylene , polystyrene , or their derivatives . in accordance with the present invention , the composition contains from 0 . 001 %- 100 % type ii iodine complexes , preferably from 1 % to 100 % type ii iodine complexes and most preferably from 10 % to 100 % type ii iodine complexes . in accordance with the present invention , the composition contains from 0 . 00001 %- 50 % iodine , preferably from 0 . 0001 % to 20 % iodine and most preferably from 0 . 001 % to 10 % iodine . the composition of the present invention are either directly used or dispersed in water for application . when directly used , its application rates are from 0 . 001 to 100 pound of complex per acre , preferably 0 . 1 to 50 pound per acre and most preferably 1 to 20 pound per acre . when used as dispersion , application rates are from 0 . 0001 % to 20 % complexes , preferably from 0 . 001 % to 10 % complexes and most preferably from 0 . 01 % to 5 % complexes . the compositions may be applied by any of the methods typically known and used in the agricultural industry , food industry , or dairy farms for the application of a chemical . in the following tests , iodized lipids ( 40 % lipids , w / v , and 40 % total iodine , w / v ) were prepared as above described . iodine solution ( 40 % total iodine , w / v ) and lipid ( 40 % w / v ) solution from the same iodine lipid formulation were also prepared separately for comparison . at application , one liter of solution was diluted with 99 liters of water and the diluted solution containing 0 . 4 % lipids or 0 . 4 % total iodine . adult aphids were collected from heavily infested tomato plants and evenly brushed onto uninfested tomato plants ( 100 per plants ) in the fields . treatments included lipid , iodine , and iodized lipid formulations as presented in table 1 . each treatment contained 3 replications and each replication consisted of 3 plants . aphid infested plants were covered by plastic film individually and left overnight before treatment . treatments were applied to running off the next day using a hand sprayer . the individual treated and control plant was then covered by colorless plastic film again and mortality was assessed 4 days after treatment . both lipid and iodine formulations killed certain percentages of aphids , but the iodized lipid formulation was more effective in aphid control . variegated cutworm were reared in the laboratory on artificial diet and transferred to plants in the fields ( 50 3 rd instar larvae per plant ). treatments included lipid , iodine , and iodized lipid formulations as presented in table 2 . each treatment contained 3 replications and each replication consisted of 3 plants . larvae infested plants were left overnight and treatments were applied to running off the next day using a hand sprayer . mortality was assessed 4 days after treatment . both lipid and iodine formulations caused certain percentages of mortality , but the iodized lipid formulation was the most effective treatment . mite was collected from heavily infested strawberries plants and 50 mites were transferred to each of the tested plants in the fields . treatments included different lipid , iodine , and iodized lipid formulations as presented in table 3 . each treatment contained 3 replications and each replication consisted of 3 plants . mite infested plants were left overnight and treatments were applied to running off the next day using a hand sprayer . mortality was assessed 24 hours after treatment . both lipid and iodine formulations caused certain percentages of mortality , but iodized lipid formulation was the most effective treatment . apple orchard with heavy scab disease and pear orchard with heavy psylla infection history were chosen for the tests . treatments included lipid , iodine , and iodized lipid formulations as presented in table 4 . each treatment contained 3 replications and each replication consisted of 3 trees with a randomized design . trees were sprayed with handgun to running off during growing season ( from bloom to one month before harvest ) for 4 times . scab and psylla were evaluated one week after each application . means were of the four evaluations were presented . both lipid and iodine formulations reduced population of pear psylla . iodine reduced scab but lipid formulation did not . iodized lipid formulation was more effective in disease and insect control than lipid or iodine applied alone . table grape orchard with heavy powdery mildew and botrytis history was chosen for the tests . treatments included different lipid , iodine , and iodized lipid formulations as presented in table 5 . each treatment contained 3 replications and each replication consisted of 10 vines . vines were sprayed with handgun to running off during growing season ( from bloom to one month before harvest ) for 4 times . disease intensity evaluated one week after the last application . iodine reduced powdery mildew on leaves and botrytis rot on fruit , but lipid formulations did not . iodized lipid formulation was more effective in disease control than iodine applied alone . orange orchard with heavy gray mold history was chosen for the tests . treatments included different lipid , iodine , and iodized lipid formulations as presented in table 6 . each treatment contained 3 replications and each replication consisted of 3 trees with a randomized design . trees were sprayed with handgun to running off during growing season ( from bloom to one month before harvest ) for 4 times . gray rot of fruit was evaluated one week after each application . iodine reduced scab and powdery mildew but lipid formulations did not . iodized lipid formulation was more effective in disease control than lipids or iodine applied alone . peach orchard with heavy brown rot history was chosen for the tests . treatments included different lipid , iodine , and iodized lipid formulations as presented in table 7 . each treatment contained 3 replications and each replication consisted of 3 trees with a randomized design . trees were sprayed with handgun to running off during growing season ( from bloom to one month before harvest ) for 4 times . brown rot was evaluated one week after each application . iodine reduced scab and powdery mildew but lipid formulations did not . iodized lipid formulation was more effective in disease control than iodine applied alone . tomato fields with history of heavy bacteria or virus diseases were selected and different formulations of iodine , lipid , or iodized lipid were sprayed to tomato plants three times from may to july and disease was evaluated two weeks after the last treatment . iodine reduced bacteria and virus diseases but lipid formulation did not . iodized lipid formulation was more effective in disease control than iodine applied alone . peanut fields with nematode history were selected and 3 m × 3 m plots were used . soil treatments were made to individual plot using drip irrigation just prior to planting the certified disease - free transplants with different formulations of iodine , lipid , or iodized lipid , respectively . another application was made during flowering . 100 liters of solution ( 0 . 4 %) was applied to each plot . nematode and yield were evaluated at harvest and presented in table 9 . iodine reduced nematode population but lipid alone did not . iodized lipid formulation showed synergistic effects in nematode control and yield increase . “ bartlett ’ pears were inoculated with gray and blue mold and ‘ huang jin ’ peaches inoculated with brown rot at harvest . after drying at room temperature for one day , the inoculated fruit were dipped in different formulations of iodine , lipid , or iodized lipid , respectively . fruit decay was evaluated after keeping at room temperature ( 20 c ) for 2 ( peach ) or 4 ( pear ) weeks . results were presented in table 10 . iodine reduced fruit decay but lipid formulations did not . iodized lipid was more effective in decay control than iodine applied alone . 200 cows with various degree of mastitis disease were randomly divided into two groups and were treated with iodinated lipids and a commercial iodophor , respectively . the treatments included teat and bedding surrounding treatment , which was applied once a week for 6 weeks and effects were evaluated 10 days after the last treatment . both commercial iodophor and iodized lipids controlled mastitis to very low level . however , iodized lipid treatment resulted fewer teat cracks , scores , and callousing compared with commercial iodophor treatment . iodine solution and an iodinated lipid solution containing the same amount of total iodine were sprayed , respectively , to cotton leaves in the field . total iodine and molecular iodine were measured at application , 12 , 24 , 36 , and 48 hours after application . the leaves were obtained from the fields , weighted , washed with acetone , and the washing solution was used for total iodine and molecular iodine measurement . when applied as iodine solution , molecular iodine concentration was high at day one but decreased to zero at day 2 . lodinated lipid , however , released molecular iodine constantly for 4 days and had relatively high concentration at day 4 . in the following tests , iodine complexes were prepared according to formulation 1 ( 10 % total iodine , w / v ). a separate solution containing 10 % total iodine prepared by dissolving molecular iodine in sodium iodide solution was used for comparison . at application , one liter iodine solution or iodine complex composition was diluted with 999 liters of water ( final iodine 0 . 01 % or 100 ppm ). all compositions were spayed with handgun until runoff . adult aphids were collected from heavily infested tomato plants and evenly brushed onto uninfested tomato plants ( 100 per plants ) in the fields . each treatment contained 3 replications and each replication consisted of 3 plants . aphid infested plants were covered by plastic film individually and left overnight before treatment . treatments were applied to running off the next day using a hand sprayer . the individual treated and control plant was then covered by colorless plastic film again and mortality was assessed 4 days after treatment . iodine at 0 . 01 % was less effective than iodine complex in aphid control ( table 1 ). variegated cutworm were reared in the laboratory on artificial diet and transferred to plants in the fields ( 50 3 rd instar larvae per plant ). each treatment contained 3 replications and each replication consisted of 3 plants . larvae infested plants were left overnight and treatments were applied to running off the next day using a hand sprayer . mortality was assessed 4 days after treatment . iodine alone was less effective than iodine complex in controlling cutwarm larva ( table 2 ). mite was collected from heavily infested strawberries plants and 50 mites were transferred to each of the tested plants in the fields . each treatment contained 3 replications and each replication consisted of 3 plants . mite infested plants were left overnight and treatments were applied to running off the next day using a hand sprayer . mortality was assessed 24 hours after treatment . iodine alone was less effective than iodine complex in mite control ( table 3 ). against apple scab “ golden delicious ’ apple orchard with heavy scab disease infection history was chosen for the tests . each treatment contained 3 replications and each replication consisted of 3 trees with a randomized design . trees were sprayed with handgun to running off during growing season ( from bloom to one month before harvest ) for 4 times according to scab infection periods . incidence of scab on leaves of terminal shoots was evaluated after fruit harvest . iodine alone reduced severity of apple scab . iodine complex were more effective in disease control than iodine applied alone ( table 4 ). sweet cherries ‘ red lantern ” orchard with heavy powdery mildew history was chosen for the tests . each treatment contained 3 replications and each replication consisted of 5 trees . trees were sprayed with handgun to running off during growing season ( from bloom to one month before harvest ) for 4 times from first mildew symptom with a 2 weeks interval . disease intensity ( per cent affected leaf area ) and fruit skin damage were evaluated at harvest . iodine reduced powdery mildew on leaves but was less effective than the iodine complex ( table 5 ). orange orchard with heavy gray mold history was chosen for the tests . each treatment contained 3 replications and each replication consisted of 3 trees with a randomized design . trees were sprayed with handgun to running off during growing season ( from bloom to one month before harvest ) for 4 times . gray rot of fruit was evaluated at harvest . iodine reduced gray rot but was not as effective as the iodine complex composition ( table 6 ). table18 effects of iodine complex on gray rot of orange treatment gray rot (%) control 32 iodine solution ( 0 . 01 % iodine ) 19 iodine complex 1 ( 0 . 01 % iodine ) 5 peach orchard with heavy brown rot history was chosen for the tests . each treatment contained 3 replications and each replication consisted of 3 trees with a randomized design . trees were sprayed with handgun to running off during growing season ( from bloom to one month before harvest ) for 4 times . brown rot was evaluated one week after each application . iodine reduced scab and powdery mildew . iodine complex was more effective in disease control than iodine applied alone . tomato fields with history of heavy bacteria or virus diseases were selected and different treatments were applied to tomato plants three times from may to july and disease was evaluated one week after the last treatment . iodine alone reduced diseases but was less effective than iodine complex in disease control ( table 8 ). peanut fields with nematode history were selected and 3 m × 3 m plots were used . soil treatments were made by adding iodine complex granules ( 10 g / plot ) to individual plot just prior to planting the certified disease - free transplants . another application with the same rate was made after the first flower . nematode and yield were evaluated at harvest and presented in table 9 . iodine complex was effective in nematode control and yield increase . “ bartlett ’ pears were inoculated with gray and blue mold and ‘ huang jin ’ peaches inoculated with brown rot at harvest . after drying at room temperature for one day , the inoculated fruit were dipped in iodine or iodine complex , respectively . fruit decay was evaluated after keeping at room temperature ( 20 c ) for 2 ( peach ) or 4 ( pear ) weeks . results were presented in table 10 . iodine solution or type ii iodine complexes containing 10 ppm total iodine were added to cultures of two test organisms , escherichia coli and micrococcus pyogenes , var . aureus , respectively . after 15 , 30 , and 60 second , the available iodine was neutralized with sodium thiosulphate . the organisms were then plated and incubated at 35 c for 48 h and the cultures were counted . in compliance with the statutes , the invention has been described in language more or less specific to structural features and process steps . while this invention is susceptible to embodiment in different forms , the specification illustrates preferred embodiments of the invention with the understanding that the present disclosure is to be considered an exemplification of the principles of the invention , and the disclosure is not intended to limit the invention to the particular embodiments described . those with ordinary skill in the art will appreciate that other embodiments and variations of the invention are possible , which employ the same inventive concepts as described above . 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