A kind of botanical herbicidesTechnical field
The invention belongs to herbicide technology field, and in particular to a kind of botanical herbicides.
Background technology
With modern agricultural production to the safe and reasonable of herbicide using higher requirement is proposed, this requires enterprise's heightLook forward or upwards and far look steadily, pioneer and invent, accelerate to develop the efficient, safety for meeting agricultural and being actually needed, wide spectrum, the herbicide kind of environmental protection,The small ancestor crops in part are taken into account simultaneously, inject fresh vigor for herbicide variety diversity.However, China's herbicide is most at presentUsing chemical reagent, not environmentally, effect on environment is big.
The content of the invention
The problem of existing for prior art, it is an object of the invention to design to provide a kind of technology of botanical herbicidesScheme.
Described a kind of botanical herbicides, it is characterised in that be made up of following components in percentage by weight:Oriental plane treeLeaf extract 2-6%, ginkgo nut extract 2-6%, garlic P.E 1-5%, pepper extract 1-5%, neopelex2-10%, water surplus.
Described a kind of botanical herbicides, it is characterised in that be made up of following components in percentage by weight:Oriental plane treeLeaf extract 3-5%, ginkgo nut extract 3-5%, garlic P.E 2-4%, pepper extract 2-4%, neopelex2-10%, water surplus.
Described a kind of botanical herbicides, it is characterised in that described oriental plane tree leaf extract passes through following steps system:By oriental plane tree leaf crushed after being dried into coarse powder, the EtOH Sonicate for adding French 6-10 times of phoenix tree leaf coarse powder weight extracts 2-3It is secondary, each 30-50 minutes, filter, discard filter residue, after merging extract solution, obtained extract solution is under the conditions of 60-70 DEG C using trueEmpty film enrichment facility carries out flash concentration to the 5-10% of original volume, produces.
Described a kind of botanical herbicides, it is characterised in that described ginkgo nut extract extract passes through following stepsIt is made:Fresh ginkgo nut is taken continuous drying 12 hours under temperature -50~-40 DEG C, 20~30Pa of pressure, is crushed, is added after crushingEnter 55~65% ethanol of 10~15 times of amounts of ginkgo nut, soak 20~40 minutes, extract 3 times, 1~2 hour every time, merge extractionLiquid, the 5~10% of filtering and concentrating to original volume, produce.
Described a kind of botanical herbicides, it is characterised in that described garlic P.E is made by following steps:TakeGarlic crushed after being dried adds the water of 6-10 times of garlic coarse powder weight into coarse powder, the refluxing extraction 30-50 at 70-80 DEG C of temperatureMinute, filter, discard filter residue, obtained extract solution using Reduced Pressure Concentration Device flash dense under the conditions of 60-70 DEG CThe 5-10% of original volume is reduced to, is produced.
Described a kind of botanical herbicides, it is characterised in that described pepper extract is made by following steps:TakeChinese prickly ash crushed after being dried adds the ethanol of 6-10 times of Chinese prickly ash coarse powder weight into coarse powder, the refluxing extraction 30- at 50-60 DEG C of temperature50 minutes, filter, discard filter residue, obtained extract solution is flashed under the conditions of 60-70 DEG C using Reduced Pressure Concentration DeviceThe 5-10% of original volume is concentrated into, is produced.
A kind of above-mentioned botanical herbicides, it is significant effect, natural environmental-protective, without any side effects, there is preventing and treating fieldThe effect of a variety of weeds, on crop without influenceing and solve the problems, such as current herbicide resistance.
Embodiment
Further illustrate the present invention with reference to embodiments.
Embodiment 1
By oriental plane tree leaf crushed after being dried into coarse powder, the EtOH Sonicate extraction 2 of French 8 times of phoenix tree leaf coarse powder weight is addedIt is secondary, 40 minutes every time, filter, discard filter residue, after merging extract solution, obtained extract solution uses vacuum film under the conditions of 65 DEG CEnrichment facility carries out flash concentration to the 8% of original volume, produces oriental plane tree leaf extract.
Fresh ginkgo nut is taken continuous drying 12 hours under -45 DEG C of temperature, pressure 25Pa, crushes, ginkgo is added after crushing60% ethanol of 12 times of amounts of fruit, soaks 30 minutes, extracts 3 times, 1.5 hours every time, merges extract solution, filtering and concentrating to original volume8%, produce ginkgo nut extract.
Garlic crushed after being dried is taken into coarse powder, adds the water of 8 times of garlic coarse powder weight, the refluxing extraction 40 at 75 DEG C of temperatureMinute, filter, discard filter residue, obtained extract solution carries out flash concentration extremely under the conditions of 65 DEG C using Reduced Pressure Concentration DeviceThe 8% of original volume, produces garlic P.E.
Chinese prickly ash crushed after being dried is taken into coarse powder, adds the ethanol of 8 times of Chinese prickly ash coarse powder weight, the refluxing extraction at 55 DEG C of temperature40 minutes, filter, discard filter residue, obtained extract solution carries out flash concentration under the conditions of 65 DEG C using Reduced Pressure Concentration DeviceTo the 8% of original volume, pepper extract is produced.
By oriental plane tree leaf extract 4kg, ginkgo nut extract 4kg, garlic P.E 4kg, pepper extract 4kg, tenDialkyl benzene sulfonic acids sodium 6kg, water 78kg are uniformly mixed, that is, obtain botanical herbicides.
Embodiment 2
By oriental plane tree leaf crushed after being dried into coarse powder, the EtOH Sonicate extraction 3 of French 6 times of phoenix tree leaf coarse powder weight is addedIt is secondary, 30 minutes every time, filter, discard filter residue, after merging extract solution, obtained extract solution uses vacuum film under the conditions of 60 DEG CEnrichment facility carries out flash concentration to the 5% of original volume, produces oriental plane tree leaf extract.
Fresh ginkgo nut is taken continuous drying 12 hours under -50 DEG C of temperature, pressure 20Pa, crushes, ginkgo is added after crushing55% ethanol of 10 times of amounts of fruit, soaks 20 minutes, extracts 3 times, 1 hour every time, merges extract solution, filtering and concentrating to original volume5%, produce ginkgo nut extract.
Garlic crushed after being dried is taken into coarse powder, the water of 6 times of addition garlic coarse powder weight, the refluxing extraction 30 under temperature 70 CMinute, filter, discard filter residue, obtained extract solution carries out flash concentration extremely under the conditions of 60 DEG C using Reduced Pressure Concentration DeviceThe 5% of original volume, produces garlic P.E.
Chinese prickly ash crushed after being dried is taken into coarse powder, the ethanol of 6 times of addition Chinese prickly ash coarse powder weight, the refluxing extraction under temperature 50 C30 minutes, filter, discard filter residue, obtained extract solution carries out flash concentration under the conditions of 60 DEG C using Reduced Pressure Concentration DeviceTo the 5% of original volume, pepper extract is produced.
By oriental plane tree leaf extract 2kg, ginkgo nut extract 2kg, garlic P.E 1kg, pepper extract 1kg, tenDialkyl benzene sulfonic acids sodium 2kg, water 92kg are uniformly mixed, that is, obtain botanical herbicides.
Embodiment 3
By oriental plane tree leaf crushed after being dried into coarse powder, the EtOH Sonicate extraction of French 10 times of phoenix tree leaf coarse powder weight is added3 times, 50 minutes every time, filter, discard filter residue, after merging extract solution, obtained extract solution is thin using vacuum under the conditions of 70 DEG CFilm condensing device carries out flash concentration to the 10% of original volume, produces oriental plane tree leaf extract.
Fresh ginkgo nut is taken continuous drying 12 hours under -40 DEG C of temperature, pressure 30Pa, crushes, ginkgo is added after crushing65% ethanol of 15 times of amounts of fruit, soaks 40 minutes, extracts 3 times, 2 hours every time, merges extract solution, filtering and concentrating to original volume10%, produce ginkgo nut extract.
Garlic crushed after being dried is taken into coarse powder, adds the water of 10 times of garlic coarse powder weight, the refluxing extraction at 80 DEG C of temperature50 minutes, filter, discard filter residue, obtained extract solution carries out flash concentration under the conditions of 70 DEG C using Reduced Pressure Concentration DeviceTo the 10% of original volume, garlic P.E is produced.
Chinese prickly ash crushed after being dried is taken to add the ethanol of 10 times of Chinese prickly ash coarse powder weight into coarse powder, flow back and carry under temperature 60 CTake 50 minutes, filter, discard filter residue, obtained extract solution using Reduced Pressure Concentration Device flash dense under the conditions of 70 DEG CThe 10% of original volume is reduced to, produces pepper extract.
By oriental plane tree leaf extract 6kg, ginkgo nut extract 6kg, garlic P.E 5kg, pepper extract 5kg, tenDialkyl benzene sulfonic acids sodium 10kg, water 68kg are uniformly mixed, that is, obtain botanical herbicides.
Test example:Field weeding experiment, application dosage 1000g/ are carried out to botanical herbicides made from embodiment 1-3Mu, its result such as following table.
Field test effects of the embodiment 1-3 to five kinds of weeds
As can be seen here, botanical herbicides herbicidal effect of the invention is notable.