CN105010422A - Botanical rice planthopper repellent - Google Patents
Botanical rice planthopper repellent Download PDFInfo
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- CN105010422A CN105010422A CN201510215206.0A CN201510215206A CN105010422A CN 105010422 A CN105010422 A CN 105010422A CN 201510215206 A CN201510215206 A CN 201510215206A CN 105010422 A CN105010422 A CN 105010422A
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Abstract
The invention relates to a botanical rice planthopper repellent, and belongs to the technical field of rice insect pest prevention and control. The botanical rice planthopper repellent is prepared by adopting the following method: uniformly mixing 75-85 parts of plant extract, 10-15 parts of turpentine and 4-12 parts of sodium dodecyl benzene sulfonate. The botanical rice planthopper repellent uses plants as raw materials, the sources of raw materials are rich, the cost of the raw materials is low, the active ingredients of the compounds are supplemented with each other through optimal blending of elecampane, camphor tree bark, camplotheca acumiate fruit, pepper and derris, a synergistic interaction effect is achieved, the obtained plant extract is mixed with the synergist turpentine and the assistant sodium dodecyl benzene sulfonate for use, rice planthoppers can be effectively avoided, and the mating and egging of the planthoppers can be influenced, so that the effect of preventing and protecting crops from being damaged is achieved, the effect of avoiding the rice planthoppers is good, and the repellent is free of resistance to drugs, environment-friendly, convenient and safe to use.
Description
Technical field
The invention belongs to agricultural chemicals technical field of pest control, be specially a kind of plant resource rice fulgorid repellant.
Background technology
Rice fulgorid, also known as rice lice, midge insect etc., is the primary pest on paddy rice.Rice fulgorid kind is a lot, but cause paddy rice to lose at north paddyfield mainly contain brown planthopper, white-backed planthopper, small brown rice planthopper three kinds.Rice fulgorid is all clustered in rice clump bottom with adult, nymph, lunges rice leaf sheath and cane sucks juice with sucking mouth parts.Rice plant of tillering stage, is injured, and stem stalk occurs irregular microscler sepia spot, blackening gradually time serious, whole strain is withered.Rise's boot period, heading stage are injured, and blade turns yellow, and rice strain is short and small, and stem stalk is black and smelly, do not ear or the fringe extracted out is brown, and seed sterile grain rate is high, even becomes half withered fringe or dead ears.Rice milky ripe stage is injured, leaf ash, and stem is rotten, forms unreal fringe, and lodging is withered even in flakes.When causing harm serious, the blackening of rice clump base portion, the withered lodging of whole strain, there is " the yellow pool ", " emit and wear " in field, expands in flakes gradually, cause the withered famine in full field, causes Severe Reduction or lose receiving.Small brown rice planthopper also can propagate the virus disease such as stripe disease, black streak dwarf.
At present, mainly adopt the pesticide control rice fulgorids such as Imidacloprid, Buprofezin, Nitenpyram, Diacloden and pymetrozine, not only easily develop immunity to drugs, also can cause the residue of pesticide of paddy rice, affect health.The safe handling of people to agricultural chemicals is more and more paid close attention to, and substitutes existing market product put on schedule for a long time with new safe and effective composition.Insect repellent is that insecticide can for the selection substituted.
Summary of the invention
For the above-mentioned problems in the prior art, the object of the invention is to design the technical scheme that a kind of plant resource rice fulgorid repellant is provided, it take plant as raw material, abundant raw material source, cost of material is low, walks quickly and keeps away effective to rice fulgorid, can not develop immunity to drugs, environmentally friendly, easy to use, safe.
Described a kind of plant resource rice fulgorid repellant, is characterized in that adopting following methods to make:
1) the following material of parts by weight is taken: plant extraction liquid 75-85 part, turpentine oil 10-15 part, neopelex 4-12 part, for subsequent use;
2) plant extraction liquid described in, adopts following methods preparation: take banksia rose 20-30 part, camphortree bark 12-20 part, Common Camptotheca Fruit 30-50 part, Chinese prickly ash 5-10 part, trifoliate jewelvine 5-12 part according to parts by weight, for subsequent use; Shred after the banksia rose and camphortree bark drying, put in the container of smashing extractor, carry out fragmentation with the banksia rose and camphortree bark gross weight 4-5 70-80% hydrous ethanol doubly and extract 3 times, each 2-3 minute; By the banksia rose that obtains and camphortree bark mixed extract suction filtration, discard filter residue, by extract 60-70 DEG C of flash concentration to original volume 1/2-1/3, obtained Radix Aucklandiae extract concentrate; Common Camptotheca Fruit, Chinese prickly ash, trifoliate jewelvine are added the water soaking 3-4h of 4-6 times of plant gross weight, then at 100 DEG C, decoct 30-40min, finally cross and filter the dregs of a decoction, collect filtrate, by filtrate 60-70 DEG C of flash concentration to original volume 1/2-1/3, obtained Common Camptotheca Fruit, Chinese prickly ash and trifoliate jewelvine mixed concentrated liquid; The banksia rose and camphortree bark mixed extract concentrate and the mixing of Common Camptotheca Fruit, Chinese prickly ash and trifoliate jewelvine mixed concentrated liquid are plant extraction liquid;
3) by step 2) obtained plant extraction liquid mixes with turpentine oil, neopelex.
Described a kind of plant resource rice fulgorid repellant, is characterized in that this repellant is made up of the following material of parts by weight: plant extraction liquid 78-82 part, turpentine oil 12-14 part, neopelex 5-10 part.
Described a kind of plant resource rice fulgorid repellant, is characterized in that this repellant is made up of the following material of parts by weight: plant extraction liquid 80 parts, 13 parts, turpentine oil, neopelex 8 parts.
Described a kind of plant resource rice fulgorid repellant, is characterized in that step 2) in: banksia rose 22-28 part, camphortree bark 15-18 part, Common Camptotheca Fruit 35-45 part, Chinese prickly ash 6-8 part, trifoliate jewelvine 6-10 part.
Described a kind of plant resource rice fulgorid repellant, is characterized in that step 2) in: banksia rose 24-26 part, camphortree bark 16-17 part, Common Camptotheca Fruit 38-40 part, 7 parts, Chinese prickly ash, trifoliate jewelvine 8-9 part.
Described a kind of plant resource rice fulgorid repellant, is characterized in that step 2) in: carry out fragmentation extraction 3 times, each 3 minutes with 75% hydrous ethanol of the banksia rose and camphortree bark gross weight 4 times; By the banksia rose that obtains and camphortree bark mixed extract suction filtration, discard filter residue, by extract 65 DEG C of flash concentration to original volume 1/2, obtained Radix Aucklandiae extract concentrate.
Described a kind of plant resource rice fulgorid repellant, it is characterized in that step 2) in: water soaking 3h Common Camptotheca Fruit, Chinese prickly ash, trifoliate jewelvine being added 5 times of plant gross weights, then at 100 DEG C, 35min is decocted, finally cross and filter the dregs of a decoction, collect filtrate, by filtrate 65 DEG C of flash concentration to original volume 1/2, obtained Common Camptotheca Fruit, Chinese prickly ash and trifoliate jewelvine mixed concentrated liquid.
The banksia rose is the root of the feverfew banksia rose.Aplotaxis auriculata is produced in Chinese yunnan Lijiang Prefecture; Radix jurineae main product is in An County, Sichuan, Aba Tibetan Autonomous Prefecture, Yi Autonomous Prefecture of Liangshan.Autumn, season in winter two excavate, removing silt and fibrous root, segment, and vertical profile becomes lobe, hits tertia after drying, is good with the person of giving off a strong fragrance, and life is used or simmered and uses.The root oil of the banksia rose is main containing dehydro-α-curcumene, costunolide, banksia rose terpene aldehyde, constuslactone, dihydrocostulactone, alantolactone, different Sino-U.S. chrysanthemum element, cedrene, Humuleno, costol, elemol, glycine, banksia rose terpene amine isoreactivity composition, and result of the test finds that the rice grubs such as its reciprocity rice fulgorid have good repellent effect.
Camphortree bark, be the bark of canella camphor tree, the whole year can adopt, using fresh herb or dry.Bark surface is smooth, yellowish-brown, taupe or brown, has lobe ditch to stitch.Have camphor gas, taste is worked hard.Bark is containing left-handed-epicatechin, dextrorotation-epicatechin, former Cyanidin, cassia bark tannin I, propionic acid, butyric acid, valeric acid, stearic acid, myristoleic acid.Result of the test finds that the rice grubs such as its reciprocity rice fulgorid have good repellent effect.
Common Camptotheca Fruit is the fruit of Nyssaceae plant camptotheca acuminata, fallen leaves megaphanerophyte, leaf alternate, ovum shape rectangle or ovum shape ellipse, long 7-18cm, wide 5-1Ocm, and tip is gradually sharp, base portion circle or wide wedge shape, Quan Yuan, and there is cilium at edge, plumage arteries and veins 10-11 couple; Petiole is red, has thin hair.Flower unisexuality homophyletic, globulate capitulum; Calyx 5 fissure; Petal 5, green; Male flower stamen 10; Female flower ovary is the next, Room 1, and column cap 3 splits, and floral disc is obvious, and infructescence is spherical, August at florescence, really 10-November of phase.Be born in the moister place of below height above sea level 1000m, gather when autumn, fruit maturation not yet came off, dry.Containing camptothecine, venoterpine, 10-hydroxycamptothecine, betulic acid, vencoside-lactam isoreactivity composition in Common Camptotheca Fruit, cold in nature, bitter, puckery, poisonous.Result of the test finds that the rice grubs such as Common Camptotheca Fruit extract equity rice fulgorid have good repellent effect.
Chinese prickly ash is Rutaceae, Zanthoxylum machaka or dungarunga, can isolated planting can do again to protect thorn hedge.Fruit is rounded, mung bean size, and its crust is a kind of conventional perfumes.Red or aubergine pericarp is red green pepper during fruit maturation, seed is in green pepper order, and be all traditional Chinese medicine, family commonly uses flavouring, is more common in the hillside fields of height above sea level 2500 meters, also has plantation.Drought-enduring, happiness sunlight, the many plantations in various places.Main body of oil of volatilizing in Chinese prickly ash pericarp is citrene, 1, 8-Cineole, laurene, sabinene, estragole, the liquor-saturated ester of acetic acid pine tar, neryl acetate, skimmianine, green pepper alkali isoreactivity material.Result of the test finds that the rice grubs such as pepper extract equity rice fulgorid have good repellent effect.
Trifoliate jewelvine, trifoliate jewelvine, belongs to pulse family liane, climbing shrub, all only bald.Odd number winglike compound leaf.The life of raceme armpit or side are born on old branch; Anthocaulus consor, is slightly longer than calyx; Calyx is bell; Corolla butterfly, pink.Pod is flat and thin, tiltedly avette or square is circular.August at florescence.Really September phase.Its root is containing insecticide active substance-rotenone and analog.Insecticidal rotenone spectrum is wide, and can prevent and treat 800 various pests, be one of three great tradition pesticide plants.Trifoliate jewelvine is also good repellant.
Turpentine oil is the one of essential oil, and it is a kind of important raw material of industry.Turpentine oil is the liquid extracted from the rosin of coniferale plant by distillation or other method, and main component is terpenes.To be rich in the pine tree of rosin for raw material, the terpenes mixed liquor that the volatility obtained by different processing modes has aromatic odor is called turpentine oil.Terebinthine composition is different from the difference in seeds, the age of tree and the place of production, and with top grade and the one-level turpentine oil of masson pine pine gum processing, its main component is a-firpene, is secondly b-firpene, limonene etc.Also has a small amount of sesquiterpene, i.e. longifolene and caryophyllene.Plant extracts mixture in turpentine oil and the present invention, plays synergistic effect.
Neopelex, white or faint yellow powdery or chip solid.Difficult volatilization, soluble in water, water-solublely form translucent solution.To alkali, diluted acid, hard water stable chemical nature, micro-poison.Sodium alkyl benzene sulfonate is neutral, more responsive to the water hardness, not oxidizable, and foaming power is strong, and detergency is high, and easily with various additive compound, cost is lower, and synthesis technique is ripe, and application is extensive, is very outstanding anion surfactant.
In the present invention, the content of the banksia rose, camphortree bark, Common Camptotheca Fruit, Chinese prickly ash, each component of trifoliate jewelvine is different, and the proportioning of plant extraction liquid, turpentine oil, neopelex is different, then walk quickly and keep away effect difference to rice fulgorid.This repellant is by acting on the peripheral neverous system of rice fulgorid and disturbing or suppress the behavior of rice fulgorid, and these are completely different from the mechanism of action of insecticide.The secondary metabolites that in the banksia rose, Common Camptotheca Fruit, Lycoris radiata, the fruit of summer cypress, tool drives active composition to be plant for defending insect's food-taking to produce in long-term and insect coevolution process, can be divided into following several large class according to chemical constitution: alkaloids, terpenes, Organic Alcohol, ester, ketone, acids, thiophene and alkynes class isoreactivity material.
Above-mentioned a kind of plant resource rice fulgorid repellant, take plant as raw material, abundant raw material source, cost of material is low, pass through the banksia rose, camphortree bark, Common Camptotheca Fruit, Chinese prickly ash, trifoliate jewelvine optimization blends, the active ingredient of each group is complemented each other, there is cooperative synergism effect, obtained plant extraction liquid and synergist turpentine oil, auxiliary agent neopelex is used in combination, effectively can walk quickly and keep away rice fulgorid, its mating can be affected, lay eggs, thus reach control and cover crop from encroach on effect, rice fulgorid is walked quickly and kept away effective, and can not develop immunity to drugs, environmentally friendly, easy to use, safety.
The percentage composition related in present specification unless otherwise indicated, other the weight percentage being pure material.
Embodiment
Now in conjunction with embodiments of the invention and the test of pesticide effectiveness, further illustrate beneficial effect of the present invention.
Embodiment 1
The repellant of this plant resource control rice fulgorid, adopts following methods to make:
1) the following material of parts by weight is taken: plant extraction liquid 7,5kg, turpentine oil 1kg, neopelex 0.4kg, for subsequent use;
2) plant extraction liquid described in, adopts following methods preparation: take banksia rose 2kg, camphortree bark 1.2kg, Common Camptotheca Fruit 3kg, Chinese prickly ash 0.5kg, trifoliate jewelvine 0.5kg according to parts by weight, for subsequent use; Shred after the banksia rose and camphortree bark drying, put in the container of smashing extractor, carry out fragmentation extraction 3 times, each 2 minutes with 70% hydrous ethanol of the banksia rose and camphortree bark gross weight 4 times; By the banksia rose that obtains and camphortree bark mixed extract suction filtration, discard filter residue, by extract 60 DEG C of flash concentration to original volume 1/2, obtained Radix Aucklandiae extract concentrate; Common Camptotheca Fruit, Chinese prickly ash, trifoliate jewelvine are added the water soaking 3h of 4 times of plant gross weights, then at 100 DEG C, decoct 30min, finally cross and filter the dregs of a decoction, collect filtrate, by filtrate 60 DEG C of flash concentration to original volume 1/2, obtained Common Camptotheca Fruit, Chinese prickly ash and trifoliate jewelvine mixed concentrated liquid; The banksia rose and camphortree bark mixed extract concentrate and the mixing of Common Camptotheca Fruit, Chinese prickly ash and trifoliate jewelvine mixed concentrated liquid are plant extraction liquid;
3) by step 2) obtained plant extraction liquid mixes with turpentine oil, neopelex.
Embodiment 2
The repellant of this plant resource control rice fulgorid, adopts following methods to make:
1) the following material of parts by weight is taken: plant extraction liquid 7.8kg part, turpentine oil 1.2kg part, neopelex 0.5kg part, for subsequent use;
2) plant extraction liquid described in, adopts following methods preparation: take banksia rose 2.2kg, camphortree bark 1.5kg, Common Camptotheca Fruit 3.2kg, Chinese prickly ash 0.5kg, trifoliate jewelvine 0.5kg according to parts by weight, for subsequent use; Shred after the banksia rose and camphortree bark drying, put in the container of smashing extractor, carry out fragmentation extraction 3 times, each 3 minutes with 75% hydrous ethanol of the banksia rose and camphortree bark gross weight 5 times; By the banksia rose that obtains and camphortree bark mixed extract suction filtration, discard filter residue, by extract 70 DEG C of flash concentration to original volume 1/3, obtained Radix Aucklandiae extract concentrate; Common Camptotheca Fruit, Chinese prickly ash, trifoliate jewelvine are added the water soaking 4h of 6 times of plant gross weights, then at 100 DEG C, decoct 40min, finally cross and filter the dregs of a decoction, collect filtrate, by filtrate 70 DEG C of flash concentration to original volume 1/3, obtained Common Camptotheca Fruit, Chinese prickly ash and trifoliate jewelvine mixed concentrated liquid; The banksia rose and camphortree bark mixed extract concentrate and the mixing of Common Camptotheca Fruit, Chinese prickly ash and trifoliate jewelvine mixed concentrated liquid are plant extraction liquid;
3) by step 2) obtained plant extraction liquid mixes with turpentine oil, neopelex.
Embodiment 3
The repellant of this plant resource control rice fulgorid, adopts following methods to make:
1) the following material of parts by weight is taken: plant extraction liquid 8kg part, turpentine oil 1.3kg part, neopelex 1.1kg, for subsequent use;
2) plant extraction liquid described in, adopts following methods preparation: take banksia rose 2kg, camphortree bark 1.8kg, Common Camptotheca Fruit 4kg, Chinese prickly ash 0.9kg, trifoliate jewelvine 1.1kg according to parts by weight, for subsequent use; Shred after the banksia rose and camphortree bark drying, put in the container of smashing extractor, carry out fragmentation extraction 3 times, each 2 minutes with 80% hydrous ethanol of the banksia rose and camphortree bark gross weight 4 times; By the banksia rose that obtains and camphortree bark mixed extract suction filtration, discard filter residue, by extract 60 DEG C of flash concentration to original volume 1/3, obtained Radix Aucklandiae extract concentrate; Common Camptotheca Fruit, Chinese prickly ash, trifoliate jewelvine are added the water soaking 3.5h of 5 times of plant gross weights, then at 100 DEG C, decoct 35min, finally cross and filter the dregs of a decoction, collect filtrate, by filtrate 65 DEG C of flash concentration to original volume 1/3, obtained Common Camptotheca Fruit, Chinese prickly ash and trifoliate jewelvine mixed concentrated liquid; The banksia rose and camphortree bark mixed extract concentrate and the mixing of Common Camptotheca Fruit, Chinese prickly ash and trifoliate jewelvine mixed concentrated liquid are plant extraction liquid;
3) by step 2) obtained plant extraction liquid mixes with turpentine oil, neopelex.
Embodiment 4
The repellant of this plant resource control rice fulgorid, adopts following methods to make:
1) the following material of parts by weight is taken: plant extraction liquid 8.5kg, turpentine oil 1.5kg, neopelex 1.2kg, for subsequent use;
2) plant extraction liquid described in, adopts following methods preparation: take banksia rose 3kg, camphortree bark 2kg, Common Camptotheca Fruit 5kg, Chinese prickly ash 1kg, trifoliate jewelvine 1.2kg according to parts by weight, for subsequent use; Shred after the banksia rose and camphortree bark drying, put in the container of smashing extractor, carry out fragmentation extraction 3 times, each 3 minutes with 80% hydrous ethanol of the banksia rose and camphortree bark gross weight 5 times; By the banksia rose that obtains and camphortree bark mixed extract suction filtration, discard filter residue, by extract 70 DEG C of flash concentration to original volume 1/3, obtained Radix Aucklandiae extract concentrate; Common Camptotheca Fruit, Chinese prickly ash, trifoliate jewelvine are added the water soaking 4h of 6 times of plant gross weights, then at 100 DEG C, decoct 40min, finally cross and filter the dregs of a decoction, collect filtrate, by filtrate 60-70 DEG C of flash concentration to original volume 1/3, obtained Common Camptotheca Fruit, Chinese prickly ash and trifoliate jewelvine mixed concentrated liquid; The banksia rose and camphortree bark mixed extract concentrate and the mixing of Common Camptotheca Fruit, Chinese prickly ash and trifoliate jewelvine mixed concentrated liquid are plant extraction liquid;
3) by step 2) obtained plant extraction liquid mixes with turpentine oil, neopelex.
Below by way of corresponding test, the invention will be further described.
Test one:
(1) medicament, trial crops and controlling object: embodiment 1-4; Contrast: clear water.It is experimental field transplanting rice field.Controlling object is: rice fulgorid.
(2) experimental scheme and method
Field design: test and carry out in Fuyang City's transplanting early rice field, 5 process are established in test, are respectively: embodiment 1-4 and the contrast of blank clear water.Repeat 3 times, Gong15Ge community, surrounding establishes protection row.
Application method: repellant spray-on process, water consumption is 20-30L/ mu, and equipment is knapsack sprayer.
Test 5 d before dispenser, after medicine and investigate borer population, every district's investigation 1m
2.Investigation is recorded investigation strain number, strain number of causing harm, is calculated cause harm rate, seedling protecting effect, calculates expulsion rate, and the impact of dispenser on paddy growth has been investigated in test also each dispenser after medicine, the range estimation of investigation day, investigates safety.Result of the test is in table 1.
Result of the test shows: the expulsion rate of embodiment 1 pair of rice fulgorid is 99.68%, the expulsion rate of embodiment 2 pairs of rice fulgorids is 95.46%, the expulsion rate of embodiment 3 pairs of rice fulgorids is 97.8%, and the expulsion rate of embodiment 4 pairs of rice fulgorids is 94.5%, and the expulsion rate of clear water control group to rice fulgorid is 0; Embodiment 1-4 to the expulsion Be very effective of rice fulgorid, and does not damage the growth of paddy rice, use safety, reliable.
Claims (7)
1. a plant resource rice fulgorid repellant, is characterized in that adopting following methods to make:
1) the following material of parts by weight is taken: plant extraction liquid 75-85 part, turpentine oil 10-15 part, neopelex 4-12 part, for subsequent use;
2) plant extraction liquid described in, adopts following methods preparation: take banksia rose 20-30 part, camphortree bark 12-20 part, Common Camptotheca Fruit 30-50 part, Chinese prickly ash 5-10 part, trifoliate jewelvine 5-12 part according to parts by weight, for subsequent use; Shred after the banksia rose and camphortree bark drying, put in the container of smashing extractor, carry out fragmentation with the banksia rose and camphortree bark gross weight 4-5 70-80% hydrous ethanol doubly and extract 3 times, each 2-3 minute; By the banksia rose that obtains and camphortree bark mixed extract suction filtration, discard filter residue, by extract 60-70 DEG C of flash concentration to original volume 1/2-1/3, obtained Radix Aucklandiae extract concentrate; Common Camptotheca Fruit, Chinese prickly ash, trifoliate jewelvine are added the water soaking 3-4h of 4-6 times of plant gross weight, then at 100 DEG C, decoct 30-40min, finally cross and filter the dregs of a decoction, collect filtrate, by filtrate 60-70 DEG C of flash concentration to original volume 1/2-1/3, obtained Common Camptotheca Fruit, Chinese prickly ash and trifoliate jewelvine mixed concentrated liquid; The banksia rose and camphortree bark mixed extract concentrate and the mixing of Common Camptotheca Fruit, Chinese prickly ash and trifoliate jewelvine mixed concentrated liquid are plant extraction liquid;
3) by step 2) obtained plant extraction liquid mixes with turpentine oil, neopelex.
2. a kind of plant resource rice fulgorid repellant as claimed in claim 1, is characterized in that this repellant is made up of the following material of parts by weight: plant extraction liquid 78-82 part, turpentine oil 12-14 part, neopelex 5-10 part.
3. a kind of plant resource rice fulgorid repellant as claimed in claim 1, is characterized in that this repellant is made up of the following material of parts by weight: plant extraction liquid 80 parts, 13 parts, turpentine oil, neopelex 8 parts.
4. a kind of plant resource rice fulgorid repellant as claimed in claim 1, is characterized in that step 2) in: banksia rose 22-28 part, camphortree bark 15-18 part, Common Camptotheca Fruit 35-45 part, Chinese prickly ash 6-8 part, trifoliate jewelvine 6-10 part.
5. a kind of plant resource rice fulgorid repellant as claimed in claim 1, is characterized in that step 2) in: banksia rose 24-26 part, camphortree bark 16-17 part, Common Camptotheca Fruit 38-40 part, 7 parts, Chinese prickly ash, trifoliate jewelvine 8-9 part.
6. a kind of plant resource rice fulgorid repellant as claimed in claim 1, is characterized in that step 2) in: carry out fragmentation extraction 3 times, each 3 minutes with 75% hydrous ethanol of the banksia rose and camphortree bark gross weight 4 times; By the banksia rose that obtains and camphortree bark mixed extract suction filtration, discard filter residue, by extract 65 DEG C of flash concentration to original volume 1/2, obtained Radix Aucklandiae extract concentrate.
7. a kind of plant resource rice fulgorid repellant as claimed in claim 1, it is characterized in that step 2) in: water soaking 3h Common Camptotheca Fruit, Chinese prickly ash, trifoliate jewelvine being added 5 times of plant gross weights, then at 100 DEG C, 35min is decocted, finally cross and filter the dregs of a decoction, collect filtrate, by filtrate 65 DEG C of flash concentration to original volume 1/2, obtained Common Camptotheca Fruit, Chinese prickly ash and trifoliate jewelvine mixed concentrated liquid.
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Cited By (3)
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| CN106719907A (en) * | 2016-12-29 | 2017-05-31 | 中央民族大学 | Insect prevention agricultural chemicals and preparation method thereof |
| CN108715596A (en) * | 2018-08-24 | 2018-10-30 | 广西田园生化股份有限公司 | The application of betulic acid and its derivative in preventing planthopper |
| CN115152802A (en) * | 2022-07-18 | 2022-10-11 | 湖北省农业科学院植保土肥研究所 | Application of saussurea lappa extract in control of bemisia tabaci adults |
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