67 results about "Drosophila buzzatii" patented technology

The invention discloses a botanical insecticide and a preparation method thereof. The effective components of the botanical insecticide comprise the following raw materials in parts by weight: 30-70 parts of camellia seed cakes, 10-30 parts of melia azedarach, 10-30 parts of fructus cnidii, 20-40 parts of radix stemonae and 20-40 parts of chilies. The botanical insecticide disclosed by the invention has a significant effect on controlling varied pests such as aphides, red spiders, core-eating insects and fruit flies on a fruit tree. The botanical insecticide disclosed by the invention has the advantages that the control effect is good, pests cannot have the resistance to the drugs easily, the cost is low, the insecticide is environment-friendly, the preparation method is simple, and the market prospect is great; and the botanical insecticide deserves wide popularization and application in agricultural production.

The invention relates to a slow release fruit fly attractant and application thereof, belonging to the field of pest control. The slow release fruit fly attractant comprises the following main components in percentage by weight: 1-20% of carbohydrate, 5-40% of protein source materials, 0.5-20% of plant allelochemicals, 0.01-10% of toxic components, 0.5-5% of emulsifying agent, 1-15% of moisture regulator and 0.1-5% of preservative. By adding water to the components to 100% and fully and uniformly stirring, a semisolid ointment slow release attractant is obtained to be applicable to the prevention and treatment of fruit flies. The slow release attractant of the invention exists in a semisolid ointment state, can be directly scrawled in a fruit fly attracting bottle, can be mixed with waterfor local spraying, and has the characteristics of very convenient operation, male-female attraction, favorable attraction effect, long duration and safety for the crop.

A male annihilation insecticide formulation, having a viscosity appropriate for use in aerial or backpack spray applications and suitable for on-crop or off-crop uses, comprises an insect toxicant and a male-specific attractant, such as a parapheromone, for a target insect species, such as fruit fly, dispersed and entrapped in an emulsion comprising a biodegradable wax, an emulsifiers, and water.

The invention provides a compound for trapping and killing drosophila melanogaster. The compound is characterized by being prepared from the following raw materials according to ratio: 40-60wt% of Chinese herbal medicine asarum powder, 1-3wt% of brown sugar, 5-10wt% of millet wine, 5-10wt% of rice vinegar and 20-40wt% of water. The compound does not pollute the environment, has no toxic and side effect to human, livestock and fertilization insects, the pesticide effect is long and can be kept for about three months, the cost is low and the compound is cheap.

The invention discloses a method for cultivating organic blueberries in low-latitude and high-altitude areas. The method comprises the steps as follows: selecting fields with the slope gradient not higher than 10 degrees, the soil PH value being 4.0-6.0 and the organic matter content being not lower than 5%, and carrying out field soil preparation with the deep tillage depth being 20-25 cm in the year before field planting; selecting blueberry seedlings to perform field planting in winter or in rainy seasons of the next year, then covering a moist soil surface with a mulching material and performing filed planting on seedlings which are sufficiently watered; performing fruit tree pruning twice including pruning after fruit picking, and pruning and disbranching in winter; adopting drop irrigation or irrigation to maintain the maximum water-holding capacity of the soil to be 60-70%, and applying organic fertilizer in twice every year, wherein applying organic fertilizer after blueberry harvest and before spring-growth on the moist soil surface, and applying fertilizer heavily while ditching to realize water and fertilizer management; trapping the adults and larva of scarabs by adopting light and / or trapping and killing by using willow leaves impregnated with pesticide and performing deep ploughing to enable the larva of scarabs to be exposed to the sun; trapping and killing drosophila melanogasters with sweet lure or yellow sticky boards. The method for cultivating organic blueberries in low-latitude and high-altitude areas has the characteristics that the management is simple and convenient, damage caused by diseases is less, good harvest and high quality of the blueberries are achieved, and the blueberries obtained by adopting the method are purely natural and pollution-free.

The invention discloses an arbutus tree pruning method facilitating insect net suspension. According to the invention, robust supporting branches are directly cultivated on the periphery of an arbutus tree; inner large branches are thinned; and an entire crown is subjected to dwarfing retraction cutting. Therefore, a natural support formed by arbutus tree large branches is used as a support frame for suspending the insect screen. The insect screen can be suspended on the arbutus plant, such that damages caused by fruit tree pests such as fruit flies can be prevented. The implementation method of the invention is simple, and cost is low. With the method, insect net suspension time is short, and efficiency is high. The harm of pests to arbutus fresh fruits can be substantially reduced, and fruit farmer funding can be substantially reduced. The method has significant economic benefit, and is suitable for popularization.

The present invention relates to a fruit fly attractant, which comprises the following components and their parts by weight: 60-120 parts by weight of fruit, 20-40 parts by weight of yeast, 2-50 parts by weight of sweetener, and 10-40 parts by weight of insecticide parts by weight, 5-15 parts by weight of water, 60-150 parts by weight of flour, and 5-10 parts by weight of preservatives; the fruit fly attractant prepared by the present invention is in powder form, which is convenient for transportation and use, and can be carried out in bags. It is sold, which reduces the cost of making trap bottles, and can be mixed with water or vinegar when used, of course, it can also be used alone, and the effect of attracting fruit flies is good.

The invention provides a method for mass-producing parasitic wasps of fruit flies by means of drosophila melanogaster. By fast and simply collecting pupae of the drosophila melanogaster, mass breedingand parasitism of the parasitic wasps of the fruit flies are simply completed, in a pupal stage, the parasitic wasps of the fruit flies are fast and simply separated from the unparasitized drosophilamelanogaster, and the number and a sex ratio of the parasitic wasps of the fruit flies are fast and simply regulated and controlled, so that full mating and a proper parasitism rate are ensured.

The invention discloses a fruit fly catching device with an attractant having a rapid attracting function, pertaining to the field of pest control. The fruit fly catching device comprises a cup body used for containing attractant having the rapid attracting function, a cup lid, a sun protection cover, a connecting structure and a catching container arranged between the cup body and the cup lid and used for trapping. The cup body comprises a main cup body and an end opening at the upper portion of the main cup body. A first short column and a second short column, used for fixing the catching container and the cup lid, are symmetrically arranged along the end opening. The cup lid comprises a channel arranged on the cup lid and used for ingress of fruit flies, a first fixing part arranged at the center of the upper portion, a first clamping structure and a second clamping structure. The first clamping structure and the second clamping structure are arranged on the periphery of the cup lid and used for clamping the first short column and the second short column. The attractant comprises: (1) fruit and vegetable food, drinks, yeast, edible vinegar, sweeteners, insecticides and water; or (2) drinks, edible vinegar, sweeteners and insecticides. The fruit fly catching device with the attractant having the rapid attracting function is easily assembled and is capable of rapidly trapping fruit flies and is low in manufacturing cost.

The invention relates to a method and a device for propagating fruit flies by utilizing a liquid culture medium. The method comprises the following steps that (1) the liquid culture medium is prepared; (2) a fruit fly cage mode is used for feeding adult fries; (3) larvae are fed, and flyblows are obtained: (3-1) a feeding tank for feeding fruit fly larvae is manufactured; (3-2) the liquid culture medium is added into the feeding tank; (3-3) the feeding tank is put into a fly cage; (3-4) fruit flyblows are obtained; (4) after the fruit fly larvae are fed to the aging state, old and mature larvae are eluted and filtered; (5) the larvae are placed in a bag, after the fruit fly larvae are pupated, fruit fly pupae are cut off together with the bag, and undamaged fruit fly pupae are obtained. The method and the device have the advantages that various insect states, particularly older larvae and fruit fly larvae, can be easily obtained, the surfaces of the older larvae and the pupae of the obtained fruit flies are clean, and the pupa body is complete and is not damaged.

The invention discloses a method for detecting the feed intake of fruit flies, which comprises the following steps: (1) cultivating the fruit flies to be tested using a first solid medium; (2) after the fruit flies complete the first cycle of cultivation , using the second solid medium to continue the second cycle of cultivation; (3) after completing the second cycle of cultivation, the fruit fly excrement is measured; wherein, the first solid medium contains brilliant blue dye, and the second solid medium Contains no dyes. The invention can accurately and continuously measure the feed intake of the fruit flies at multiple time points for a long time without harming the fruit flies.

The patent of the present invention relates to the field of pest biological control, and provides a simple and rapid breeding method for the parasitic wasp trichomes of the spotted wing Drosophila pupae. The main contents of the method are: the preparation of the Drosophila insect tank and the parasitoid bee tank; the reproduction of the spotted wing Drosophila and the Drosophila melanogaster; parasitism; application of parasitic wasps after mass rearing. The method is time-saving, labor-saving, simple and easy to install, and can multiply the scutellaria trichomes in a large amount in a short period of time, so as to meet the requirements of a large population experiment of this parasitic wasp in the laboratory or apply it to the control of fruit flies in the field.

The invention relates to the field of autonomous navigation of unmanned boats, and in particular, to a layered obstacle avoidance method for unmanned boats based on improved fruit fly optimization and dynamic window methods. The invention includes: step S1: establishing a geographical environment model for maritime navigation of unmanned boats based on electronic charts; step S2: using an improved fruit fly optimization algorithm to complete global optimal path planning; step S3: establishing an environmental model of dynamic obstacles; Step S4: Use the improved dynamic window method to avoid moving obstacle ships. The present invention provides an obstacle avoidance method that switches between dynamic and static obstacle avoidance modes based on judgment conditions, which can effectively avoid obstacles during navigation, avoid the algorithm from falling into the local optimal solution, and adopt fuzzy control methods to determine the optimal trajectory. The weight parameters are dynamically controlled to improve the accuracy and efficiency of trajectory prediction.

The invention relates to the technical field of biological mediums, in particular to a medium for prolonging the life of fruit flies and preparation and use methods thereof. The preparation method includes the following steps: (1) obtaining a Phellinus igniarius fruit body; (2) preparing a Phellinus igniarius water extract; (3) conducting freeze drying; (4) formulating a mother liquor; (5) conducting diluting; and (6) formulating a medium. The medium containing the Phellinus igniarius water extract is added, and by observing the life of fruit flies, the medium can significantly prolong the life of fruit flies. Compared with a control group, under same feeding conditions including temperature, humidity and light conditions, through calculation on the semi-lethal dose, the added Phellinus igniarius water extract can significantly increase the semi-lethal days by 7d compared with a control medium, thereby significantly prolonging the lifespan of fruit flies.