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51 results about "Phyllocoptruta oleivora" patented technology

Method for preventing Gonggan fruit cracking

The invention belongs to the technical field of fruit tree planting and particularly relates to a method for preventing Gonggan fruit cracking. The method comprises the following steps: heavily applying base fertilizer: applying yard manure (5-10 ton / mu) to soil; covering the soil under fruit trees: using straws, weeds and the like to cover the soil under the fruit trees, improving the permeation adsorption and retention capability of the soil on rainwater, and reducing the ground surface temperature; irrigating in time: keeping the orchard soil moist; spraying foliar fertilizer and boron fertilizer: using high potassium foliar fertilizer, high calcium foliar fertilizer and boron fertilizer spray during the young fruit enlargement period; sprinkling fertilizer solution: using 2% calcium superphosphate leaching solution; spraying a lime-sulfur mixture: in the morning or evening, applying the lime-sulfur mixture ( 0.3-0.4 degree Baume density) to tree crowns for 1-2 times to reduce invasion of pathogens from fruit tops and also prevent Phyllocoptruta oleivora and red spider; and removing cracking fruits: if discovering cracking fruits, removing the cracking fruits in time to prevent pathogen invasion or parasitism. The method can effectively prevent Gonggan fruit cracking and reduce the cracking rate of Gonggan fruits.
Owner:ZHONGSHAN JIAYUAN ECOLOGICAL AGRI CO LTD

Special insecticide for Shatian pomelo as well as preparation method and application thereof

The invention discloses a special insecticide for Shatian pomelo as well as a preparation method and application thereof and relates to the technical field of insect killing of the Shatian pomelo. Thespecial insecticide is prepared from the following components in parts by weight: 30 to 50 parts of a traditional Chinese medicine extracting solution, 1 to 5 parts of azadirachtin, 1 to 3 parts of celangulin-V, 2 to 6 parts of toosendanin, 3 to 5 parts of camptothecin, 2 to 8 parts of furanocoumarin, 3 to 8 parts of plant essential oil, 1 to 3 parts of sodium hydroxide, 0.5 to 2 parts of acetone, 1 to 6 parts of 95 percent ethanol and 1 to 3 parts of an emulsifier. After the special insecticide for the Shatian pomelo is blended with water which is 100 to 200 times of the volume of the special insecticide, a mixture is sprayed on plant parts with insect pests or whole plants, and can be used for efficiently preventing and controlling the insect pests including phyllocoptruta oleivora ashmead, scale insects, phyllocnistis citrella, Resseliella ctitrifrugis Jiang, bactrocera dorsalis, aphids and contarinia citri barnes of the Shatian pomelo, and the insect killing rate reaches 99 percent or above; the special insecticide for the Shatian pomelo has the advantages of low toxicity, easiness for degradation, no residues and no harms to people and environment, and accords with a conceptof green and pollution-free planting of the Shatian pomelo.
Owner:JINGXI XIUMEI BIANCHENG AGRI SCI & TECH CO LTD

Anti-sunscald spray-whitening method for citrus

The invention discloses an anti-sunscald spray-whitening method for citrus. The anti-sunscald spray-whitening method comprises the following steps: (1) preparation of a spray-whitening coating: a stepof subjecting blue algae to jet impact treatment, then placing the treated blue algae together with polyvinyl acetate into a reactor, starting a stirrer for stirring, carrying out heating to 50 to 55DEG C, then dropwise adding an initiator, after the initiator is dropwise added, adding sodium hydroxide, light calcium carbonate and deionized water, and continuing stirring so as to obtain a finished spray-whitening coating product; and (2) whole-tree spray-whitening: a step of subjecting a citrus tree to first whole-tree spray-whitening with the finished spray-whitening coating product in a sunny day with a maximum temperature of larger than 30 DEG C at the end of June to the beginning of July every year, carrying out secondary whole-tree spray-whitening with the finished spray-whitening coating product in the middle of August, and carrying out third whole-tree spray-whitening with the finished spray-whitening coating product when a monthly rainfall amount is no less than 100 mm or a monthly average daily maximum temperature reaches 32 DEG C in September. The anti-sunscald spray-whitening method provided by the invention can reduce the sunscald rate of the citrus, and can control occurrence of common citrus diseases and pests like Panonychus citri, Phyllocoptruta oleivora Ashmead and citrus canker.
Owner:广西桂洁农业开发有限公司 +2
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