55results about How to "The purpose of effective prevention" patented technology

The invention relates to a herbicide composition containing s-metolachlor and flumioxazin. The herbicide composition comprises s-metolachlor and flumioxazin at a weight ratio of 1:60-60:1, and preferably at 63:2. The herbicide composition can be prepared into wettable powder, water dispersible granule, dispersible oil suspension, emulsion in water, and micron emulsion, can be used for preventing and controlling a plurality of crop weeds, is capable of reducing pesticide using amount, reducing pesticide residue, and increasing yield at a certain degree, and is high in environment compatibility.

The invention discloses an herbicide for paddy fields. The herbicide consists of active ingredients A, B and C as well as appropriate pesticide adjuvants, wherein the active ingredient A is pyrazosulfuron-ethyl, the ingredient B is oxyfluorfen, and the ingredient C is one of mesotrione and oxadiargyl; and the ratio of the active ingredients A to B to C in the herbicide is (1-20) to (1-20) to (1-20) in parts by weight. The herbicide disclosed by the invention can be prepared as one of a suspending agent, wettable powder or granules, and the herbicide can be used for preventing and controlling annual weeds in the paddy transplanting fields.

The invention discloses a herbicidal composition containing benzobicyclon, pyrazosulfuron-ethyl and pretilachlor, relating to the technical field of pesticide compounding. The herbicidal composition is prepared from the following effective components: the benzobicyclon, the pyrazosulfuron-ethyl and the pretilachlor, wherein the weight ratio of the benzobicyclon to the pyrazosulfuron-ethyl to the pretilachlor in the herbicidal composition is (1 to 30) to 1 to (1 to 30); the total weight percentage of the benzobicyclon, the pyrazosulfuron-ethyl and the pretilachlor in the composition is 1 to 80 percent. According to the herbicidal composition disclosed by the invention, a herbicide controlling spectrum can be significantly widened and the overall control effect on weeds in a paddy field is improved; meanwhile, the composition has good safety for rice, and is an excellent novel medicinal combination for controlling annual weeds in the paddy field.

The invention discloses a rice field weeding composition and application thereof, and relates to the technical field of pesticide compounding. The rice field weeding composition is prepared from, by weight, 10-60% of active ingredients and 40-90% of pesticide preparation auxiliary ingredients, wherein the first active ingredient is halauxifen-methyl, the second active ingredient is any one of cyhalofop-butyl and metamifop, and the weight ratio of the first active ingredient to the second active ingredient is (1:10)-(10:1). By means of the rice field weeding composition, a weed control spectrum can be significantly extended, and the overall control effect on rice field weeds can be improved. Meanwhile, the composition is good for rice safety and is a very good novel pesticide composition capable of controlling annual weeds in a rice field.

The invention discloses a pesticide composition containing Xiaochongthion and bifenazate. The pesticide composition contains a first active ingredient Xiaochongthion, a second active ingredient bifenazate and commonly-used auxiliary ingredients, wherein weight ratio of Xiaochongthion to bifenazate is 30:1-1:30, and the total weight of Xiaochongthion and bifenazate in the composition is 1-85 wt%. It shows through a lot of indoor and outdoor tests that the pesticide composition has an obvious synergic effect. Insecticidal spectrum is broadened. The pesticide composition can be used in controlling various insects in agriculture, such as red spider, whitefly, scale insect and the like. Meanwhile, usage amount of pesticides is reduced, residual quantity of pesticides on crops is minimized, environmental pollution is mitigated, and generation of pest resistance to insecticide is delayed.

The invention discloses a weeding composition. The weeding composition comprises the following effective components: flumioxazin, pendimethalin and prometryn, the weight ratio of the flumioxazin, thependimethalin and the prometryn in the weeding composition is (1-3): (20-40): (20-40), and the total weight percentage of the flumioxazin, the pendimethalin and the prometryn in the weeding composition is 1%-80%. By the weeding composition, a herbicide controlling spectrum can be expanded remarkably, overall prevention and removal effects to weeds in cotton fields are achieved, and meanwhile, thecomposition is good in safety to cottons, and is an excellent novel pesticide combination which prevents and removes annual weeds of cotton fields.

The invention relates to an anilofos, cyhalofop-butyl and metamifop-containing herbicide composition which has the synergistic interaction, wherein the mass ratio of anilofos to cyhalofop-butyl to metamifop is (10-25) to (10-25) to (4-10), more preferably, (10-15) to (20-25) to (8-10) and most preferably, 15 to 25 to 8.

The invention discloses a weeding composition containing mesotrione, penoxsulam and metamifop. The weeding composition is prepared from the following effective components: the mesotrione, the penoxsulam and the metamifop. The weight ratio of the mesotrione to the penoxsulam to the metamifop in the weeding composition is (1 to 5) to (1 to 3) to (5 to 15) and the total weight percentage of the mesotrione, the penoxsulam and the metamifop in the composition is 1 to 80 percent. The weeding composition containing the mesotrione, the penoxsulam and the metamifop, disclosed by the invention, has theadvantages that the weed control spectrum can be significantly enlarged and the overall control effect of weeds in a paddy field is improved; meanwhile, the composition has good safety to paddy rice and is a novel pesticide combination for preventing and killing annual weeds in the paddy field.

The invention relates to a weeding composition containing topramezone and clodinafop-propargyl. The weeding composition has a synergetic effect. The weight ratio of topramezone to clodinafop-propargyl is (1 to 15)-(10 to 3), preferably is (1 to 1)-(1 to 5) and most preferably is 1 to 2.

The invention relates to a herbicidal composition containing dichloroquinoline oxadiazon and clomazone. The herbicidal composition has synergistic effects in a certain ratio range. The weight ratio of dichloroquinoline oxadiazon to clomazone is (1 to 50)-(25 to 1).

The invention relates to weeding composition containing bentazone and carfentrazone as well as penoxsulam. The effective components of the weeding composition are bentazone and carfentrazone as well as penoxsulam, and the weight part ratio of bentazone, carfentrazone and penoxsulam is (1-40):(1-15):(1-15). The weeding composition has a synergistic effect, expands a weeding spectrum, reduces the pesticide consumption, alleviates the environmental pollution and delays the pesticide resistance of the weeds, and an effect of preventing and removing annual weeds in paddy fields is remarkably superior to that of a separately used individual weedicide.

The invention discloses a weeding composition for controlling and removing annual weeds in corn fields. Active ingredients of the composition are halosulfuron-methyl, aminopyralid and rimsulfuron. The weeding composition has a remarkable synergistic effect and has a more obviously excellent effect of controlling and removing annual weeds in corn fields than a single ingredient. Dosage of the active ingredients of the composition is obviously reduced in comparison with dosage of a single ingredient. In addition, weed control spectrum is broadened, drug resistance of weeds is delayed, and environmental pollution is mitigated.

The invention discloses a pesticide composition containing topramezone. The effective constituents of the pesticide composition comprise topramezone, mesotrione, s-metolachlor and atrazine. The pesticide composition has remarkable synergistic interaction and is obviously superior to single application of a single dose in preventing and eliminating annual weed effect in a corn field; the dosage of the effective constituents of the pesticide composition is remarkably reduced compared with that of the single dose; in addition, the weed control spectrum is controlled, the generation of weed drug resistance is slowed down, and the pollution to the environment is relieved.

The invention relates to a weeding composition containing penoxsulam, anilofos and propanil. The weeding composition has synergistic effects, and a weight ratio of the penoxsulam to the anilofos to the propanil is (1.5-2.5):(10-30):(100-200), and preferably 2:30:150.

The invention relates to a pesticide composition, wherein the effective components of the composition are pyridine quinazoline and eucalyptol. According to the invention, the composition is used for preventing and treating aphids and whiteflies harmful to plants; through indoor co-toxicity coefficient measurement, pyridine quinazoline and eucalyptol are compounded according to a ratio of (1:20)-(20:1) to achieve a synergistic effect on aphids and whiteflies; and pyridine quinazoline and eucalyptol are mixed to prepare into a suspoemulsion and a dispersible oil suspending agent pesticide preparation, and the effect of preventing and controlling crop aphids and whiteflies in the field is obviously superior to that of single use of pyridine quinazoline and eucalyptol.

The invention relates to a herbicidal composition containing propyrisulfuron, cyhalofop-butyl and fenoxaprop-P-ethyl. The herbicidal composition contains active ingredients of propyrisulfuron, cyhalofop-butyl and fenoxaprop-P-ethyl, wherein the percentage by weight of propyrisulfuron in the herbicidal composition is 0.1%-30%, the percentage by weight of cyhalofop-butyl in the herbicidal composition is 0.1%-40%, and the percentage by weight of fenoxaprop-P-ethyl in the herbicidal composition is 0.1%-20%. The herbicidal composition provided by the invention has a synergistic effect, the effect of controlling annual weeds in a paddy rice field is obviously better than the effect when a respective agent is used alone, the herbicide controlling spectrum is expanded, the dosage is simultaneously reduced, the production of drug resistance of the weeds is delayed, and the environmental pollution is reduced.

The invention relates to a herbicide composition for sorghum fields. The herbicide composition comprises 1-20wt% of active ingredient A, 1-30wt% of active ingredient B, 1-40wt% of active ingredient C and the balance of pesticide adjuvants, wherein the active ingredient A is quinclorac; the active ingredient B is halosulfuron-methyl; the active ingredient C is atrazine. The herbicide composition is reasonable in components, has synergistic effects, can be used for overcoming the defects of incomplete weed control spectrums or lower activities on certain weeds caused by singly using herbicides and the defect of poorer fast-acting property and reducing the resistance risks caused by using single compounds or binary compounds. The herbicide composition has the advantages that the control effects of the herbicide composition are obviously improved compared with the control effects of single herbicides; the use dosages of the pesticides are reduced, thus reducing the adverse effects of the pesticides on the ecological environment; the herbicide composition is of important significance to comprehensive treatment of weed resistance and has huge economic and social benefits.