CN103314975A - Pesticide composition for prevention and control of wheat scab, its preparation method and use - Google Patents
Pesticide composition for prevention and control of wheat scab, its preparation method and use Download PDFInfo
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- CN103314975A CN103314975A CN2012100767279A CN201210076727A CN103314975A CN 103314975 A CN103314975 A CN 103314975A CN 2012100767279 A CN2012100767279 A CN 2012100767279A CN 201210076727 A CN201210076727 A CN 201210076727A CN 103314975 A CN103314975 A CN 103314975A
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Abstract
The invention provides a pesticide composition for prevention and control of wheat scab, its preparation method and use. The composition contains mancozeb and carbendazim that are in a mass ratio of 3:17-4:1. Spraying of the composition from the first flowering dates of wheat crops to the next 12 days thereafter can effectively improve the disease resistance of wheat, prevent and control scab, and can promote fertilization, increase the fruiting number, as well as enhance the yield. Moreover, the pesticide composition has a wide application period, the prevention and control effects are undifferentiated among varieties, and there exists no interaction effect with the varieties.
Description
Technical field
The invention belongs to technical field of pesticide, be specifically related to a kind of composition pesticide of preventing and treating gibberella zeaze petch of wheat and barley and its production and use.
Background technology
To a great extent climate impact of the generation of gibberella zeaze petch of wheat and barley, therefore, in the suitable popular time of gibberella zeaze petch of wheat and barley of weather conditions, chemical agent plays conclusive effect to the control of gibberella zeaze petch of wheat and barley.Chemical control for gibberella zeaze petch of wheat and barley, the scientific worker finds that by a large amount of experimental studies comparatively the ideal system bactericide mainly contains two classes both at home and abroad: tolimidazole carbamic acid class (MBC, comprise carbendazim and benomyl) and triazole type (such as fast Poly, Tebuconazole, hydroxyl bacterium azoles and propiconazole etc.).The seventies, the MBC series bactericidal agent in South America, some areas in East Asia and Europe are proved to be able to prevent and treat the popular of gibberella zeaze petch of wheat and barley, mainly are F.graminearum the pathogen of these regional head blight.Find by test that some triazole bactericidal agents are the same with benomyl in some countries in Europe afterwards and also can effectively prevent and treat head blight, such as Tebuconazole (Tebuconazol, trade name also is Fu Liku Folicur).In China, since 20 century 70s, carbendazim is considered to prevent and treat the effective agent of head blight always, but the key of using carbendazim effectively to prevent and treat head blight is spraying time.Particularly, spray carbendazim at heading stage or flowering stage, preventive effect can reach 80% to 90%, can not effectively prevent and treat head blight but spray carbendazim before heading or after blooming; Ear to blooming during this period of time from the wheat class, spraying times is determined by the disease resistance of weather conditions and kind.For the expense that reduces dispenser and delay drug-fast generation, sometimes with carbendazim and other bactericide or Mixture Use of Insecticides, as carbendazim and triazolone and some Mixture Use of Insecticides can be prevented and treated the insect pest of wheat class Various Diseases.In the bactericide of other type, some bactericide have good preventive effect to head blight, but unstable or easily develop immunity to drugs; Some bactericide can make the state of an illness of head blight reduce, but can not reduce the content of toxin in the seed, some bactericide even the content of toxin in the seed is increased.Nearly 300 kinds of the head blight control medicaments of present domestic registration, however these medicaments can only suppress the growth of gibberellic hypha, alleviate the harm of head blight, and can not improve variety resistance, can not increase grain number per spike, can not improve wheat crops output.
Therefore, need a kind of novel agrochemical that can prevent and treat gibberella zeaze petch of wheat and barley, enhancing wheat class plant disease resistance and improve wheat crops output.
Summary of the invention
The object of the present invention is to provide a kind of composition pesticide of preventing and treating gibberella zeaze petch of wheat and barley and its production and use.
Above-mentioned purpose of the present invention realizes by following technical measures:
The composition pesticide of control gibberella zeaze petch of wheat and barley provided by the invention comprises mancozeb and carbendazim.Mancozeb, chemical name are the complex salt of the two two thiocarbamoyl manganese of ethylene and zinc, are the protective fungicide of wide spectrum, the multiple fungal disease of control wheat class, fruit, vegetables etc.Carbendazim is a kind of benzimidazole germicide, and formal name used at school 2-benzimidazolyl methyl carbamate is called for short MBC.
This composition pesticide not only can improve wheat class disease resistance effectively, prevents and treats head blight; But also can promote fertilization, and increase the mature grain number, improve output; It is wide to use the period; Control efficiency is indifference between kind, do not exist with kind make mutually effect.
In the composition pesticide of the present invention, mancozeb: the mass ratio of carbendazim is 3: 17 to 4: 1.
In the preferred embodiment of the present invention, described mancozeb: the mass ratio of carbendazim is 1: 3 to 3: 2.
In the embodiment that the present invention is more preferably, described mancozeb: the mass ratio of carbendazim is 7: 18 to 3: 7.
The method of preparation provided by the invention composition pesticide of the present invention comprises: the mixture of preparation mancozeb and carbendazim, wherein, mancozeb: the mass ratio of carbendazim is 3: 17 to 4: 1.
In the preferred embodiment of the present invention, the mixture of preparation mancozeb and carbendazim, wherein, described mancozeb: the mass ratio of carbendazim is 1: 3 to 3: 2.
In the embodiment that the present invention is more preferably, the mixture of preparation mancozeb and carbendazim, wherein, described mancozeb: the mass ratio of carbendazim is 7: 18 to 3: 7.
In addition, composition pesticide of the present invention can be used for preventing and treating gibberella zeaze petch of wheat and barley.
The raw material sources of this novel agrochemical for gibberella zeaze petch of wheat and barley control provided by the invention are extensive, cheap, and compound method is simple.Wherein, described composition pesticide contains mancozeb and carbendazim, be understandable that, can contain conventional carrier, surfactant and auxiliary agent etc. in the composition pesticide of the present invention, those skilled in the art can prepare described composition pesticide accordingly according to the method for practical application with routine.Composition pesticide provided by the invention can either effectively be prevented and treated head blight, improve wheat class disease resistance, can also promote fertilization, increases the mature grain number, improve output, and it is used, and the period is wide, and control efficiency is indifference between kind, do not exist with kind make mutually effect.
Embodiment
Come below in conjunction with specific embodiments the present invention is described in further detail, following examples only are in order to illustrate, the present invention not to be consisted of any restriction.
Embodiment 1: the preparation of composition pesticide
Get 60% commercially available spray gram (the quality percentage composition of active ingredient mancozeb is 60%) 50g and commercially available precious (the quality percentage composition of active ingredient carbendazim is 50%) 150g of 50% mildew-resistant, the two evenly is mixed to get composition pesticide of the present invention, in resulting composition pesticide, mancozeb: the mass ratio of carbendazim is 2: 5.Before the use, in the described composition of every 750g, be blended into 675kg water, according to this ratio described composition pesticide be mixed with liquid.
Embodiment 2: the preparation of composition pesticide
Get commercially available 60% and give birth to greatly (the quality percentage composition of active ingredient mancozeb is 60%) 67g and commercially available 50% Kai Jiang (the quality percentage composition of active ingredient carbendazim is 50%) 133g, the two evenly is mixed to get composition pesticide of the present invention, in resulting composition pesticide, mancozeb: the mass ratio of carbendazim is 20.1: 33.25.Before the use, in the described composition of every 750g, be blended into 675kg water, according to this ratio described composition pesticide be mixed with liquid.
Embodiment 3: the preparation of composition pesticide
Get 60% commercially available spray gram (the quality percentage composition of active ingredient mancozeb is 60%) 75g and 50% commercially available system prosperous (the quality percentage composition of active ingredient carbendazim is 50%) 75g, the two evenly is mixed to get composition pesticide of the present invention, in resulting composition pesticide, mancozeb: the mass ratio of carbendazim is 6: 5.Before the use, in the described composition of every 750g, be blended into 675kg water, according to this ratio described composition pesticide be mixed with liquid.
Embodiment 4: the composition pesticide of preparation is at the preventing disease production-increasing effect of different location among the embodiment 1
This embodiment carries out on the different Lianyuan City, Hunan Province of Wheat Production condition, Yongshun County, Cili County and Zhangjiajie City Yongding District 4 ground.Wheat breed for examination is E excellent 137.Method cultivation management routinely.Full-bloom stage is used respectively the composition pesticide (750g/hm of the preparation among the embodiment 1
2), the precious (750g/hm of 50% mildew-resistant
2) and clear water (contrast) spraying, randomised block design repeats residential quarter area 25m 3 times
2The yellow phase investigation head blight disease tassel yield of neck and disease index, actual measurement output during results.Simultaneously, get at random the real grain of 40 fringes statistics fringe number, get at random two 1000 and take by weighing thousand kernel weight.Below be the computational methods of head blight disease tassel yield, disease index and control efficiency.
Head blight disease tassel yield (%)=morbidity spike number/investigate total spike number * 100%
Head blight morbidity weight is divided into 5 grades in the ratio that every fringe morbidity spikelet number accounts for total spikelet number: 0 grade, anosis; 1 grade, be less than 1/4 small ear morbidity; 2 grades, 1/4 to 1/2 small ear morbidity; 3 grades, 1/2 to 3/4 small ear morbidity; 4 grades, the small ear morbidity more than 3/4.
Disease index=∑ (sick level spike number * sick value of series) * 100/ (investigating total spike number * 4)
Control efficiency (%)=(contrast disease index-processing disease index) * 100/ contrast disease index
The result shows, compares with the mildew-resistant treasured, and the effect of the composition pesticide of preparation is even more ideal among the embodiment 1.Average control efficiency and the percentage increases of mildew-resistant treasured are respectively 50.3% and 48.1%, and average control efficiency and the percentage increases of the composition pesticide of the embodiment of the invention 1 preparation are respectively 75.7% and 88.0%.The wheat that sprays the composition pesticide of the embodiment of the invention 1 preparation on average increases production 762kg/hm than the wheat that sprays the mildew-resistant treasured
2, amplification is up to 26.9%.Find by analyzing wheat class Yield And Yield Components, the composition pesticide of embodiment 1 preparation can increase grain number per spike and thousand kernel weight.The result who obtains from four places all unanimously shows, the protection effect of embodiment 1 preparation composition pesticide is better than the mildew-resistant treasured, specifically sees also the data in the table 1.
Table 1 embodiment of the invention 1 described composition pesticide in the different location to the preventing disease production-increasing effect of wheat scab
Annotate: LS D
0.05If wheat disease tassel yield arcsine value, the disease of expression contrast refer to difference that arcsine value, grain number per spike, thousand kernel weight or output and treated wheat disease tassel yield arcsine value, disease refer to arcsine value, grain number per spike, thousand kernel weight or output greater than this numerical value, then the difference of the two reaches significance level (P≤0.05); LS D
0.01If wheat disease tassel yield arcsine value, the disease of expression contrast refer to difference that arcsine value, grain number per spike, thousand kernel weight or output and treated wheat disease tassel yield arcsine value, disease refer to arcsine value, grain number per spike, thousand kernel weight or output greater than this numerical value, then the difference of the two reaches utmost point significance level (P≤0.01).
Embodiment 5: the composition pesticide of preparation is to the preventing disease production-increasing effect of different cultivars wheat among the embodiment 2
The place that this embodiment carries out is the Changsha, Hunan, is 8BB, 59 and 118 for the wheat breed that tries, with each kind drilling, and thinning to 90 strain/m behind the neat seedling.Method cultivation management routinely.Full-bloom stage adopts respectively composition pesticide, 50% Kai Jiang and clear water (contrast) spraying of preparation in the embodiment of the invention 2, and randomised block design repeats residential quarter area 4 * 2m 3 times
2Formulation rate is that every residential quarter 0.6g medicament adds water 540ml.Disease index (disease refers to), control efficiency (preventive effect) investigation and computational methods are got 40 the real grain of healthy fringe statistics fringe numbers at random with embodiment 4 during results.As can be seen from Table 2, composition pesticide and Kai Jiang that embodiment 2 is prepared use 3 kinds, all obtain obvious preventing disease production-increasing effect, and the effect of the composition pesticide of embodiment 2 preparations all as one man is better than Kai Jiang on 3 kinds.Kai Jiang is respectively 66.2%, 55.2% and 62.3% to 8BB, 59 and 118 preventive effect, and amount of increase in production is respectively 110.1%, 19.9% and 78.9%.The composition pesticide of embodiment 2 preparation is respectively 91.8%, 91.9% and 94.8% to wheat breed 8BB, 59 and 118 preventive effect, and amount of increase in production is respectively 170.1%, 35.8% and 116.3%.The results of analysis of variance shows, preventive effect indifference (P=0.51) between kind of the composition pesticide of embodiment 2 preparations, and Kai Jiang and kind are made effect obviously (P=0.03) mutually.The composition pesticide of the embodiment of the invention 2 preparations also has obvious promotion insemination, increases the in fact effect of grain number of fringe except anti-head blight.This is tested each kind and all gets healthy plant and add up the real grain of its every fringe number.The result shows, the composition pesticide of the embodiment of the invention 2 preparations is used three kinds all can increase the real grain of fringe number, and 118 increase by 12.4, and 59 increase by 7.3, and 8BB increases by 4.4.Therefore, can reach a conclusion, the yield increasing effect of the composition pesticide of the embodiment of the invention 2 preparations shows as double action, i.e. diseases prevention and promotion insemination, the real grain of increase fringe number specifically see also the data in the table 2.
Table 2 embodiment of the invention 2 described composition pesticides are to the preventing disease production-increasing effect of different cultivars
Embodiment 6: the preventing disease production-increasing effect that the composition pesticide of preparation is used in different dispenser period among the embodiment 3
The place that this embodiment carries out is the Changsha, Hunan, is 118 for the wheat breed that tries, routinely the method cultivation management.After early flowering season, full-bloom stage, whole florescence and early flowering season, adopted respectively composition pesticide and the prosperous processing of 50% system of preparation among the embodiment 3 on the 12nd day, clear water compares, experimental scheme is with embodiment 5, and disease refers to, control efficiency investigation, computational methods and output, grain number per spike assay method be with embodiment 4.
Table 3 is the result show, concentrate on the flower that begins the prosperous effectively period of using of uniting to the whole florescence, and the control efficiency that the whole florescence uses descends significantly.Concerning most of wheat breeds, anthesis duration generally continues 5 days, that is to say, unites approximately 5 days prosperous effective dispenser phase.The composition pesticide of embodiment 3 preparation is then different, and it is longer that its effective dispenser continues period, uses in the 12nd day after the early flowering season and still has preferably preventing disease production-increasing effect, specifically sees also the data in the table 3.
The preventing disease production-increasing effect that table 3 embodiment of the invention 3 described composition pesticides are used at different times
Because dispenser must be caught fine weather, therefore the dispenser longer duration is very important in rainy south, at flowering stage of wheat, it is common situation that south continues to rain 3 to 5 days, if therefore a kind of effective dispenser phase of agricultural chemicals short, do not have an application prospect even its control efficiency is very good yet.This result of the test shows, the composition pesticide dispenser of embodiment 3 preparations continues at least 12 days periods, and continuous 12 days time of flowering stage of wheat rainy weather is few, illustrates that to prevent and treat head blight with described composition pesticide safe and reliable.
Embodiment 7: the composition pesticide of preparation is on the impact of wheat physio-biochemical characteristics among the embodiment 1
This embodiment carries out in the Changsha, Hunan, is 8BB for the examination wheat breed, routinely the method cultivation management.Early flowering season is adopted respectively composition pesticide and the precious processing of 50% mildew-resistant of preparation among the embodiment 1, and clear water compares, and experimental scheme is with embodiment 5.Processed rear the 5th day, the 20th day and the 30th natural gift another name is got the coetonium mensuration following items of base portion Xiao Hua in the middle part of 0.5g sword-like leave (removing the sword-like leave middle part of master pulse) and the fringe: press Arnon (Plant Physiol, 1949, method 24:1-4) is measured chlorophyll content, press (the Plant Physiology such as Giannopolitis, 1977 (59), it is active that method 309-314) is measured SOD, press (the Plant Physiology such as steward, 1980 (65), 245-248) and with reference to (Plant Physiology Communications such as Wang Aiguo, 1986 (2), method 55-57) is measured malonaldehyde (MDA) content.
Can plant fall ill, depend on the interaction of host, pathogen and environment, host's disease resistance is strong, the possibility that is infected is just little, in view of the particularity of described composition pesticide disease-preventing and yield-increasing, the present inventor has studied the impact of using behind the composition pesticide of the present invention some physio-biochemical characteristics of plant.The result of table 4 shows, used behind the composition pesticide of the embodiment of the invention 1 preparation the 5th day, the 20th day and the 30th day, the chlorophyll content of sword-like leave and SOD activity all are significantly higher than chlorophyll content and the SOD activity of contrast and the precious sword-like leave of processing of mildew-resistant, and MDA content then is lower than the MDA content of contrast and the precious sword-like leave of processing of mildew-resistant.Illustrate that described composition pesticide can strengthen the physiological function of sword-like leave, delay senility, specifically see also the data in the table 4.Certainly, it is the wheat head that gibberellic hypha infects the position, and therefore, the enhancing of the resistance of fringe section seems more direct and important.The measurement result of lepicena shows, above-mentioned three kinds of component contents (or active) all show the variation tendency consistent with sword-like leave, specifically see also the data in the table 5.
Table 4 embodiment of the invention 1 described composition pesticide is processed the impact on the several physiological and biochemical indexs of sword-like leave
Table 5 embodiment of the invention 1 described composition pesticide is processed the impact on the several physiological and biochemical indexs of lepicena
Wang Ya equality (Acta Agronomica Sinica, 1994,20 (3), 325-333) find by the SOD that measures different anti-sense kinds is active, the SOD activity of disease-resistant variety fringe section is apparently higher than susceptible variety, and thinks that the SOD of fringe section activity can be used as a physical signs of Scab Resistance.(SOD is active to rise because the embodiment of the invention 1 described composition pesticide has the antioxidation activity that strengthens fringe section, the MDA content decrease), the effect that delays senility, therefore can think described composition pesticide to strengthen the resistance of plant own be it than the independent more preferably basic reason of preventive effect of (mildew-resistant treasured etc.) during as active ingredient of carbendazim.
Above embodiment only is used for the present invention is illustrated, and these embodiments do not consist of any restriction to protection scope of the present invention.In addition; although the present invention is described in detail in conjunction with specific embodiments in the specification of the present invention; but; those of ordinary skill in the art should be understood that; can make amendment or equivalents to technical scheme of the present invention; under the prerequisite that does not break away from essence of the present invention, any modification or equivalents still fall into protection scope of the present invention.
Claims (11)
1. composition pesticide of preventing and treating gibberella zeaze petch of wheat and barley, described composition pesticide comprises mancozeb and carbendazim.
2. composition pesticide as claimed in claim 1, wherein, mancozeb: the mass ratio of carbendazim is 3: 17 to 4: 1.
3. composition pesticide as claimed in claim 2, wherein, described mancozeb: the mass ratio of carbendazim is 1: 3 to 3: 2.
4. composition pesticide as claimed in claim 3, wherein, described mancozeb: the mass ratio of carbendazim is 7: 18 to 3: 7.
5. composition pesticide as claimed in claim 4, wherein, described mancozeb: the mass ratio of carbendazim is 2: 5.
6. composition pesticide as claimed in claim 3, wherein, described mancozeb: the mass ratio of carbendazim is 20.1: 33.25.
7. composition pesticide as claimed in claim 3, wherein, described mancozeb: the mass ratio of carbendazim is 6: 5.
8. method for preparing composition claimed in claim 1, the method comprises: preparation contains the mixture of mancozeb and carbendazim, and wherein, mancozeb: the mass ratio of carbendazim is 3: 17 to 4: 1.
9. method as claimed in claim 8, wherein, described mancozeb: the mass ratio of carbendazim is 1: 3 to 3: 2.
10. method as claimed in claim 9, wherein, described mancozeb: the mass ratio of carbendazim is 7: 18 to 3: 7.
11. the purposes of any one described composition in the control gibberella zeaze petch of wheat and barley in the claim 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100767279A CN103314975A (en) | 2012-03-20 | 2012-03-20 | Pesticide composition for prevention and control of wheat scab, its preparation method and use |
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| CN2012100767279A CN103314975A (en) | 2012-03-20 | 2012-03-20 | Pesticide composition for prevention and control of wheat scab, its preparation method and use |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100095A (en) * | 1986-01-09 | 1987-10-07 | 北京农业大学 | Plant clothing agent series products prescription and production technology thereof |
| CN1064784A (en) * | 1992-04-03 | 1992-09-30 | 化学工业部沈阳化工研究院 | The mixture of carbendazim and bactericide containing sulphur and application thereof |
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2012
- 2012-03-20 CN CN2012100767279A patent/CN103314975A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100095A (en) * | 1986-01-09 | 1987-10-07 | 北京农业大学 | Plant clothing agent series products prescription and production technology thereof |
| CN1064784A (en) * | 1992-04-03 | 1992-09-30 | 化学工业部沈阳化工研究院 | The mixture of carbendazim and bactericide containing sulphur and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 吴桂本，等: "50%多•锰锌可湿性粉剂防治苹果主要病害的应用技术研究", 《农药科学与管理》, vol. 22, no. 5, 15 October 2001 (2001-10-15) * |
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Application publication date: 20130925 |