CN103026908A - Method for preventing and controlling rust of water bamboo - Google Patents
Method for preventing and controlling rust of water bamboo Download PDFInfo
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- CN103026908A CN103026908A CN2012104941024A CN201210494102A CN103026908A CN 103026908 A CN103026908 A CN 103026908A CN 2012104941024 A CN2012104941024 A CN 2012104941024A CN 201210494102 A CN201210494102 A CN 201210494102A CN 103026908 A CN103026908 A CN 103026908A
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Abstract
The invention relates to a method for preventing and controlling rust of water bamboo. The method is characterized in that once a rust spot is found on a leaf of a water bamboo plant, a drug is applied to the water bamboo at every 10 days, wherein the drug is diniconazole, and the concentration of the diniconazole is 30 to 62mg/L. The method has the advantages that the rust of the water bamboo can be effectively prevented and controlled, and meanwhile, the obvious influence on the water bamboo fruiting rate and the water bamboo yield of the water bamboo plant is avoided.
Description
Technical field
The invention belongs to the pesticides application field, be specifically related to a kind of method of preventing and treating the wild rice stem rust.
Background technology
Wild rice stem is the peculiar aquatic vegetable of China, and nutritive value is higher.Wild rice stem is the perennial aquatic perennial plant of a kind of grass family, and the fleshy stem that the stem of wild rice stem plant forms after infected by smut is edible wild rice stem.Wild rice stem Tanaka often occurs that the part plant is tall and big but infertile hay all the time is called " male hay ", and its reason is that the smut during smut fails to infect the wild rice stem plant or use before pregnant hay that bactericide is improper to kill the plant is caused.Pest species was many during wild rice stem was produced, generation is serious, wherein wild rice stem rust (pathogen
Uromyces coronatusMiyabe
EtNishida) be main disease during wild rice stem is produced, production causes heavy losses to wild rice stem when popular, and affects the commodity of wild rice stem, reduces the income of hay farming.In recent years, along with the continuous expansion of wild rice stem area under cultivation especially booth wild rice stem area, the wild rice stem rust occurs every year serious.Prevent and treat at present the main still applied chemistry bactericide of wild rice stem rust.Triazolone is a kind of bactericide of the most frequently used control wild rice stem rust, because long-term abuse triazolone control wild rice stem rust causes control efficiency obviously to descend, wild rice stem knot hay rate significantly descends, and wild rice stem is not tied hay when serious, has a strong impact on the healthy and stable development of wild rice stem industry.Therefore, the highly effective and safe bactericide of screening alternative " triazolone " becomes the key issue in the wild rice stem industry development.
Summary of the invention
Alkene azoles alcohol; chemical name is (E)-(RS)-1-(2; the 4-dichlorophenyl)-4; 4-dimethyl-2-(1H-1; 2,4-triazol-1-yl) penta-1 alkene-3-alcohol is a kind of broad-spectrum germicide with protection, treatment, systemic action; especially good to capsule bacterium, the microbial plurality of plant diseases preventive effect of load, to people and animals, useful insect and Environmental security.At present, alkene azoles alcohol is mainly used in preventing and treating the multiple fungal diseases such as paddy rice, wheat, vegetables, flowers, fruit tree, lawn.
The present invention is directed to current technical problem, proposed effectively to prevent and treat the medicament of wild rice stem rust, simultaneously wild rice stem knot hay rate and Water Bamboo Yield are had no significant effect.
For triazolone wild rice stem rust control efficiency is descended, uses dangerous and affect wild rice stem and tie the production key issues such as hay, the discovery alkene azoles alcohol that the present invention is surprised not only is higher than triazolone to the control efficiency of wild rice stem rust, and not obvious on wild rice stem knot hay rate and Water Bamboo Yield impact, be a kind of highly effective and safe bactericide that is better than triazolone.
On the one hand, the invention provides a kind of method of preventing and treating the wild rice stem rust, begin with medicament when on the wild rice stem plant leaf, in a single day finding the rust scab is arranged wild rice stem is used, used once every 10 days, wherein, described medicament is alkene azoles alcohol, wherein, the concentration of alkene azoles alcohol is 41.625mg/L.
In some preferred modes, alkene azoles alcohol uses 1-2 time
In other preferred modes, alkene azoles alcohol uses 2 times.
A kind of the purposes of alkene azoles alcohol as the control of wild rice stem rust, wherein the concentration of alkene azoles alcohol is 41.625mg/L.
" use " of the present invention refers to the wild rice stem plant is carried out the processing of agricultural chemicals, and the general fashion of processing sprays with instrument for pesticide, for example, sprays with general sprayer, and this sprayer does not have special requirement, and existing sprayer can use.
The present invention's said " in a single day finding to have the rust scab on the wild rice stem plant leaf " refers to just can begin medication as long as occur a rust scab on the wild rice stem blade, and thinks the performance of their early stage.In one embodiment, 1-2 rust scab of discovery also can be thought the their early stage of wild rice stem.
Beneficial effect
Use method of the present invention, both can effectively prevent and treat the generation of wild rice stem rust, simultaneously wild rice stem knot hay rate and Water Bamboo Yield are had no significant effect.
Embodiment
By the following specific examples further illustrate the invention.
Embodiment one: different spraying times are on the impact of wild rice stem rust preventive effect and wild rice stem knot hay
Zizania latifolia Cultivars: single cropping wild rice stem ' beauty's hay '
Test period: the 4-7 month in 2011
Test site: single cropping wild rice stem Two crops a year production base, Hu Zhen town, Jinyun, Zhejiang Province county
Test medicine: 1) 12.5% alkene azoles alcohol wetting powder (the favorable to the people farmingization of Yancheng, Jiangsu Province Co., Ltd), 2) 10% difenoconazole water dispersible granule (Zhejiang Province Yifan Chemical Co., Ltd), 3) 15% trazodone wettable powder (agricultural chemicals Co., Ltd is built in Jiangsu), 4) 60% mancozeb wettable powder (the prosperous prestige bio tech ltd in Beijing) (above percentage all is mass percent).
Test method:4 kinds of bactericide are established in test, and every kind of medicament is established again 4 spraying times, and other establishes a not dispenser as blank, totally 17 treatment combinations (table 1), and each treatment region area is established 30-40m
2(50 clumps of wild rice stems), each treatment region divides again three residential quarters to carry out result's investigation (being equivalent to 3 repetitions) when investigation.Spraying time is respectively April 25 (finding 1 rust scab at the wild rice stem blade of processing), May 5, May 15, May 25.Wild rice stem is gathered period in early June.In wild rice stem rust onset peak period and morbidity stationary phase, according to the rust investigation method, the onset grade of fixed point investigation wild rice stem 300 blade rust calculates disease leaf rate and disease index, estimates four kinds of bactericide difference spraying times to the control effect of wild rice stem rust respectively.The indexs such as knot hay rate, wild rice stem economic characters and Water Bamboo Yield of examination wild rice stem when wild rice stem is gathered.
Table 1, different bactericide field trial arrange
Result of the test:
1), to the control efficiency of wild rice stem rust.After different the 1st dispensers of bactericide (April 25), the 2nd dispenser (May 5) and the 3rd dispenser (May 15), find in wild rice stem rust onset peak period (May 20) investigation, four kinds of bactericide such as alkene azoles alcohol, Difenoconazole, triazolone, mancozeb spray continuously three times sick leaf rate and have descended respectively 51.93% and 87.50%, 61.47% and 65.91%, 61.47% and 79.55%, 41.37% and 67.05% with disease index (comparing with CK); The sick leaf rate and the disease index that spray continuously secondary have descended respectively 49.25% and 84.09%, 55.95% and 47.73%, 55.95% and 81.82%, 26.80 and 59.09%; Spray once sick leaf rate and disease index descended respectively 42.55% and 81.82%, 49.75% and 42.04%, 50.25% and 81.82%, 20.77 and 57.95%(table 2).Investigate discovery to wild rice stem rust morbidity stationary phase (June 5) after the 4th dispenser (May 25), four kinds of bactericide such as alkene azoles alcohol, Difenoconazole, triazolone, mancozeb spray continuously four times sick leaf rate and have descended respectively 75.78% and 90.48%, 76.12% and 78.10%, 61.00% and 84.00%, 61.00% and 71.43% with disease index (comparing with CK); The sick leaf rate and the disease index that spray continuously three times have descended respectively 69.67% and 82.86%, 73.47% and 71.43%, 73.47% and 73.33%, 58.13% and 74.29%; The sick leaf rate and the disease index that spray continuously secondary have descended respectively 58.13% and 89.00%, 64.24% and 47.62%, 64.24% and 75.24%, 47.29% and 61.90%; Spray once sick leaf rate and disease index descended respectively 56.17% and 80.95%, 55.82% and 51.43%, 55.82% and 66.67%, 47.29% and 59.05%(table 3).Four kinds of bactericide of this explanation test are best with alkene azoles alcohol to the control efficiency of wild rice stem rust, and spray one to the preventive effect of secondary up to more than 81%; Secondly be the triazolone medicament.
2), the wild rice stem economic characters are affected.After the different bactericidal agent for preventing and treating wild rice stem rust wild rice stem economic characters there is certain influence, is mainly manifested in the difference of wild rice stem fleshy stem length, fleshy stem width, fleshy stem net weight and staminiferous plant rate.Wherein alkene azoles alcohol is the lightest on the impact of wild rice stem economic characters, is Difenoconazole secondly, and triazolone and mancozeb impact are larger.Bactericide of the same race is along with access times increase, and impact obviously increases on the wild rice stem economic characters, especially uses 3-4 rear impact more remarkable.Alkene azoles alcohol uses 2 times and Difenoconazole uses 1 time, on the impact of staminiferous plant rate and contrast indifference; Even mancozeb and triazolone use 1 time, the staminiferous plant rate is used more than 3 times also apparently higher than contrast, and the staminiferous plant rate is up to more than 11% (table 4).Four kinds of bactericide of this explanation test are alkene azoles alcohol on wild rice stem economic characters impact minimum.
3), Water Bamboo Yield is affected.It is large that different bactericide affect difference to wild rice stem knot hay time and Water Bamboo Yield.Along with access times increase, the wild rice stem knot hay time obviously postpones, and when using 4 times, can postpone 6 days.Bactericide is alkene azoles alcohol, Difenoconazole, mancozeb and triazolone on the order of Water Bamboo Yield impact from small to large.Wherein alkene azoles alcohol uses has increase to Water Bamboo Yield than contrast output 1 time, and increasing rate is 8.69%, uses 2 times not obvious on the Water Bamboo Yield impact, use has a significant effect to Water Bamboo Yield more than 3 times.Difenoconazole uses also has some impacts 1 time, and Water Bamboo Yield descends 12.77%; The impact of mancozeb and triazolone is very large, even use 1 time, Water Bamboo Yield reduce respectively 19.50% and 29.44%(table 5).Four kinds of bactericide of this explanation test are alkene azoles alcohol on Water Bamboo Yield impact minimum.
Table 2, different bactericide are to the wild rice stem rust onset peak period control efficiency in (May 20)
Table 2, different bactericide are to the control efficiency (continued 2) of wild rice stem rust onset peak period (May 20)
The control efficiency that table 3, different bactericide are fallen ill stationary phase (June 5) to the wild rice stem rust
The control efficiency (continued 3) that table 3, different bactericide are fallen ill stationary phase (June 5) to the wild rice stem rust
Table 4, different bactericide are on the impact of wild rice stem economic characters and staminiferous plant rate
Table 5, different bactericide are on the impact of Water Bamboo Yield
Embodiment two: variable concentrations alkene azoles alcohol is on the impact of wild rice stem rust and wild rice stem plant knot hay
Zizania latifolia Cultivars: two season wild rice stems ' No. 2, imperial hay '
Test period: the 3-6 month in 2012
Test site: Zhejiang Province's Tongxiang City Dong family wild rice stem Specialty Co-operative Organization booth wild rice stem production base
Test medicine: 12.5% alkene azoles alcohol wetting powder (the favorable to the people farmingization of Yancheng, Jiangsu Province Co., Ltd).
Test method:According to the result of the test of embodiment one, take alkene azoles alcohol as test medicine, establish three spraying medicine concentrations and two dispenser periods, a not dispenser is as blank, totally 7 treatment combinations (table 6), each treatment region area is 40m approximately
2(60 clumps of wild rice stems), each treatment region can divide again 3 residential quarters to carry out result's investigation (being equivalent to 3 repetitions) when investigation.Spraying time is respectively March 30, April 10.May, early and middle ten days began the wild rice stem of gathering.Respectively in wild rice stem rust onset peak period (April 18) and stationary phase (April 30), onset grade according to rust investigation method fixed point investigation wild rice stem 300 blade rust, calculate disease leaf rate and disease index, estimate variable concentrations alkene azoles alcohol to the control effect of wild rice stem rust.The indexs such as examination wild rice stem knot hay rate and Water Bamboo Yield when wild rice stem is gathered.
Table 6, the arrangement of variable concentrations alkene azoles alcohol field trial.
Result of the test:
1), to the control efficiency of wild rice stem rust.Behind variable concentrations (62.5mg/L, 41.625mg/L and 31.25mg/L) alkene azoles alcohol dispenser 1 (March 30) and the dispenser secondary (March 30,10 days April), find in wild rice stem rust onset peak period (April 18) investigation, with contrast not dispenser and compare, after the dispenser once, sick leaf rate and the disease index of wild rice stem rust descend respectively 70.05% and 84.79%, 65.07% and 78.07%, 57.61% and 61.70%; Behind the dispenser secondary, the sick leaf rate of wild rice stem rust and disease index then descended respectively 77.51% and 90.64%, 73.49% and 85.67%, 65.36% and 69.59%(table 7).Find in wild rice stem rust morbidity stationary phase (April 30) investigation, after the dispenser once, sick leaf rate and the disease index of wild rice stem rust descend respectively 79.21% and 86.87%, 75.19% and 81.84%, 69.83% and 64.33%; Behind the dispenser secondary, the sick leaf rate of wild rice stem rust and disease index then descended respectively 86.80% and 92.78%, 79.27% and 87.53%, 74.65% and 71.99%(table 8).This explanation is along with the reduction of alkene azoles alcohol working concentration, and the control efficiency of wild rice stem rust is also descended, and namely control efficiency is best during valid density 62.5mg/L, is valid density 41.625mg/L secondly.
2), on the impact of wild rice stem plant staminiferous plant rate.Test shows, variable concentrations alkene azoles alcohol has a significant effect to wild rice stem plant staminiferous plant rate, and when wherein alkene azoles alcohol valid density was 62.5mg/L, the wild rice stem plant staminiferous plant rate that sprays once was 4.73%, and the wild rice stem plant staminiferous plant rate that sprays secondary is 6.16%.When valid density was 41.625mg/L, the wild rice stem plant staminiferous plant rate that sprays once was 3.35%, and the wild rice stem plant staminiferous plant rate that sprays secondary is 3.59%.When valid density was 31.25mg/L, the wild rice stem plant staminiferous plant rate that sprays once was 3.31%, and the wild rice stem plant staminiferous plant rate that sprays secondary is 3.74%, and the staminiferous plant rate of not dispenser check plot is 3.63%(table 9).When this explanation alkene azoles alcohol valid density was 62.5mg/L, the staminiferous plant rate of wild rice stem plant that is to say that apparently higher than not dispenser contrast this concentration alkene azoles alcohol has some impacts to wild rice stem plant knot hay; When alkene azoles alcohol valid density is 31.25-41.625mg/L, wild rice stem is tied the hay rate without impact.
3), Water Bamboo Yield is affected.Variable concentrations alkene azoles alcohol is larger on the Water Bamboo Yield impact.When alkene azoles alcohol valid density is 62.5mg/L, spray one to secondary, slightly influential to Water Bamboo Yield, the Water Bamboo Yield approximately 3.24-6.68% that descends.When alkene azoles alcohol valid density is 41.625mg/L, spray one to secondary, Water Bamboo Yield has increased 7.24-9.99%.When alkene azoles alcohol valid density was 31.25 mg/L, Water Bamboo Yield had also increased 3.85-5.33%(table 10).According to this result, and in conjunction with the impact of variable concentrations alkene azoles alcohol on control efficiency and the wild rice stem plant knot hay rate of wild rice stem rust, the best working concentration that alkene azoles alcohol is described is 41.625mg/L.
Table 7 variable concentrations alkene azoles alcohol is to the wild rice stem rust onset peak period control efficiency in (April 18).
Table 8 variable concentrations alkene azoles alcohol is to the control efficiency of wild rice stem rust morbidity stationary phase (April 30).
Table 9 variable concentrations alkene azoles alcohol is on the impact of wild rice stem plant staminiferous plant rate.
Table 10 variable concentrations alkene azoles alcohol is on the impact of Water Bamboo Yield.
Use method of the present invention both can effectively prevent and treat the generation of wild rice stem rust, simultaneously knot hay rate and the Water Bamboo Yield of wild rice stem plant are had no significant effect.
Claims (4)
1. a method of preventing and treating the wild rice stem rust is characterized in that, begins with medicament when in a single day finding the rust scab is arranged on the wild rice stem plant leaf wild rice stem is used, used once every 10 days, wherein, described medicament is alkene azoles alcohol, and the concentration of alkene azoles alcohol is 30-62mg/L.
2. method according to claim 1, wherein, alkene azoles alcohol uses 1-2 time continuously.
3. method according to claim 1, wherein, alkene azoles alcohol uses 2 times continuously.
4. method according to claim 3, wherein, the concentration of alkene azoles alcohol is 41.625mg/L.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210494102.4A CN103026908B (en) | 2012-11-28 | 2012-11-28 | Method for preventing and controlling rust of water bamboo |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107873344A (en) * | 2017-11-16 | 2018-04-06 | 姜丽 | Preventing and treating early stage of wild rice stem iron rust disease |
| CN113475294A (en) * | 2021-07-07 | 2021-10-08 | 大田县上京镇祖杰农场 | Method for preventing and treating rust disease of green Chinese prickly ash |
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2012
- 2012-11-28 CN CN201210494102.4A patent/CN103026908B/en active Active
Non-Patent Citations (1)
| Title |
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| 胡美芳等: "茭白锈病的发生情况及防治技术", 《植保技术与推广》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107873344A (en) * | 2017-11-16 | 2018-04-06 | 姜丽 | Preventing and treating early stage of wild rice stem iron rust disease |
| CN113475294A (en) * | 2021-07-07 | 2021-10-08 | 大田县上京镇祖杰农场 | Method for preventing and treating rust disease of green Chinese prickly ash |
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| CN103026908B (en) | 2015-03-18 |
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