CN101310582A - Seed coating agent special for direct seeding rice - Google Patents
Seed coating agent special for direct seeding rice Download PDFInfo
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- CN101310582A CN101310582A CNA200810024466XA CN200810024466A CN101310582A CN 101310582 A CN101310582 A CN 101310582A CN A200810024466X A CNA200810024466X A CN A200810024466XA CN 200810024466 A CN200810024466 A CN 200810024466A CN 101310582 A CN101310582 A CN 101310582A
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Abstract
The invention discloses a seed coating agent specially used for direct seeding rice, which is characterized in that the seed coating agent mainly contains the following ingredients by weight: 2 to 8 percent of super absorbent resin, 1 to 5 percent of oxygenates, 0.1 to 0.5 percent of sparrow and rat destruction agent , 0.5 to 2 percent of bactericide, 0.5 to 2 percent of pesticide, 0.02 to 0.2 percent of plant growth regulator, 3 to 10 percent of trace element fertilizer and the margin is special type mineral clay. The powder raw materials are crushed to more then 100 meshes and are mixed evenly, the mixture is coated on the surfaces of rice seeds by a seed-coating method for direct sowing, thus clay sacculus integrating 'a small water reservoir, a small oxygen reservoir, a small drug storage and a small fertilizer storage' are formed around the rice seeds and at the roots of seedlings; the seed coating agent has the effects of preserving and providing water, ventilating and providing oxygen, promoting seedling emergency, preventing diseases and killing pests, preventing mice and destructing sparrows, strengthening seedlings and roots and increasing production. The seed coating agent is also characterized by low dosage, low cost, simple and convenient operation, and the like, thereby being applicable to coating rice seeds which are directly sowed both on flooded paddy fields and dry paddy fields.
Description
Technical field
The present invention relates to a kind of preparation that crop seeds is handled that is used for, definitely is to say so to relate to the seed treatment that is used for the rice paddy seed seed dressing when a kind of rice direct-seeding rice is sowed.
Background technology
Along with the development of rice cultivating technique, the improvement of rural economy, the structure of labour force's variation, rice direct-seeding is used area and is enlarged rapidly because of it is simplified, the characteristics of abridged edition are welcome by the peasant deeply.But Direct-seeding Rice output instability constitutes the outstanding problem of current Rice Production.The key of Direct-seeding Rice stable yields is the problem of emerging, and main restricting factor is: the one, and the direct-sowing dry seed buries deep mixed, and the seed rice water sucting degree differs, and causes to emerge inentirely, uneven, and and bakanae disease takes place heavyly, and rice shoot is fine long thin and delicate; The 2nd, water direct seeding becomes silted up and plants, rots bud, and emergence rate is low, the full stand difficulty; The 3rd, sparrow bandicoot evil is serious.Because the problem of emerging causes the difficult control of initial density, the consequence that directly causes is three kinds of situations to occur: the one, and population density is bigger than normal, and the growth later stage easily lodges; The 2nd, population density is less than normal, and number of productive ear is on the low side; The 3rd, the population density imbalance, close partially and rare partially and deposit, strengthen that seed is paid and the difficulty of field management.Simultaneously, damage by disease and insect such as bakanae disease, nematode aphelenchoide are serious, output occurs and fluctuate, and become the technical barrier that needs to be resolved hurrily in the Direct-seeding Rice production.
I the sub-seed coating medicine of the patent drought breeding (patent No.: ZL 96117076.X), to solving the strong root of paddy rice upland nursery, short tiller, diseases prevention, control aspect such as worm and brought into play effect preferably, but do not possess the sparrow of driving rat destruction function that obtained in 2000; And be not suitable for paddy rice wetland anoxic and grow seedlings, promptly be not suitable for direct sowing on dry paddy field and water direct seeding seed pelleting.Existing problems such as present existing dressing agent for rice can not solve all that Direct-seeding Rice is emerged, Cheng Miao, sparrow evil, the plague of rats and the harm of sick worm.
Summary of the invention
Purpose of the present invention is exactly the problem that exists at above-mentioned Direct-seeding Rice, I on the basis of original patent " the sub-seed coating medicine of non-irrigated breeding ", increase the oxygenation agent, drive the sparrow expelling mouse agent, adjust content of super water absorbent resin, adjust bactericide, insecticide, plant growth regulator kind, with extraordinary mineral clay, little fertilizer etc., mixed preparing forms seed coating agent special for direct seeding rice by a certain percentage.This seed coating agent special for direct seeding rice, production practices for many years prove that problems such as rice direct-seeding is emerged to solving, Cheng Miao, sparrow evil, the plague of rats, strong sprout, bakanae disease, Aplelenchiodes bessegi of rice, stable yields play critical effect.
The objective of the invention is to be achieved through the following technical solutions:
A kind of seed coating agent special for direct seeding rice is characterized in that the agent of this kind clothing is by high hydroscopic resin, oxygenation agent, drives sparrow expelling mouse agent, bactericide, insecticide, plant growth regulator, little fertilizer and extraordinary mineral clay mixing and form.The active ingredient that contains following ratio in the mixture that is obtained: high hydroscopic resin 2-8%, oxygenation agent 1-5% drives sparrow expelling mouse agent 0.1-0.5%, bactericide 0.5-2%, insecticide 0.5-2%, plant growth regulator 0.02-0.2%, little fertile 3-10%, surplus is extraordinary mineral clay.
Described high hydroscopic resin is agricultural type acrylic acid sodium salt cross-linked polymer, also can adopt other agricultural type water-absorbing resin;
Described oxygenation agent is one or more in calper calcium peroxide, peromag, SODIUM PERCARBONATE, the ammonium peroxydisulfate;
The described sparrow expelling mouse agent that drives is that carbofuran, carbosulfan, Benfuracard micro, bromine kill one or more in the spirit;
Described bactericide is one or more in benomyl, metalaxyl, Prochloraz, fenaminosulf, sulphur, tmtd, carbendazim, the kitazine;
Described insecticide is one or more in Imidacloprid, cartap, the Avermectin;
Described plant growth regulator is one or more in heteroauxin, indolebutyric acid, methyl, methyl sodium salt, paclobutrazol, uniconazole P, chlormequat, compound sodium nitrophenolate, the gibberellin;
Described little fertilizer is one or more in zinc sulphate, zinc oxide, zinc chloride, multiple-effect zinc, ferrous sulfate, borax, magnesium sulfate, molybdenum trisulfate, manganese sulphate, the copper sulphate;
Described extraordinary mineral clay is attapulgite and/or bentonite.
Manufacture craft of the present invention:
(1) by proportion speed take by weighing the oxygenation agent, drive the sparrow expelling mouse agent, bactericide, insecticide, plant growth regulator, little fertilizer, add in the homogenizer and stir.
(2) with pulverizing in the mixture input air flow cracker in the manufacture craft (1), use its fineness to reach more than 100 orders.
(3) weighing up high hydroscopic resin, the extraordinary mineral clay of fineness more than 100 orders with the mixture through pulverizing in the manufacture craft (2) with by proportioning adds in the homogenizer and stirs.
(4) with finished product quantitative package of the present invention, the sealing storage.
Using method of the present invention:
Earlier seed rice is put into clear water and soaked 20 minutes, before also can extending to brokenly chest and showing money or valuables one carries unintentionally, pull seed rice then out, drop removes excessive moisture; Kind of clothing agent is placed the container of round bottom, and the seed rice that will soak slowly adds the dressing that rolls in the container then, and the limit edged stirs, until planting till the clothing agent all is wrapped on the seed.
Advantage of the present invention:
(1) significantly improves emergence rate.Because high hydroscopic resin can absorb water fast, form " retaining sacculus " at the rice shoot root, regulate the variation of soil moisture content effectively, play the effect of " little reservoir "; And the oxygenation agent in the seed dressing can discharge oxygen, and ventilation oxygen-supplying plays the effect in " little oxygen storehouse ", thereby the field aqueous vapor is coordinated, and promotes to have more seedling, save seedling from damage.Simultaneously, contain bactericide, prevented that effectively mashed kind, mashed bud from taking place owing to plant in the clothing agent.
(2) prevent the harm of disease worm.Plant in the clothing agent and contain bactericide, insecticide, play " little Drug Storage " effect, can not only around seed, form the protection barrier of insect pests, carry out seed disinfection and prevent soilborne germ invasion and attack; And medicament can absorb by root system and be transmitted in the rice shoot body, continues to play the effect of preventing disease pest control.To seedling stage damage by disease and insect such as bakanae disease, damping off, Aplelenchiodes bessegi of rice and rice thrips play good control efficiency.Simultaneously, owing to alleviated the soil moisture variation, prevent the blue or green withered seedling of physiological effectively.
(3) prevent the harm of sparrow mouse.Plant in the clothing agent and contain sparrow mouse repellant, the sparrow mouse is had good repellent action.
(4) improve seedling quality.Through the rice shoot of seed coating agent special for direct seeding rice Cotton seeds, root water, fertilizer, gas are coordinated, and help promoting the growth of root system and the generation of tillering, and play the effect of strong root in strong sprout; Owing to be rich in a large amount of trace elements in the seed dressing, play the effect in " little fertile storehouse ", help solving the yellow seedling that causes owing to nutritional deficiency in the seedling cultivation of rice process, red seedling, the generation of stiff seedling.
(5) improve lodging tolerance.The paddy rice of adopting seed coating agent special for direct seeding rice to handle, plant height reduces, and basal internode shortens, and cane increases slightly, has strengthened lodging tolerance.
(6) increase production and improve productivity.Every mu of volume increase 5-10% increases income and economizes on spending more than 70 yuan for every mu.
Embodiment
Embodiment 1:
Accurately take by weighing 831.4 kilograms of 60 kilograms of high hydroscopic resins, 20 kilograms of peromags, 1 kilogram of carbofuran, 10 kilograms of carbendazim, 2 kilograms of Prochlorazs, 5 kilograms of fenaminosulfs, 10 kilograms of cartaps, 0.1 kilogram of methyl, 0.5 kilogram of uniconazole P, 10 kilograms in zinc sulphate, 10 kilograms in ferrous sulfate, 10 kilograms of boraxs, 10 kilograms in magnesium sulfate, 10 kilograms of molybdenum trisulfates, 10 kilograms in copper sulphate and attapulgites, above-mentioned substance by production technology production, is promptly got seed coating agent special for direct seeding rice.
2006, carried out seed coating agent special for direct seeding rice direct sowing on dry paddy field application test in Er Qiao village, Yangzhou Guangling District bayhead town, Jiangsu Province in 2,007 two.Experimental cultivar is contrast for raising the spoke round-grained rice No. 8 not dress seed, sowing on June 15, every 666.7m
2Seeding quantity is 4 kilograms, sub-district area 66.7m
2, repeat 3 times.After planting investigate emergence rate, planting percent, sick worm harm situation and seedling quality, ripe back meter produces.
As seen from Table 1, compared with the control, the processing of seed coating agent special for direct seeding rice, its emergence rate improves 13.8%, and planting percent improves 19.5%, and bakanae disease, rice thrips, sparrow, mouse harm alleviate 90.5%, 94.7%, 87.9%, 83.3% respectively.
The influence that table 1 seed coating agent special for direct seeding rice is emerged to the direct-sowing dry rice field and sick worm endangers
| Handle | Emergence rate (%) | Planting percent (%) | The bakanae disease incidence of disease (%) | Rice thrips hazard ratio (%) | Sparrow hazard ratio (%) | Mouse hazard ratio (%) |
| Seed coating agent special for direct seeding rice | 84.8 | 78.5 | 0.2 | 0.4 | 0.7 | 0.1 |
| Contrast | 74.5 | 65.7 | 2.1 | 7.6 | 5.8 | 0.6 |
As seen from Table 2, the rice shoot root water that seed coating agent special for direct seeding rice is handled, fertilizer, gas are coordinated, and help promoting the growth of root system and the generation of tillering, and play the effect of strong root in strong sprout.Compared with the control, seed dressing processing plant height is lower slightly, and leaf age is suitable, and rice shoot individual plant band tiller number increases by 17.4～22.2%, and total radical increases by 8.3～12.3%, hundred seedling dry weights and increases by 10.1～10.5%, and seedling body pier is short in fact strong.
Table 2 seed coating agent special for direct seeding rice is to the influence of direct-sowing dry seedling quality
As seen from Table 3, seed coating agent special for direct seeding rice is handled the land for growing field crops late growth stage, the blue or green seed Huang of field performance bar, and the growing way stalwartness, the fringe kernel structure is coordinated.Effective fringe comparison that seed dressing is handled is according to increasing by 5.4%, and every total grain panicle number, ripening rate, thousand kernel weight and contrast are similar, finally increase production 7.2%.
Table 3 seed coating agent special for direct seeding rice is to the influence of direct-sowing dry output
| Handle | Effective fringe (ten thousand/mu) | Every total grain panicle number | Ripening rate (%) | Thousand kernel weight (g) | Theoretical yield (Kg/ mu) | Actual production (Kg/ mu) |
| Seed coating agent special for direct seeding rice | 27.2 | 110.5 | 87.2 | 24.6 | 644.7 | 547.5 |
| Contrast | 25.8 | 106.1 | 88.0 | 24.5 | 590.2 | 510.5 |
Embodiment 2:
Accurately take by weighing 830.86 kilograms of 40 kilograms of high hydroscopic resins, 30 kilograms of calper calcium peroxides, 1.2 kilograms of carbosulfans, 7 kilograms of carbendazim, 3 kilograms of metalaxyls, 2 kilograms of Prochlorazs, 5 kilograms of fenaminosulfs, 20 kilograms of Imidacloprids, 0.04 kilogram of indolebutyric acid, 0.9 kilogram of paclobutrazol, 5 kilograms in zinc oxide, 15 kilograms in ferrous sulfate, 10 kilograms of boraxs, 10 kilograms in magnesium sulfate, 10 kilograms of molybdenum trisulfates, 10 kilograms in copper sulphate and attapulgites, above-mentioned substance by production technology production, is promptly got seed coating agent special for direct seeding rice.
Carried out seed coating agent special for direct seeding rice paddy rice water direct seeding application test in 2007 in Jiangsu Province's Yangzhou Baoying County.Experimental cultivar is Huaihe River rice No. 9, is contrast not dress seed, sowing on June 22, every 666.7m
2Seeding quantity is 6 kilograms, sub-district area 333.4m
2, repeat 2 times.After planting investigate emergence rate, planting percent, sick worm harm situation and seedling quality, ripe back meter produces.
As can be seen from Table 4, compared with the control, the processing of seed coating agent special for direct seeding rice, its emergence rate improves 17.9%, planting percent improves 24.3%, and bakanae disease, rice thrips, sparrow, mouse, nematode aphelenchoide harm alleviate 87.5%, 94.3%, 95.3%, 88.2%, 94.3% respectively.
The influence that table 4 seed coating agent special for direct seeding rice is emerged to the water direct seeding rice field and sick worm endangers
| Handle | Emergence rate (%) | Planting percent (%) | The bakanae disease incidence of disease (%) | Rice thrips hazard ratio (%) | Sparrow hazard ratio (%) | Mouse hazard ratio (%) | Nematode aphelenchoide hazard ratio (%) |
| Seed coating agent special for direct seeding rice | 79.6 | 74.1 | 0.1 | 0.5 | 0.4 | 0.2 | 0.6 |
| Contrast | 67.5 | 59.6 | 0.8 | 8.7 | 8.6 | 1.7 | 10.5 |
As can be seen from Table 5, compared with the control, the rice shoot plant height that seed coating agent special for direct seeding rice is handled is lower slightly, leaf age is suitable, and rice shoot individual plant band tiller number increases by 17.4～22.2%, and total radical increases by 8.3～12.3%, hundred seedling dry weights increase by 10.1～10.5%, and seedling quality obviously improves.
Table 5 seed coating agent special for direct seeding rice influences 30 days length of time rice seedlings grow to the water direct seeding seedling quality
As can be seen from Table 6, effective fringe comparison that seed dressing is handled is according to increasing by 7.9%, and every total grain panicle number, ripening rate, thousand kernel weight and contrast are similar, finally increase production 10.2%.
Table 6 seed coating agent special for direct seeding rice is to the influence of water direct seeding output
| Handle | Effective fringe (ten thousand/mu) | The real grain of every fringe number | Ripening rate (%) | Thousand kernel weight (g) | Theoretical yield (kg/ mu) | Actual production (Kg/ mu) |
| Seed coating agent special for direct seeding rice | 24.6 | 122.8 | 84.7 | 26.8 | 685.7 | 608.6 |
| Contrast | 22.8 | 121.2 | 84.9 | 26.8 | 628.8 | 552.4 |
Claims (10)
1, a kind of seed coating agent special for direct seeding rice is characterized in that the agent of this kind clothing is by high hydroscopic resin, oxygenation agent, drives sparrow expelling mouse agent, bactericide, insecticide, plant growth regulator, little fertilizer and extraordinary mineral clay mixing and form.The active ingredient that contains following ratio in the mixture that is obtained: high hydroscopic resin 2-8%, oxygenation agent 1-5% drives sparrow expelling mouse agent 0.1-0.5%, bactericide 0.5-2%, insecticide 0.5-2%, plant growth regulator 0.02-0.2%, little fertile 3-10%, surplus is extraordinary mineral clay.
2, seed coating agent special for direct seeding rice according to claim 1 is characterized in that described described high hydroscopic resin is agricultural type acrylic acid sodium salt cross-linked polymer, also can adopt other agricultural type water-absorbing resin.
3, seed coating agent special for direct seeding rice according to claim 1 is characterized in that described oxygenation agent is one or more in calper calcium peroxide, peromag, SODIUM PERCARBONATE, the ammonium peroxydisulfate.
4, seed coating agent special for direct seeding rice according to claim 1 is characterized in that the described sparrow expelling mouse agent that drives is that carbofuran, carbosulfan, Benfuracard micro, bromine kill one or more in the spirit.
5, seed coating agent special for direct seeding rice according to claim 1 is characterized in that described bactericide is one or more in benomyl, metalaxyl, Prochloraz, fenaminosulf, sulphur, tmtd, carbendazim, the kitazine.
6, seed coating agent special for direct seeding rice according to claim 1 is characterized in that described insecticide is one or more in Imidacloprid, cartap, the Avermectin.
7, seed coating agent special for direct seeding rice according to claim 1 is characterized in that described plant growth regulator is one or more in heteroauxin, indolebutyric acid, methyl, methyl sodium salt, paclobutrazol, uniconazole P, chlormequat, compound sodium nitrophenolate, the gibberellin.
8, seed coating agent special for direct seeding rice according to claim 1 is characterized in that described little fertilizer is one or more in zinc sulphate, zinc oxide, zinc chloride, multiple-effect zinc, ferrous sulfate, borax, magnesium sulfate, molybdenum trisulfate, manganese sulphate, the copper sulphate.
9, seed coating agent special for direct seeding rice according to claim 1 is characterized in that described extraordinary mineral clay is attapulgite and/or bentonite.
10, the purposes of the described seed coating agent special for direct seeding rice of claim 1 is characterized in that described product is used for direct sowing on dry paddy field, water direct seeding rice seed coating.
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