CN101810200A - Seed treating agent suitable for cultivation mode of sowing late rice with rape - Google Patents
Seed treating agent suitable for cultivation mode of sowing late rice with rape Download PDFInfo
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- CN101810200A CN101810200A CN201010140061A CN201010140061A CN101810200A CN 101810200 A CN101810200 A CN 101810200A CN 201010140061 A CN201010140061 A CN 201010140061A CN 201010140061 A CN201010140061 A CN 201010140061A CN 101810200 A CN101810200 A CN 101810200A
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Abstract
The invention belongs to the technical field of crop cultivation, in particular relates to a seed treating agent suitable for a cultivation mode of sowing late rice with rape. The seed treating agent is characterized by comprising the following components in percentage by mass: 0.12 to 0.18 percent of R-2-[4-(6-chlorquinoxalin-2-yloxy)phenoxy], 83.82 to 91.88 percent of dipotassium hydrogen phosphate, 4.00 to 8.00 percent of carbendazol and 4.00 to 8.00 percent of ammonium molybdate. By using the seed treating agent of the invention, seedlings with high and slim stems cannot be obtained by sowing the rapeseeds 10 to 15 days before the late rice is harvested or sowing the rapeseeds in rice stubbles after the rice is harvested by a machine, so that the problems of poor rape seedling quality, serious slim seedlings, easy lodging in later period of the rape and the like are resolved, the idleness of fallow in winter is reduced, and total yield of rapeseed is improved. The seed treating agent is particularly suitable for planting the rape in a rice-rice-rape planting mode in double-cropping rice regions in Yangtze River valley, so the seed treating agent has popularization value.
Description
Technical field
The invention belongs to the arviculture technical field, especially belong to a kind of seed treatment and application that is applicable to sowing late rice cabbage type rape cultivation mode
Background technology
2000, China became the whole world maximum oil plant country of consumption and importer, and vegetable oil produces need be particularly thorny.In recent years, China's edible vegetable oil degree of self-sufficiency only maintained about 40%, the sternness of oil plant security situation.Rapeseed oil is main provider's (accounting for 40-45%) of the homemade edible vegetable oil of China.Therefore, improving the comprehensive productivity of cabbage type rape is the important behave that ensures China's edible oil safety.Double rice cropping system is big because of crops for rotation contradiction, can not plant again after the late rice results one season cabbage type rape, thereby formed field in large-area winter slack at double rice cropping system, the phenomenon of laying idle winter is serious, field in winter slack, Yangtze river basin area has reached more than 100,000,000 mu at present.
Before late rice results 10-15 days, directly cover was broadcast cabbage type rape, and promptly sowing late rice cabbage type rape cultivation mode both can obtain higher cabbage type rape output, can solve the crops for rotation contradiction of double rice cropping system again, was the effective measures that the solution double rice cropping system is laid idle winter.Under this pattern, cabbage type rape seedling stage is because of the illumination deficiency, and seedling stage is line seedling and form high pin seedling even the dead seedling of large tracts of land very easily.Therefore, carry out suitable seed processing technology, suppress cabbage type rape line in seedling stage seedling, cultivate strong sprout, increase plant amount of growth before year guarantees that the rice shoot safe overwintering is the core key technology that rice woods cover is broadcast the cabbage type rape cultivation mode.
Summary of the invention
The purpose of this invention is to provide a kind of seed treatment and method for treating seeds thereof that is applicable to sowing late rice cabbage type rape cultivation mode, the present invention fully takes into account the rice woods cover of exploring in some province of China and broadcasts the deficiency of cabbage type rape culture technique in actual production process, several medicaments are cooperated in suitable ratio, be used for the seed treatment before rice woods cover is broadcast cabbage type rape, it is poor to solve the cabbage type rape seedling quality well, serious even the outstanding problems such as dead seedling of large tracts of land and the easy lodging of phase in cabbage type rape later stage of line seedling, thereby reduce the idle of large tracts of land vacant field, significantly improved the cabbage type rape gross yield.
Technical scheme of the present invention is as follows:
A kind of seed treatment that is applicable to sowing late rice cabbage type rape cultivation mode, each component by mass is as follows: R-2-[4-(6-chloro-quinoxaline-2-base oxygen) phenoxy group] be 0.12-0.18%; Dipotassium hydrogen phosphate is 83.82-91.88%; Carbendazim is that 4.00-8.00% and ammonium molybdate are 4.00-8.00%.
As preferred version, seed treatment of the present invention be respectively by mass: R-2-[4-(6-chloro-quinoxaline-2-base oxygen) phenoxy group] be 2.50%; Dipotassium hydrogen phosphate is 83.00%; Carbendazim is 6.15%; Ammonium molybdate 8.35%.
A kind of application method that is applicable to the seed treatment of cultivation mode of sowing late rice with rape, its step is as follows:
(1) after the late rice results, excavate the furrow ditch respectively, waist ditch and enclose ditch makes its degree of depth be respectively 0.2 meter, 0.25 meter and 0.35 meter, and mu is executed urea 7.5kg by weight; Commodity composite fertilizer 20kg makes base manure;
(2) soak described rape seed with aforesaid seed treatment, described rape seed and described seed treatment are counted 3: 5 by weight; The seed soaking processing time is 12 hours, and the seed soaking treatment temperature is 30 ℃;
(3) rape seed that step (2) was handled 10-15 days covers before the late rice results are sowed in the late rice, or the rape seed that step (2) was handled are carried out drying handle, and make the final content to 8% of its moisture, and are standby; Seeding quantity by weight is a 0.3kg/ mu;
(4) flower bud a kind of sedge phase imposes urea 5-10kg for every mu according to the growth of cereal crop seedlings of cabbage type rape, carries out chemical weed control according to big field weed growing way situation, prevents and treats the cabbage type rape stalk break flowering stage in cabbage type rape.
Promote according to multiple spot test and demonstration, adopt cabbage type rape output of the present invention can be stabilized in more than the 150kg/ mu.
The theory of institute of the present invention foundation is: the R-2-[4-in (1) inorganic agent of the present invention (6-chloro-quinoxaline-2-base oxygen) phenoxy group] cabbage type rape line seedling there is the obvious suppression effect, the sowing in 10-15 days before the late rice harvesting of its cabbage type rape seed of handling can not cause cabbage type rape to produce the line seedling, striven for 10-15 days sowing time in advance for the live cabbage type rape of late rice, make conditions such as its temperature that makes full use of before the late rice harvesting 10-15 days, light, water, gas, heat, help that cabbage type rape is early emerged, fast tiller; (2) dipotassium hydrogen phosphate in the inorganic agent provides phosphorus, potassium element during the germination and emergence of cabbage type rape seed, and seedling root length, root increase thick, radical, seedling fresh weight and dry weight are had facilitation; (3) carbendazim in the inorganic agent has bactericidal action to seed, strengthens the cabbage type rape disease resistance in seedling stage; (4) ammonium molybdate in the seed treatment of the present invention not only can significantly improve the speed of emergence and the emergence rate of cabbage type rape seed, and can be used as trace element fertilizer, molybdenum element wherein can promote the conversion of nitrogen and synthesizing of protein in the crop growth process, ammonium ion wherein can provide cabbage type rape required nitrogen element in seedling stage again.
Owing to adopted technique scheme, can effectively utilize 10-15 days resources supplIes such as water, fertilizer, gas, heat, light at double rice cropping system, thereby effectively alleviate the contradiction of autumn sowing labour, season, crops for rotation etc.Specifically, advantage of the present invention is: (1) sows 10-15 days ahead of time, has striven for the autumn sowing time, has alleviated contradiction in season, can reduce the double rice cropping system area of laying idle winter, increases the cabbage type rape gross output; (2) suppress cover and broadcast cabbage type rape line seedling, promote cabbage type rape early to send out strong sprout, lodging tolerance is strong, and the individual harmony of colony is good, and output is protected; (3) test and production practices show, all have a strong impact on percentage of seedgermination behind the paclobutrazol processing seed with variable concentrations, and efficacy stability of the present invention do not influence germination rate, suppresses effect stability, and simple to operate; (4) test shows, placement still has good effect more than June behind the seed drying after treatment, therefore can combine with seeds company, thereby improve the seed added value.
Description of drawings
Fig. 1: demonstration be R-2-[4-(6-chloro-quinoxaline-2-base oxygen) phenoxy group] handle the inhibition design sketch of back to cabbage type rape line seedling.
Among the figure: Fig. 1 contrast (being called for short CK) is the situation of cabbage type rape seed after growth 10 under the shading situation of crossing without chemicals treatment;
Fig. 1 N
1, N
2, N
3, N
4, N
5Be respectively R-2-[4-(6-chloro-quinoxaline-2-base oxygen) phenoxy group of 80ppm, 100ppm, 120ppm, 150ppm, 200ppm] situation of cabbage type rape seed after growing 10 days under the shading situation handled.
Fig. 2: demonstration be the design sketch that the present invention promotes cabbage type rape growth.
Fig. 3 and Fig. 4 show, and to be seeds treated of the present invention broadcast under the situation inhibition design sketch to cabbage type rape line seedling at the rice field cover.
Among the figure: Fig. 3 contrast (CK), Fig. 4 (CK) are the upgrowth situation of cabbage type rape seed after the rice field cover is broadcast 10 days of crossing without chemicals treatment; Fig. 3 N, Fig. 4 N are the upgrowth situation of seeds treated of the present invention after the rice field cover is broadcast 10 days; Fig. 4 C is the upgrowth situation of cabbage type rape seed after the rice field cover is broadcast 10 days that paclobutrazol was handled.
Embodiment
Under the embodiment 1 shading condition, R-2-[4-(6-chloro-quinoxaline-2-base oxygen) phenoxy group] soak seed to the inhibition effect of cabbage type rape line seedling
Compound concentration is R-2-[4-(6-chloro-quinoxaline-2-base oxygen) phenoxy group of 0ppm (contrast), 80ppm, 100ppm, 120ppm, 150ppm, 200ppm] each 100ml of solution, (kind is magnificent two No. 5 to soak 10g cabbage type rape seed respectively, the cabbage type rape new varieties of Hua Zhong Agriculture University's seed selection, in Chinese large scale application), place under 20 ℃-30 conditions seed soaking to take out after 12 hours, carry out pot experiment.20 seeds of every basin sowing, the fine earth lid is planted, and every processing repeats for 6 times.Make the abundant line seedling of cabbage type rape with the shading of black gobo then, 2-3 days " Invest, Then Investigate " germination rates are measured indexs such as height of seedling, root length after 10 days.The result shows, all emerges the seedling-growing time unanimity in sowing after 2 days with contrast under each treatment conditions; After the shading 10 days, the epicotyl of contrast cabbage type rape seedling significantly extends, and in the concentration range of 80ppm-120ppm, R-2-[4-(6-chloro-quinoxaline-2-base oxygen) phenoxy group] the line seedling of cabbage type rape seedling phase there is obvious inhibitory action, height of seedling extremely significantly is lower than contrast, suppress effect and reach 36%-60%, root/shoot ratio is significantly higher than contrast (see Table 1, Fig. 1).In the test, chat processing on carrying out with other 18 cabbage type rape varieties, result's similar (seeing Table 2) shows that seed treatment of the present invention has applicability preferably.
Table 1 R-2-[4-(6-chloro-quinoxaline-2-base oxygen) phenoxy group] soak seed to the inhibition effect of cabbage type rape line seedling
Annotate: * represents that the difference of handling and contrasting reaches 5% level, and * * handles with the expression difference that contrasts and reaches 1% level.
Table 2 R-2-[4-(6-chloro-quinoxaline-2-base oxygen) phenoxy group] handle inhibition effect to different cabbage type rape variety line seedlings
Illustrate: the kind in the table 2 is the cabbage type rape new varieties, and wherein Huaza No.3 and China are the seed selection of Wuhan, Hubei Hua Zhong Agriculture University two No. 4; Assorted 11, No. 12 of middle oil; In two 7,9, No. 10 be the seed selection of Wuhan, Hubei oil plant research institute of the Chinese Academy of Agricultural Sciences, be Chinese large tracts of land recommended variety.
Embodiment 2 seed treatments seed soaking of the present invention to the cabbage type rape after shading 10-15 days emerge, the influence of growth and output
The seed that cabbage type rape China is assorted No. 9 is soaked seed in above-mentioned optium concentration inorganic agent, is contrast with the distilled water seed soaking, carries out pot experiment on October 21st, 2007,50 of every basin sowings amount to 18 repetitions, and wherein 6 are repeated not shading, 6 are repeated shading 10 days, and 6 are repeated shading 15 days.Sow thinning after 20 days, seedling grows final singling behind 3 true leaves, and every barrel is stayed 1 seedling, and the maturing stage surveys and produces.
Investigate emergence rate, planting percent seedling stage, the phase of surviving the winter is carried out growth of cereal crop seedlings investigation, the maturing stage species test, and it the results are shown in Table 3, shown in the table 4.The result who investigates emergence rate, planting percent seedling stage shows: sow after 18 days, under not shading condition, the medicament seed soaking can significantly improve cabbage type rape emergence rate and planting percent compared with the control; Under the shading condition, contrast emergence rate and not shading do not have significant difference, but planting percent extremely significantly descends, and emergence rate and planting percent after medicament is soaked seed all are significantly higher than contrast.Surviving the winter, the survey showed that for the phase growth of cereal crop seedlings: under the not shading condition, significantly be better than contrast than the seedling quality after the medicament seed soaking; After the shading 10 days, contrast obvious line seedling, collar elongation attenuates, and seedling quality worsens, and after the medicament seed soaking was handled, collar is long significantly to be lower than contrast, and collar increases slightly, and seedling quality obviously improves, and shading 15 days is similar to the influence of rice shoot.Cabbage type rape maturing stage species test result shows: with contrast ratio, no matter be under shading or the not shading condition, the fruit number has improved single plant yield thereby the present invention all can increase cabbage type rape individual plant angle, sees table 3 for details.
The influence that table 3 seed treatment seed soaking of the present invention is emerged and grown cabbage type rape behind shading 10-15
The seed soaking of table 4 seed treatment of the present invention behind shading 10-15 to the influence of cabbage type rape yield traits
Embodiment 3
With cabbage type rape China is test material assorted No. 9, use above-mentioned optium concentration inorganic agent of the present invention and 2.0ppm paclobutrazol (a kind of plant growth regulator commonly used respectively in test sites such as Hubei Province's Wuxue City, Shayang County, produce by Sichuan Guoguang Agricultural Chemicals Co., Ltd.) seed soaking, with the clear water seed soaking is contrast, obtaining preceding 10 days covers on October 20th, 2008 late rice broadcasts, every mu of seeding quantity 0.4kg, gather in the crops paddy rice after 10 days, be that rice-oily symbiosis phase is 10 days, and according to the described water and fertilizer management that carries out of concrete technical scheme.Field piece area is a 3-5 mu.Winter Solstice the sampling survey growth of cereal crop seedlings, the maturing stage species test is also carried out determination of yield.
The experiment and demonstration result shows that the present invention compares with plant growth regulator paclobutrazol commonly used with contrast, and height of seedling, the collar that can increase cabbage type rape is thick, leaf dry weight, root dry weight, leaf area index, and shortens collar length, the results are shown in Table 5.Species test result after the cabbage type rape maturation shows, the plant height of cabbage type rape, branch and individual plant angle fruit number have not only been increased after the agent treated of the present invention, and increased substantially the basic seedling amount order of interplanting cabbage type rape, thereby its output is higher than the output (seeing Table 6) of paclobutrazol and clear water processing.
Table 5 seed treatment of the present invention is handled the growth of cereal crop seedlings of back in the land for growing field crops produces
| Handle | Emergence rate | Death rate (%) | Height of seedling (cm) | The greenery number | Collar long (cm) | Root long (cm) | Collar thick (cm) | Leaf dry weight (g) | Root dry weight (g) | Leaf area index |
| ??CK | ??42.5 | ??51.8 | ??9.7 | ??5.0 | ??4.7 | ??2.0 | ??0.180 | ??0.269 | ??0.045 | ??1.09 |
| Paclobutrazol | ??54.1 | ??40.5 | ??12.1 | ??5.2 | ??3.9 | ??3.3 | ??0.220 | ??0.370 | ??0.051 | ??1.83 |
| The present invention | ??70.4 | ??18.0 | ??12.2 | ??5.6 | ??2.3 | ??3.6 | ??0.252 | ??0.430 | ??0.058 | ??2.55 |
Illustrate: observation period is in early December, 2008
Land for growing field crops output after table 6 seed treatment of the present invention is handled
| Handle | Plant height (cm) | A branch amount | Individual plant angle fruit number | Every seed number per pod | Thousand kernel weight (g) | Single plant yield (g) | Output (kg/ mu) |
| ??CK | ??102.3 | ??4.7 | ??95.4 | ??15.1 | ??3.65 | ??5.2 | ??82.6 |
| Paclobutrazol | ??108.8 | ??5.1 | ??113.2 | ??14.7 | ??3.52 | ??5.8 | ??129.8 |
| The present invention | ??113.5 | ??5.5 | ??125.6 | ??14.1 | ??3.11 | ??5.5 | ??181.2 |
Claims (3)
1. a seed treatment that is applicable to cultivation mode of sowing late rice with rape is characterized in that, each component by mass percentage is as follows: R-2-[4-(6-chloro-quinoxaline-2-base oxygen) phenoxy group] be 0.12-0.18%; Dipotassium hydrogen phosphate is 83.82-91.88%; Carbendazim is that 4.00-8.00% and ammonium molybdate are 4.00-8.00%.
2. seed treatment according to claim 1 is characterized in that, each component by mass percentage is as follows: R-2-[4-(6-chloro-quinoxaline-2-base oxygen) phenoxy group] be 2.50%; Dipotassium hydrogen phosphate is 83.00%; Carbendazim is 6.15%; Ammonium molybdate 8.35%.
3. the described a kind of application method that is applicable to the seed treatment of cultivation mode of sowing late rice with rape of claim, its step is as follows:
(1) after the late rice results, excavate the furrow ditch respectively, waist ditch and enclose ditch makes its degree of depth be respectively 0.2 meter, 0.25 meter and 0.35 meter, and mu is executed urea 7.5kg by weight; Commodity composite fertilizer 20kg makes base manure;
(2) soak described rape seed with the described seed treatment of claim 1, described rape seed and described seed treatment are counted 3: 5 by weight; The seed soaking processing time is 12 hours, and the seed soaking treatment temperature is 30 ℃;
(3) rape seed that step (2) was handled 10-15 days covers before the late rice results are sowed in the late rice, or the rape seed that step (2) was handled are carried out drying handle, and make the final content to 8% of its moisture, and are standby; Seeding quantity by weight is a 0.3kg/ mu;
(4) every mu of flower bud a kind of sedge phase imposes urea 5-10kg.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553764A (en) * | 2013-10-14 | 2014-02-05 | 华中农业大学 | Rape seed soaking compound and application thereof, and rape seed undersowing method before late rice harvesting |
| CN105684711A (en) * | 2016-02-19 | 2016-06-22 | 太仓市丰缘农场专业合作社 | High-yield planting method of cabbage |
| CN108293737A (en) * | 2017-09-07 | 2018-07-20 | 江西省红壤研究所 | A kind of ratooning rice set broadcasts rape gently simple efficient cultivation method |
| CN114868607A (en) * | 2022-06-09 | 2022-08-09 | 江苏省农业科学院 | Culture method and facility suitable for leaf vegetable plants harvested in production line |
-
2010
- 2010-03-31 CN CN201010140061A patent/CN101810200A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553764A (en) * | 2013-10-14 | 2014-02-05 | 华中农业大学 | Rape seed soaking compound and application thereof, and rape seed undersowing method before late rice harvesting |
| CN105684711A (en) * | 2016-02-19 | 2016-06-22 | 太仓市丰缘农场专业合作社 | High-yield planting method of cabbage |
| CN108293737A (en) * | 2017-09-07 | 2018-07-20 | 江西省红壤研究所 | A kind of ratooning rice set broadcasts rape gently simple efficient cultivation method |
| CN114868607A (en) * | 2022-06-09 | 2022-08-09 | 江苏省农业科学院 | Culture method and facility suitable for leaf vegetable plants harvested in production line |
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Application publication date: 20100825 |