CN113243372B - Application of fluazinone in promotion of rice shoot differentiation and ratoon rice planting - Google Patents
Application of fluazinone in promotion of rice shoot differentiation and ratoon rice planting Download PDFInfo
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- CN113243372B CN113243372B CN202110422606.4A CN202110422606A CN113243372B CN 113243372 B CN113243372 B CN 113243372B CN 202110422606 A CN202110422606 A CN 202110422606A CN 113243372 B CN113243372 B CN 113243372B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
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- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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Abstract
The invention discloses application of fluazinone in promoting rice tillering bud differentiation and ratoon rice planting. The fluazinone can be used for promoting the growth of ratoon rice and the tillering bud differentiation of the rice, has a regulation and control effect on the growth of the ratoon rice, has little environmental pollution, can effectively reduce the occurrence of diseases and insect pests of the rice, can be widely applied to the planting of the ratoon rice of different rice varieties in different areas, and has obvious effects of increasing the ear and increasing the yield of the ratoon rice.
Description
Technical Field
The invention belongs to the technical field of crop production, and particularly relates to application of fluazinone in promotion of rice tillering bud differentiation and ratoon rice planting.
Background
The regenerated rice is a rice planting mode which utilizes rice stakes harvested from first-season rice, adopts certain management and cultivation measures to enable dormant tiller buds on the rice stakes to quickly germinate into seedlings, sprout and set up fruit and harvest again. When rice is mature, the tillering buds usually exist on a plurality of sections, after the first season is harvested, the tillering buds of the rice are grown and spiked again, and the tillering buds grow and develop for about 2 months and are mature again to be harvested. The ratoon rice has the advantages of short growth period, seed saving, labor saving, cost saving, water saving, full utilization of light temperature resources, high benefit and the like.
In recent years, research on aspects such as variety breeding and scientific cultivation greatly promotes the increase of the yield of the regenerated rice. However, the development of the yield potential is seriously influenced by the lag of the basic theory research of the ratooning rice, so that the key technology for forming and controlling the yield of the ratooning rice needs to be systematically researched to develop a key technology system for controlling the production of the ratooning rice. At the present stage, reagents capable of promoting plant tillering bud differentiation are few in the market, and the using effects of the reagents for promoting plant tillering bud differentiation on different plants are different, so that a possible solution for searching a new substance to regulate and control rice regeneration is provided.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art described above. Therefore, the invention provides the application of the fluazinone in promoting the tillering bud differentiation of the rice, and the fluazinone can be used for regulating and controlling the growth and development of plants and the yield of regenerated rice.
The invention also provides an application of the fluazinone in promoting the planting of the ratoon rice.
The invention also provides a planting method of ratoon rice.
The invention also provides a method for promoting rice tillering bud differentiation.
According to a first aspect of the present invention, the use of fluazinone in ratoon rice planting is presented.
According to the second aspect of the invention, the application of the fluazinone in promoting the rice shoot bud differentiation is provided.
According to a third aspect of the present invention, there is provided a method of promoting the planting of ratoon rice, comprising the steps of: the above-mentioned fluazinone is dissolved and sprayed on the rice.
In some embodiments of the present invention, the solvent for preparing the fluazinone solution is at least one selected from the group consisting of absolute ethanol, distilled water, and acetone.
In some embodiments of the present invention, the concentration of the sprayed fluazinone solution is 10 to 90 μ M.
In some embodiments of the present invention, the concentration of the sprayed fluazinone solution is 15 to 40 μ M.
In some embodiments of the invention, the concentration of the sprayed fluazinone solution is 30 μ M.
In some embodiments of the present invention, the amount of the sprayed fluazinone solution is 15 to 25 liters/acre.
In some embodiments of the invention, the method further comprises adding or not adding a bactericide, insecticide, acaricide, nematicide, herbicide, plant growth regulator, fertilizer or soil conditioner to the fluazinone solution.
In some embodiments of the invention, the height of the rice stump is 10-50 cm.
According to a fourth aspect of the present invention, there is provided a method for promoting rice shoot differentiation, comprising the steps of: the solution of the fluazinone was sprayed on the rice.
The application of the fluazinone in promoting the rice shoot differentiation and the ratoon rice planting has at least the following beneficial effects: the fluazinone of the scheme of the invention can be used for promoting the growth of ratoon rice and the tillering bud differentiation of rice, has a regulation and control effect on the growth of ratoon rice, has little pollution to the environment, can effectively reduce the occurrence of diseases and insect pests of rice, can be widely applied to the planting of ratoon rice in different areas and different rice varieties, and has obvious effects of increasing the spike and increasing the yield of ratoon rice planting.
Drawings
The invention is further described with reference to the following figures and examples, in which:
FIG. 1 is a graph showing the results of the effect of fluazinone on the height of the Meixiang No. 2 ratooned rice stump in example 1 of the present invention, wherein the scale in the graph is 10 cm;
FIG. 2 is a graph showing the results of the effect of fluazinone on the height of the stake of Yuenongsimiao ratoon ratooning rice in example 1 of the present invention (the scale in the graph is 10 cm);
FIG. 3 is a graph showing the effect of fluazinone on the number of ears per plant and the number of grains per ear for Yuenongsimiao rata rice at different stump heights in example 1 of the present invention;
FIG. 4 is a graph showing the effect of the fluazinone on the setting percentage and the effective ear ratio of Yuenongsimiao rata rice of example 1;
FIG. 5 is a graph showing the effect of fluazinone on the number of ears per plant and the number of grains per ear per plant at different stake heights of Meixiang No. 2 ratoon rice in example 1 of the present invention;
fig. 6 is a graph showing the effect of the fluazinone on the fructification rate and the effective ear ratio of meixiang No. 2 ratoon rice at different stump heights in example 1 of the present invention.
Detailed Description
The idea of the invention and the resulting technical effects will be clearly and completely described below in connection with the embodiments, so that the objects, features and effects of the invention can be fully understood. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive efforts are within the protection scope of the present invention based on the embodiments of the present invention. The test methods used in the examples are all conventional methods unless otherwise specified; the materials, reagents and the like used are commercially available reagents and materials unless otherwise specified.
Preparing a fluazinone solution: accurately weighing 0.0329g of fluazinone, adding alcohol to dissolve, adding water to a constant volume of 10ml to prepare 10mM fluazinone mother liquor, and performing gradient dilution on the mother liquor to an appropriate concentration when in use.
Ratooning rice test: the regenerated rice spraying test was carried out by using 2 varieties of rice stakes of Meixiangzhan No. 2 and Yuenongsimiao obtained experimentally by the Hongshou agricultural science and technology cooperative society of Yiyang Datong lake.
Example 1 influence of height of rice stump on setting percentage of different rice
2 rice ears of rice varieties of 'Meixiangzhan No. 2' and 'Yuenongsimiao' are selected, cut and planted in cement buckets filled with rice soil, and 2 rice ears in each bucket are planted in 100 buckets in total. After transplanting and seedling-postponing, retaining piles (15cm, 30cm and 50cm) at different heights on the rice. The spraying was carried out using a fluazinone solution at a concentration of 30 μ M. The control group was sprayed with the same amount of clear water. After the fluopyridone solution is sprayed, the rice with different treatment pile heights is photographed, and the photographing is carried out once every 7 days until the ratoon rice is mature.
The experimental results are shown in fig. 1-6, fig. 1 is a result graph of the influence of the fluazinone on the height of the Meixiang No. 2 regenerated rice stump, and as can be seen from fig. 1, the fluazinone has obvious effect of promoting the bud differentiation of the stump-retaining buds of the Meixiang No. 2 regenerated rice stumps with different heights compared with a control group, wherein the fluazinone has the strongest effect of promoting the stump-retaining buds of 15cm and 50 cm; fig. 2 is a result chart of the effect of the fluazinone on the height of the stump of the Cantonese silkworms regenerated rice, and it can be seen from fig. 2 that the fluazinone has obvious effect of promoting the differentiation of the shoot buds of the Cantonese silkworms regenerated rice with different stump heights; fig. 3 is a graph of the influence results of the fluazinone on the number of single ears and the number of single ear grains of the Yuenongsimiao regenerated rice at different stump heights, and it can be seen from fig. 3 that after the fluazinone solution is treated, the number of single ear grains and the number of single ears at different stump heights are obviously increased compared with those of a control group, wherein the fluazinone has the strongest effect on the rice stump at 30cm stump height; fig. 4 is a graph showing the effect of the fluridone on the setting percentage and the effective ear ratio of the yuenon silky rice with different post heights, and it can be seen from fig. 4 that the setting percentage and the effective ear ratio of the yuenon silky rice with different post heights after the fluridone solution treatment are both obviously increased compared with the control group, wherein the effective ear ratio of the yuenon silky rice with the post height of 15cm is the highest; fig. 5 is a graph showing the influence of the fluazinone on the number of ears per plant and the number of seeds per ear at different stump heights of meixiang No. 2 ratooned rice, and it can be seen from fig. 5 that after the fluazinone solution is treated, the number of ears per plant at different stump heights of meixiang No. 2 is obviously increased compared with that of the control group; fig. 6 is a graph showing the effect of the fluridone on the maturing rate and the effective ear ratio of the meixiang No. 2 ratoon rice at different stump heights, and it can be seen from fig. 6 that the maturing rate and the effective ear ratio of the meixiang No. 2 ratoon rice at different stump heights after being treated by the fluridone solution are obviously increased compared with those of the control group.
Example 2 Effect of Fluazinone spray concentration on Rice shoot number
2 rice ears of rice varieties "Meixiangzhan No. 2" and "Yuenongsimiao" were selected, and 30cm rice stakes were planted in cement buckets filled with rice soil, 2 plants per bucket were planted in 30 buckets in total, and a solution of fluridone (concentration 10. mu.M, 30. mu.M, 50. mu.M, 90. mu.M) was sprayed without any treatment on the control group. After the fluoropyridone solution is sprayed, photographing is carried out on the rice with different treatment pile heights, photographing is carried out once every 7 days until the ratoon rice is mature, and the average number of new tiller buds of each plant of rice is recorded.
TABLE 1
The experimental results are shown in table 1, the table 1 shows the influence results of the average new tiller bud number of the meixiang No. 2 and the yuenongsimiao sprayed with the fluoropyridone reagents with different concentrations, and the table shows that the fluoropyridone has the effect of increasing tiller bud branches of two different types of rice, wherein the effect on the meixiang No. two is more obvious, and the average new tiller bud number of the rice reaches the maximum under the condition that the fluoropyridone concentration is 30 mu M.
Example 3 Rice field test
On the basis of laboratory tests, after first season rice is harvested in a test field of a Macro agriculture and technology cooperative society in the Yiyang Datong lake region by using 2 varieties of rice, namely Meixiang No. 2 and Yuenongsimiao, the tests are carried out. And a cell partition mode is adopted, and the height of the pile is 30 cm. The fluazinone reagent is sprayed according to the concentration of 30 MuM, the quantity of the sprayed fluazinone solution is 20 liters/mu, and the control group is sprayed with clear water.
TABLE 2
| Control group | Yue nong Si Miao | |
| Effective ear ratio | 0.82 | 0.96 |
| Seed setting percentage | 67.9％ | 78.8％ |
TABLE 3
| Control group | Meixiangzhan No. 2 | |
| Effective ear ratio | 0.75 | 0.94 |
| Seed setting percentage | 68.2％ | 79.3％ |
The experimental results are shown in tables 2 and 3, table 2 shows the influence results of the spraying of the fluopyridone solution on the effective panicle rate and the seed setting rate of yuenong silkworms in the field experiment, and table 3 shows the influence results of the spraying of the fluopyridone solution on the effective panicle rate and the seed setting rate of meixiang account for No. 2 in the field experiment.
In conclusion, the yield of the ratooning rice is effectively improved by spraying the fluazinone, and the yield is increased mainly by the increase of the number of buds of the ratooning rice.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
Claims (8)
1. The application of the fluazinone in promoting rice shoot bud differentiation is characterized in that the concentration of the fluazinone is 15-40 mu mol/L.
2. The application of the fluazinone in the planting of the ratooning rice is characterized in that the fluazinone is used for promoting the tillering bud differentiation of the ratooning rice, and the concentration of the fluazinone is 15-40 mu mol/L.
3. A planting method of ratoon rice is characterized by comprising the following steps: and spraying a fluazinone solution on the rice stumps, wherein the spraying concentration of the fluazinone solution is 15-40 mu mol/L.
4. The method according to claim 3, wherein the solvent for preparing the fluazinone solution is at least one selected from the group consisting of absolute ethanol, distilled water, acetone.
5. The method according to claim 3, wherein the amount of the fluazinone solution sprayed is 35 to 45 liters/acre.
6. The method according to claim 3, further comprising adding or not adding a bactericide, an insecticide, an acaricide, a nematicide, a herbicide, a plant growth regulator, a fertilizer or a soil conditioner to the fluazinone solution.
7. The method according to claim 3, wherein the rice stump height is 10-50 cm.
8. A method for promoting rice shoot differentiation is characterized by comprising the following steps: and spraying a fluazinone solution onto the rice, wherein the concentration of the fluazinone solution is 15-40 mu mol/L.
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| CN115943958A (en) * | 2022-08-04 | 2023-04-11 | 青岛农业大学 | Application of fluazinone in promotion of peony WD40, MYB2 and CHS1 gene expression |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110663691A (en) * | 2019-10-30 | 2020-01-10 | 中国水稻研究所 | High-temperature-resistant rice plant growth regulator and use method and application thereof |
| CN111436437A (en) * | 2020-04-24 | 2020-07-24 | 中国科学院昆明植物研究所 | Reagent for antagonizing physiological action of n-butyl alcohol |
| CN111567528A (en) * | 2020-05-21 | 2020-08-25 | 福建农林大学 | Regulator for improving regeneration rate of axillary buds of regenerated rice and application method thereof |
| CN111685127A (en) * | 2020-06-19 | 2020-09-22 | 甘肃省科学院生物研究所 | Inducer for promoting vegetative propagation of plants and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110663691A (en) * | 2019-10-30 | 2020-01-10 | 中国水稻研究所 | High-temperature-resistant rice plant growth regulator and use method and application thereof |
| CN111436437A (en) * | 2020-04-24 | 2020-07-24 | 中国科学院昆明植物研究所 | Reagent for antagonizing physiological action of n-butyl alcohol |
| CN111567528A (en) * | 2020-05-21 | 2020-08-25 | 福建农林大学 | Regulator for improving regeneration rate of axillary buds of regenerated rice and application method thereof |
| CN111685127A (en) * | 2020-06-19 | 2020-09-22 | 甘肃省科学院生物研究所 | Inducer for promoting vegetative propagation of plants and application thereof |
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