Special leaf fertilizer for regenerative fragrant rice and application of special leaf fertilizer

Abstract

The invention discloses a special leaf fertilizer for regenerative fragrant rice and application of the special leaf fertilizer. The special leaf fertilizer for the regenerated fragrant rice contains regulating substances such as triacontanol, gibberellin, diethyl aminoethyl hexanoate, pimacol, paclobutrazol and amino acid, and also contains microelement fertilizers such as zinc sulfate, ferrous sulfate, copper sulfate, manganese sulfate and ammonium molybdate. The special foliar fertilizer for the regenerated fragrant rice is appropriate in component and proper in proportion, and the yield of the regenerated fragrant rice can be effectively increased and the content of fragrant substances of the regenerated fragrant rice can be increased by applying the foliar fertilizer after first season fragrant rice is harvested. The special leaf fertilizer for the regenerated fragrant rice has the effects of increasing yield and aroma, and is beneficial for improving quality and efficiency of rice industry production.

Description

Technical Field

[0001] The invention belongs to the technical field of crop cultivation, and more specifically relates to a special foliar fertilizer for regenerated fragrant rice and application thereof. Background Art

[0002] Fragrant rice is loved by consumers for its attractive special aroma and rich nutrients, and has high economic value. In view of the excellent taste and nutritional quality of fragrant rice and its broad potential market demand, promoting the cultivation of fragrant rice has become a highlight for farmers to increase their income. However, since the quality of fragrant rice is not only controlled by genetic factors, but also affected by environmental conditions and cultivation techniques, it is particularly sensitive to fertilization measures. Therefore, during the growth process of fragrant rice, it is particularly important to maintain the excellent quality of fragrant rice and increase the yield of fragrant rice by applying special fertilizers.

[0003] Ratoon rice refers to a rice planting method in which after the first season of rice is harvested, appropriate field management measures are taken to allow the harvested rice stubble to grow again, head and bear fruit, so that another season of rice can be harvested. Using aromatic rice varieties for ratoon rice planting can further improve the planting efficiency of aromatic rice. Although ratoon rice is good, its aroma and yield levels are low. Therefore, it is necessary to provide special fertilizers for ratoon aromatic rice to further increase the yield of ratoon aromatic rice and its aroma substance content, so as to improve the quality and efficiency of rice industry production.

[0004] Although there are reports on fertilizers that can promote rice production and aroma and promote regenerated rice production, the promotion of rice production and aroma is aimed at first-season rice rather than regenerated rice. Since regenerated rice germinates from dormant buds that survive on the rice stubble after the first-season rice is harvested, its demand for nutrients is different from that of first-season rice. In addition, fragrant rice is more sensitive to fertilization measures, and existing fertilizers for regenerated rice (non-regenerated fragrant rice) are not necessarily suitable for regenerated fragrant rice. More importantly, existing regenerated rice fertilizers only focus on increasing the yield of regenerated rice without paying attention to changes in its aroma, that is, there is currently a lack of fertilizers that can promote the aroma of regenerated fragrant rice. In order to further improve the aroma and yield of regenerated fragrant rice, it is necessary to provide a special fertilizer for increasing the yield and aroma of regenerated fragrant rice. Summary of the invention

[0005] The technical problem to be solved by the present invention is to overcome the defects and shortcomings of the existing special fertilizer for increasing the yield and aroma of regenerated fragrant rice, and to provide a special foliar fertilizer for regenerated fragrant rice that can improve the yield and aroma of regenerated fragrant rice.

[0006] The first object of the present invention is to provide a special foliage fertilizer for regenerated fragrant rice.

[0007] The second object of the present invention is to provide the use of the foliar fertilizer in promoting the yield and / or aroma of fragrant rice.

[0008] The third object of the present invention is to provide a method for promoting the yield and aroma of regenerated fragrant rice.

[0009] The above-mentioned purpose of the present invention is achieved through the following technical solutions:

[0010] The present invention obtains a foliar fertilizer micro-fertilizer system that helps to increase the yield of regenerated fragrant rice and the content of its aroma substance (2-acetyl-1-pyrroline) through continuous testing and adjustment. On the basis of the foliar fertilizer micro-fertilizer system, the present invention obtains a special foliar fertilizer that can promote the increase of yield and aroma of regenerated fragrant rice by compounding a regulating substance system. Therefore, the present invention claims protection for the special foliar fertilizer for regenerated fragrant rice and its related applications.

[0011] The invention provides a special foliar fertilizer for regenerated fragrant rice. The foliar fertilizer consists of the following components in parts by weight: 10.8-22 parts of zinc sulfate, 24-36 parts of ferrous sulfate, 4.5-10.5 parts of copper sulfate, 26.8-34 parts of manganese sulfate, 1.4-5.8 parts of ammonium molybdate, 0.01-0.05 parts of triacontanol, 0.38-0.52 parts of gibberellins, 0.24-0.56 parts of aminoethyl hexanoate, 0.12-0.2 parts of sodium naphthylacetate, 0.85-1.46 parts of paclobutrazol, 0.36-0.5 parts of surfactant and 6.85-16.9 parts of amino acids; the amino acids consist of proline, ornithine and glutamic acid, and the mass ratio of the amino acids is 0.8-1.2:0.8-1.2:0.8-1.2.

[0012] Specifically, the surfactant is one or more of polysorbate, fatty acid glyceride, and sodium dodecylbenzene sulfonate.

[0013] More specifically, the surfactant is sodium dodecylbenzene sulfonate.

[0014] Preferably, the foliar fertilizer is composed of the following components in parts by weight: 18-22 parts of zinc sulfate, 24-31 parts of ferrous sulfate, 6-10.5 parts of copper sulfate, 28-34 parts of manganese sulfate, 1.4-5 parts of ammonium molybdate, 0.01-0.05 parts of triacontanol, 0.42-0.52 parts of gibberellins, 0.45-0.56 parts of aminoethyl hexanoate, 0.12-0.2 parts of sodium naphthylacetate, 0.85-1.4 parts of paclobutrazol, 0.45-0.5 parts of surfactant, and 6.8-13.24 parts of amino acids; wherein the amino acids are composed of proline, ornithine and glutamic acid, and the mass ratio of each amino acid is 1:1:1. The yield of regenerated fragrant rice treated with the foliar fertilizer of the above ratio is relatively increased, ranging from 12.34 to 101.24. Among them, when the application time is 30 days after the harvest of the first-season fragrant rice, the yield increase range is 51.02-59.93, and the aroma substance content (2-acetyl-1-pyrroline; 2-AP) increases by 14.19-28.95, and the improvement effect is obvious.

[0015] Further preferably, the foliar fertilizer is composed of the following components in parts by weight: 18-20 parts of zinc sulfate, 25-31 parts of ferrous sulfate, 6-8 parts of copper sulfate, 28-30 parts of manganese sulfate, 3-5 parts of ammonium molybdate, 0.04-0.05 parts of triacontanol, 0.42-0.5 parts of gibberellins, 0.45-0.5 parts of aminoethyl hexanoate, 0.1-0.2 parts of sodium naphthylacetate, 1.3-1.4 parts of paclobutrazol, 0.45-0.5 parts of surfactant, and 6.85-13.24 parts of amino acids; wherein the amino acids are composed of proline, ornithine and glutamic acid, and the mass ratio of each amino acid is 1:1:1. The yield of regenerated fragrant rice is further increased by using the foliar fertilizer with the above ratio, and the increase range is 20.4-101.24. When the application time is 20 to 40 days after the first season of fragrant rice harvest, the yield increase range is 41.82 to 101.24, and the yield increase effect is obvious.

[0016] In view of the fact that the foliar fertilizer of the present invention can promote the yield and aroma of regenerated fragrant rice, the present invention seeks to protect the use of the foliar fertilizer in promoting the yield and / or aroma of fragrant rice.

[0017] Specifically, the aromatic rice is regenerated aromatic rice.

[0018] In a specific embodiment of the present invention, the variety of the fragrant rice is Meixiangzhan No. 2.

[0019] Preferably, when the main purpose is to enhance the aroma, the foliar fertilizer is composed of the following components in parts by weight: 10.8 parts of zinc sulfate, 3.6 parts of ferrous sulfate, 4.5 parts of copper sulfate, 26.8 parts of manganese sulfate, 5.8 parts of ammonium molybdate, 0.05 parts of triacontanol, 0.38 parts of gibberellins, 0.24 parts of aminoethyl hexanoate, 0.2 parts of sodium naphthaleneacetate, 1.46 parts of paclobutrazol, 0.36 parts of surfactant, and 16.9 parts of amino acids; wherein the amino acids are composed of proline, ornithine and glutamic acid, and the mass ratio of each amino acid is 1:1:1. The aroma substance content of the regenerated fragrant rice treated with the foliar fertilizer of the above ratio is the largest. Among them, the effect is relatively best when the application time is 30 days after the first season fragrant rice is harvested, which is significantly different from the control.

[0020] Preferably, when the main purpose is to increase production, the foliar fertilizer is composed of the following components in parts by weight: 18 parts of zinc sulfate, 31 parts of ferrous sulfate, 8 parts of copper sulfate, 28 parts of manganese sulfate, 5 parts of ammonium molybdate, 0.05 parts of triacontanol, 0.5 parts of gibberellins, 0.5 parts of aminoethyl hexanoate, 0.2 parts of sodium naphthylacetate, 1.4 parts of paclobutrazol, 0.5 parts of surfactant, and 6.85 parts of amino acids; wherein the amino acids are composed of proline, ornithine and glutamic acid, and the mass ratio of each amino acid is 1:1:1. The yield of regenerated fragrant rice was increased the most by using the foliar fertilizer with the above ratio. Among them, the effect of applying the fertilizer 20 days after the first season of fragrant rice was harvested was relatively the best, which was significantly different from the control.

[0021] The present invention also provides a method for promoting the increase of yield and aroma of regenerated fragrant rice, wherein the method comprises: dissolving the foliar fertilizer of the present invention and spraying it on the leaves of the regenerated fragrant rice 10 to 40 days after the first season fragrant rice is harvested.

[0022] Specifically, 20 to 40 days after the first season of fragrant rice is harvested, the foliar fertilizer of the present invention is dissolved and sprayed on the leaves of the regenerated fragrant rice, so that water droplets gather on the leaves without dripping.

[0023] Optionally, spray again 40 days after the first spray.

[0024] Specifically, the amount of foliar fertilizer per mu of land is 180-220 g, which is dissolved in 30-50 kg of water and then sprayed.

[0025] More specifically, the amount of foliar fertilizer per mu of land is 200 g, which is dissolved in 30 kg of water and then sprayed.

[0026] The present invention has the following beneficial effects:

[0027] The present invention provides a special foliar fertilizer for regenerated fragrant rice, which contains regulating substances such as triacontanol, gibberellins, aminoethyl hexadecene, sodium naphthylacetate, paclobutrazol and amino acids, and also contains micro-fertilizers such as zinc sulfate, ferrous sulfate, copper sulfate, manganese sulfate and ammonium molybdate. The special foliar fertilizer for regenerated fragrant rice of the present invention has suitable components and proper proportions, and has good water solubility and stability. Applying the foliar fertilizer after the first season of fragrant rice is harvested helps to further improve the yield and aroma of the regenerated fragrant rice. That is, the special foliar fertilizer for regenerated fragrant rice of the present invention has the effect of increasing production and fragrance, and can improve the quality and efficiency of rice industry production. DETAILED DESCRIPTION

[0028] The present invention is further described below with reference to specific examples, but the examples do not limit the present invention in any form. Unless otherwise specified, the reagents, methods and equipment used in the present invention are conventional reagents, methods and equipment in the art.

[0029] Unless otherwise specified, the reagents and materials used in the following examples are commercially available.

[0030] The zinc sulfate used in the embodiments of the present invention was purchased from Shanghai McLean Biochemical Technology Co., Ltd. with the product number Z931371; the ferrous sulfate used was purchased from Shanghai McLean Biochemical Technology Co., Ltd. with the product number F903428; the copper sulfate used was purchased from Shanghai McLean Biochemical Technology Co., Ltd. with the product number C805353; the manganese sulfate used was purchased from Guangzhou Qianhui Chemical Instrument Co., Ltd. with the product number SJ02158; the ammonium molybdate used was purchased from Shanghai McLean Biochemical Technology Co., Ltd. with the product number A828288; the triacontanol used was purchased from Nanjing Herbal Source Biotechnology Co., Ltd. with the product number T91450; the gibberellin used was purchased from Shanghai McLean Biochemical Technology Co., Ltd. with the product number G810400; The aminoethyl ester used was purchased from Beijing Dehang Wuzhou Technology Co., Ltd. with the product number VTY31081; the sodium naphthylacetate used was purchased from Shanghai Maclean Biochemical Technology Co., Ltd. with the product number N814777; the paclobutrazol used was purchased from Shanghai Maclean Biochemical Technology Co., Ltd. with the product number P909630; the surfactant sodium dodecylbenzenesulfonate used was purchased from Shanghai Maclean Biochemical Technology Co., Ltd. with the product number S918313; the proline used in the amino acid was purchased from Higher Education Research (Beijing) Technology Co., Ltd. with the product number HWG60988; ornithine was purchased from Shanghai Maclean Biochemical Technology Co., Ltd. with the product number L960433; and glutamic acid was purchased from Shanghai Kaiwei Chemical Technology Co., Ltd. with the product number JZ00388Q.

[0031] Example 1 Regenerated fragrant rice special foliar fertilizer formula 1

[0032] The foliar fertilizer of this embodiment is composed of the following components in parts by weight: 10.8 parts of zinc sulfate, 36 parts of ferrous sulfate, 4.5 parts of copper sulfate, 26.8 parts of manganese sulfate, 5.8 parts of ammonium molybdate, 0.05 parts of triacontanol, 0.38 parts of gibberellins, 0.24 parts of aminoethyl hexanoate, 0.2 parts of sodium naphthylacetate, 1.46 parts of paclobutrazol, 0.36 parts of surfactant, and 16.9 parts of amino acids. The surfactant is sodium dodecylbenzene sulfonate; the amino acids are composed of proline, ornithine and glutamic acid in a mass ratio of 1:1:1.

[0033] When applying, take 200g of foliar fertilizer prepared according to the above weight proportions per mu, dissolve it in 30kg of water and spray it evenly; that is, according to the dosage of 200g / mu, add 30L of water for spraying.

[0034] In this embodiment, Meixiangzhan No. 2 was used as a test variety, and the effect of spraying the foliar fertilizer described in this embodiment on the yield of regenerated fragrant rice and its aroma substance content was tested 10 days, 20 days, 30 days and 40 days after the first season fragrant rice was harvested. Specifically, 10 days, 20 days, 30 days and 40 days after the first season fragrant rice was harvested by machine, 30L of foliar fertilizer described in this embodiment was added with water according to the dosage of 200g / mu for spraying treatment, so that water droplets gathered on the leaf surface without dripping, and normal management was performed during the period. After the regenerated fragrant rice matured, the effective number of panicles, the number of grains per panicle, the fruit setting rate, the thousand-grain weight, the yield and the aroma substance content of the regenerated fragrant rice were calculated (repeated 3 times). Among them, the control group was sprayed with an equal amount of clear water. The aroma substance measured was 2-acetyl-1-pyrroline (2-AP), which was determined using a Shimadzu gas chromatograph-mass spectrometer GC-MS QP 2010plus. The determination method was based on the literature (Gui Runfei, Chen Yongjian, Jiang Ye, Li Lin, Wang Zaiman, Pan Shenggang, Zhang Minghua, Tang Xiangru, Mo Zhaowen. Deep placement of liquid fertilizer at tillering stage influences grain quality, 2-acetyl-1-pyrroline synthesis, and antioxidant response of fragrant rice. Field Crops Research 289 (2022) 108716).

[0035] The results of the effects of spraying the foliar fertilizer described in this embodiment at different times on the yield of regenerated fragrant rice and the content of its aroma substances are shown in Table 1. As shown in Table 1, spraying the foliar fertilizer described in this embodiment 10, 20 or 30 days after mechanical harvesting can increase the number of effective panicles and the number of grains per panicle of the regenerated fragrant rice, and spraying the foliar fertilizer described in this embodiment 10, 20, 30 or 40 days after mechanical harvesting can increase the fruit setting rate, 1000-grain weight and yield of the regenerated fragrant rice, and significantly increase the 2-AP content in the regenerated fragrant rice, but its effect on the yield of regenerated fragrant rice and the like will be affected by the spraying time, and no matter when spraying, the foliar fertilizer described in this embodiment can significantly increase the 2-AP content in the regenerated fragrant rice (p<0.05).

[0036] Table 1 Effects of different spraying times on regenerated aromatic rice yield and aroma substance content

[0037]

[0038]

[0039] The data in the table are the average values ​​of three repeated measurements. Different lowercase letters after the mean indicate that the difference reached a significant level in statistical analysis (p<0.05).

[0040] Embodiment 2 Regeneration fragrant rice special foliar fertilizer formula 2

[0041] The foliar fertilizer of this embodiment is composed of the following components in parts by weight: 22 parts of zinc sulfate, 24 parts of ferrous sulfate, 10.5 parts of copper sulfate, 34 parts of manganese sulfate, 1.4 parts of ammonium molybdate, 0.01 parts of triacontanol, 0.52 parts of gibberellins, 0.56 parts of aminoethyl hexanoate, 0.12 parts of sodium naphthylacetate, 0.85 parts of paclobutrazol, 0.5 parts of surfactant, and 6.8 parts of amino acids. The surfactant is sodium dodecylbenzene sulfonate; the amino acids are composed of proline, ornithine and glutamic acid in a mass ratio of 1:1:1.

[0042] When applying, take 200g of the foliar fertilizer prepared according to the above weight proportions per mu, dissolve it in 30kg of water and spray it evenly. In this example, Meixiangzhan No. 2 was used as the test variety, and the effect of the foliar fertilizer described in this example on the yield and aroma substance content of regenerated fragrant rice was tested by the same method as in Example 1.

[0043] The results of the effects of the foliar fertilizer described in this embodiment on the yield and aroma substance content of the regenerated fragrant rice at different spraying times are shown in Table 2. From the results shown in Table 2, it can be seen that, except that the spraying of the foliar fertilizer described in this embodiment 40 days after mechanical harvesting did not increase the fruit setting rate of the regenerated fragrant rice, the other spraying times can increase the number of effective panicles, the number of grains per panicle, the fruit setting rate, the thousand-grain weight and the yield of the regenerated fragrant rice, and increase the 2-AP content in the regenerated fragrant rice, and the comprehensive effect of spraying 30 days after mechanical harvesting is the best.

[0044] Table 2 Effects of different spraying times on regenerated aromatic rice yield and aroma substance content

[0045]

[0046] The data in the table are the average values ​​of three repeated measurements. Different lowercase letters after the mean indicate that the difference reached a significant level in statistical analysis (p<0.05).

[0047] Example 3 Regenerated fragrant rice special foliar fertilizer formula 3

[0048] The foliar fertilizer of this embodiment is composed of the following components in parts by weight: 15 parts of zinc sulfate, 30 parts of ferrous sulfate, 7 parts of copper sulfate, 30 parts of manganese sulfate, 4 parts of ammonium molybdate, 0.04 parts of triacontanol, 0.4 parts of gibberellins, 0.4 parts of aminoethyl hexanoate, 0.15 parts of sodium naphthylacetate, 1 part of paclobutrazol, 0.45 parts of surfactant, and 11.56 parts of amino acids. The surfactant is sodium dodecylbenzene sulfonate; the amino acids are composed of proline, ornithine and glutamic acid in a mass ratio of 1:1:1.

[0049] When applying, take 200g of the foliar fertilizer prepared according to the above weight proportions per mu, dissolve it in 30kg of water and spray it evenly. In this example, Meixiangzhan No. 2 was used as the test variety, and the effect of the foliar fertilizer described in this example on the yield and aroma substance content of regenerated fragrant rice was tested by the same method as in Example 1.

[0050] The results of the effects of the foliar fertilizer described in this embodiment on the yield and aroma substance content of regenerated fragrant rice at different spraying times are shown in Table 3. As shown in Table 3, spraying the foliar fertilizer described in this embodiment 10 days, 20 days and 30 days after mechanical harvesting has an increasing effect on the number of effective panicles of regenerated fragrant rice; at the same time, spraying increases the number of grains per panicle, but the effect is not significant; spraying 10 days, 30 days and 40 days after mechanical harvesting significantly increases the fruit setting rate and yield; the spraying treatment has no significant effect on the thousand-grain weight; the spraying treatment significantly increases the content of the aroma substance 2-AP (p<0.05).

[0051] Table 3 Effects of different spraying times on regenerated aromatic rice yield and aroma substance content

[0052]

[0053] The data in the table are the average values ​​of three repeated measurements. Different lowercase letters after the mean indicate that the difference reached a significant level in statistical analysis (p<0.05).

[0054] Embodiment 4 Regeneration fragrant rice special foliar fertilizer formula 4

[0055] The foliar fertilizer of this embodiment is composed of the following components in parts by weight: 20 parts of zinc sulfate, 25 parts of ferrous sulfate, 6 parts of copper sulfate, 30 parts of manganese sulfate, 3 parts of ammonium molybdate, 0.04 parts of triacontanol, 0.42 parts of gibberellins, 0.45 parts of aminoethyl hexanoate, 0.1 parts of sodium naphthylacetate, 1.3 parts of paclobutrazol, 0.45 parts of surfactant, and 13.24 parts of amino acids. Among them, the surfactant is sodium dodecylbenzene sulfonate; the amino acids are composed of proline, ornithine and glutamic acid in a mass ratio of 1:1:1.

[0056] When applying, take 200g of the foliar fertilizer prepared according to the above weight proportions per mu, dissolve it in 30kg of water and spray it evenly. In this example, Meixiangzhan No. 2 was used as the test variety, and the effect of the foliar fertilizer described in this example on the yield and aroma substance content of regenerated fragrant rice was tested by the same method as in Example 1.

[0057] The results of the effects of the foliar fertilizer described in this example on the yield and aroma substance content of the regenerated fragrant rice at different spraying times are shown in Table 4. As shown in Table 4, the spraying treatment 10 to 30 days after mechanical harvesting significantly increased the number of effective panicles of the regenerated fragrant rice, but the spraying treatment had no significant effect on the number of grains per panicle, fruit setting rate and thousand-grain weight. The spraying treatment 20 to 40 days after mechanical harvesting significantly increased the yield and aroma substance content of the regenerated fragrant rice (p<0.05).

[0058] Table 4 Effects of different spraying times on regenerated aromatic rice yield and aroma substance content

[0059]

[0060] The data in the table are the average values ​​of three repeated measurements. Different lowercase letters after the mean indicate that the difference reached a significant level in statistical analysis (p<0.05).

[0061] Example 5 Regenerated fragrant rice special foliar fertilizer formula 5

[0062] The foliar fertilizer of this embodiment is composed of the following components in parts by weight: 18 parts of zinc sulfate, 31 parts of ferrous sulfate, 8 parts of copper sulfate, 28 parts of manganese sulfate, 5 parts of ammonium molybdate, 0.05 parts of triacontanol, 0.5 parts of gibberellins, 0.5 parts of aminoethyl hexanoate, 0.2 parts of sodium naphthylacetate, 1.4 parts of paclobutrazol, 0.5 parts of surfactant, and 6.85 parts of amino acids. Among them, the surfactant is sodium dodecylbenzene sulfonate; the amino acids are composed of proline, ornithine and glutamic acid in a mass ratio of 1:1:1.

[0063] When applying, take 200g of the foliar fertilizer prepared according to the above weight proportions per mu, dissolve it in 30kg of water and spray it evenly. In this example, Meixiangzhan No. 2 was used as the test variety, and the effect of the foliar fertilizer described in this example on the yield and aroma substance content of regenerated fragrant rice was tested by the same method as in Example 1.

[0064] The results of the effects of the foliar fertilizer described in this example on the yield and aroma substance content of the regenerated fragrant rice at different spraying times are shown in Table 5. As shown in Table 5, the spraying treatments at 10 and 20 days after mechanical harvesting significantly increased the number of effective panicles of the regenerated fragrant rice, but the spraying treatments had no significant effect on the number of grains per panicle, the fruit setting rate, and the thousand-grain weight; the treatments at 10, 20, and 30 days after mechanical harvesting significantly increased the yield of the regenerated fragrant rice; and the spraying treatments at 10 to 40 days after mechanical harvesting could increase the aroma substance content (p<0.05).

[0065] Table 5 Effects of different spraying times on regenerated aromatic rice yield and aroma substance content

[0066]

[0067] The data in the table are the average values ​​of three repeated measurements. Different lowercase letters after the mean indicate that the difference reached a significant level in statistical analysis (p<0.05).

[0068] Comparative Example

[0069] The foliar fertilizer for regenerated fragrant rice of the present invention is obtained through continuous testing and adjustment for regenerated fragrant rice. The formula of some foliar fertilizers used in the process (hereinafter referred to as comparative formulas) is shown in Table 6 (the amino acids and surfactants used in the table are the same as those in Example 1). Meixiangzhan No. 2 was used as the test variety, and the effects of spraying the foliar fertilizer on the yield of regenerated fragrant rice and the content of aroma substances (2-AP) were tested 10 days after the first season fragrant rice was harvested. The test method was the same as in Example 1; the control group was sprayed with an equal amount of clean water.

[0070] Table 6 Comparative formula composition and content of each component (parts)

[0071] Components Comparison formula 1 Comparison formula 2 Comparison formula 3 Comparison formula 4 Zinc sulfate 5 10 22 25 Ferrous Sulfate 23 25 36 40 Copper sulfate 3 4.5 10 12 Manganese sulfate 24 26 34 36 Ammonium molybdate 0 1 5 6 Triacontanol 0.05 0.01 0.05 0.06 Gibberellins 0.2 0.38 0.52 0.6 Aminoethyl hexanoate 0.15 0.24 0.56 0.6 Sodium naphthylacetate 0.1 0.15 0.4 0.5 Paclobutrazol 0.7 0.85 1.46 1.6 Amino Acids 4 6.8 16.9 18 Surfactants 0.45 0.45 0.45 0.45

[0072] The effects of different comparative formulas shown in Table 6 on the yield and aroma substance content of regenerated fragrant rice are shown in Table 7. Compared with the control, the comparative formula can increase the number of effective panicles, number of grains per panicle, fruit setting rate, thousand-grain weight and yield to a certain extent, but there is no significant difference with the control group.

[0073] Table 7 Effects of different foliar fertilizer formulas on regenerated aromatic rice yield and aroma substance content

[0074]

[0075] The data in the table are the average values ​​of three biological replicates. Different lowercase letters after the mean indicate that the difference reached a significant level in statistical analysis (p<0.05).

[0076] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A foliar fertilizer specially used for regenerated fragrant rice, characterized in that: The foliar fertilizer consists of the following components in parts by weight: 10.8-22 parts of zinc sulfate, 24-36 parts of ferrous sulfate, 4.5-10.5 parts of copper sulfate, 26.8-34 parts of manganese sulfate, 1.4-5.8 parts of ammonium molybdate, 0.01-0.05 parts of triacontanol, 0.38-0.52 parts of gibberellins, 0.24-0.56 parts of aminoethyl hexanoate, 0.12-0.2 parts of sodium naphthylacetate, 0.85-1.46 parts of paclobutrazol, 0.36-0.5 parts of surfactant, and 6.85-16.9 parts of amino acids; the amino acids consist of proline, ornithine and glutamic acid, and the mass ratio of each amino acid is 0.8-1.2:0.8-1.2:0.8-1.

2.

2. The foliar fertilizer according to claim 1, characterized in that The surfactant is one or more of polysorbate, fatty acid glyceride and sodium dodecylbenzene sulfonate.

3. The foliar fertilizer according to claim 1, characterized in that The foliage fertilizer consists of the following components in parts by weight: 18-22 parts of zinc sulfate, 24-31 parts of ferrous sulfate, 6-10.5 parts of copper sulfate, 28-34 parts of manganese sulfate, 1.4-5 parts of ammonium molybdate, 0.01-0.05 parts of triacontanol, 0.42-0.52 parts of gibberellins, 0.45-0.56 parts of ammonium ethyl hexanoate, 0.12-0.2 parts of sodium naphthylacetate, 0.85-1.4 parts of paclobutrazol, 0.45-0.5 parts of surfactant and 6.8-13.24 parts of amino acids.

4. The foliar fertilizer according to claim 3, characterized in that The foliar fertilizer consists of the following components in parts by weight: 18-20 parts of zinc sulfate, 25-31 parts of ferrous sulfate, 6-8 parts of copper sulfate, 28-30 parts of manganese sulfate, 3-5 parts of ammonium molybdate, 0.04-0.05 parts of triacontanol, 0.42-0.5 parts of gibberellins, 0.45-0.5 parts of ammonium ethyl hexanoate, 0.1-0.2 parts of sodium naphthylacetate, 1.3-1.4 parts of paclobutrazol, 0.45-0.5 parts of surfactant and 6.85-13.24 parts of amino acids.

5. Use of the foliar fertilizer according to any one of claims 1 to 4 in promoting the yield and / or aroma of aromatic rice.

6. The use according to claim 5, characterized in that: The aromatic rice is regenerated aromatic rice.

7. A method for increasing the yield and aroma of regenerated aromatic rice, characterized in that: 10 to 40 days after the first season of fragrant rice is harvested, the foliar fertilizer according to any one of claims 1 to 4 is dissolved and sprayed on the leaves of the regenerated fragrant rice.

8. The method according to claim 7, characterized in that: Spray again 40 days after the first spraying.

9. The method according to claim 7, characterized in that: The amount of foliar fertilizer per mu of land is 180-220g, which should be dissolved in 30-50kg of water and sprayed.

10. The method according to claim 9, characterized in that: The amount of foliar fertilizer per mu of land is 200g, which should be dissolved in 30kg of water and sprayed.

Images