CN114080970A - Method for improving flowering quality of agate curcuma zedoaria - Google Patents
Method for improving flowering quality of agate curcuma zedoaria Download PDFInfo
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- CN114080970A CN114080970A CN202111161459.6A CN202111161459A CN114080970A CN 114080970 A CN114080970 A CN 114080970A CN 202111161459 A CN202111161459 A CN 202111161459A CN 114080970 A CN114080970 A CN 114080970A
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 240000009138 Curcuma zedoaria Species 0.000 title claims abstract description 44
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 title claims abstract description 36
- 235000003405 Curcuma zedoaria Nutrition 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 24
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 claims abstract description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 241000407170 Curcuma Species 0.000 claims abstract description 21
- 235000014375 Curcuma Nutrition 0.000 claims abstract description 21
- VFLDPWHFBUODDF-FCXRPNKRSA-N curcumin Chemical compound C1=C(O)C(OC)=CC(\C=C\C(=O)CC(=O)\C=C\C=2C=C(OC)C(O)=CC=2)=C1 VFLDPWHFBUODDF-FCXRPNKRSA-N 0.000 claims abstract description 21
- 238000011282 treatment Methods 0.000 claims description 26
- 239000004576 sand Substances 0.000 claims description 13
- 230000012010 growth Effects 0.000 claims description 11
- 238000005286 illumination Methods 0.000 claims description 10
- 239000001812 curcuma zedoaria berg. rosc. Substances 0.000 claims description 7
- 235000019509 white turmeric Nutrition 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 5
- 239000005747 Chlorothalonil Substances 0.000 claims description 3
- CRQQGFGUEAVUIL-UHFFFAOYSA-N chlorothalonil Chemical compound ClC1=C(Cl)C(C#N)=C(Cl)C(C#N)=C1Cl CRQQGFGUEAVUIL-UHFFFAOYSA-N 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 238000005138 cryopreservation Methods 0.000 claims 1
- 238000012258 culturing Methods 0.000 claims 1
- 235000015097 nutrients Nutrition 0.000 abstract description 6
- 238000010413 gardening Methods 0.000 abstract description 5
- 230000001988 toxicity Effects 0.000 abstract description 5
- 231100000419 toxicity Toxicity 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 14
- 230000035784 germination Effects 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 5
- 206010013883 Dwarfism Diseases 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000002786 root growth Effects 0.000 description 2
- 241000227129 Aconitum Species 0.000 description 1
- 241000963421 Curcuma kwangsiensis Species 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 244000057214 Stachys sieboldii Species 0.000 description 1
- 235000005116 Stachys sieboldii Nutrition 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000004883 flower formation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- SWGJCIMEBVHMTA-UHFFFAOYSA-K trisodium;6-oxido-4-sulfo-5-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].C1=CC=C2C(N=NC3=C4C(=CC(=CC4=CC=C3O)S([O-])(=O)=O)S([O-])(=O)=O)=CC=C(S([O-])(=O)=O)C2=C1 SWGJCIMEBVHMTA-UHFFFAOYSA-K 0.000 description 1
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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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/60—Flowers; Ornamental plants
-
- 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
- A01G31/00—Soilless cultivation, e.g. hydroponics
-
- 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
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C5/00—Fertilisers containing other nitrates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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Abstract
The invention discloses a method for improving the flowering quality of agate curcuma zedoaria. The agate curcuma zedoaria seedball is placed in a lanthanum nitrate solution for water culture. The lanthanum nitrate solution is used for improving the flowering quality of the curcuma agate, so that the bract on the inflorescence is brighter in color when the curcuma agate is used in the water culture period, the time from the beginning to the full bloom of the inflorescence can be shortened, and the inflorescence is more orderly and consistent in flowering; dwarfing inflorescences; prolonging the time interval between blossom and leaf. In conclusion, the lanthanum nitrate culture solution is a nutrient solution capable of improving the flowering quality of the curcuma agate, and is a water culture solution which is suitable for household gardening and is free of peculiar smell and toxicity.
Description
The technical field is as follows:
the invention belongs to the technical field of flower cultivation, and particularly relates to a method for improving the flowering quality of agate curcuma zedoary.
Background art:
agate zedoary is a new flower variety domesticated and bred from medicinal plant curcuma kwangsiensis. Compared with the original seeds, the flowering phase is earlier, the flowering rate and the seed ball yield are higher, the interval time between the first flowering and the second leaf is longer, and the ornamental value is improved. The inflorescence of the curcuma agate has the length of about 35 cm, the width of the inflorescence is about 10 cm, the upper bract is rose red, the middle bract is green, and the tip is purple red.
The flower color is an important index for measuring the ornamental value of flowers, is an important commercial quality of the flowers, and the agate curcuma zedoary has the phenomenon of continuous fading and aging of bracts in the process of extending and blooming inflorescences, so that the maintenance of the rich color of the flower color has important significance for the commercial popularization of the agate curcuma zedoary flowers.
The invention content is as follows:
the first purpose of the invention is to provide a method for improving the flowering quality of curcuma agate, the flowering quality of curcuma agate is improved by using the method, the bract color of the inflorescence is brighter in the opening process, the time from the beginning to the full bloom of the inflorescence is shortened, a large amount of white and compact absorption roots are germinated from the seed ball, the culture solution is clear and transparent without generating peculiar smell, and the ornamental value is increased.
The method for improving the flowering quality of the agate curcuma zedoaria is to place the agate curcuma zedoaria balls in a lanthanum nitrate solution for water culture.
Preferably, the lanthanum nitrate solution is 2.5-10mg/L lanthanum nitrate solution.
More preferably, the lanthanum nitrate solution is 2.5-5mg/L lanthanum nitrate solution.
Preferably, the agate curcuma zedoary seedball is subjected to water control treatment after germination acceleration, namely the seedball is not contacted with water, and then is placed in a lanthanum nitrate solution for water culture.
Preferably, the water control treatment is that the seed balls are not contacted with water for 4 days.
The method is characterized in that the method is placed in a lanthanum nitrate solution for water culture, and the culture conditions are as follows: the illumination is 3000-4000Lx, the illumination is carried out all day long, the temperature is 30 ℃, the relative humidity of air is 65%, the seed ball 1/2 is immersed in the culture solution until fibrous roots on the seed ball grow out, and then the using amount of the culture solution is reduced to 1/3 of the immersed seed ball.
Preferably, the germination accelerating step is that the seedball stored at low temperature for more than 40 days is transferred to a culture condition of 30 +/-1.5 ℃, is completely dark, has 65% of relative air humidity, is embedded in clean river sand, has 60% of water content in the river sand until white lateral buds germinate on the seedball for 1-2cm, is taken out of the seedball, is transferred to an environment with 3000 + 4000Lx illumination intensity, is cultured for 48h by using clear water with the height of immersing the ball body 1/2, enables the seedball to absorb moisture and recover growth, turns the white lateral buds to green, and is subjected to water control treatment.
Preferably, the low-temperature storage is to place the disinfected agate curcuma zedoary seedballs in sterilized river sand, and the storage environment is as follows: the temperature is 12 +/-1.0 ℃, the relative humidity of air is 65 percent, the air is dark, and the water content of river sand is kept at 60 percent.
Preferably, the disinfected agate curcuma zedoary seedball is obtained by selecting agate curcuma zedoary seedball with the diameter larger than 3cm, cutting off fibrous roots on the seedball, soaking 800 times of chlorothalonil for 30min, and then airing.
The second purpose of the invention is to provide the application of lanthanum nitrate in improving the flowering quality of agate curcuma zedoary.
The invention uses lanthanum nitrate solution to improve the flowering quality of the agate curcuma zedoary, and the basis of the method is that the bract color of the anthodium of the agate curcuma zedoary is brighter in the opening process, the time from the first flower to the full flower of the anthodium is shortened, the root system activity of the anthodium is improved, a large amount of white and compact absorption roots are germinated from the root, the lanthanum nitrate solution inhibits the growth of microorganisms in the culture solution, the culture solution is clear and transparent without generating peculiar smell, and the ornamental value is increased. In conclusion, the lanthanum nitrate culture solution is a nutrient solution capable of improving the flowering quality of the curcuma agate, and is a water culture solution which is suitable for household gardening and is free of peculiar smell and toxicity.
Description of the drawings:
FIG. 1 shows the effect of lanthanum nitrate on the flowering performance of Curcuma agate. Note: from left to right in sequence: treating with 0, 2.5,5,10mg/L lanthanum nitrate;
FIG. 2 shows the effect of lanthanum nitrate culture solution on the growth of the water culture root system of zedoary, wherein A is CK, B is lanthanum nitrate 2.5mg/L, C is lanthanum nitrate 5mg/L, and D is lanthanum nitrate 10 mg/L.
The specific implementation mode is as follows:
the following examples are further illustrative of the present invention and are not intended to be limiting thereof.
Example 1:
1. ball excavation and cleaning
Agate curcuma zedoaria seedballs were purchased from Guangxi nanning. And (4) digging underground seed balls at the bottom of 11 months after the overground parts of the agate curcuma zedoary wither completely. Selecting a seed ball with the diameter larger than 3cm, cutting off fibrous roots on the seed ball, soaking 800 times of chlorothalonil for 30min, and then airing for later use.
2. Low-temp storage of seed balls
Covering agate curcuma zedoaria seedballs by using river sand sterilized by high-pressure steam as a medium at the beginning of 12 months, and storing the covered agate curcuma zedoaria seedballs in a vertical fresh-keeping cabinet. The storage environment is as follows: the temperature is 12 ℃ (+ -1.0 ℃), the relative humidity of air is 65%, the air is totally dark, the water content of river sand is kept 60%, and the temperature and humidity are measured by using a YDSC-A01 type virgauged soil temperature and humidity recorder.
3. High-temperature germination acceleration of seed balls
And 1, in the middle ten days of the month, transferring the seedballs stored for more than 40 days to a high-temperature culture room for germination acceleration. The environment for accelerating germination is as follows: at 30 +/-1.5 ℃, the air is dark, the relative humidity of the air is 65 percent, and the water content of the river sand is kept at 60 percent. Seed ball culture: in ten days in 2 months, the seedball of the curcuma agate has been subjected to high-temperature germination for more than 20 days, white lateral buds grow for 1-2cm, at the moment, the seedball is taken out of sand, transferred to an environment with illumination intensity of 3000 + 4000Lx, and cultured for 48 hours by using clear water with the height of an immersed sphere 1/2, so that the seedball absorbs moisture and recovers growth, and the white lateral buds turn green.
4. Water control treatment for promoting growth of lateral buds of seed balls
After the seedball is cultured in clear water for 48 hours, the seedball is transferred out of the water culture environment to be subjected to water control treatment for different durations, the water control treatment method is that the seedball is not contacted with water at all (the specific water control time is shown in table 1), the seedball is put into the clear water again to be cultured after the water control is finished, and the flowering rates of the seedball after different water control durations are observed. The results are shown in table 1:
TABLE 1 Effect of different water control treatments on the flowering rate (%) of the agate zedoary seedballs
As can be seen from Table 1, the water control treatment 4d can effectively improve the flowering rate.
5.2.5 mg/L lanthanum nitrate culture solution for improving flowering quality of seed balls
Further, after 48h of clear water culture of the seedball, the seedball is transferred to a water culture environment for water control treatment for 4d, after the water control treatment is finished, 2.5mg/L lanthanum nitrate solution (table 2, the preparation method is to dissolve lanthanum nitrate in water according to the concentration) is used as a water culture nutrient solution (CK is water without lanthanum nitrate) of the seedball, the seedball is put into culture under the conditions of 3000 + 4000Lx illumination for all-day illumination, 30 ℃ for all-day illumination, 65% relative humidity of air, the height of the culture solution for immersing the seedball 1/2 until fibrous roots on the seedball grow out, and then the using amount of the culture solution is reduced to 1/3 height for immersing the seedball.
And observing the influence of lanthanum nitrate solutions with different concentrations as culture solutions after water control treatment on the phenological expression and the flower formation quality of the agate curcuma zedoary seedballs.
The root activity is determined by using the fleshy straight root with the length more than 5cm when the root is cultured in the lanthanum nitrate culture solution for 5 days. Selecting 6 seed balls in each treatment, counting the number of fleshy roots on the seed balls, which are longer than 5cm, and measuring the activity of the root system on an Shimadzu UV-2600 ultraviolet spectrophotometer by a TTC method.
The results are shown in table 2:
TABLE 22.5 mg/L lanthanum nitrate influence on flowering quality of A. agate
As shown in Table 2, the effect of the curcuma agate on the improvement of flowering quality is shown in the following table that the curcuma agate is cultured by using 2.5mg/L lanthanum nitrate solution after water control treatment: the time from the beginning to the full bloom of inflorescence on the seedball of the agate curcuma zedoary is shortened, which shows that the lanthanum nitrate treatment leads the blooming to be more regular and consistent; secondly, the lanthanum nitrate solution culture treatment dwarfs the first leaves and the flower branches, so that the curcuma agate is more suitable for being used as a mini water-cultured flower to be placed on a table; thirdly, compared with a control, the lanthanum nitrate culture solution prolongs the interval time between the first flower and the later leaf of the rhizome of the zedoary by 5d to the maximum extent, and the expression of the first flower and the later leaf ensures that the plant type is more beautiful and the time with high ornamental value is longer; the lanthanum nitrate solution culture improves the color of the bract of the inflorescence, so that the grey value of the bract is lower, the bract is pink, the contrast is pink, and the lanthanum nitrate with the concentration of 2.5mg/L ensures that the bract pigment content on the inflorescence is more and the color is more bright. (FIG. 1)
TABLE 32.5 mg/L Effect of lanthanum nitrate on the growth status of root systems of Curcuma Aconitum
Finally, 2.5mg/L lanthanum nitrate solution enables the roots of the curcuma zedoaria to germinate a large number of white and compact absorption roots (shown in table 3 and figure 2), and the culture solution is clear and transparent without generating peculiar smell and is more suitable for indoor placement. In conclusion, the lanthanum nitrate culture solution is a nutrient solution capable of improving the flowering quality of the curcuma agate, and can be used in a water culture period, so that the time from the beginning to the holding of inflorescences can be shortened, and the flowering is more orderly and consistent; dwarfing inflorescences; prolonging the time interval between the first blossom and the second leaf; the bract on the inflorescence is brighter in color. Is also a water culture solution which is suitable for household gardening and has no peculiar smell and toxicity.
Example 2:
steps 1, 2, 3, 4 are the same as in example 1: 1. digging and cleaning the seed balls; 2. seed balls are stored at low temperature; 3. high-temperature germination acceleration of the seed balls; 4. water control treatment promotes the growth of lateral buds of the seed balls; except that 5mg/L lanthanum nitrate culture solution was used in place of the 5mg/L lanthanum nitrate culture solution of example 1 in step 5.
5.5 mg/L lanthanum nitrate culture solution for improving flowering quality of seed balls
TABLE 45 mg/L lanthanum nitrate influence on flowering quality of Agate Arctic zedoary
As shown in Table 4, the effect of the curcuma agate in improving the flowering quality is shown in the following table that the curcuma agate is cultured by using a 5mg/L lanthanum nitrate solution after water control treatment: the time from the beginning to the full bloom of the inflorescence on the seedball of the agate curcuma zedoary is shortened by 2 days, which shows that the lanthanum nitrate treatment leads the blooming to be more regular and consistent; secondly, the lanthanum nitrate solution culture treatment dwarfs the first leaves and the flower branches, and is shorter than the first leaves by about 5cm, so that the curcuma agate is more suitable for being used as mini water-cultured flowers to be placed in a kitchen; compared with a control, the lanthanum nitrate culture solution prolongs the time interval between the first flower and the later leaf of the rhizome of the agate curcuma zedoary by 7 days, the appearance of the first flower and the later leaf ensures that the plant shape is more beautiful, and the lanthanum nitrate culture solution prolongs the time with high ornamental value; lanthanum nitrate solution culture improves the color of the corollary bracts of inflorescences, so that the gray value of the bracts is 31.6 lower than that of a control, the bracts are rosy, the control is pink, and the lanthanum nitrate of 5mg/L ensures that the bracts on the inflorescences are brighter. (FIG. 1)
TABLE 55 influence of lanthanum nitrate on the growth of root systems of Curcuma zedoaria
| Concentration of lanthanum nitrate solution mg/L | 0 | 5 |
| Root system activity (ugTTF concentration/(g x h)) | 1.3860±0.2380 | 2.7737±0.5842 |
| Root growth state | Root system of light yellow and disc knot | Root system coiling, white and compact |
| The number of the fleshy straight roots is more than 5cm | 5.25±0.9574 | 7±0.8164 |
| Turbidity degree of hydroponic liquid at 5d | Extremely turbid and peculiar smell | Is relatively clear and has no peculiar smell |
Finally, lanthanum nitrate solution of 5mg/L enables the radices of the curcuma zedoaria to germinate a large amount of white and compact absorption roots (table 5 and figure 2), the root activity reaches 2.77ug TTF concentration/g h, and the contrast is only 1.38ug TTF concentration/g h; the culture solution is clear and transparent, does not generate peculiar smell, and is more suitable for indoor placement. In conclusion, the 5mg/L lanthanum nitrate culture solution is a nutrient solution capable of improving the flowering quality of the curcuma agate, and can be used in a water culture period, so that the time from the beginning to the full bloom of inflorescences can be shortened, and the flowering is more orderly and consistent; dwarfing inflorescences; prolonging the time interval between the first blossom and the second leaf; the bract on the inflorescence is brighter in color. Is also a water culture solution which is suitable for household gardening and has no peculiar smell and toxicity.
Example 3:
steps 1, 2, 3, 4 are the same as embodiment 1: 1. digging and cleaning the seed balls; 2. seed balls are stored at low temperature; 3. high-temperature germination acceleration of the seed balls; 4. water control treatment promotes the growth of lateral buds of the seed balls; except that 10mg/L lanthanum nitrate culture solution was used in place of the 10mg/L lanthanum nitrate culture solution of example 1 in step 5.
5.10 mg/L lanthanum nitrate culture solution for improving flowering quality of seed balls
TABLE 610 mg/L lanthanum nitrate influence on flowering quality of agate curcuma zedoaria
As shown in Table 6, the effect of the cultured Curcuma zedoaria agate in the 10mg/L lanthanum nitrate solution after the water control treatment on the improvement of the flowering quality is shown as follows: the time from the beginning to the full bloom of the inflorescence on the seedball of the agate curcuma zedoary is shortened by 2 days, which shows that the lanthanum nitrate treatment leads the blooming to be more regular and consistent; secondly, the lanthanum nitrate solution culture treatment dwarfs the first leaves and the flower branches, and the first leaves and the flower branches are shorter than the first leaves by about 3.4cm, so that the curcuma agate is more suitable for being used as mini water-cultured flowers to be placed in a table; compared with a control, the lanthanum nitrate culture solution prolongs the time interval between the first flower and the later leaf of the rhizome of the agate curcuma zedoary by 7 days, the appearance of the first flower and the later leaf ensures that the plant shape is more beautiful, and the lanthanum nitrate culture solution prolongs the time with high ornamental value; lanthanum nitrate solution culture improves the color of the corollary bracts of inflorescences, so that the gray value of the bracts is 2.4 lower than that of a control, the bracts are rosy, the control is pink, and the lanthanum nitrate 10mg/L ensures that the bracts on the inflorescences are brighter. (FIG. 1)
TABLE 710 influence of lanthanum nitrate on the growth of the root system of Curcuma zedoaria
| Concentration of lanthanum nitrate solution mg/L | 0 | 10 |
| Root system activity (ugTTF concentration/(g x h)) | 1.3860±0.2380 | 2.2852±0.7166 |
| Root growth state | Root system of light yellow and disc knot | Short root system and slight yellow |
| The number of the fleshy straight roots is more than 5cm | 5.25±0.9574 | 5.25±1.2583 |
| Turbidity degree of hydroponic liquid at 5d | Extremely turbid and peculiar smell | Clear and has no peculiar smell |
The lanthanum nitrate solution of 10mg/L enables the rhizome of the curcuma zedoaria to germinate a large amount of white and compact absorption roots (table 7 and figure 2), the root activity reaches 2.29ug TTF concentration/g h, and the control is only 1.38ug TTF concentration/g h; the culture solution is clear and transparent, does not generate peculiar smell, and is more suitable for indoor placement. In conclusion, the 10mg/L lanthanum nitrate culture solution is a nutrient solution capable of improving the flowering quality of the curcuma agate, and can be used in a water culture period, so that the time from the beginning to the full bloom of inflorescences can be shortened, and the flowers can be more orderly and consistent; dwarfing inflorescences; prolonging the time interval between the first blossom and the second leaf; the bract on the inflorescence is brighter in color. Is also a water culture solution which is suitable for household gardening and has no peculiar smell and toxicity.
Claims (10)
1. The method for improving the flowering quality of the agate curcuma zedoaria is characterized in that the agate curcuma zedoaria seedballs are placed in a lanthanum nitrate solution for water culture.
2. The method of claim 1, wherein the lanthanum nitrate solution is 2.5-10mg/L lanthanum nitrate solution.
3. The method of claim 2, wherein the lanthanum nitrate solution is a 2.5-5mg/L lanthanum nitrate solution.
4. The method as claimed in claim 1, wherein the seeds of Curcuma agate are subjected to pregermination, then to water-controlling treatment, i.e. the seeds do not contact water, and then to water culture in lanthanum nitrate solution.
5. The method of claim 4, wherein the water control treatment is that the seed ball is not contacted with water for 4 days.
6. The method as claimed in claim 1, 2, 3, 4 or 5, characterized in that said hydroponic culture in lanthanum nitrate solution is carried out under the following conditions: the illumination is 3000-4000Lx, the illumination is carried out all day long, the temperature is 30 ℃, the relative humidity of air is 65%, the seed ball 1/2 is immersed by the lanthanum nitrate culture solution until fibrous roots on the seed ball grow out, and then the using amount of the culture solution is reduced to 1/3 of the immersed seed ball.
7. The method as claimed in claim 4, wherein the pregermination is carried out by transferring the seedball stored at low temperature for more than 40 days to culture conditions of 30 ℃ ± 1.5 ℃, total darkness and 65% relative humidity of air, embedding the seedball in clean river sand, keeping the water content of the river sand at 60% until white lateral buds sprout on the seedball for 1-2cm, taking the seedball out of the river sand, transferring the seedball to an environment with 3000-4000Lx illumination intensity, culturing for 48h by using clear water with the height of an immersed ball 1/2, allowing the seedball to absorb water, recovering growth, turning the white lateral buds to green, and then carrying out water control treatment on the seedball.
8. The method of claim 7, wherein the cryopreservation is performed by placing the sterilized agate curcuma zedoary seedballs in clean river sand, and the storage environment is as follows: the temperature is 12 +/-1.0 ℃, the relative humidity of air is 65 percent, the air is dark, and the water content of river sand is kept at 60 percent.
9. The method as claimed in claim 8, wherein the sterilized zedoary agate seed balls are obtained by selecting the zedoary agate seed balls with the diameter of more than 3cm, cutting off the fibrous roots on the seed balls, soaking 800 times of chlorothalonil for 30min, and then airing the seed balls.
10. The lanthanum nitrate is applied to improving the flowering quality of the agate curcuma zedoaria.
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