CN1717976A - The dwarfing culture method of color certain herbaceous plants with big flowers - Google Patents
The dwarfing culture method of color certain herbaceous plants with big flowers Download PDFInfo
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- CN1717976A CN1717976A CN 200410062738 CN200410062738A CN1717976A CN 1717976 A CN1717976 A CN 1717976A CN 200410062738 CN200410062738 CN 200410062738 CN 200410062738 A CN200410062738 A CN 200410062738A CN 1717976 A CN1717976 A CN 1717976A
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- dwarfing
- herbaceous plants
- big flowers
- certain herbaceous
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Abstract
The invention discloses the dwarfing culture method of a kind of color certain herbaceous plants with big flowers, this method is under the conventional cultivation management condition, selects at least a in the following processing: 1) soak seed with dwarfing agent prior to seeding; 2) spray dwarfing agent at first pair of leaf period; 3) spray dwarfing agent in the apparent flower bud phase; Described dwarfing agent is that concentration is that paclobutrazol solution or the concentration of 1-200ppm is the B of 1000-5000ppm
9Solution.Use this method to cultivate color certain herbaceous plants with big flowers the plant height of color certain herbaceous plants with big flowers is obviously reduced, the practical approach of a control plant height also is provided for the color certain herbaceous plants with big flowers crossbreed of WUHUAFEN, have certain application prospect.
Description
Technical field
The present invention relates to the dwarfing culture method of plant, particularly relate to a kind of dwarfing culture method of color certain herbaceous plants with big flowers.
Background technology
Color certain herbaceous plants with big flowers (colored sunflower) is meant the sunflower that pattern is different, because it has stronger ornamental value, thereby is expected to occupy critical role in the active industry of flowers and plants.
For a long time, in people's impression, yellow unique color of sunflower seemingly.But now, the researcher utilizes modern biotechnology to integrate mutually with classical technology, through research and seed selection incessantly in more than 20 years, createed multiple pattern and " the color certain herbaceous plants with big flowers " that come in every shape, the corolla color have pure red, light red, golden yellow, orange, yellowish, white, reddish yellow is double-colored and multiple embedding and look; On the form, single-lobe, polyphyll are arranged, branch or unramified is arranged, these colors and form families can be widely used in that the room is potted plant, park or the square flower bed is put and fresh cut-flowers etc.But at these suitable application areas, the user all has certain requirement to the form of plant and pattern and the rhythm.For example, the developmental stage of plant, plant height etc.At present, the plant height of color certain herbaceous plants with big flowers is generally higher, has limited its popularization and sale on market.
B
9, have another name called I (Alar), chemical name is the dimethylamine succinamic acid, product is faint yellow, dissolves in hot water.B
9As plant growth retardent, division capable of inhibiting cell makes shoot growth slow.Be usually used in preventing peanut excessive growth in the production, suppress the fruit tree shoot growth, promote flower bud differentiation, prevent preharvest drop etc.
Paclobutrazol has another name called efficient azoles, neoprene azoles, PP333 etc., is the synthetic inhibitor of endogenous hormones gibberellin, can suppress the crop longitudinal tensile strain, make to tiller or branch increases, and the stem chap, plant is downgraded compact.
Summary of the invention
The dwarfing culture method that the purpose of this invention is to provide a kind of color certain herbaceous plants with big flowers.
The dwarfing culture method of color certain herbaceous plants with big flowers provided by the present invention is under the conventional cultivation management condition, selects at least a in the following processing:
1) soaks seed with dwarfing agent prior to seeding;
2) spray dwarfing agent at first pair of leaf period;
3) spray dwarfing agent in the apparent flower bud phase;
Described dwarfing agent is that concentration is that paclobutrazol solution or the concentration of 1-200ppm is the B of 1000-5000ppm
9Solution.
In said method, the preferred concentration of described paclobutrazol solution is 100-150ppm; Described B
9The preferred concentration of solution is 2000-3000ppm.Reaching first pair of leaf period prior to seeding handles with dwarfing agent or reaches prior to seeding and show the flower bud phase and handle with dwarfing agent and downgrade effect and carry out treatment effect a more independent period and will get well; Prior to seeding, first pair of leaf period and apparent flower bud phase three phases all make the dwarfing best results of color certain herbaceous plants with big flowers with dwarfing agent.
Described seed soaking time is 4-24 hour, and preferred seed soaking time is 10 hours.
Use method provided by the invention and cultivate color certain herbaceous plants with big flowers, can obtain a large amount of dwarfed plants effectively, be applicable to large tracts of land production, and it is easy and simple to handle, used dwarfing agent obtains easily, and the dwarfed plant robust growth that obtains has good ornamental value, have higher actual application value, the practical approach of a control plant height also is provided for the color certain herbaceous plants with big flowers crossbreed of WUHUAFEN simultaneously.
Embodiment
The dwarfing culture of embodiment 1, color certain herbaceous plants with big flowers
1, the B of 2500ppm
9The preparation of solution
With 25mgB
9Be dissolved in the 10L water.
2, seed soaking
Seed is soaked in the B that concentration is 2500ppm
9In the solution, the 10 hours time (in 4-24 hour scope all can);
The seed variety that adopts is the colored hybrid sunflower of WUHUAFEN, and the female parent of described crossbreed is G13-13, and male parent is 4340-180, and " a kind of method of cultivating the colored sunflower of WUHUAFEN ", number of patent application 200410029892.4 are seen in its source.
3, sowing
The planting seed that will soak (diameter be 4-8cm all can) in earthen basin.
Used sowing media is the composite soil of forest peat soil and thin sand and soil; Sowing depth is 2.5cm (1-4cm all can, be optimized for 2-3cm); 1 seed of every basin sowing (1-2 grain all can) is before the sowing or after planting water sufficient water; The sowing temperature is made as 22 ℃, air humidity 60%, light application time 16h/ days.
4, spray dwarfing agent
In two growth periods of color certain herbaceous plants with big flowers, (concentration is the B of 2500ppm evenly to spray dwarfing agent to its surface
9Solution), be sprayed onto blade and will drip and be degree, spray the period to be respectively:
First sprays the period: first pair of leaf period, and promptly the first pair of true leaf grows to the period of 3-6cm length, and the next day, spray twice.
First sprayed after the period, and to diameter slightly in the basin of big (10-18cm), after this Sheng Chang environmental temperature is made as 26 ℃ with plantlet of transplant.
Second sprays the period: show the flower bud phase, promptly the diameter of bud reaches the period of 1-2cm, and the next day sprays twice.
Second sprayed after the period, with plantlet of transplant in the basin of diameter bigger (20-30cm), and with basin apart from drawing back to 20cm (15-30cm all can), so that expansion space makes plant be subjected to light abundant.
Then, color certain herbaceous plants with big flowers just can enter initial bloom stage, full-bloom stage, wilting phase and maturing stage successively.The color certain herbaceous plants with big flowers average height that obtains is 45-75 centimetre, obviously short control group in normal cultivation (average height of control group is 95-106 centimetre).
Embodiment 2, dwarfing agent and concentration thereof are to the influence of color certain herbaceous plants with big flowers plant height
To test seed and be divided into three groups, under the indoor conditions (20-26 ℃), one group immerses contrast solution (water), and other two groups of seeds are divided into five groups for every group again, immerses concentration respectively and be 1,50,100,150, in the 200ppm paclobutrazol and concentration is 1000,2000,3000,4000, the B of 5000ppm
9In, soak time is 10 hours, and then the planting seed after all are soaked is observed also record plant height (at the height of full-bloom stage measurement cotyledon to floral disc) in the earthen basin that contains forest peat soil and thin sand and soil.Experimental result is as shown in table 1, shows: two kinds of dwarfing agents all have certain dwarfing effect to the plant height of sunflower, and to downgrade effect more obvious along with the increase of dwarfing agent concentration, and promptly dwarfing agent concentration and plant height are a kind of negative correlation.From the result as can be seen, B
9Dwarfing effect greater than paclobutrazol, work as B
9Concentration when being 5000ppm, the growth of sunflower is subjected to comprehensively drawing up, and causes ornamental value to reduce.
Plant height after the different dwarfing agents of table 1 are handled
| Dwarfing agent and concentration | Plant height (cm) | Dwarfing agent and concentration (ppm) | Plant height (cm) |
| Contrast | 106 | Contrast | 106 |
| The 1ppm paclobutrazol | 104 | 1000ppm B 9 | 98 |
| The 50ppm paclobutrazol | 98 | 2000ppm B 9 | 93 |
| The 100ppm paclobutrazol | 96 | 3000ppm B 9 | 87 |
| The 150ppm paclobutrazol | 90 | 4000ppm B 9 | 82 |
| The 200ppm paclobutrazol | 86 | 5000ppm B 9 | 75 |
Embodiment 3, different development stage use the influence of dwarfing agent to plant height
To test seed and be divided into three groups, one group for contrast, uses water treatment, and all the other two groups is that paclobutrazol solution and the concentration of 100ppm is 3000ppmB with concentration respectively
9Solution-treated.In the experiment, every big group is divided into some groups again and handles as follows respectively: soaked seed prior to seeding 10 hours, and sprayed on first pair of leaf period surface, show flower bud phase surface and spray, + the first pair of leaf period of soaking seed sprays, and+the first pair of leaf period of soaking seed sprays+show the flower bud phase and spray.The result who downgrade to handle is as shown in table 2, and illustrate: except that control group, various processing all have dwarfing effect to the sunflower plant, and the effect handled of seed soaking is not so good as first pair of leaf period and sprays and show the flower bud phase and spray separately.The dwarfing effect of Combined Processing (+the first pair of leaf period of soaking seed sprays, and+the first pair of leaf period of soaking seed sprays+show the flower bud phase and spray) is more obvious.+ the first pair of leaf period of soaking seed sprays+shows the flower bud phase and spray and obtain the best effect of downgrading, and makes the plant height of sunflower be reduced to 66cm (100ppm paclobutrazol) or 43cm (3000ppm B from 106cm
9).Simultaneously, B
9The dwarfing effect greater than paclobutrazol.This shows,, can control the height of plant effectively by handling sunflower at suitable developmental stage with suitable dwarfing agent.Experiment learns that this method for stunting mainly is the internode distance that has shortened sunflower.
Plant height after table 2 different phase is handled
| Handle | Plant height (cm) | Handle | Plant height (cm) |
| Contrast | 106 | Contrast | 106 |
| The paclobutrazol seed soaking | 96 | B 9Seed soaking | 87 |
| Paclobutrazol, first pair of leaf period sprays | 93 | B 9, first pair of leaf period sprays | 82 |
| Paclobutrazol, the apparent flower bud phase sprays | 90 | B 9, the apparent flower bud phase sprays | 80 |
| Paclobutrazol ,+the first pair of leaf period of soaking seed sprays | 74 | B 9,+the first pair of leaf period of soaking seed sprays | 58 |
| Paclobutrazol ,+the first pair of leaf period of soaking seed spray+show the flower bud phase and spray | 66 | B 9,+the first pair of leaf period of soaking seed sprays+shows the flower bud phase and spray | 43 |
Embodiment 4, dwarfing agent are to the influence of other proterties of plant
To test seed and be divided into two groups, and downgrade processing for one group, and plant according to a conventional method for one group, and observe and the record plant growth condition, the result shows: downgrade processing and made the sunflower late blooming 1-5 days; The stem girth increases 21-5%; The length of blade and width increase 10-50%; The floral disc of full-bloom stage and diameter fickle in love increase 5-30%; Branch increases; The inclination angle of floral disc of sunflower into diminishes.But significant change does not take place in the grown form of the number of blade of every strain, ligulate flower color, center color and flower etc.
Claims (7)
1, the dwarfing culture method of a kind of color certain herbaceous plants with big flowers is under the conventional cultivation management condition, selects at least a in the following processing:
1) soaks seed with dwarfing agent prior to seeding;
2) spray dwarfing agent at first pair of leaf period;
3) spray dwarfing agent in the apparent flower bud phase;
Described dwarfing agent is that concentration is that paclobutrazol solution or the concentration of 1-200ppm is the B of 1000-5000ppm
9Solution.
2, the dwarfing culture method of color certain herbaceous plants with big flowers according to claim 1 is characterized in that: the concentration of described paclobutrazol solution is 100-150ppm, described B
9The concentration of solution is 2000-3000ppm.
3, the dwarfing culture method of color certain herbaceous plants with big flowers according to claim 1 and 2 is characterized in that: reach first pair of leaf period prior to seeding and handle with dwarfing agent.
4, the dwarfing culture method of color certain herbaceous plants with big flowers according to claim 1 and 2 is characterized in that: reach prior to seeding and show the flower bud phase and handle with dwarfing agent.
5, the dwarfing culture method of color certain herbaceous plants with big flowers according to claim 1 and 2 is characterized in that: prior to seeding, first pair of leaf period and apparent flower bud phase three phases all handle with dwarfing agent.
6, the dwarfing culture method of color certain herbaceous plants with big flowers according to claim 1 and 2 is characterized in that: described seed soaking time is 4-24 hour.
7, the dwarfing culture method of color certain herbaceous plants with big flowers according to claim 6 is characterized in that: described seed soaking time is 10 hours.
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| CN 200410062738 CN1717976A (en) | 2004-07-08 | 2004-07-08 | The dwarfing culture method of color certain herbaceous plants with big flowers |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102511301A (en) * | 2012-01-16 | 2012-06-27 | 浙江省萧山棉麻研究所 | Cultivation method for dwarf type curcuma alismatifolia |
| CN112119845A (en) * | 2020-09-28 | 2020-12-25 | 马鞍山源之美农业科技有限公司 | Seedling raising process for vegetable seeds |
-
2004
- 2004-07-08 CN CN 200410062738 patent/CN1717976A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102511301A (en) * | 2012-01-16 | 2012-06-27 | 浙江省萧山棉麻研究所 | Cultivation method for dwarf type curcuma alismatifolia |
| CN112119845A (en) * | 2020-09-28 | 2020-12-25 | 马鞍山源之美农业科技有限公司 | Seedling raising process for vegetable seeds |
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