CN107980517A - The method for improving cold district sweet potato potato seed emergence rate and growth potential - Google Patents
The method for improving cold district sweet potato potato seed emergence rate and growth potential Download PDFInfo
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- CN107980517A CN107980517A CN201711169915.5A CN201711169915A CN107980517A CN 107980517 A CN107980517 A CN 107980517A CN 201711169915 A CN201711169915 A CN 201711169915A CN 107980517 A CN107980517 A CN 107980517A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
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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
- 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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Abstract
The invention discloses a kind of method for improving cold district sweet potato potato seed emergence rate and growth potential, belongs to sweet potato breeding control technique field.The method is handled potato seed in 30~38 DEG C of high-temperature process, then 25 DEG C of temperature control using electric heating temperature control seedbed, while using cytosintetidemycin aqua to carry out dispenser to potato seed in a manner of hole irrigation.The present invention uses high temperature and/or growth promotion chemicals treatment sweet potato potato seed, rudiment quantity is more and neat, potato seedling growth is healthy and strong, emergence rate and single plant rudiment number are all remarkably higher than control, substantially reduce sweet potato potato seed sprouting time, begin seedling stage and neat seedling stage shifts to an earlier date 10d or so than normal-temperature breeding, while significantly improves thick stem, climing length, chlorophyll content.Present invention can be implemented in the numerous seedling of Low Temperature in Spring period seeding, particularly the cold district early spring such as Inner Mongol, Xinjiang to do sth. in advance nursery, propagation, the sprawling of sweet potato pest and disease damage caused by avoiding the long distance transportation of potato seedling growth.
Description
Technical field
The present invention relates to a kind of method for improving cold district sweet potato potato seed emergence rate and growth potential, belongs to sweet potato breeding and adjusts
Control technical field.
Background technology
Sweet potato is grain important in the world, feed and bio-energy crop in China, because its is adaptable, impoverishment tolerant, drought-resistant
Planted extensively in all parts of the country Deng good characteristic.Sweet potato is asexually propagated crop, because sweet potato storage cellar input cost is higher, no matter
It is that sweet potato plantation enterprise or breeding R＆D institution all need to allocate and transport sweet potato potato seed or potato seedling growth at a distance every year, easily causes root rot etc.
The disease such as soil-borne disease and sweet potato SPVD is spread.
The especially sweet potato producing region such as Inner Mongol, Xinjiang, spring temperature is relatively low, Inner Mongol maximum temperature mid-March 10 DEG C or so,
Xinjiang is at 5 DEG C or so, and potato seed rudiment is slow, quantity is few, and required potato seedling growth basic need is allocated and transported at a distance.Temperature is to influence potato wedge rudiment
One of most important factor, research shows, more than 35 DEG C, the increase of potato wedge itself disease-resistance substance, anti-black spot and anti-sweet potato are sick
The ability of viral disease improves.The good traditional font system imperfection of China sweet potato at present, potato seed quality testing is still unsound with monitoring system, does not advise
Introducing a fine variety for model easily causes virus evil diffusion sprawling.
The content of the invention
To solve the problems, such as that cold district sweet potato potato seed emergence rate is low, rudiment number is few, seedling quantity is few, the present invention provides one
The method that kind improves cold district sweet potato potato seed emergence rate and growth potential.
Technical scheme is as follows：
The method for improving cold district sweet potato potato seed emergence rate and growth potential, high temperature at 30~38 DEG C is placed in by sweet potato potato seed
Processing, then potato seed is handled controlled at 25 DEG C.
As an improvement, using electric heating temperature control seedbed, it is 30~38 DEG C to control nursery bed temperature, and sweet potato potato seed is handled,
Nursery bed temperature is controlled to be handled for 25 DEG C potato seed again.
As a further improvement, the high-temperature process time is 3d.
As further improving, sweet potato potato seed is placed in high-temperature process at 30~38 DEG C, then controlled at 25 DEG C
Potato seed is handled, while uses cytosintetidemycin aqua to carry out dispenser to potato seed in a manner of hole irrigation.
Preferably, the concentration of the cytosintetidemycin aqua is 2%.
Improved as further, sweet potato potato seed is placed in high-temperature process 3d at 30~38 DEG C, then controlled at 25 DEG C
Potato seed is handled, while dispenser is carried out to potato seed in a manner of hole irrigation by 2% cytosintetidemycin aqua once in a week, continuously
Dispenser 3 weeks.
Compared with prior art, the present invention has the following advantages：
(1) high-temperature process sweet potato potato seed is used, hence it is evident that shorten sweet potato potato seed sprouting time, seedling stage beginning and neat seedling stage compare
Control group shifts to an earlier date 10d or so, while rudiment quantity is more and neat, and potato seedling growth is healthy and strong；
(2) using high temperature and the collaboration processing sweet potato potato seed of growth promotion medicament, rudiment number, stem be thick, climing length, chlorophyll content are equal
Significantly improve；
(3) present invention can be implemented in the numerous seedling of Low Temperature in Spring period seeding, particularly the cold district early spring such as Inner Mongol, Xinjiang to carry
Early nursery, propagation, the sprawling of sweet potato pest and disease damage caused by reducing the long distance transportation of potato seedling growth.
Brief description of the drawings
Fig. 1 is influence of the Temperature Treatment to sweet potato emergence rate, and rudiment number be averaged rudiment number for single potato wedge, notes：**
Represent notable in 1% level difference；
Fig. 2 is influence of the high-temperature process to growth of sweet potato gesture, A：Influence of the high-temperature process to rudiment number；B：High-temperature process pair
The influence of climing length；C：The high-temperature process influence thick to stem, D：Influence of the high-temperature process to chlorophyll content, note：Small letter mother stock
Do not represent notable in 5% level difference.
Fig. 3 is the influence of high temperature and chemicals treatment to potato seed emergence rate and growth potential, A：High temperature and chemicals treatment are to emergence
The influence of rate；B：The influence of high temperature and chemicals treatment to rudiment number；C：The influence of high temperature and chemicals treatment to climing length；D：High temperature
The influence thick to stem with chemicals treatment；E：The influence of high temperature and chemicals treatment to chlorophyll content, note：Lowercase represents respectively
It is notable in 5% level difference.
Embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, below by accompanying drawings and embodiments, to this
Invention is further elaborated.However, it should be understood that specific embodiment described herein is only to explain the present invention, and
It is not used in and limits the scope of the invention.
Unless otherwise defined, the technology of all technical terms and scientific terminology used in the present invention belonging to the present invention
The normally understood implication of technical staff in field is identical.
Experimental method used is conventional method unless otherwise specified in following embodiments.In following embodiments
Material used, reagent etc., unless otherwise specified, commercially obtain.
Sweet potato variety is sweet potato variety Xu purple sweet potato 8 of Xuzhou Agriculture Science Inst., Xuhuai area, Jiangsu's selection and breeding.Experiment
The potato shape that material is derived from Xuzhou Agriculture Science Inst., Xuhuai area, Jiangsu's harvest is uniform, in the same size, weight 200g-250g
No. 8 potato wedges of Xu's purple sweet potato.
Medicament provided by the present invention is the medicine for promoting plant strain growth, strengthening crop immunity obtained by commercial sources
Agent.
Embodiment 1
1. sweet potato potato wedge rudiment highest tolerable temperature determines
Test and carried out in Xuzhou Sweetpotato Center's insect prevention greenhouse.Selection potato shape is uniform, in the same size, weight
No. 8 potato wedges of Xu's purple sweet potato of 200g-250g, the electric heating temperature control seedbed of setting different temperatures, seedbed temperature were neatly arranged in March 15
Degree is respectively set as 20 DEG C, 30 DEG C, 35 DEG C, 38 DEG C, 42 DEG C, 45 DEG C, wherein 20 DEG C are room temperature processing control, through remaining each temperature
After high-temperature process 3d, nursery bed temperature is adjusted to 25 DEG C.Every group of 10 pieces of processing potato wedge, sets 3 repetitions, counts potato wedge rudiment feelings
Condition, record begin seedling stage and neat seedling stage, determine the highest tolerable temperature that potato wedge is sprouted.Other management measures are the same as routine test management.
No. 8 potato wedges of Xu's purple sweet potato after 42 DEG C and above high-temperature process, not only cannot normal rudiment, potato wedge rots mostly；It is right
It is later according to seedling stage treatment group potato wedge beginning and neat seedling stage.30 DEG C of -38 DEG C of high-temperature process group rudiment quantity are more and neat, 10d or so
Potato wedge starts rudiment, and seedling stage beginning and neat seedling stage shift to an earlier date 10d or so than control respectively, and 25d or so is neat seedling, and potato seedling growth is healthy and strong, everywhere
Reason group emergence rate and rudiment number are without significant difference.
Fig. 1 is influence of the Temperature Treatment to sweet potato emergence rate.* represents notable in 1% level difference；Emergence rate=rudiment
Potato wedge number/seeding potato wedge number.Fig. 2 is influence of the Temperature Treatment to rudiment number and growth potential, and rudiment number is put down for single potato wedge
Equal rudiment number, in seeding 18 days, control group just started rudiment, and 30-38 DEG C of high-temperature process group rudiment is early and more, and potato seedling growth is good for
Strong, rudiment number, stem be thick, climing length and chlorophyll content are all remarkably higher than control (as shown in Figure 2), therefore selection is with 30-38 DEG C
The mode of reason potato seed 3d handles potato seed.
2. high temperature and the medicament influence germinating to sweet potato
Potato wedge is promoted to grow medicament (as shown in table 1), the place in a manner of hole irrigation respectively after 30-38 DEG C handles 3d with 10 kinds
Potato seed is managed, 10 pieces of potato wedges of every group of processing, set 3 repetitions, and clear water processing is control, is handled 1 time, continuous 3 weeks weekly.To difference
The germinating survey for the treatment of group.For Xu's purple sweet potato 8 after chemicals treatment, emergence rate, rudiment number, chlorophyll content are notable
Higher than control, otherness slightly influences stem no significant difference up to 5% level of signifiance, chemicals treatment.Different agents are to emergence rate
Influence without significant difference, but significant difference is influenced on chlorophyll content, wherein No. 7 cytosintetidemycin treatment group chlorophyll content highests
(as shown in Figure 3).
1 growth promotion medicament active ingredient of table and effect
3. sweet potato rudiment and the source of variation of growth potential change
The emergence rate of sweet potato, rudiment number, climing length, stem are thick, the temperature difference of chlorophyll content up to 1% level of signifiance,
It is to influence the principal element (table 2) of above index to illustrate temperature.The temperature x medicament effect highests of emergence rate, potato wedge is through 30-38 DEG C
After high temperature and chemicals treatment, emergence rate is significantly higher than room temperature control group and without chemicals treatment group, illustrates emergence rate by temperature x medicaments
Effect is higher.The temperature effect of thick, the climing length of rudiment number, stem is significantly higher than medicament and temperature x medicament effects, illustrates rudiment number
The thick and climing length of mesh, stem is mainly influenced by temperature height.The medicament effect highest of chlorophyll content, it is to influence leaf to illustrate chemicals treatment
The determinant of chlorophyll contents.This result of the test shows that high temperature bond chemicals treatment is remarkably improved sweet potato potato seed emergence rate, sprouts
Bud number, climing length and chlorophyll content (table 2).
The germinating variance analysis of 2 sweet potato of table (F values)
* represent that conspicuousness respectively reaches 95% and 99% confidential interval respectively with * *.T：Temperature, P：Medicament.
Comprehensive analysis, 30-38 DEG C of processing potato seed 3d, then weekly with 100mL2% cytosintetidemycin aqua root irrigation potato seeds
1 time, continuous 3 weeks.Seedling stage potato seed beginning and neat seedling stage shift to an earlier date 10d or so, germination percentage, rudiment than control after high temperature and chemicals treatment
Number significantly improves.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent substitution or improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (6)
1. improve the method for cold district sweet potato potato seed emergence rate and growth potential, it is characterised in that sweet potato potato seed is placed in 30~
High-temperature process at 38 DEG C, then potato seed is handled controlled at 25 DEG C.
2. according to the method described in claim 1, it is characterized in that, using electric heating temperature control seedbed, control nursery bed temperature for 30~
38 DEG C, sweet potato potato seed is handled, then control nursery bed temperature to be handled for 25 DEG C potato seed.
3. according to the method described in claim 2, it is characterized in that, the high-temperature process time is 3d.
4. method according to any one of claims 1 to 3, it is characterised in that sweet potato potato seed is placed in high temperature at 30~38 DEG C
Processing, then is handled potato seed controlled at 25 DEG C, at the same use cytosintetidemycin aqua in a manner of hole irrigation to potato seed into
Row dispenser.
5. according to the method described in claim 4, it is characterized in that, the concentration of the cytosintetidemycin aqua is 2%.
6. according to the method described in claim 4, it is characterized in that, sweet potato potato seed is placed in high-temperature process 3d at 30~38 DEG C,
Potato seed is handled controlled at 25 DEG C again, while once in a week by 2% cytosintetidemycin aqua in a manner of hole irrigation pair
Potato seed carries out dispenser, continuous dispenser 3 weeks.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711169915.5A CN107980517A (en) | 2017-11-22 | 2017-11-22 | The method for improving cold district sweet potato potato seed emergence rate and growth potential |
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| CN201711169915.5A CN107980517A (en) | 2017-11-22 | 2017-11-22 | The method for improving cold district sweet potato potato seed emergence rate and growth potential |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113875537A (en) * | 2021-11-04 | 2022-01-04 | 华南农业大学 | Method for promoting branches of cajuput trees by high-temperature treatment |
| CN115136769A (en) * | 2022-07-26 | 2022-10-04 | 石家庄市农林科学研究院 | Method for removing latent viruses from sweet potatoes |
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| CN102369829A (en) * | 2010-08-10 | 2012-03-14 | 中国科学院南京土壤研究所 | Method for raising seedlings of purple sweet potatoes |
| CN102613032A (en) * | 2012-04-06 | 2012-08-01 | 北京市农业技术推广站 | Seedling raising bed and seedling raising method for electric lighting greenhouse of sweet potatoes |
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| CN102369829A (en) * | 2010-08-10 | 2012-03-14 | 中国科学院南京土壤研究所 | Method for raising seedlings of purple sweet potatoes |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113875537A (en) * | 2021-11-04 | 2022-01-04 | 华南农业大学 | Method for promoting branches of cajuput trees by high-temperature treatment |
| CN113875537B (en) * | 2021-11-04 | 2022-05-13 | 华南农业大学 | Method for promoting branches of cajuput trees by high-temperature treatment |
| CN115136769A (en) * | 2022-07-26 | 2022-10-04 | 石家庄市农林科学研究院 | Method for removing latent viruses from sweet potatoes |
| CN115136769B (en) * | 2022-07-26 | 2024-03-12 | 石家庄市农林科学研究院 | Sweet potato latent virus removal method |
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