CN106941811A - A kind of method for shortening rice paddy seed rest period, promoting it to germinate - Google Patents
A kind of method for shortening rice paddy seed rest period, promoting it to germinate Download PDFInfo
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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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Abstract
The invention discloses a kind of method for shortening rice paddy seed rest period, promoting it to germinate, it is related to seed planting technology field, select first the ripe phase it is different the production of indica type, round-grained rice type is upper or scientific research on the rice paddy seed that uses, conventional rice seed germination method is used to it, then the rice paddy seed with different hibernation features is filtered out, the seed with hibernation feature is subjected to vernalization under different vernalization environment again, the experimental data for promoting percentage of seedgermination to improve is obtained.The present invention is used as experimental subjects from different rice paddy seed of ripe phase, pass through conventional rice seed germination method, filter out the rice paddy seed with different hibernation features, experiment below is conducive to simplify progress, the rice paddy seed with different hibernation features is handled by the vernalization of different germination conditions again, the germination percentage of rice paddy seed under each group of experimental situation is obtained, is derived from promoting germination saving of labor, saves this best approach, optimal creation data is provided for the producer.
Description
Technical field
Shorten rice paddy seed rest period the present invention relates to vegetable seeds planting technology field, more particularly to one kind, promote it
The method of germination.
Background technology
Seed is one of most important means of production of agricultural production, and the crop seeds just harvested from field are not usually because have
There is completion physiology after-ripening or plant the reasons such as skin ventilating permeable is bad, exist even if showing that the suitable seed of condition is not also sprouted
As i.e. dormancy.Paddy rice is a kind of important cereal crops, by different methods can be classified as long-grained nonglutinous rice and japonica rice, early rice and in
Late rice etc..Different types of rice paddy seed has dormancy to some extent.There is research to think the round-grained rice of early Xian and extremely early mature
Rice is almost without rest period, and middle-late ripening variety rest period is longer.Rice harves is too early, maturity is poor or maturation during temperature is low all may be used
Extend seed dormancy phase.
The dormancy of seed is a kind of adaptation to natural environment, at the same can be reduced before and after rice harvest it is unnecessary
Sprout damage and slow down the aging speed between storage rice.But the dormancy of seed rice can also be brought to production, scientific research sometimes
Trouble, for example sometimes for the climate difference using south and north in breeding, is sent to south by the seed of north harvest and plants a generation again
(title south numerous added-generation), but now seed may also be in rest period, difference of often not emerging or emerge, stops so being accomplished by breaking it
Sleep, the seed in " being sunk into sleep " is waken up.
Break seed dormancy at present, the research for promoting it to germinate is more, and conventional method mainly has following several：1) shine
Kind；2) shell；3) Temperature Treatment；4) chemical reagent；5) hormone or growth regulator.The treatment temperature being related in every kind of method
Just, the standard that the species of chemical reagent or growth regulator, concentration and treatment time neither one are fixed, raw elder can not slap
Hold.Even if in addition, having related document report there is provided the rice varieties of data are on the low side, without representativeness.
The content of the invention
The problem to be solved in the present invention is to provide a kind of method for shortening seed dormancy phase, promoting it to germinate, and the method is set
Put different experimental situations and promote rice seed germination, and on this basis, obtain the experiment that Germination Percentage of Rice is improved
Data, optimal creation data is provided for the producer.Therefore, now proposing following technical scheme：
A kind of method for shortening rice paddy seed rest period, promoting it to germinate, will have light sleep or moderate dormancy first
Or the rice paddy seed of strong hibernation feature soaks 20~30 hours in bactericidal agent respectively, then respectively in clear water seed soaking 20~
30 hours, all kinds of rice paddy seeds were placed in vernalization environment and carry out vernalization by flowing water after rinsing, and the vernalization environment is high temperature vernalization
Environment, low-temperature germination environment, hydrogen peroxide vernalization environment, potassium nitrate vernalization environment, potassium dihydrogen phosphate vernalization environment, kinetin vernalization
Environment, 2,4- dichlorphenoxyacetic acid vernalization environment, abscisic acid vernalization environment, GA3Vernalization environment, spermine vernalization environment and rape
Rice paddy seed, is then placed in 28-30 DEG C of incubator by least one in plain lactone vernalization environment again, keeps the dark training of moistening
Support 7~8 days.
Further improvement of these options, the rice paddy seed after flowing water is rinsed is placed in 50 DEG C of water-baths or 40 DEG C~50
Processing 0.5 hour~3 hours or the rice paddy seed after flowing water is rinsed are placed in 4 DEG C of refrigerators and handle 12 hours~24 in DEG C warm water
Hour, uniformly it is laid on the filter paper of moistening or gauze, then be placed in light culture 7~8 days in 28~30 DEG C of incubator.
Further improvement of these options, the rice paddy seed after flowing water is rinsed uniformly is laid on containing 1%~10% dioxygen
On the filter paper or gauze of the moistening of water, be placed in 28~30 DEG C of incubator light culture after 6 hours~24 hours flowing water rinse dry
Only, then it is placed in 28~30 DEG C of incubator and keeps moistening light culture 7~8 days.
Further improvement of these options, the rice paddy seed after flowing water is rinsed uniformly is laid on containing 0.1%~0.4% nitre
On the filter paper or gauze of the moistening of sour potassium, light culture in 28~30 DEG C of incubator is placed in, same concentration is supplemented during culture in time
Potassium nitrate solution, keep moistening culture 7~8 days.
Further improvement of these options, the rice paddy seed after flowing water is rinsed uniformly is laid on containing 0.05%~0.4%
On the filter paper or gauze of the moistening of potassium dihydrogen phosphate, light culture in 28~30 DEG C of incubator is placed in, is supplemented in time during culture
The solution of respective concentration, keeps moistening culture 7~8 days.
Further improvement of these options, the rice paddy seed after flowing water is rinsed uniformly is laid on containing 0.1mgL-1~
0.5mg·L-1Kinetin or 0.1mgL-1~0.5mgL-12,4- dichlorphenoxyacetic acids or 0.2mgL-1Abscisic acid is moistened
Filter paper or gauze on, be placed in light culture in 28~30 DEG C of incubator, during culture in time supplement respective concentration solution, protect
Hold moistening culture 7~8 days.
Further improvement of these options, the rice paddy seed after flowing water is rinsed uniformly is laid on containing 0.005mgL-1~
0.1mg·L-1GA3On the filter paper or gauze of moistening, light culture in 28~30 DEG C of incubator is placed in, is supplemented in time during culture
The solution of respective concentration, keeps moistening culture 7~8 days.
Further improvement of these options, the rice paddy seed after flowing water is rinsed uniformly is laid on containing 10-3mol·L-1~
10-4mol·L-1Spermine or 10-5mol·L-1~10-6mol·L-1On the filter paper or gauze of the moistening of brassinosteroid, 28 are placed in
Light culture in~30 DEG C of incubator, supplements the solution of respective concentration in time during culture, keep moistening culture 7~8 days.
Further improvement of these options, paddy rice of the screening with light sleep, moderate dormancy and strong hibernation feature
The screening technique of seed comprises the following steps：
(1) rice paddy seed for selecting the ripe phase different, which is placed in freezer or 4 DEG C of refrigerators, preserves；
(2) seed of (1) is soaked seed 24 hours with bactericidal agent, changes water 1 time 6 hours daytimes, after rear flowing water is rinsed well,
Seed clear water is soaked 24 hours again, water was during which changed every 6 hours 1 time, then seed is uniformly laid on to the filter paper or yarn of moistening
On cloth, light culture in 28~30 DEG C of incubator is placed in；
(3) timing statistics germinative number, stopping counting in 7~8 days daily, calculates germination percentage, and germination percentage is nothing more than 80%
Dormant trait, is light sleep between 50%~80%, and 30%~50% is moderate dormancy, and 5%~30% is strong dormancy, 5% with
It is extremely strong dormancy down, then rice paddy seed of the screening with light sleep, moderate dormancy and strong hibernation feature is used as experiment pair
As.
Further improvement of these options, the bactericidal agent is the carbendazim and water of 80% wettable powder according to 1：
The aqueous solution of 5000 ratio uniform mixing.
Compared with prior art, the beneficial effects of the present invention are：
(1) rice paddy seed different from the ripe phase of the invention passes through conventional rice seed germination side as experimental subjects
Method, filters out the rice paddy seed with different hibernation features, and the rice paddy seed without hibernation feature is got rid of, by sample number
According to diminution, the experiment for being conducive to below, which simplifies, to be carried out, then by the rice paddy seed with different hibernation features by high temperature, low temperature,
Chemical reagent (hydrogen peroxide, potassium nitrate and potassium dihydrogen phosphate) and hormone or growth regulator (2,4- dichlorphenoxyacetic acids；Come off
Acid；Kinetin；GA3；Spermine；Brassinosteroid) etc. the different vernalization environment of simulation vernalization processing, rice paddy seed can be normal
Germination percentage under the more general vernalization environment of germination percentage of germination and rice paddy seed is high, and on this basis, relatively each group
Germination Percentage of Rice under experimental situation, can obtain the best approach for promoting germination saving of labor, saving this, be provided for the producer
Optimal creation data.
(2) the rice paddy seed species that the present invention is selected is various, sample data is had bigger representativeness, so that real
Test data also more accurate, and prior art, tested both for same rice paddy seed, such data are not suitable for big
Area is used, and is only merely to be adapted to promote a kind of germinating method of rice paddy seed.
(3) present invention will carry out bactericidal agent and disinfect before all seeds are tested, it is to avoid other things
The influence of confrontation experimental result, makes experimental data more accurate.
Embodiment
To be easy to understand technological means, creation characteristic, reached purpose and effect of the invention realized, with reference to
Embodiment, is expanded on further the present invention.
The species of selected rice paddy seed is divided into Gan prosperous 203；Mound two excellent 268；Jinyou 458；In praise early 17 (above kinds
It is precocity)；Double osmanthus 1；Huang Huazhan, southern round-grained rice 9108；Raise round-grained rice 4227；In spend 11；Force fortune round-grained rice 27；Soviet Union's round-grained rice 9；Normal agriculture round-grained rice 89；South
Round-grained rice 46；Huaihe River round-grained rice 14；Huaihe River round-grained rice 53；Southern round-grained rice 41 (above kind ripe in being or Mid-late ripening)；Bactericidal agent used is 80% wettable
The carbendazim and water of pulvis are according to 1：The aqueous solution of 5000 ratio uniform mixing.
It is a kind of shorten rice paddy seed rest period, promote its germinate method, filter out first with light sleep characteristic, in
The rice paddy seed of hibernation feature and strong hibernation feature is spent, then seed is placed under different vernalization environment and carries out vernalization, its
The screening technique of middle seed comprises the following steps：
(1) select above-mentioned rice paddy seed to be placed in freezer or 4 DEG C of refrigerators to preserve；
(2) seed of (1) is soaked seed 24 hours with the bactericidal agent, changes water 1 time 6 hours daytimes, rear flowing water rinses dry
After net, then by seed clear water immersion 24 hours, water during which changed every 6 hours 1 time, then seed is uniformly laid on to the filter paper of moistening
Or on gauze, it is placed in light culture in 28~30 DEG C of incubator；
(3) timing statistics germinative number, stopping counting in 7~8 days daily, calculates germination percentage, and germination percentage is nothing more than 80%
Dormant trait, is light sleep between 50%~80%, and 30%~50% is moderate dormancy, and 5%~30% is strong dormancy, 5% with
It is extremely strong dormancy down, then screens the rice paddy seed with hibernation feature as shown in table 1；
Table 1 has the screening of the rice paddy seed of hibernation feature
The above-mentioned rice paddy seed with light sleep, moderate dormancy and strong hibernation feature of screening, in different vernalization
Under environment, vernalization experiment is carried out.
Embodiment 1
It is experiment that the part of screening in (3) is had into the rice paddy seed of light sleep, moderate dormancy and strong hibernation feature
Object, is soaked seed 24 hours, seed is placed in 50 DEG C of water-baths or 40 DEG C~50 DEG C temperature by Seed soaking after 24 hours with bactericidal agent
Handle 0.5 hour~3 hours, be uniformly laid on the filter paper of moistening or gauze in water, then be placed in 28~30 DEG C of incubator dark
Culture 7~8 days, as shown in table 2, Germination Percentage of Rice is all more than 80% for Germination Percentage of Rice.
The germination percentage of the lower rice paddy seed with hibernation feature of 2 50 DEG C of pretreatments of table
Embodiment 2
It is experiment that the part of screening in (3) is had into the rice paddy seed of light sleep, moderate dormancy and strong hibernation feature
Object, is soaked seed 24 hours with bactericidal agent, and it is small that seed is placed in processing 12 hours~24 in 4 DEG C of refrigerators by Seed soaking after 24 hours
When, uniformly it is laid on the filter paper of moistening or gauze, then be placed in light culture 7~8 days in 28~30 DEG C of incubator, rice paddy seed hair
As shown in table 3, Germination Percentage of Rice is all more than 83% for bud rate.
The germination percentage of rice paddy seed with hibernation feature under 34 DEG C of Cold pretreatments of table
Embodiment 3
It is experiment that the part of screening in (3) is had into the rice paddy seed of light sleep, moderate dormancy and strong hibernation feature
Object, is soaked seed 24 hours, seed is uniformly laid on containing the wet of 1%~10% hydrogen peroxide by Seed soaking after 24 hours with bactericidal agent
On the filter paper or gauze of profit, be placed in 28~30 DEG C of incubator light culture after 6 hours~24 hours flowing water rinse well, then put
Moistening light culture is kept in 28~30 DEG C of incubator 7~8 days, the Germination Percentage of Rice such as institute of table 4, different types of paddy rice
The germination percentage of seed is more than 83%.
The germination percentage of rice paddy seed with hibernation feature under the dioxygen water process of table 4
Embodiment 4
The part of screening in (3) had into light sleep, the rice paddy seed of moderate hibernation feature is experimental subjects, with sterilization
Seed is uniformly laid on the filter paper of the moistening containing 0.1%~0.4% potassium nitrate by Medicament soaked seed 24 hours, Seed soaking after 24 hours
Or on gauze, light culture in 28~30 DEG C of incubator is placed in, supplement, with the potassium nitrate solution of concentration, is kept in time during culture
Moistening culture 7~8 days, Germination Percentage of Rice as shown in table 5, the germination percentage of different types of rice paddy seed 82% with
On.
The germination percentage of the lower rice paddy seed with hibernation feature of the potassium nitrate of table 5 processing
Embodiment 5
The part of screening in (3) had into light sleep, the rice paddy seed of moderate hibernation feature is experimental subjects, with sterilization
Seed is uniformly laid on the moistening containing 0.05%~0.4% potassium dihydrogen phosphate by Medicament soaked seed 24 hours, Seed soaking after 24 hours
Filter paper or gauze on, be placed in light culture in 28~30 DEG C of incubator, during culture in time supplement respective concentration solution, protect
Hold moistening culture 7~8 days, Germination Percentage of Rice as shown in table 6, the germination percentage of different types of rice paddy seed 83% with
On.
The germination percentage of the lower rice paddy seed with hibernation feature of the potassium dihydrogen phosphate of table 6 processing
Embodiment 6
It is experiment that the part of screening in (3) is had into the rice paddy seed of light sleep, moderate dormancy and strong hibernation feature
Object, is soaked seed 24 hours, seed is uniformly laid on containing 0.1mgL by Seed soaking after 24 hours with bactericidal agent-1~0.5mg
L-1Kinetin KT or 0.1mgL-1~0.5mgL-12,4- dichlorphenoxyacetic acids (2,4-D) or 0.2mgL-1Abscisic acid
(ABA) on the filter paper or gauze of moistening, light culture in 28~30 DEG C of incubator is placed in, supplement is corresponding dense in time during culture
The solution of degree, keeps moistening culture 7~8 days, Germination Percentage of Rice is as shown in table 7, the germination of different types of rice paddy seed
Rate is more than 80%.
The kinetin of table 7 or 2,4- dichlorphenoxyacetic acid or abscisic acid handle down the rice paddy seed with hibernation feature and sent out respectively
Bud rate
Embodiment 7
The part of screening in (3) is had to the paddy rice of the hibernation feature of light sleep, moderate dormancy and strong hibernation feature
Seed is experimental subjects, is soaked seed 24 hours with bactericidal agent, seed is uniformly laid on containing 0.005mg by Seed soaking after 24 hours
L-1~0.1mgL-1GA3Moistening filter paper or gauze on, be placed in light culture in 28~30 DEG C of incubator, during culture and
When supplement respective concentration solution, keep moistening culture 7~8 days, Germination Percentage of Rice as shown in table 8, different types of water
The germination percentage of rice is all more than 80%.
The GA of table 83The germination percentage of the lower rice paddy seed with hibernation feature of processing
Embodiment 8
The part of screening in (3) is had to the paddy rice of the hibernation feature of light sleep, moderate dormancy and strong hibernation feature
Seed is experimental subjects, is soaked seed 24 hours with bactericidal agent, seed is uniformly laid on containing 10 by Seed soaking after 24 hours-3mol·
L-1~10-4mol·L-1Spermine or 10-5mol·L-1~10-6mol·L-1On the filter paper or gauze of the moistening of brassinosteroid, put
The light culture in 28~30 DEG C of incubator, supplements the solution of respective concentration in time during culture, keep moistening culture 7~8 days,
As shown in table 9, the germination percentage of different types of rice paddy seed is more than 80% for Germination Percentage of Rice.
The spermine of table 9 and brassinosteroid handle down the germination percentage of the rice paddy seed with hibernation feature respectively
Embodiment 9
By the rice paddy seed of the hibernation feature with light sleep, moderate dormancy and strong hibernation feature of screening in (3)
For subjects, soaked seed 24 hours with bactericidal agent, Seed soaking will remove the seed of shell by hand and not go after 24 hours, respectively
The seed of shell is uniformly laid on the filter paper of moistening or gauze, is placed in light culture 7~8 days in 28~30 DEG C of incubator, is during which protected
Moistening is held, the germination percentage of seed is as shown in table 10.The seed shelled is compared with unhulled seed, because improving the seed that shells
Ventilating permeable and break seed dormancy, promote its germination percentage.
Table 10 shells influence of the processing to the germination percentage of the rice paddy seed with hibernation feature
Embodiment 1-8 simulations are all different vernalization environment, and rest period different seed is entered in this vernalization environment
Row vernalization, the rice paddy seed of each type all correspond to an optimal vernalization environment.The Xian different from the ripe phase of the invention,
Japonica rice seed is as experimental subjects, by conventional rice seed germination method, and filtering out difference has hibernation feature
Rice paddy seed, the rice paddy seed without hibernation feature is got rid of, sample data is reduced, and is conducive to experiment below to simplify
Carry out, then the rice paddy seed with hibernation feature is passed through into high temperature, low temperature, chemical reagent (hydrogen peroxide, potassium nitrate and biphosphate
Potassium) and hormone or growth regulator (2,4- dichlorphenoxyacetic acids；Abscisic acid；Kinetin；Gibberellin；Spermine；Brassinosteroid)
Deng the vernalization processing of the different germination conditions of simulation, every kind of vernalization environment is with the reason for handling of shelling, improving seed
Ventilating permeable and broken seed dormancy, promote its dormancy, obtain under each group of vernalization environment, rice paddy seed can normally be sent out
Germination percentage under the more general vernalization environment of the germination percentage of bud and rice paddy seed is high, and on this basis, relatively each group real
The Germination Percentage of Rice tested under environment, can obtain the best approach for promoting germination saving of labor, saving this, be provided most for the producer
Good creation data.
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above
Change, modification will all fall in scope of the presently claimed invention.
Claims (10)
1. a kind of method for shortening rice paddy seed rest period, promoting it to germinate, it is characterised in that：First will have light sleep or
The rice paddy seed of moderate dormancy or strong hibernation feature soaks 20~30 hours in bactericidal agent respectively, then respectively in clear water
All kinds of rice paddy seeds are placed in vernalization environment and carry out vernalization by seed soaking 20~30 hours, flowing water after rinsing, and the vernalization environment is
High temperature vernalization environment, low-temperature germination environment, hydrogen peroxide vernalization environment, potassium nitrate vernalization environment, potassium dihydrogen phosphate vernalization environment, swash
Therbligs vernalization environment, 2,4- dichlorphenoxyacetic acid vernalization environment, abscisic acid vernalization environment, GA3Vernalization environment, spermine vernalization environment
And at least one in brassinosteroid vernalization environment, then rice paddy seed is placed in 28~30 DEG C of incubator again, protected
Hold moistening light culture 7~8 days.
2. according to a kind of shortening rice paddy seed rest period described in claim 1, the method for promoting it to germinate, its feature exists
In：Rice paddy seed after flowing water is rinsed be placed in 50 DEG C of water-baths or 40 DEG C~50 DEG C warm water handle 0.5 hour~3 hours or
Rice paddy seed after flowing water is rinsed is placed in 4 DEG C of refrigerators and handled 12 hours~24 hours, is uniformly laid on the filter paper or yarn of moistening
On cloth, then it is placed in light culture 7~8 days in 28~30 DEG C of incubator.
3. a kind of method for shortening seed dormancy phase, promoting it to germinate according to claim 1, it is characterised in that：Will stream
Rice paddy seed after water is rinsed uniformly is laid on the filter paper of the moistening containing 1%~10% hydrogen peroxide or gauze, is placed in 28~30 DEG C
Incubator in light culture after 6 hours~24 hours flowing water rinse well, then be placed in 28~30 DEG C of incubator keep moistening
Light culture 7~8 days.
4. a kind of method for shortening seed dormancy phase, promoting it to germinate according to claim 1, it is characterised in that：Will stream
Rice paddy seed after water is rinsed uniformly is laid on the filter paper of the moistening containing 0.1%~0.4% potassium nitrate solution or gauze, is placed in 28
Light culture in~30 DEG C of incubator, supplement, with the potassium nitrate solution of concentration, keeps moistening culture 7~8 days in time during culture.
5. a kind of method for shortening seed dormancy phase, promoting it to germinate according to claim 1, it is characterised in that：Will stream
Rice paddy seed after water is rinsed uniformly is laid on the filter paper of the moistening containing 0.05%~0.4% potassium dihydrogen phosphate or gauze,
Light culture in 28~30 DEG C of incubator is placed in, the solution of respective concentration is supplemented during culture in time, moistening culture 7~8 is kept
My god.
6. a kind of method for shortening seed dormancy phase, promoting it to germinate according to claim 1, it is characterised in that：Will stream
Rice paddy seed after water is rinsed uniformly is laid on containing 0.1mgL-1~0.5mgL-1Kinetin or 0.1mgL-1~0.5mgL-1
2,4- dichlorphenoxyacetic acids moistening or 0.2mgL-1On the filter paper or gauze of abscisic acid, in the incubator for being placed in 28~30 DEG C
Light culture, supplements the solution of respective concentration in time during culture, keep moistening culture 7~8 days.
7. a kind of method for shortening seed dormancy phase, promoting it to germinate according to claim 1, it is characterised in that：Will stream
Rice paddy seed after water is rinsed uniformly is laid on containing 0.005mgL-1~0.1mgL-1GA3On the filter paper or gauze of moistening, it is placed in
Light culture in 28~30 DEG C of incubator, supplements the solution of respective concentration in time during culture, keep moistening culture 7~8 days.
8. a kind of method for shortening seed dormancy phase, promoting it to germinate according to claim 1, it is characterised in that：Will stream
Rice paddy seed after water is rinsed uniformly is laid on containing 10-3mol·L-1~10-4mol·L-1Spermine or 10-5mol·L-1~10- 6mol·L-1On the filter paper or gauze of the moistening of brassinosteroid, light culture in 28~30 DEG C of incubator is placed in, during culture
The solution of supplement respective concentration, keeps moistening culture 7~8 days in time.
9. shortening rice paddy seed rest period according to claim any one of 1-8, the method for promoting it to germinate, its feature exist
In：The screening technique of rice paddy seed of the screening with light sleep, moderate dormancy and strong hibernation feature comprises the following steps：
(1) rice paddy seed for selecting the ripe phase different, which is placed in freezer or 4 DEG C of refrigerators, preserves；
(2) seed of (1) is soaked seed 24 hours with bactericidal agent, changes water 1 time 6 hours daytimes, after rear flowing water is rinsed well, then will
Seed clear water soaks 24 hours, water was during which changed every 6 hours 1 time, then seed is uniformly laid on the filter paper of moistening or gauze,
It is placed in light culture in 28~30 DEG C of incubator；
(3) timing statistics germinative number, stopping counting in 7~8 days daily, calculates germination percentage, and germination percentage is without dormancy more than 80%
Property, it is light sleep between 50%~80%, 30%~50% is moderate dormancy, 5%~30% is strong dormancy, less than 5% is
Extremely strong dormancy, the rice paddy seed that then screening has light sleep, moderate dormancy and strong hibernation feature is used as experimental subjects.
10. a kind of method for shortening rice paddy seed rest period, promoting it to germinate according to claim 9, it is characterised in that：
The bactericidal agent is the carbendazim and water of 80% wettable powder according to 1：The aqueous solution of 5000 ratio uniform mixing.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107258144A (en) * | 2017-07-26 | 2017-10-20 | 四川农业大学 | A kind of method for improving feeding coix seed germination speed |
| CN107896856A (en) * | 2017-11-13 | 2018-04-13 | 武汉市农业科学院 | The implantation methods of potassium content in a kind of raising balsam pear |
| CN109673429A (en) * | 2017-09-26 | 2019-04-26 | 安徽徽大农业有限公司 | A kind of sorghum seed selection environmentally protective cultural method of high yield |
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| CN107258144A (en) * | 2017-07-26 | 2017-10-20 | 四川农业大学 | A kind of method for improving feeding coix seed germination speed |
| CN109673429A (en) * | 2017-09-26 | 2019-04-26 | 安徽徽大农业有限公司 | A kind of sorghum seed selection environmentally protective cultural method of high yield |
| CN107896856A (en) * | 2017-11-13 | 2018-04-13 | 武汉市农业科学院 | The implantation methods of potassium content in a kind of raising balsam pear |
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