CN108739158A - Application and application process of the brassinosteroid in alleviating rice florescence High Temperature Stress - Google Patents
Application and application process of the brassinosteroid in alleviating rice florescence High Temperature Stress Download PDFInfo
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- CN108739158A CN108739158A CN201810384488.0A CN201810384488A CN108739158A CN 108739158 A CN108739158 A CN 108739158A CN 201810384488 A CN201810384488 A CN 201810384488A CN 108739158 A CN108739158 A CN 108739158A
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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
- A01G22/20—Cereals
- A01G22/22—Rice
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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
Application and application process of the brassinosteroid in alleviating rice florescence High Temperature Stress, belong to agriculture applied technology field.One aspect of the present invention provides application of the brassinosteroid in alleviating rice florescence High Temperature Stress, on the other hand provides application process of the brassinosteroid in alleviating rice florescence High Temperature Stress.The experiment proves that brassinosteroid is notable in the effect for improving paddy pollen fertility, therefore the pollen fertility of rice can be improved using brassinosteroid in the production process of field.This method is simple for process, can effectively improve the fertility of pollen in rice, is of great significance to the growth of rice High Temperature Stress.
Description
Technical field
The invention belongs to agriculture applied technology fields, and in particular to brassinosteroid is in alleviating rice florescence High Temperature Stress
Application and application process.
Background technology
Since the industrial revolution, due to a large amount of discharges of carbon dioxide and methane isothermal chamber gas, Global Temperature constantly rises
It is high.Under the overall situation of global warming, rice summer high temperature heat evil in China's frequently occurs, it has also become major limitation in Rice Production
One of factor.Studies show that, rice generative growth phase temperature is more than often 1 DEG C of optimum temperature, rice grain weight declines 1%, yield
It loses up to 10% or more.In the past 50 years, repeatedly great rice Climatic regionalization event occurs for China.Such as 2006, Sichuan-chongqing Region occurred
Especially big high temperature and drought disaster not seen once in a hundred years, leads to 25% or more the rice underproduction, locally even 50% or more the underproduction.Especially 2013
Year, there are the 30-40 days highest temperatures and is more than 35 DEG C of hot weather in middle and lower reach of Yangtze River most area, leads to current year rice yield
It drastically reduces, the setting percentage of rice varieties only has 20-30% in part, or even No kernels or seeds are gathered, as in a year of scarcity.Currently, many two-line hybrid rice combinations
" flowering asynchronism " phenomenon after paddy pollen mother cell meiophase meets with high temperature stress of parent material it is also relatively universal, from
And the production of hybrid seeds of hybrid paddy rice work is brought it is larger unfavorable.In short, Climatic regionalization has become the bottle for restricting rice high yield stable yields
Neck.
Rice reproductive stage is influenced to be significantly larger than vegetative growth phase by high temperature stress.Full heading time is that rice is most quick
The period of sense can cause Rice Anther dysplasia, pollen activity to decline, pollen germination rate in the case where encountering 35 DEG C of hot conditions
It is remarkably decreased with the pollen grain number on column cap.In addition, florescence high temperature also causes the machine of membranous system, photosynthetical system and antioxidant system
It can decline.By cell specific region active oxygen and its oxidative stress caused by removing system imbalance is considered as by high temperature sensitive
The early stage response that tissue generates.
Rice hot weather is coped with, breed breeding is primarily through and improves rice heat-resisting ability, it also can be by adjusting broadcasting
Phase improves rice plant heat-resisting ability, and rice sensitive reproduction period and high temperature stress high-incidence season is made to be staggered.In recent years, Rational Application
Plant growth regulator has become a kind of more convenient effective selection.Some researches show that, jasmonics can make rice grain husk the flowers are in blossom flower
Time advance；Ascorbic acid can be such that rice plant antioxidant enzyme activities in leaves significantly increases；Salicylic acid can be permeated by increasing
The content of Auto-regulator reduces injury of the high temperature to rice.But alleviate the method for high temperature stress about plant growth regulator
The rare application in practical agricultural production.
Brassinosteroid is a kind of novel plant sterols growth substance, be after auxin, gibberellin, the basic element of cell division,
The sixth-largest plant hormone after abscisic acid and ethylene.Because its physiological activity is high, plant handles through its low concentration and just can show
Go out apparent physiological effect.Brassinosteroid is promoting protein synthesis, raising proton pumping activity, enhancing oxygen scavenging activity, is prolonging
Slow organ senescence and raising resistance etc. have important adjustment effect, and a variety of undesirable elements can be effectively relieved and made to plant
At injury.In recent years, brassinosteroid is applied in various agricultural crop production, but there has been no in source rape element outside the Pass
Research report of the ester in terms of improving rice High Temperature Stress.Therefore, the possibility that brassinosteroid improves rice thermo-tolerance is specified
Physiological mechanism, inquiring into external source brassinosteroid method of application in the case where alleviating high temperature stress is very important.
Invention content
The technical problem to be solved by the present invention is to how alleviate environment stress of the rice florescence to high temperature.It is above-mentioned to solve
Technical problem, a kind of application that the present invention provides brassinosteroids in alleviating rice florescence High Temperature Stress and application process
Technical solution.
The brassinosteroid or the substance that the brassinosteroid is active constituent are inverse in alleviation rice florescence high temperature
Application in border.
The application, it is characterised in that the brassinosteroid or the substance that the brassinosteroid is active constituent are applied
With a concentration of 0.55 mg/L.
The application, it is characterised in that the brassinosteroid or the substance that the brassinosteroid is active constituent are applied
It it is paddy pollen mother cell meiophase with period.
The application, it is characterised in that the brassinosteroid or the brassinosteroid are the substance of active constituent
It is 3 times to spray number, is sprayed every 3 days 1 time.
The method of a kind of alleviation rice florescence High Temperature Stress, it is characterised in that include the following steps：
（1）In the substance that paddy pollen mother cell meiophase sprays brassinosteroid or brassinosteroid is active constituent；
（2）Spray a concentration of 0.55mg/L of brassinosteroid；
（3）The number for spraying brassinosteroid is 3 times, is sprayed 1 time every 3 days.
The fertility of paddy pollen can be obviously increased after the brassinosteroid processing rice of the application.At 38 DEG C of high temperature stress
Florescence rice is managed, Seed-Setting Percentage in Rice is 73.23% after brassinosteroid processing, is compareed compared with clear water, and setting percentage improves
58.47%。
The experiment proves that brassinosteroid is notable in the effect for improving paddy pollen fertility, therefore given birth in field
The pollen fertility of rice can be improved during production using brassinosteroid.This method is simple for process, can effectively improve water
The fertility of pollen in rice, is of great significance to the growth of rice High Temperature Stress.
Description of the drawings
Fig. 1 is the variation of Seed-Setting Percentage in Rice after the processing of brassinosteroid difference spraying concentration, different lowercase alphabets in Fig. 1
Show between different disposal in 0.05 horizontal upper significant difference.
Fig. 2 is the variation that brassinosteroid difference sprays Seed-Setting Percentage in Rice after period processing, different lowercase alphabets in Fig. 2
Show between different disposal in 0.05 horizontal upper significant difference.
Fig. 3 is the variation that brassinosteroid difference sprays Seed-Setting Percentage in Rice after number processing, different lowercase alphabets in Fig. 3
Show between different disposal in 0.05 horizontal upper significant difference.
Fig. 4 is that the influence that brassinosteroid cracks to Rice Anther is sprayed under high temperature stress, A in Fig. 4：HT-BR, high temperature spray
Apply brassinosteroid；B：HT-CK, the control of high temperature clear water；C：NT-BR, room temperature spray brassinosteroid；D：NT-CK, room temperature clear water
Control.
Fig. 5 is the influence for spraying brassinosteroid under high temperature stress and spending pollen activity to young fringe lower part grain husk, A in Fig. 5：HT-
BR, high temperature spray brassinosteroid；B：HT-CK, the control of high temperature clear water；C：NT-BR, room temperature spray brassinosteroid；D：NT-
CK, the control of room temperature clear water.
Fig. 6 is the influence for spraying brassinosteroid under high temperature stress and spending pollen activity to young fringe grain husk, HT-BR in Fig. 6：High temperature
Spray brassinosteroid；HT-CK：High temperature clear water compares；NT-BR：Room temperature sprays brassinosteroid；NT-CK：Room temperature clear water pair
According to.
Specific implementation mode
The present invention is further described in detail With reference to embodiment, the embodiment provided is only for explaining
The bright present invention, the range being not intended to be limiting of the invention.
Experimental method in following embodiments is unless otherwise specified conventional method.
The materials, reagents and the like used in the following examples is commercially available unless otherwise specified.
Brassinosteroid in following embodiments is Solarbio Products.
Rice in following embodiments（Oryza sativaL.）It is that yellow silk accounts for kind, which only attaches most importance to duplicate
Used in the related experiment of invention.
The influence of embodiment 1, brassinosteroid spraying concentration to Seed-Setting Percentage in Rice
In triplicate, the method for repeating experiment every time is as follows for experiment：
Step 1：Material prepares.Rice varieties for examination are Huang Sizhan.
Step 2：Seed cleaning and disinfection.Yellow silk is accounted for seed to carry out as steps described below successively：1. choose color and luster it is normal,
The rice paddy seed of full seed, neat and consistent, for 24 hours with 30% hypochlorite disinfectant；2. with aseptic water washing rice paddy seed 3-5 times
Afterwards, 48h is impregnated again with sterile water, obtain Disinfection in Rice seed.
Step 3：Growth of seedling.Rice paddy seed obtained by step 2 is placed in the plastic barrel equipped with sterilized soil（Long 22.0 cm
× wide 20 cm × high 23 cm）In, in temperature is 25 DEG C, intensity of illumination is 3000 Lx, periodicity of illumination is h on 14 h daytimes/10
It is cultivated under conditions of night.
Step 4：Chemicals treatment.In paddy pollen mother cell meiophase (leaf age：0.4~0), that brassinosteroid is dense
Degree is adjusted to 0.022 mg/L, 0.11 mg/L, 0.55 mg/L, 2.75 mg/L and 13.75 mg/L, is sprayed respectively to rice
It applies.It sprays within every 3 days once, applies altogether three times, be sprayed onto liquid every time until leaf natural slides.Each a concentration of processing,
Each processing sprays 6 plants of rice.
Step 5：High temperature stress processing.In rice anthesis（Tassel extracts pulvinus 2cm-5cm long out）, disk is transplanted rice seedlings immigration
Growth cabinet high-temperature process 5 days, high-temperature process is set as：0:00-7:00,31 DEG C；7:00-9:00,32.5 DEG C；9:00-14:
00,38 DEG C；14:00-16:00,36.5 DEG C；16:00-24:00,31 DEG C, relative humidity is 75%.
Step 6：The detection of Seed-Setting Percentage in Rice.After high-temperature process, statistics sprays the rape element of various concentration respectively
The Seed-Setting Percentage in Rice of lactone.
Step 7：Data analysis.Data processing, all experimental datas are carried out using 2007 softwares of Microsoft Excel
Statistical analysis SPSS 19.0 is handled, and significant difference analysis is carried out using Duncan ' s duncan's new multiple range methods.
Step 8：Brassinosteroid optimum concentration is screened.According to each sample setting percentage data that various concentration is handled, sieve
Select the best spraying concentration of brassinosteroid.As shown in Figure 1, the rice of 0.022 mg/L and the processing of 0.11 mg/L brassinosteroids
Setting percentage is 21.1% and 45.6%；0.55 mg/L, 2.75 mg/L, 13.75 mg/L processing Seed-Setting Percentage in Rice be respectively
75.6%, 79.3% and 82.1%, three's difference is not obvious.Accordingly, it is considered to which medicament use cost, sprays brassinosteroid most
Fit a concentration of 0.55mg/L.
Embodiment 2, brassinosteroid spray influence of the period to Seed-Setting Percentage in Rice
In triplicate, the method for repeating experiment every time is as follows for experiment：
Step 1-3：With the step 1-3 in embodiment 1.
Step 4：Chemicals treatment.By the brassinosteroid solution of 0.55 mg/L Rise's boot period sprays, when spraying
Phase is respectively：Floret differentiation phase (leaf age：2.0~1.6), Pistil And Stamen is differentiated to form phase (leaf age：1.5~0.8), pollen mother cell
Formation phase (leaf age：0.7~0.5), pollen mother cell meiosis (leaf age：0.4~0), pollen enriches completion phase (leaf age：
0~go out fringe).It was sprayed once, is applied altogether three times with every 3 days, be sprayed onto liquid every time until leaf natural slides.Each spraying period
It is handled for one, each processing sprays 6 plants of rice.
Step 5：High temperature stress processing.In rice anthesis（Tassel extracts pulvinus 2cm-5cm long out）, disk is transplanted rice seedlings immigration
Growth cabinet high-temperature process 5 days, high-temperature process is set as：0:00-7:00,31 DEG C；7:00-9:00,32.5 DEG C；9:00-14:
00,38 DEG C；14:00-16:00,36.5 DEG C；16:00-24:00,31 DEG C, relative humidity is 75%.
Step 6：The detection of Seed-Setting Percentage in Rice.Statistics difference sprays the Seed-Setting Percentage in Rice in period respectively.
Step 7：Data analysis.Data processing, all experimental data systems are carried out using Microsoft Excel2007 softwares
Meter analysis SPSS 19.0 is handled, and significant difference analysis is carried out using Duncan ' s duncan's new multiple range methods.
Step 8：The most in due course phase screening of brassinosteroid.According to each sample setting percentage data that different times are handled, sieve
Brassinosteroid is selected most preferably to spray period.As shown in Fig. 2, brassinosteroid is sprayed in paddy pollen mother cell meiophase,
Seed-Setting Percentage in Rice highest is 72.31%；It is differentiated to form phase and pollen mother cell formation stage, rice in Floret differentiation phase, Pistil And Stamen
Setting percentage is respectively 27.43%, 36.43%, 66.72%；And the processing that the completion phase sprays is enriched in pollen, Seed-Setting Percentage in Rice has bright
It is aobvious to decline, it is 52.45%.Therefore, brassinosteroid most preferably sprays period as pollen mother cell meiosis.
Embodiment 3, brassinosteroid spray influence of the number to Seed-Setting Percentage in Rice
In triplicate, the method for repeating experiment every time is as follows for experiment：
Step 1-3：With the step 1-3 in embodiment 1.
Step 4：Chemicals treatment.It is respectively the brassinosteroid solution of 0.55 mg/L in paddy pollen mother cell with concentration
Meiophase is sprayed.It was sprayed once with every 3 days, is sprayed onto liquid every time until leaf natural slides.Brassinosteroid
Solution is sprayed once, 2 times, 3 times, 4 times and 5 times, and each spraying method is a processing, and each processing sprays 6 plants of rice.
Step 5：High temperature stress processing.In rice anthesis（Tassel extracts pulvinus 2cm-5cm long out）, disk is transplanted rice seedlings immigration
Growth cabinet high-temperature process 5 days, high-temperature process is set as：0:00-7:00,31 DEG C；7:00-9:00,32.5 DEG C；9:00-14:
00,38 DEG C；14:00-16:00,36.5 DEG C；16:00-24:00,31 DEG C, relative humidity is 75%.
Step 6：The detection of Seed-Setting Percentage in Rice.Statistics difference sprays the Seed-Setting Percentage in Rice of number respectively.
Step 7：Data analysis.Data processing, all experimental data systems are carried out using Microsoft Excel2007 softwares
Meter analysis SPSS 19.0 is handled, and significant difference analysis is carried out using Duncan ' s duncan's new multiple range methods.
Step 8：The best number screening of brassinosteroid.According to each sample setting percentage data of processing, optimum oil is screened
Rape lactone sprays number.As shown in figure 3, handling 4 rice knots in paddy pollen mother cell meiophase brassinosteroid
Real rate highest is 78.43%；1 time and 2 times are sprayed, Seed-Setting Percentage in Rice is respectively 38.92% and 57.43%；And 3 times and 5 times are sprayed,
Seed-Setting Percentage in Rice is respectively 70.62%, 75.32%, is not significantly different with the result for spraying 4 times.In view of medicament use cost,
It is 3 times that brassinosteroid, which most preferably sprays number,.
Embodiment 4, brassinosteroid processing spend rice grain husk the influence of physical signs and pollen fertility
Step 1-3：With the step 1-3 in embodiment 1.
Step 4：Chemicals treatment.By the brassinosteroid solution of 0.55 mg/L（BR）, sprayed in paddy pollen mother cell
It applies, as a contrast with clear water（CK）.It sprays within every 3 days once, applies altogether three times, be sprayed onto liquid every time until leaf natural slides.
Each processing sprays 6 plants of rice, in triplicate.
Step 5：High temperature stress processing.In rice anthesis（Tassel extracts pulvinus 2cm-5cm long out）, disk is transplanted rice seedlings immigration
Growth cabinet high-temperature process 5 days, high-temperature process（HT）It is set as：0:00-7:00,31 DEG C；7:00-9:00,32.5 DEG C；9:
00-14:00,38 DEG C；14:00-16:00,36.5 DEG C；16:00-24:00,31 DEG C, relative humidity is 75%.It is with room temperature processing
Control, room temperature processing（NT）It is set as：0:00-7:00,25 DEG C；7:00-9:00,26.5 DEG C；9:00-14:00,32 DEG C；14:
00-16:00,30.5 DEG C；16:00-24:00,25 DEG C, relative humidity is 75%.
Step 6：Indices measure.The grain husk flower that growth is consistent is taken within the 3rd day after high-temperature process, pollen activity and flower are observed
Medicine rupture rate, and SOD, POD, MDA and proline content are measured, often handle three repetitions.Each processing, which is left and taken, to be grown unanimously
Rice tassel measures the setting percentage of each processing.
Step 7：Data analysis.Data processing, all experimental datas are carried out using 2007 softwares of Microsoft Excel
Statistical analysis SPSS 19.0 is handled, and significant difference analysis is carried out using Duncan ' s duncan's new multiple range methods.
Step 8：The analysis of physical signs and pollen fertility is spent rice grain husk in brassinosteroid processing.
As shown in table 1, under high temperature stress processing, after spraying brassinosteroid, Seed-Setting Percentage in Rice improves 58.47%,
SOD activity, POD activity and mda content significantly reduce 22.50%, 16.94% and 28.41% respectively, and proline content improves
22.99%.Under normal temperature conditions, it is not notable to setting percentage, SOD activity and POD activity differences to spray brassinosteroid,
Mda content reduces 31.58%, and proline content improves 48.93%.
As shown in Figure 4, Rice Anther cracking is incomplete after the processing of high temperature clear water or does not crack, and sprays brassinosteroid
Anther can be made to crack under high temperature stress completely.The anther dehiscence of brassinosteroid and clear water processing to rice is sprayed under room temperature
Influence unobvious.
As shown in Figure 5, opposite normal temperature compares, and the paddy pollen activity of high temperature stress processing declines.It will be appreciated from fig. 6 that
Under high temperature stress processing, after spraying brassinosteroid, significantly improved respectively with the pollen activity of lower part in the middle part of young fringe
15.14% and 33.66%, top pollen activity is changed not notable.Under normal temperature conditions, it sprays and does not spray in rape element
Ester changes equal unobvious to pollen activity.
It these results suggest that under the high temperature conditions, external source, which sprays brassinosteroid not only and can significantly improve in rice body, to be resisted
Oxidase active, and rice is made to keep higher pollen activity and anther dehiscence rate, keep the setting percentage of rice.
Influence of the brassinosteroid to Seed-Setting Percentage in Rice and antioxidase is sprayed under 1 high temperature stress of table
Note：HT-BR：High temperature sprays brassinosteroid；HT-CK：High temperature clear water compares；NT-BR：Room temperature sprays brassinosteroid；
NT-CK：Room temperature clear water compares.In 0.05 horizontal upper significant difference between different lowercase letter different disposals in same column.
The present invention mainly by designing multiple brassinosteroid concentration on the basis of, optimization process concentration is found out, by grinding
Study carefully the measurement of the physical signs such as the setting percentage, SOD, POD, malonaldehyde that brassinosteroid spends rice grain husk under high temperature stress, inquires into
It is inverse to specify brassinosteroid alleviation rice high temperature for influence of the external source brassinosteroid to Rice Physiological biochemical characteristic under high temperature stress
There is the mechanism in border very high application value, the present invention brassinosteroid to be used to be expected to as practice in rice Spraying in the flowering stage
Middle improvement rice High Temperature Stress provides technical foundation.
Claims (5)
1. brassinosteroid or substance the answering in alleviating rice florescence High Temperature Stress that the brassinosteroid is active constituent
With.
2. application as described in claim 1, it is characterised in that the brassinosteroid or the brassinosteroid be activity at
The substance application concentration divided is 0.55 mg/L.
3. application as described in claim 1, it is characterised in that the brassinosteroid or the brassinosteroid be activity at
The substance Dressing date divided is paddy pollen mother cell meiophase.
4. application as described in claim 1, it is characterised in that the brassinosteroid or the brassinosteroid be activity at
The number that sprays of the substance divided is 3 times, is sprayed every 3 days 1 time.
5. a kind of method for alleviating rice florescence High Temperature Stress, it is characterised in that include the following steps：
（1）In the substance that paddy pollen mother cell meiophase sprays brassinosteroid or brassinosteroid is active constituent；
（2）Spray a concentration of 0.55mg/L of brassinosteroid；
（3）The number for spraying brassinosteroid is 3 times, is sprayed 1 time every 3 days.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110810416A (en) * | 2019-11-14 | 2020-02-21 | 中国水稻研究所 | Plant growth regulator for reducing rice glume degradation at high temperature and application method and application thereof |
| CN111587629A (en) * | 2020-05-27 | 2020-08-28 | 华南农业大学 | Peanut seed priming method for improving drought resistance |
| CN112385496A (en) * | 2020-11-27 | 2021-02-23 | 中国水稻研究所 | High-temperature-resistant yield-keeping method for rice |
| CN113692804A (en) * | 2021-10-08 | 2021-11-26 | 江苏千重浪农业科技发展有限公司 | Breeding method of high-quality high-yield disease-resistant rice variety |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103214546A (en) * | 2012-01-18 | 2013-07-24 | 成都新朝阳作物科学有限公司 | Natural brassinolide analogue application |
| CN105494372A (en) * | 2015-12-10 | 2016-04-20 | 中国农业科学院作物科学研究所 | Growth regulating agent capable of improving hybrid rice seed production and sterile line seed reproduction yield and application |
| CN107278654A (en) * | 2017-07-03 | 2017-10-24 | 中国计量大学 | Promote the method for paddy rice stem heavy metal cadmium accumulation and its rice plant of preparation using 24 Epibrassinolides |
-
2018
- 2018-04-26 CN CN201810384488.0A patent/CN108739158A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103214546A (en) * | 2012-01-18 | 2013-07-24 | 成都新朝阳作物科学有限公司 | Natural brassinolide analogue application |
| CN105494372A (en) * | 2015-12-10 | 2016-04-20 | 中国农业科学院作物科学研究所 | Growth regulating agent capable of improving hybrid rice seed production and sterile line seed reproduction yield and application |
| CN107278654A (en) * | 2017-07-03 | 2017-10-24 | 中国计量大学 | Promote the method for paddy rice stem heavy metal cadmium accumulation and its rice plant of preparation using 24 Epibrassinolides |
Non-Patent Citations (1)
| Title |
|---|
| 曹云英: "《高温对水稻产量与品质的影响及其生理机制》", 《中国博士学位论文数据库农业科技辑》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110810416A (en) * | 2019-11-14 | 2020-02-21 | 中国水稻研究所 | Plant growth regulator for reducing rice glume degradation at high temperature and application method and application thereof |
| CN111587629A (en) * | 2020-05-27 | 2020-08-28 | 华南农业大学 | Peanut seed priming method for improving drought resistance |
| CN111587629B (en) * | 2020-05-27 | 2024-05-28 | 华南农业大学 | Peanut seed initiation method for improving drought resistance |
| CN112385496A (en) * | 2020-11-27 | 2021-02-23 | 中国水稻研究所 | High-temperature-resistant yield-keeping method for rice |
| CN113692804A (en) * | 2021-10-08 | 2021-11-26 | 江苏千重浪农业科技发展有限公司 | Breeding method of high-quality high-yield disease-resistant rice variety |
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