CN108812110A - Method using plant with respect to plant height identification cabbage type rape temperature-sensitive characteristic - Google Patents
Method using plant with respect to plant height identification cabbage type rape temperature-sensitive characteristic Download PDFInfo
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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
- A01G22/15—Leaf crops, e.g. lettuce or spinach
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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
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Abstract
The present invention relates to a kind of methods using plant with respect to plant height identification cabbage type rape temperature-sensitive characteristic, including 1) by cabbage type rape variety to be identified in crop field autumn sowing；2) coating processing；The plant height h of all cabbage type rape varieties to be identified after measuring crop field autumn sowing in rape flowering opening；3) crop field autumn sowing plant is calculated according to h to be averaged plant height4) crop field spring sowing is carried out, after crop field is sowed in spring after cabbage type rape emergence, measures the spring sowing plant plant height h ' of all plant in cabbage type rape variety group；5) it is averaged plant height according to spring sowing plant plant height h ' and crop field autumn sowing plant
Description
Technical field
The invention belongs to plant cold resistance type identification technology fields, are related to a kind of oily with respect to plant height identification Wild cabbage type using plant
The method of dish temperature-sensitive characteristic.
Background technique
The long-term drought in northern cold drought-hit area, winter, spring arable land are idle, and vegetation coverage is low, and sand often occurs for early spring next year
Dust storm, fugitive dust weather, impacts people's lives, especially more significant to the destruction of agroecological environment.Wild cabbage type oil
Dish is planted in northern cold drought-hit area to preserving the ecological environment, and increase northern winter, spring vegetation coverage have remarkable result, in the north
Under harsh weather conditions, the rape variety of breeding winter resistance is the key that the northern winter rape production of development, and cold-resistant kind
Breeding first has to solve cold-resistant identification method simple, effectively, inexpensive.
Conventional cold hardness evaluation uses field wintering rate, the identification methods such as Physiology and biochemistry method.And the system of field wintering rate
Meter can not accurately determine the power of single plant winter resistance, larger by artificial and extraneous factor；Physiology and biochemistry method index measurement at
This height, it is stringent to instrument requirements, and most physiological indexes are big in the process, it is unstable.
Number of patent application be 201610227970.4 patent document disclose it is a kind of using plant height identification the Chinese cabbage type winter oil
The method of dish winter habit power, this method are by Chinese cabbage type winter rape variety the end of spring and the beginning of summer to be identified in field planting, and total seedling number exists
30 plants or more；It is grown 60~65 days after emergence, measures the plant height of all seedling in Chinese cabbage type winter rape variety group to be identified；
Carry out plant height standardization；It is standardized according to plant height and determines that single plant winter habit is strong and weak.In the only spring sowing plant height utilized and kind most
Big plant height (Xmax), but each kind vernalization degree is different, and maximum plant height ratio is also different, therefore this method is pressed in principle in kind
Between do not have correlation properties, it is impossible to be used in compare that different cultivars material winter habit is strong and weak, cannot compare and distinguish through vernalization kind
Growth habit identification.
Summary of the invention
In order to solve the above technical problems in background technology, it is simple, quasi- that the present invention provides a kind of experimental implementations
The higher method using plant with respect to plant height identification cabbage type rape temperature-sensitive characteristic of true property.
To achieve the above object, the present invention adopts the following technical scheme that：
A method of cabbage type rape temperature-sensitive characteristic is identified with respect to plant height using plant, it is characterised in that：The utilization
Plant includes the following steps with respect to the method for plant height identification cabbage type rape temperature-sensitive characteristic：
1) by cabbage type rape variety to be identified in crop field autumn sowing；The local height above sea level in the crop field is in 1800-2200 rice
Between；
2) March November to next year of current year carries out coating processing to cabbage type rape variety to be identified after the autumn sowing of crop field,
Prevent extreme low temperature from causing to damage to plants caused by sudden drop in temperature；It is all to be identified after measurement crop field autumn sowing when rape flowering is open at the beginning of 7 months next years
The plant height h of cabbage type rape variety；
3) crop field autumn sowing plant is calculated according to the obtained plant height h of measurement to be averaged plant heightThe crop field autumn sowing plant is average
Plant heightCalculation formula be：
Wherein：
It is that autumn sowing plant in crop field is averaged plant height, unit cm；
H is the plant height that measurement obtains, unit cm；
N is plant strain number when rape flowering is open after the autumn sowing of crop field；
4) by after the autumn sowing of crop field and can the open corresponding cabbage type rape variety of rape flowering in July next year into
Row crop field is sowed in spring, and at the beginning of the time that the crop field is sowed in spring is 4 months, the mean temperature that the crop field is sowed in spring is 15 DEG C, is sowed in spring to crop field
Cabbage type rape emergence growth is not less than 90 days afterwards, measures the plant height of all plant in cabbage type rape variety group, is denoted as the spring
Plant plant height h ' is broadcast, the plant height of non-bolting is denoted as 0；
5) the crop field autumn sowing plant that the spring sowing plant plant height h ' and step 3) obtained according to step 4) is obtained is averaged plant heightAll Wild cabbage types oil when respectively to the progress temperature-sensitive characteristic judgement of the same cabbage type rape variety single plant or to crop field autumn sowing
Vegetable kind carries out the judgement of temperature-sensitive characteristic.
Above-mentioned steps 5) in the same cabbage type rape variety single plant carry out the judgement of temperature-sensitive characteristic specific implementation
It is：
The crop field autumn sowing plant that the spring sowing plant plant height h ' and step 3) obtained according to step 4) measurement is calculated is flat
Equal plant heightCalculate the opposite plant height Hc of all cabbage type rape variety single plants when crop field is sowed in spring；According to all Wild cabbage type oil
The opposite plant height Hc of vegetable kind judges the temperature-sensitive characteristic of cabbage type rape variety single plant；All cabbage type rape variety lists
The specific calculation of opposite plant height Hc of strain is：
Wherein：
HCIt is the opposite plant height of all cabbage type rape variety single plants when crop field is sowed in spring；
H ' is spring sowing plant plant height, unit cm；
It is that autumn sowing plant in crop field is averaged plant height, unit cm.
The opposite plant height Hc of all cabbage type rape variety single plants when the above-mentioned autumn sowing according to crop field judges cabbage type rape
The Rule of judgment of the temperature-sensitive characteristic of kind single plant is：Hc=0, response to temperature are most strong；0 Hc≤0.2 <, response to temperature are stronger；0.2 <
Hc≤0.4, response to temperature are weak；Hc is greater than 0.4, and response to temperature is poor.
Above-mentioned steps 5) in crop field autumn sowing when all cabbage type rape varieties carry out the judgement of temperature-sensitive characteristic specific reality
The mode of applying is：
Calculate separately the average plant height that each cabbage type rape variety is sowed in spring in crop fieldAccording to the same Wild cabbage type oil
Average plant height of the vegetable kind when crop field is sowed in springAnd average plant height of the kind in crop field autumn sowingCalculate the kind
Opposite plant height Hs；The temperature-sensitive characteristic of current cabbage type rape variety is judged according to the opposite plant height Hs of current cultivars；
The average plant height of crop field spring sowingCalculation be：
Wherein：
Average plant height when being crop field spring sowing plant, unit cm；
H ' is the spring sowing plant plant height that measurement obtains, unit cm；
N is plant strain number when rape flowering is open after crop field is sowed in spring；
The calculation of the opposite plant height Hs of the current cultivars single plant is：
Wherein：
Hs is the opposite plant height of current cultivars；
Average plant height when being crop field spring sowing plant, unit cm；
It is that autumn sowing plant in crop field is averaged plant height, unit cm.
The above-mentioned opposite plant height Hs according to current cultivars judges the judgement item of the temperature-sensitive characteristic of current cabbage type rape variety
Part is：Hs < 0.2, response to temperature is most strong, strong winter habit；0.2≤Hs < 0.3, response to temperature is stronger, winter habit；0.3≤Hs < 0.4, sense
Warm nature is weak, semi-winterness；Hs > 0.4, response to temperature is poor, spring habit.
Above-mentioned cabbage type rape variety to be identified be fresh oil 23,16TS 306-4 (spring) can peaceful, 16TS 306-3 select 1 meeting
Rather, 16TS 312-2 can peaceful, 16TS 309-10 can peaceful, the mixed choosing of 16NPZ 269-1, the mixed choosing of 16NPZ 158,15NS 45-4 it is mixed
A variety of combinations in choosing, 2,016 8 (G) choosing, 2016TS (G) 10, day oil 2266 and day oil 2288.
The plant quantity of above-mentioned cabbage type rape variety to be identified each kind in crop field autumn sowing is not less than 30 plants.
The quantity of above-mentioned cabbage type rape variety to be identified is N；The plant total quantity of the crop field autumn sowing is M；The M >=
30N+10。
Above-mentioned steps 2) in measurement crop field autumn sowing after all cabbage type rape varieties to be identified plant height h when condition be oil
The open plant quantity of dish full-bloom stage is not less than 2/3M；The M is the plant total quantity of crop field autumn sowing.
It is an advantage of the invention that：
The present invention provides a kind of methods using plant with respect to plant height identification cabbage type rape temperature-sensitive characteristic, will be to be identified
Cabbage type rape variety autumn is in field planting, until July next year measures the strain of smoothly overwintering cabbage type rape variety group
Height calculates average plant height；Then it sows in spring to smoothly overwintering rape variety, is grown 90 days after emergence, measure rape variety
The single plant plant height of non-bolting is denoted as " 0 " by the height of all plant in group；Plant is calculated with respect to plant height and kind with respect to strain
Height determines the response to temperature of single plant and kind according to opposite plant height, and then determines that its winter habit is strong and weak.The identification method overcomes biography
Unite the statistics of rape wintering rate, Physiology and biochemistry and molecular labeling method the shortcomings that, it is easy to operate, identify single plant and kind winter habit be strong
It is weak, it is low to laboratory condition and technical requirements, at low cost, result is reliable.The present invention is by measurement cabbage type rape group in the autumn
The plant height of each plant, calculates plant and determines with respect to plant height after passing through the average plant height of vernalization group after broadcasting and sowing in spring
Cabbage type rape single plant or kind temperature-sensitive characteristic, and then identify plant winter resistance.
Specific embodiment
The present invention is described in detail With reference to embodiment.
The present invention provides a kind of methods using plant with respect to plant height identification cabbage type rape temperature-sensitive characteristic, this utilizes plant
The method of the opposite plant height identification cabbage type rape temperature-sensitive characteristic of strain includes the following steps：
1) by cabbage type rape variety to be identified in crop field autumn sowing；Crop field is the Lanzhou new district proving ground Shang Chuan；Crop field
Local height above sea level is between 1800-2200 meters；Domestic average annual rainfall 231mm, drought index is up to 5.4, average annual temperature 10.3
DEG C, it is about -10 DEG C of monthly average lowest temperature most cold, -28 DEG C of extreme low temperature or so, -570 DEG C of winter negative accumulated temperature, annual sunshine time
For 2446h, frost-free period 140d, annual precipitation 327mm；The effective accumulation of its low temperature can guarantee that all cabbage type rapes are logical
Cross vernalization；
2) March November to next year of current year carries out coating processing to cabbage type rape variety to be identified after the autumn sowing of crop field,
Prevent extreme low temperature from causing to damage to plants caused by sudden drop in temperature；It is all to be identified after measurement crop field autumn sowing when rape flowering is open at the beginning of 7 months next years
The plant height h of cabbage type rape variety；
3) crop field autumn sowing plant is calculated according to the obtained plant height h of measurement to be averaged plant heightAutumn sowing plant in crop field is averaged plant heightCalculation formula be：
Wherein：
It is that autumn sowing plant in crop field is averaged plant height, unit cm；
H is the plant height that measurement obtains, unit cm；
N is plant strain number when rape flowering is open after the autumn sowing of crop field；
4) by after the autumn sowing of crop field and can the open corresponding cabbage type rape variety of rape flowering in July next year into
Row crop field is sowed in spring, and at the beginning of the time that crop field is sowed in spring is 4 months, crop field is the Lanzhou new district proving ground Shang Chuan；The average temperature that crop field is sowed in spring
Degree is 15 DEG C, average 2 DEG C of low temperature, 21 DEG C of thermal extremes, -4 DEG C of extreme low temperature, has a certain amount of low temperature to accumulate, sows in spring to crop field
Cabbage type rape emergence growth is not less than 90 days afterwards, measures the plant height of all plant in cabbage type rape variety group, is denoted as the spring
Plant plant height h ' is broadcast, the plant height of non-bolting is denoted as 0；
5) the crop field autumn sowing plant that the spring sowing plant plant height h ' and step 3) obtained according to step 4) is obtained is averaged plant heightAll cabbage type rape product when respectively to the progress temperature-sensitive characteristic judgement of the same cabbage type rape variety or to crop field autumn sowing
Kind carries out the judgement of temperature-sensitive characteristic.
It is to the specific implementation of same cabbage type rape variety single plant progress temperature-sensitive characteristic judgement in step 5)：
The crop field autumn sowing plant that the spring sowing plant plant height h ' and step 3) obtained according to step 4) measurement is calculated is flat
Equal plant heightCalculate the opposite plant height Hc of all cabbage type rape variety single plants when crop field is sowed in spring；According to all Wild cabbage type oil
The opposite plant height Hc of vegetable kind judges the temperature-sensitive characteristic of cabbage type rape variety single plant；All cabbage type rape variety lists
The specific calculation of opposite plant height Hc of strain is：
Wherein：
HCIt is the opposite plant height of all cabbage type rape variety single plants when crop field is sowed in spring；
H ' is spring sowing plant plant height, unit cm；
It is that autumn sowing plant in crop field is averaged plant height, unit cm.
The opposite plant height Hc of all cabbage type rape variety single plants when according to crop field autumn sowing judges cabbage type rape variety
The Rule of judgment of the temperature-sensitive characteristic of single plant is：Hc=0, response to temperature are most strong；0 Hc≤0.2 <, response to temperature are stronger；0.2 < Hc≤
0.4, response to temperature is weak；Hc is greater than 0.4, and response to temperature is poor.
All cabbage type rape varieties when in step 5) to crop field autumn sowing carry out the specific embodiment party of temperature-sensitive characteristic judgement
Formula is：
Calculate separately the average plant height that each cabbage type rape variety is sowed in spring in crop fieldAccording to the same Wild cabbage type oil
Average plant height of the vegetable kind when crop field is sowed in springAnd average plant height of the kind in crop field autumn sowingCalculate the kind
Opposite plant height Hs；The temperature-sensitive characteristic of current cabbage type rape variety is judged according to the opposite plant height Hs of current cultivars；
The average plant height of crop field spring sowingCalculation be：
Wherein：
Average plant height when being crop field spring sowing plant, unit cm；
H ' is the spring sowing plant plant height that measurement obtains, unit cm；
N is plant strain number when rape flowering is open after crop field is sowed in spring；
The calculation of the opposite plant height Hs of the current cultivars single plant is：
Wherein：
Hs is the opposite plant height of current cultivars；
Average plant height when being crop field spring sowing plant, unit cm；
It is that autumn sowing plant in crop field is averaged plant height, unit cm.
The Rule of judgment for judging the temperature-sensitive characteristic of current cabbage type rape variety according to the opposite plant height Hs of current cultivars is：
Hs < 0.2, response to temperature is most strong, strong winter habit；0.2≤Hs < 0.3, response to temperature is stronger, winter habit；0.3≤Hs < 0.4, response to temperature
It is weak, semi-winterness；Hs > 0.4, response to temperature is poor, spring habit.
Cabbage type rape variety to be identified be fresh oil 23,16TS 306-4 (spring) can peaceful, 16TS 306-3 select 1 can it is peaceful,
16TS 312-2 can peaceful, 16TS 309-10 can peaceful, the mixed choosing of 16NPZ 269-1, the mixed choosing of 16NPZ 158, the mixed choosing of 15NS 45-4,
A variety of combinations in 2016 8 (G) choosing, 2016TS (G) 10, day oil 2266 and day oil 2288.
The plant quantity of cabbage type rape variety to be identified each kind in crop field autumn sowing is not less than 30 plants；It is to be identified sweet
The quantity of blue type rape variety is N；The plant total quantity of crop field autumn sowing is M；M≥30N+10.
Condition in step 2) after measurement crop field autumn sowing when the plant height h of all cabbage type rape varieties to be identified is that rape is contained
The plant quantity that florescence opens is not less than 2/3M (peak period is full field plant more than half).
Theoretical basis provided by the present invention using plant with respect to the method for plant height identification cabbage type rape temperature-sensitive characteristic
It is：The different genotypical rapes of winter resistance have differences the sensibility of temperature, and winter resistance is stronger, and winter habit is stronger, needed for vernalization
Temperature is lower, and response to temperature is stronger.After cabbage type rape autumn sowing, by under certain time lower temperature, the different rape of winter resistance
Its Hibernation of varietal population is also different；The smooth overwintering varietal population of selection, sows in spring, further identifies its sense
The power of warm nature.
The working principle of the invention is：After spring sowing, under same natural environment, since varietal population's response to temperature is different, plant
The difference in plant height of strain is significant, and the strong varietal population of response to temperature is insufficient since the low temperature by vernalization accumulates, and causes rape that cannot show
Flower bud, bolting, plant height are smaller；And the weak varietal population of response to temperature can pass through vernalization after sowing in spring, i.e., can show flower bud, bloom, set seeds,
And plant height is higher.Influence according to plant response to temperature to plant plant height, so that it may which the power for identifying group's response to temperature determines it
Winter resistance.
Embodiment：The test of the town Shang Chuan of Lanzhou in 2016
1) crop field autumn sowing：By cabbage type rape variety to be identified on the Lanzhou new district proving ground Shang Chuan field planting, the ground
Square height above sea level is between 1800-2200 meters, domestic average annual rainfall 231mm, and drought index is up to 5.4,10.3 DEG C of average annual temperature,
It is about -10 DEG C of monthly average lowest temperature most cold, -28 DEG C of extreme low temperature or so, -570 DEG C of winter negative accumulated temperature, annual sunshine time
For 2446h, frost-free period 140d, annual precipitation 327mm；The effective accumulation of its low temperature can guarantee that all cabbage type rapes are logical
Vernalization is crossed, total seedling number of rapeseed cultivation increases the accuracy of experimental result at 100 plants or more；
2) coating processing is carried out to rape to be identified in March November to next year, prevents extreme low temperature from causing to damage to plants caused by sudden drop in temperature；To July
Just, rape flowering (peak period be full field plant more than half, 2/3 branch the flowers are in blossom puts) when measure autumn sowing rape variety group
All plant heights of body；
3) it according to the plant height of measurement, calculates： It is averaged plant height for autumn sowing plant, unit (cm)；Hi is
Any autumn sowing plant plant height, unit (cm)；N is plant strain number.
4) crop field is sowed in spring：It will sow in spring at the beginning of cabbage type rape variety group 4 months after autumn sowing safe overwintering in crop field, this
15 DEG C of the proving ground Shi Shangchuan monthly average high temperature, average 2 DEG C of low temperature, 21 DEG C of thermal extremes, -4 DEG C of extreme low temperature；Have a certain amount of
Low temperature accumulation.To rape emergence growth 90 days, the plant height of all plant in rape variety group is measured, by the plant of non-bolting
Plant height degree is denoted as " 0 "；
5) it is averaged plant height according to the plant plant height that measures and autumn sowingIn formula：HC is rape single plant with respect to strain
Height, h are spring sowing plant plant height, unit (cm)；
6) cabbage type rape single plant temperature-sensitive characteristic determines：Hc=0, response to temperature is most strong, strong winter habit；Hc=0, response to temperature is most
By force, strong winter habit；0 Hc≤0.2 <, response to temperature is stronger, winter habit；0.2 Hc≤0.4 <, response to temperature is weak, semi-winterness；Hc is greater than 0.4,
Response to temperature is poor, spring habit.
7) calculating of cabbage type rape variety temperature-sensitive characteristic：In any kind of cabbage type rape, its spring sowing plant is calculated
Average plant height For the average plant height of any kind spring sowing, unit (cm)；Hi ' is the spring sowing of any kind
Plant plant height, unit (cm)；N is plant strain number.
8) according to the average plant height of certain kind spring sowing plantIt is averaged plant height with the autumn sowing of rape variety groupRatio,
The opposite plant height for calculating kind, is indicated, i.e., with HSHS is rape variety with respect to plant height.
9) cabbage type rape variety temperature-sensitive characteristic determines：Hs < 0.2, strong winter habit；0.2≤Hs < 0.3, winter habit；0.3≤Hs
< 0.4, semi-winterness；Hs > 0.4, spring habit.
1 kind of table is with respect to plant height
Referring to table 1, a total of 12 cabbage type rape varieties, and be numbered；Autumn sowing is averaged that plant height refers to will be to be identified
By winter after rape autumn sowing, until July next year rape flowering, that is, 240 plants of full field or more rape branch the flowers are in blossom put when measurement
All plant heights of autumn sowing rape variety group, averaged are that autumn sowing is averaged plant height；Similarly, the autumn sowing plant height that is averaged refers to
Rape to be identified was measured into the plant height of all plant in rape variety group to rape emergence growth 90 days in sowing at the beginning of 4 months,
The plant height of non-bolting is denoted as " 0 "；And kind is by spring sowing plant height compared to autumn sowing plant height with respect to plant height, from kind strain
High ratio size, to determine the response to temperature of kind.It is the single plant plant height of 12 each kinds of cabbage type rape, respectively referring to table 2
Kind measures 27 plants of single plants, and the plant height of non-bolting is denoted as " 0 "；By remaining bolting, aobvious flower bud plant height is denoted as " h ",
Unit cm.
The average plant height of 2 different cultivars of table spring sowing
Claims (9)
1. a kind of method using plant with respect to plant height identification cabbage type rape temperature-sensitive characteristic, it is characterised in that：It is described to utilize plant
The method of the opposite plant height identification cabbage type rape temperature-sensitive characteristic of strain includes the following steps：
1) by cabbage type rape variety to be identified in crop field autumn sowing；The local height above sea level in the crop field is between 1800-2200 meters；
2) March November to next year of current year carries out coating processing to cabbage type rape variety to be identified after the autumn sowing of crop field, prevents
Extreme low temperature causes to damage to plants caused by sudden drop in temperature；At the beginning of 7 months next years, all Wild cabbage types to be identified after measurement crop field autumn sowing when rape flowering is open
The plant height h of rape variety；
3) crop field autumn sowing plant is calculated according to the obtained plant height h of measurement to be averaged plant heightThe crop field autumn sowing plant is averaged plant heightCalculation formula be：
Wherein：
It is that autumn sowing plant in crop field is averaged plant height, unit cm；
H is the plant height that measurement obtains, unit cm；
N is plant strain number when rape flowering is open after the autumn sowing of crop field；
4) it will can carry out after the autumn sowing of crop field and in the open corresponding cabbage type rape variety of rape flowering in July next year big
Field is sowed in spring, and at the beginning of the time that the crop field is sowed in spring is 4 months, the mean temperature that the crop field is sowed in spring is 15 DEG C, sweet after crop field is sowed in spring
Blue type rape emergence growth is not less than 90 days, measures the plant height of all plant in cabbage type rape variety group, is denoted as spring sowing and plants
Strain plant height h ', is denoted as 0 for the plant height of non-bolting；
5) the crop field autumn sowing plant that the spring sowing plant plant height h ' and step 3) obtained according to step 4) is obtained is averaged plant heightPoint
It is other to the same cabbage type rape variety carry out the judgement of temperature-sensitive characteristic or all cabbage type rape varieties when to crop field autumn sowing into
The judgement of row temperature-sensitive characteristic.
2. the method according to claim 1 using plant with respect to plant height identification cabbage type rape temperature-sensitive characteristic, feature
It is：It is to the specific implementation of same cabbage type rape variety single plant progress temperature-sensitive characteristic judgement in the step 5)：
It is averaged strain according to the crop field autumn sowing plant that step 4) the obtained spring sowing plant plant height h ' of measurement and step 3) are calculated
It is highCalculate the opposite plant height Hc of all cabbage type rape variety single plants when crop field is sowed in spring；According to all cabbage type rape varieties
Opposite plant height Hc judge the temperature-sensitive characteristic of cabbage type rape variety single plant；All cabbage type rape variety single plants it is opposite
The specific calculation of plant height Hc is：
Wherein：
HCIt is the opposite plant height of all cabbage type rape variety single plants when crop field is sowed in spring；
H ' is spring sowing plant plant height, unit cm；
It is that autumn sowing plant in crop field is averaged plant height, unit cm.
3. the method according to claim 2 using plant with respect to plant height identification cabbage type rape temperature-sensitive characteristic, feature
It is：The opposite plant height Hc of all cabbage type rape variety single plants when the autumn sowing according to crop field judges cabbage type rape variety
The Rule of judgment of the temperature-sensitive characteristic of single plant is：Hc=0, response to temperature are most strong；0 Hc≤0.2 <, response to temperature are stronger；0.2 < Hc≤
0.4, response to temperature is weak；Hc is greater than 0.4, and response to temperature is poor.
4. the method according to claim 1 using plant with respect to plant height identification cabbage type rape temperature-sensitive characteristic, feature
It is：All cabbage type rape varieties when in the step 5) to crop field autumn sowing carry out the specific embodiment party of temperature-sensitive characteristic judgement
Formula is：
Calculate separately the average plant height that each cabbage type rape variety is sowed in spring in crop fieldAccording to the same cabbage type rape product
Average plant height of the kind when crop field is sowed in springAnd average plant height of the kind in crop field autumn sowingCalculate the opposite of the kind
Plant height Hs；The temperature-sensitive characteristic of current cabbage type rape variety is judged according to the opposite plant height Hs of current cultivars；
The average plant height of crop field spring sowingCalculation be：
Wherein：
Average plant height when being crop field spring sowing plant, unit cm；
H ' is the spring sowing plant plant height that measurement obtains, unit cm；
N is plant strain number when rape flowering is open after crop field is sowed in spring；
The calculation of the opposite plant height Hs of the current cultivars single plant is：
Wherein：
Hs is the opposite plant height of current cultivars；
Average plant height when being crop field spring sowing plant, unit cm；
It is that autumn sowing plant in crop field is averaged plant height, unit cm.
5. the method according to claim 4 using plant with respect to plant height identification cabbage type rape temperature-sensitive characteristic, feature
It is：The opposite plant height Hs according to current cultivars judges the Rule of judgment of the temperature-sensitive characteristic of current cabbage type rape variety
It is：Hs < 0.2, response to temperature is most strong, strong winter habit；0.2≤Hs < 0.3, response to temperature is stronger, winter habit；0.3≤Hs < 0.4, response to temperature
It is weak, semi-winterness；Hs > 0.4, response to temperature is poor, spring habit.
6. using plant with respect to plant height identification cabbage type rape temperature-sensitive characteristic described according to claim 1 or 2 or 3 or 4 or 5
Method, it is characterised in that：The cabbage type rape variety to be identified is that fresh oil 23,16TS 306-4 (spring) can peaceful, 16TS
306-3 select 1 can peaceful, 16TS 312-2 can peaceful, 16TS 309-10 can peaceful, the mixed choosing of 16NPZ 269-1, the mixed choosing of 16NPZ 158,
15NS 45-4 mixes a variety of combinations in choosing, 2,016 8 (G) choosing, 2016TS (G) 10, day oil 2266 and day oil 2288.
7. the method according to claim 6 using plant with respect to plant height identification cabbage type rape temperature-sensitive characteristic, feature
It is：The plant quantity of the cabbage type rape variety to be identified each kind in crop field autumn sowing is not less than 30 plants.
8. the method according to claim 7 using plant with respect to plant height identification cabbage type rape temperature-sensitive characteristic, feature
It is：The quantity of the cabbage type rape variety to be identified is N；The plant total quantity of the crop field autumn sowing is M；M >=the 30N
+10。
9. the method according to claim 8 using plant with respect to plant height identification cabbage type rape temperature-sensitive characteristic, feature
It is：Condition in the step 2) after measurement crop field autumn sowing when the plant height h of all cabbage type rape varieties to be identified is rape
The open plant quantity of full-bloom stage is not less than 2/3M；The M is the plant total quantity of crop field autumn sowing.
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| CN1736170A (en) * | 2005-08-11 | 2006-02-22 | 西北农林科技大学 | Method for selectively breeding anti-bolting cabbage |
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