CN108849333A - A kind of high yield paddy rice planting method - Google Patents
A kind of high yield paddy rice planting method Download PDFInfo
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- CN108849333A CN108849333A CN201810690286.9A CN201810690286A CN108849333A CN 108849333 A CN108849333 A CN 108849333A CN 201810690286 A CN201810690286 A CN 201810690286A CN 108849333 A CN108849333 A CN 108849333A
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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
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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Abstract
The invention discloses a kind of high yield paddy rice planting methods, include the following steps：Step S1, the suitable base of selection, reasonable arrangement safe period and florescence, sowing gap stage is fixed；Step S2, rice seedling bed is prepared enough, light seeding is even to be broadcast, and is cultivated band tiller and is strengthened seedling；Step S3, transplanting, reasonable arrangement row ratio participate Basic Seedling in due course；Step S4, field management；Step S5, scientific prediction of flowering period；Step S6, in due course, legitimacy, apply auxin in right amount；Step S7, isolation and rogueing are carried out；Step S8, powder is manually caught up with；Step S9, harvesting in due course.When the present invention sows, male parent was divided to for two phases sowed, and maternal phase sowing, first phase male parent and the maternal sowing time difference are 15d, and flower is not empty before capable of guaranteeing, the decorative pattern at the end of a poem, article, etc. where there is a small blank space is not lost, and full blossom is met；Paddy rice planting method of the invention is scientific and reasonable, and arrangement is appropriate, by the way that the different times such as the rice production of hybrid seeds, rice shoot, maturation are effectively treated, can significantly improve the yield of rice, per unit area yield can beat 4.2t/hm2。
Description
Technical field
The invention belongs to Rice Cropping technical fields, and in particular, to a kind of high yield paddy rice planting method.
Background technique
Rice is pyrophilous, how wet, short-day, requires soil not tight, and rice soil is best.Seedling germination minimum temperature 10~
It is 12 DEG C, 28~32 DEG C most suitable.Average daily 20 DEG C of tillering stage or more, 30 DEG C of Spike development thermophilic or so；Low temperature makes branch stalk and Floret differentiation
Extend.25~35 DEG C of thermophilic of heading.It blooms most 30 DEG C of thermophilic or so, lower than 20 DEG C or higher than 40 DEG C, is fertilized adversely effected.Phase
It is advisable to humidity 50~90%.However in actual life, the plantation of rice is all in outdoor, depending on temperature has weather, because of day
The reason of gas it is easy to appear the seedling rot of seedling, dead seedling or phenomena such as burn.
Presently, there are the bottlenecks that rice transplanting survival rate not can be further improved, and type of rearing is improper, constrain rice yield
It improves；In annual sowing season, Zong You small part peasant household is during presoaking and germinating, during causing raising rice seedlings because of misoperation
The generation of the various pest and disease damages of the bad species of rice, rotten bud and rice, causes rice yield to significantly reduce, affects peasant's
Normal income, and during rice cultivation, peasant needs constantly field to be gone to be managed, and takes time and effort.
Summary of the invention
The purpose of the present invention is to provide a kind of high yield paddy rice planting methods, by the rice production of hybrid seeds, rice shoot, maturation etc.
Different times are effectively treated, and can significantly improve the yield of rice.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of high yield paddy rice planting method, includes the following steps：
Step S1, the suitable base of selection, reasonable arrangement safe period and florescence, sowing gap stage is fixed
Male parent is divided to the sowing of two phases, and the first phase differs 10d sowing, maternal phase sowing, first phase male parent and mother with the second phase
This sowing time difference is 15d；
Step S2, rice seedling bed is prepared enough, light seeding is even to be broadcast, and is cultivated band tiller and is strengthened seedling
Parent will stop rice seedling bed, carefully broadcast it is even broadcast, cultivate strong seedling, Parent is all made of water-raised seedling, crop field sowing quantity
Female parent is 30kg/hm2, male parent 7.5kg/hm2；
Step S3, transplanting, reasonable arrangement row ratio participate Basic Seedling in due course
Male parent is transplanted to crop field in mid-June, and the wide 2.5m in production of hybrid seeds compartment, Parent transplanting row is than being 1:12, male parent cave plants 2-3
Grain paddy seedling, spacing in the rows 23.3-33.3cm, each slotting a line of two phase male parents participate 330,000/hm of Basic Seedling2, female parent plants seeding row spacing and is
14*14cm, every cave plant 2-3 paddy seedlings；
Step S4, field management
(1) fertilizer applications：Base fertilizer：Apply 45% compound fertilizer 750kg/hm2, urea 150kg/hm2；Dressing of turnning green stage：Apply urea in full field
150kg/hm2, other male parent Dan Zhui compound fertilizer 75kg/hm2；Booting fertilizer：Apply compound fertilizer 300kg/hm2；Ear manuer：Apply urea 45-
75kg/hm2；
(2) management of water：The overboard dry field of 15d after female parent is planted, boot stage and heading flowering period keep water layer；
(3) Pest organism is prevented and treated：Chemical weed control after female parent is planted, mixes fertilizer with second benzyl and applies；Prevention and treatment rice kernel smut is with going out black one
Number, it is respectively prevented and treated once respectively at beginning ear period and full-bloom stage；
Step S5, scientific prediction of flowering period
(1) young fringe stripping is looked into：When ear differentiation, in early July, choose the stem seedling in a cave be stripping check as,
Whether early period looks into once every 1-2d stripping, and the later period looks into once every 3-5d stripping, and Parent is shelled look into simultaneously, same according to Parent development
Step is to decide whether flowering regulation production of hybrid seeds requirement；
(2) flowering regulation：On the basis of prediction of flowering period, adjusted using rich water；
(3) fertility judges：The variation for paying close attention to weather, analyzes daily mean temperature, compares Fertility al-teration stagnation temperature
23.5 DEG C of angle value；Or it carries out judging fertility transformation using isolation cultivation technique；
Step S6, in due course, legitimacy, apply auxin in right amount
The total dosage of growth hormone is 900g/hm2, the method that first gently rear weight, Parent individually spray is taken, sees fringe in female parent
It is sprayed within 3% for the first time, dosage 300g/hm2, only spray maternal；Second of secondary spray, dosage 450g/hm2, Parent is same
Spray, male parent are gently floatd a little, and the opposite spray of spray head cannot be used；In full-bloom stage 150g/hm2It raises flowers 2 times to female parent；
Step S7, isolation and rogueing are carried out
Isolation：The problem of isolation is thought about before the production of hybrid seeds, do the time difference isolation, space isolation, transplanting male parent isolation, film every
From；
Impurity elimination：Three periods carry out field and go to cut weeds, first is that before male parent beginning fringe, second is that full-bloom stage, third is that maturity period, weight
Point is florescence impurity elimination；
Step S8, powder is manually caught up with
Florescence manually catches up with powder using rope, and daily 10:30-14:00 is the Best Times for catching up with powder, catches up with powder 4-6 times, catches up with daily
Powder duration 7-10d；
Step S9, harvesting in due course
When kernel maturing reaches 80% or so, fine timely harvesting is robbed, first cuts male parent, after removing thoroughly, then cuts female parent, is received
Sunning in time, selected, packaging after obtaining.
Further, the daily mean temperature in fertility safe period described in step S1 is maintained at greater than 23.5 DEG C, and mid or late July is extremely
The temperature continuous-stable of early August is higher than 23.5 DEG C, is fertility safe period；Florescence daily mean temperature is stablized on 25-32 DEG C, August
The weather of suitable, short of rain, the rare limit high temperature of the middle ten days temperature and humidity is conducive to Parent heading flowering；Late August to early September is
Sunny season short of rain, harvesting and sunning suitable for the production of hybrid seeds.
Further, male parent described in step S1 was divided to for two phases, and the first phase was sowed May 15, and the second phase is broadcast on the 25th May
Kind, it is maternal to be sowed May 30；First phase male parent and the maternal sowing time difference are 15d, it is ensured that the Parent same period or male parent are than female
This slow 2-3d.
Further, operation row 20-30cm is stayed at least side between the female parent of male parent described in step S3.
Further, Pest organism described in step S4 is prevented and treated, crop field keypoint control early period black streak dwarf, banded sclerotial blight and rice
Plant hopper, later period keypoint control rice blast, rice kernel smut, false smut, planthopper, rice leaf roller pest and disease damage.
Further, rich water described in step S5 is nitrogenous fertilizer or potash fertilizer, nitrogen fertilizer controlling flower synchronization, potash fertilizer promotion florescence phase
It meets.
Further, cultivation technique is isolated described in step S5 is specially：It is random in seed farm when 8 phase of young spike development
Take the 50-100 plants of rice root and stem of certain plants, be transplanted in bucket, be placed on depletion region of the 500m or more without other Rice Croppings around, manages meticulously
Reason, or mesh bag is isolated with pollen, at 8 phase of young spike development, whole strain covers in mesh bag, later period species test, calculates self-fruitful rate；
Pollen microscopic examination, heading stage, single fringe (strain) spike of rice bloomed daily on the seed farm random acquisition same day to indoor carry out microscope mirror
Inspection takes the anther of 6-8, the upper, middle and lower portion grain husk flower of spike of rice, is dyed with the tincture of iodine, counted under the microscope, calculate circle lose, contaminate lose,
The percentage of black dye, to judge flower spike fertility transformation.
Further, auxin described in step S6 is 920.
Further, plant to suitably be increased for maternal a kind of seedling that leaf color is strong, seedling gesture is vigorous in step S6
Growth hormone dosage takes female parent and cuts leaf measure.
Further, it is described cut leaf measure to be 1 day before spraying growth hormone slice off 1/3 sword-like leave.
Beneficial effects of the present invention：
(1) when the present invention sows, male parent was divided to for two phases sowed, and maternal phase sowing, first phase male parent is broadcast with maternal
The kind time difference is 15d, and flower is not empty before capable of guaranteeing, the decorative pattern at the end of a poem, article, etc. where there is a small blank space is not lost, and full blossom is met；
(2) present invention cultivates band tiller and strengthens seedling when cultivating rice shoot, and cultivating strong seedling not only can be improved seedling quality, heavier
What is wanted is that strong seedling can be such that maternal stem is consistent with tiller growing process, promotes stem to realize that fertility is synchronous with tiller and turns
It changes；
(3) present invention is passed through the prediction of flowering period of science and is adjusted using rich water, so that the parental instinct of rice seedling
Enough developments are synchronous, full blossom is met；
(4) present invention by due course, legitimacy, apply auxin in right amount, individually sprayed using weight, Parent after first light
The method applied, makes rice seedling grow up strong and sturdy, then harvesting in due course；
(5) paddy rice planting method of the invention is scientific and reasonable, arrange it is appropriate, by the rice production of hybrid seeds, rice shoot, maturation etc. no
It is of the same period to be effectively treated, the yield of rice can be significantly improved, per unit area yield can beat 4.2t/hm2。
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
A kind of high yield paddy rice planting method, includes the following steps：
Step S1, the suitable base of selection, reasonable arrangement safe period and florescence, sowing gap stage is fixed
Fertility safe period should ensure that production of hybrid seeds area warm and moist, illumination are sufficient, specifically, being maintained at for daily mean temperature
23.5-25 DEG C, the temperature continuous-stable of mid or late July to early August is higher than 23.5 DEG C, is fertility safe period；Florescence requires day
Equal temperature is stablized at 25-32 DEG C, and the weather of suitable, short of rain, the rare limit high temperature of August early and middle ten days temperature and humidity is conducive to Parent pumping
Fringe flowering；Late August to early September is sunny season short of rain, harvesting and sunning suitable for the production of hybrid seeds；
Male parent was divided to for two phases, and the first phase was sowed May 15, and the second phase was sowed May 25, maternal to sow May 30,
The sowing time difference of first phase male parent and female parent is 15d, it is ensured that the Parent same period or male parent are spent not before guaranteeing than maternal slow 2-3d
Sky, the decorative pattern at the end of a poem, article, etc. where there is a small blank space are not lost, and full blossom is met；
Step S2, rice seedling bed is prepared enough, light seeding is even to be broadcast, and is cultivated band tiller and is strengthened seedling
It is the production of hybrid seeds for two, cultivating strong seedling not only can be improved seedling quality, it is often more important that strong seedling can make maternal master
Stem is consistent with tiller growing process, is promoted stem to realize that fertility is synchronous with tiller and is converted, to guarantee that the seedling number of Parent exists
Rice seedling bed hair foot, Parent will stop rice seedling bed, carefully broadcast it is even broadcast, cultivate strong seedling, Parent is all made of water-raised seedling, crop field sowing quantity
Female parent is 30kg/hm2, male parent 7.5kg/hm2, the standard of strong seedling is：Leaf color is dark green, and stem foot is wider, and root is delicate strong, no disease pest
Evil, transplanting band tiller；
Step S3, it transplants in due course, reasonable arrangement row ratio, participates Basic Seedling, guarantee yielding Populations
It discharges water and turns in time after small wheat harvesting, prepare transplanting；It is early to plant early pipe, it transplants in due course, length of time rice seedlings grow control is no more than
30d, male parent are generally transplanted to crop field in mid-June, such as postpone transplanting time, will affect its tiller, unfavorable high yield or even florescence are not
It meets, early slotting, surface planting promotees early hair low position tiller, and the wide 2.5m in production of hybrid seeds compartment, parent's row ratio is with 1:12 are advisable, and male parent inserts hair and develops simultaneously, maternal
By inserting not by hair, 2-3 paddy seedlings of male parent cave cultivation, spacing in the rows 23.3-33.3cm, each slotting a line of two phase male parents, in order to rice transplanting and
Later period prediction of flowering period participates 330,000/hm of Basic Seedling2, it is 14*14cm that female parent, which plants seeding row spacing, and every cave plants 2-3 paddy seedlings, male parent
At least operation row 20-30cm is stayed in side between female parent；
Step S4, field management
(1) fertilizer applications：Base fertilizer：Apply 45% compound fertilizer 750kg/hm2, urea 150kg/hm2；Dressing of turnning green stage：Apply urea in full field
150kg/hm2, other male parent Dan Zhui compound fertilizer 75kg/hm2；Booting fertilizer (before ear differentiation)：Apply compound fertilizer 300；Ear manuer：According to
Field conditions apply urea 45-75kg/hm2；
(2) management of water：Shallow water transplants seedlings, and living, very little water, thin moisture tiller, the overboard dry field of 15d, boot stage and pumping after female parent is planted
Fringe blooming stage keeps water layer, and it is wet that the later period does dry and wet；
(3) Pest organism is prevented and treated：Chemical weed control after female parent is planted, mixes fertilizer with second benzyl and applies；Crop field keypoint control early period secret note is short
Contracting disease, banded sclerotial blight and planthopper etc., later period keypoint control rice blast, rice kernel smut, false smut, planthopper, rice leaf roller
Equal pest and disease damages, prevention and treatment rice kernel smut are respectively prevented and treated once respectively at beginning ear period and full-bloom stage, are in addition affixed by love with " black No.1 of going out "
Seedling can improve paddy appearance luster；
Step S5, scientific prediction of flowering period
(1) young fringe stripping is looked into：According to the formalness in the 8 of young spike development periods, Parent young spike development is directly observed
Process, to predict whether the Parent florescence meets, specific practice be when ear differentiation, generally in early July, choose one
Stem seedling in cave is that stripping is checked as same field looks into multiple spot according to development degree of consistency stripping, looks into one every 1-2d stripping early period
Secondary, the later period looks into once every 3-5d stripping, and Parent is shelled look into simultaneously, decides whether to spend according to whether Parent development synchronizes
Phase adjusts production of hybrid seeds requirement；
(2) flowering regulation：On the basis of prediction of flowering period, such as find that the flowering asynchronism of field Parent or degree of meeting are poor,
The principle that common nitrogen control potassium promotees, is adjusted using rich water；
(3) fertility judges：Temperature analysis pays close attention to the variation of weather, if any microthermal climate, divides daily mean temperature
Analysis compares 23.5 DEG C of critical point temperature of fertility alteration value；Isolation cultivation (or field set separation net), when 8 phase of young spike development, in the production of hybrid seeds
Field takes the 50-100 plants of rice root and stem of certain plants (reduce to the greatest extent plant damage) at random, is transplanted in bucket, be placed on around 500m or more without other
The depletion region of Rice Cropping, manages with delicacy, or mesh bag is isolated with pollen, and at 8 phase of young spike development, whole strain is covered in mesh bag
Interior, later period species test calculates self-fruitful rate；Pollen microscopic examination, heading stage, the single fringe bloomed daily on the seed farm random acquisition same day
(strain) spike of rice takes the anther of the 6-8 grain husk flower in upper, middle and lower portion of spike of rice, is dyed with the tincture of iodine to indoor carry out sediments microscope inspection,
Counted under microscope, calculate circle lose, contaminate lose, the percentage of black dye, with this come judge flower spike whether fertility transformation；
Step S6, in due course, legitimacy applies auxin " 920 " in right amount
Under the premise of flower synchronization is good, " 920 " total dosage is 900g/hm2, take first light rear weight, Parent independent
The method sprayed；See within fringe 3% in female parent and sprays for the first time, dosage 300g/hm2, only spray maternal；It second of secondary spray, uses
Amount is 450g/hm2, Parent is with spraying, cannot be with spray head against spray, to prevent male parent but it is noted that male parent can only gently float a little
Plant is excessively high, causes pollination situation undesirable；In full-bloom stage 150g/hm2It raises flowers 2 times to female parent, strong for maternal leaf color,
The vigorous a kind of seedling of seedling gesture will suitably increase dosage, and pay attention to taking female parent leaf measure of cutting (to spray " 920 " to slice off for first 1 day
Sword-like leave 1/3)；
Step S7, isolation and rogueing
Isolation：The problem of isolation is thought about before the production of hybrid seeds does time difference isolation, space isolation, transplanting due to the limitation in field
Male parent isolation, film isolation；
Removal of impurities：Rogueing should catch three critical periods, first is that before male parent beginning fringe, second is that full-bloom stage, third is that the maturity period,
Emphasis is florescence impurity elimination, and impurity elimination must early impurity elimination, ruthless impurity elimination, multiple impurity elimination；
Step S8, powder is manually caught up with
Florescence manually catches up with powder using rope, and daily 10:30-14:00 is the Best Times for catching up with powder, catches up with powder 4-6 times, catches up with daily
Powder duration 7-10d；
Step S9, harvesting in due course
When kernel maturing reaches 80% or so, fine timely harvesting is robbed, male parent is first cut, checks whether removing thoroughly, then cut
Female parent dries (long-time heap is forbidden to warm up), selected, packaging (using inside and outside label) after harvest in time, forbids to postpone and gather in, to prevent
Maternal high position Tiller ears self-fertility seed is mature and influences seed purity.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (10)
1. a kind of high yield paddy rice planting method, which is characterized in that include the following steps：
Step S1, the suitable base of selection, reasonable arrangement safe period and florescence, sowing gap stage is fixed
Male parent is divided to the sowing of two phases, and the first phase differs 10d sowing, maternal phase sowing, first phase male parent and female parent with the second phase
The sowing time difference is 15d；
Step S2, rice seedling bed is prepared enough, light seeding is even to be broadcast, and is cultivated band tiller and is strengthened seedling
Parent will stop rice seedling bed, carefully broadcast it is even broadcast, cultivate strong seedling, Parent is all made of water-raised seedling, and crop field sowing quantity is maternal
For 30kg/hm2, male parent 7.5kg/hm2；
Step S3, transplanting, reasonable arrangement row ratio participate Basic Seedling in due course
Male parent is transplanted to crop field in mid-June, and the wide 2.5m in production of hybrid seeds compartment, Parent transplanting row is than being 1:12, male parent cave plants 2-3 paddy
Seedling, spacing in the rows 23.3-33.3cm, each slotting a line of two phase male parents participate 330,000/hm of Basic Seedling2, it is 14* that female parent, which plants seeding row spacing,
14cm, every cave plant 2-3 paddy seedlings；
Step S4, field management
(1) fertilizer applications：Base fertilizer：Apply 45% compound fertilizer 750kg/hm2, urea 150kg/hm2；Dressing of turnning green stage：Apply urea in full field
150kg/hm2, other male parent Dan Zhui compound fertilizer 75kg/hm2；Booting fertilizer：Apply compound fertilizer 300kg/hm2；Ear manuer：Apply urea 45-
75kg/hm2；
(2) management of water：The overboard dry field of 15d after female parent is planted, boot stage and heading flowering period keep water layer；
(3) Pest organism is prevented and treated：Chemical weed control after female parent is planted, mixes fertilizer with second benzyl and applies；Rice kernel smut black No.1 of going out is prevented and treated, point
It is not prevented and treated respectively once in beginning ear period and full-bloom stage；
Step S5, scientific prediction of flowering period
(1) young fringe stripping is looked into：When ear differentiation, in early July, choosing the stem seedling in a cave is that stripping was checked as early period
Looked into every 1-2d stripping primary, the later period looks into primary every 3-5d stripping, and Parent is shelled look into simultaneously, according to Parent development whether synchronize come
Decide whether flowering regulation production of hybrid seeds requirement；
(2) flowering regulation：On the basis of prediction of flowering period, adjusted using rich water；
(3) fertility judges：The variation for paying close attention to weather, analyzes daily mean temperature, compares critical point temperature of fertility alteration value
23.5℃；Or it carries out judging fertility transformation using isolation cultivation technique；
Step S6, in due course, legitimacy, apply auxin in right amount
The total dosage of growth hormone is 900g/hm2, take it is first light after the method that individually sprays of weight, Parent, female parent see fringe 3% with
Interior spray first time, dosage 300g/hm2, only spray maternal；Second of secondary spray, dosage 450g/hm2, Parent is the same as spray, male parent
It gently floats a little, the opposite spray of spray head cannot be used；In full-bloom stage 150g/hm2It raises flowers 2 times to female parent；
Step S7, isolation and rogueing are carried out
Isolation：The problem of isolation is thought about before the production of hybrid seeds does time difference isolation, space isolation, the isolation of transplanting male parent, film isolation；
Impurity elimination：Three periods carry out field and go to cut weeds, first is that before male parent beginning fringe, second is that full-bloom stage, third is that maturity period, emphasis are
Florescence impurity elimination；
Step S8, powder is manually caught up with
Florescence manually catches up with powder using rope, and daily 10:30-14:00 is the Best Times for catching up with powder, catches up with powder 4-6 times daily, powder is caught up with to hold
Continuous time 7-10d；
Step S9, harvesting in due course
When kernel maturing reaches 80% or so, fine timely harvesting is robbed, first cuts male parent, after removing thoroughly, then female parent is cut, after harvest
Sunning in time, selected, packaging.
2. a kind of high yield paddy rice planting method according to claim 1, which is characterized in that the peace of fertility described in step S1
The daily mean temperature of full period is maintained at greater than 23.5 DEG C, and the temperature continuous-stable of mid or late July to early August is higher than 23.5 DEG C, is
Fertility safe period；Florescence daily mean temperature is stablized at 25-32 DEG C, suitable, short of rain, the rare limit high temperature of August early and middle ten days temperature and humidity
Weather is conducive to Parent heading flowering；Late August to early September is sunny season short of rain, harvesting suitable for the production of hybrid seeds with dry in the air
It shines.
3. a kind of high yield paddy rice planting method according to claim 1, which is characterized in that male parent described in step S1 point
Two phases, the first phase were sowed May 15, and the second phase was sowed May 25, maternal to sow May 30；First phase male parent and mother
This sowing time difference is 15d, it is ensured that the Parent same period or male parent are than maternal slow 2-3d.
4. a kind of high yield paddy rice planting method according to claim 1, which is characterized in that male parent described in step S3 is female
At least operation row 20-30cm is stayed in side between this.
5. a kind of high yield paddy rice planting method according to claim 1, which is characterized in that Pest organism described in step S4
Prevention and treatment, crop field keypoint control early period black streak dwarf, banded sclerotial blight and planthopper, later period keypoint control rice blast, rice kernel smut,
False smut, planthopper, rice leaf roller pest and disease damage.
6. a kind of high yield paddy rice planting method according to claim 1, which is characterized in that rich water described in step S5 is
Nitrogenous fertilizer or potash fertilizer, nitrogen fertilizer controlling flower synchronization, potash fertilizer promote flower synchronization.
7. a kind of high yield paddy rice planting method according to claim 1, which is characterized in that be isolated described in step S5 and plant
Training technology is specially：When 8 phase of young spike development, take the 50-100 plants of rice root and stem of certain plants at random in seed farm, be transplanted in bucket, is placed on surrounding
Depletion region of the 500m or more without other Rice Croppings, manages with delicacy, or mesh bag is isolated with pollen, at 8 phase of young spike development,
Whole strain covers in mesh bag, later period species test, calculates self-fruitful rate；Pollen microscopic examination, heading stage work as in seed farm random acquisition daily
Single fringe (strain) spike of rice that day blooms takes the anther of the 6-8 grain husk flower in upper, middle and lower portion of spike of rice, uses to indoor carry out sediments microscope inspection
The tincture of iodine dyeing, count under the microscope, calculate circle lose, contaminate lose, the percentage of black dye, to judge flower spike fertility transformation.
8. a kind of high yield paddy rice planting method according to claim 1, which is characterized in that plant described in step S6 is raw
Long hormone is 920.
9. a kind of high yield paddy rice planting method according to claim 1, which is characterized in that for the mother in step S6
A kind of seedling that this leaf color is strong, seedling gesture is vigorous will suitably increase auxin dosage, take female parent and cut leaf measure.
10. a kind of high yield paddy rice planting method according to claim 9, which is characterized in that described to cut leaf measure as spray
Apply slice off within 1 day before growth hormone 1/3 sword-like leave.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810690286.9A CN108849333A (en) | 2018-06-28 | 2018-06-28 | A kind of high yield paddy rice planting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810690286.9A CN108849333A (en) | 2018-06-28 | 2018-06-28 | A kind of high yield paddy rice planting method |
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| CN109906896A (en) * | 2019-02-28 | 2019-06-21 | 常德市农学会 | A kind of Hybrid Rice is guaranteed the quality high-yield breeding method |
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| CN109906896A (en) * | 2019-02-28 | 2019-06-21 | 常德市农学会 | A kind of Hybrid Rice is guaranteed the quality high-yield breeding method |
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