CN109005730A - A kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding method - Google Patents

A kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding method Download PDF

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Publication number
CN109005730A
CN109005730A CN201810747786.1A CN201810747786A CN109005730A CN 109005730 A CN109005730 A CN 109005730A CN 201810747786 A CN201810747786 A CN 201810747786A CN 109005730 A CN109005730 A CN 109005730A
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seed
film
seedling
pregermination
temperature stratification
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王进
颜霞
刘贤德
谢全刚
李军元
李刚
周德峰
陈国顺
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Hexi University
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Hexi University
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C1/00Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G17/00Cultivation of hops, vines, fruit trees, or like trees
    • A01G17/005Cultivation methods

Abstract

The invention discloses a kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding methods, including seed collection, purification of seeds is selected, seed afterripening processing, lamination and vernalization processing, the seed sprouting speed of this method processing is fast, emergence rate is high, method is easy, and seedling quality is good, and seedling cost is cheap, nursery stock rate is high, can also effectively prevent and kill off nursery weeds in field.

Description

A kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding method
Technical field
The present invention relates to field of agricultural cultivation, more particularly, to a kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding side Method.
Background technique
Mongolian amygdalus seed (Prunus mongolica Maxim) is the more of rosaceae (Rosaceae) Prunus (Prunus L.) Year raw machaka, be distributed in the Alxa in China Inner Mongol, Wulate Middle Banner He Houqi, the Lang shan Mountain, Wushen Banner, Zhuo Zishan, Nine peaks mountain and Yinshan Mountains west area, the Helan Mountain in Ningxia, Xinjiang Tengger desert and Altai Region, are distributed in Gansu Dragon Head Mountain, Middle of Hexi Corridor and Qilian mountains Northern Margin;Mongolia and Kazakhstan are also distributed.As Central Asia The distinctive xerophytic deciduous shrubs in the Gobi desert region and Saline-alkali Field Control, the good tree species to prevent erosion, be have compared with The northwest of the high ecological value is cold, drought, Desert Area landscape plant and soil-and-water conservation effect.Meanwhile kernel can be for " brush-cherry seed " It is used as medicine, energy relax bowel and defecation, only phlegm cough, diuresis cure mainly the symptoms such as dry feces, oedema, tinea pedis, be traditional Chinese medicine, have Important economic value and medical value.Mongolian amygdalus seed kind Renhe seed kernel oil is edible, and oil content is about 40%.But it is long The human interference of phase and livestock gnaw activity, so that plant quantity falls sharply, are included by endangered plants by Chinese Plants Red Data Book, And it is listed in Chinese Second Class Key Protected Plant.
Families in West-North Desert of China, temperature, illumination, moisture, saline and alkaline, husky bury are the key constraints for influencing plant growth. Mongolian amygdalus seed plant root is shallow, convenient for taking;Plant blossom is early, is subject to cold spell in later spring and fruit drop, mature seed quantity It is few;After mature Seed Rain landing, it is subject to the feeding of the rodents such as mouse, rabbit and viability of scattering and disappearing;Prunus Mongolica seeds are deposited In shallow rear maturity suspend mode and strong, the Prunus Mongolica seeds drought resisting of sprouting, cold, salt tolerance is poor, and seedling is in hot conditions Lower death rate height is the obstacle of nursery technique breeding, these factors result in the species and cause the obstacle be on the point of and bred.Therefore it is unfolded Mongolian amygdalus seed artificial cultivation and rescue work, study Prunus Mongolica seeds processing technique and type of seeding, select suitable ecology It is successful key that region, which carries out culturing and transplanting seedlings,.
The rear maturity and hard endocarp that Prunus Mongolica seeds have, are one kind of suspend mode form.By abolishing after-ripening With it is strong, improve germination regularity and consistency.It has been found now, high-temperature process, low-temperature stratification, HORMONE TREATMENT Seed is set to complete physiology after-ripening, hot water treatment, concentrated sulfuric acid chemical treatment, mechanical treatment, cryogenic freezing processing and rice mill processing It is all the effective ways for breaking hardseed suspend mode.It is to abolish physiology after-ripening by low-temperature stratification for rosaceae cherry Common method, for endangered species mongolian amygdalus seed, the method is not fully applicable in.In Prunus Mongolica seeds, there are minorities After-ripening seed, the length of high-temperature process time influence the release and seed vitality of suspend mode, and mechanical treatment and low-temperature stratification are to abolish Hard effective ways, but the intensity and method of low-temperature stratification temperature, Stratification time and mechanical treatment, influence the vigor of seed And germinating.
Sowing time, type of seeding, depth of planting and cultivation mode influence the growth of seedling emergence rate, survival rate, seedling Amount and outplanting rate.Too early, the seed of sprouting or the seedling survived are subject to cold spell in later spring and are frozen to death for sowing, and temperature is excessively high when sowing, It is harmful and dead that seedling is subject to high-temperature heating.Land live streaming, weeds in field is more, and soil moisture conservation is poor, and field management is at high cost, seedling Rate is low.Sow too deep, emergence rate is low, sows shallow, and the seed of sprouting is subject to arid or runs seedling and dead.Mongolian amygdalus seed is urged Bud seedling-raising technique is a kind of completely new mongolian amygdalus seed seedling-raising technique, and it is fast that there is seed to sprout for it, and emergence rate is high, high survival rate, The features such as growth of seedling speed is fast, and seedling cost is low, manages and protects simplicity, and outplanting rate is high is suitable for extensive nursery lot nursery.
Summary of the invention
The present invention is to overcome above situation insufficient, it is desirable to provide a kind of technical solution that can solve the above problem.
A kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding method, including selected Prunus Mongolica seeds at 35-40 DEG C Lower processing 96-72 hours makes seed complete after-ripening and improves vigor, with water will sieving disinfection river sand 1: 17 (V/W) be mixed it is even 1 hour is stood afterwards, wet sand is uniformly mixed with the seed after high-temperature process by 5-10: 1 (v/v), is packed into gunnysack or ventilative Buddhist nun Imperial bag or wooden case, moisturizing is handled 10-15 days under 2-5 DEG C of dark condition, then is placed 2-3 days at 10-15 DEG C, makes seed Shell cracks or sprouts " showing money or valuables one carries unintentionally " but cannot sprout, with the giant of 2-3kg/cm2 power the aperture 2.0-3.0mm solarization face On seed is rinsed well, dry moisture.Select soil layer deep, irrigation and drainage are convenient, fertile soil, and surrounding is wheat without shading, preceding stubble Changshu of stubble or beans stubble autumn plough deeply, basal dressing, winter irrigation, spring top insults rake mushroom, and spring shallowly ploughs deeply, and applies seed manure, makes soil " thin, loose, flat, soft " is poured water, by looking into seedling after emergence in early or mid April overlay film with covering sand after 0.5-2cm depth bunch plating It fills the gaps with seedlings, intertillage is loosened the soil, and the measures such as weeding fertilising, epiphragma cooling, the prevention and control of plant diseases, pest control and summer pruning carry out nurturing staff, promotes children Seedling growth, improves seedling percent and outplanting rate.
As a further solution of the present invention: the seed is that the mongolian amygdalus seed of acquisition rejects the full stalwartness of exocarp Net seed;The sand of the Stratificated treatment is 0.05-0.8mm sieve to be crossed after cleaning, then disinfection 2 is small under the conditions of 140-145 DEG C When river sand, the sand for sowing covering be gathered materials on the spot 1mm sieve river sand or the sand on semi-mobile dune;The summer Season trimming, mainly by promoting trunk growth except bud picking is sprouted;The described epiphragma cooling be in mid or late June, take between film or Near-earth block soil covers film surface, and anti-surface temperature is excessively high, causes death of seedling;The base manure is gentle for decomposed farmyard manure Effect property phosphorus, K composite fertilizer, seed manure are Available N-P-K compound fertilizer.
Beneficial effects of the present invention: Prunus Mongolica seeds are handled by Aging storage, low-temperature stratification and vernalization in the present invention, Field planting percent is improved, germination speed of emergence is improved, seed the 4th day starts to emerge, and reaches maximum and goes out within the 6th day Seedling rate makes field emergence neat and consistent;Prunus Mongolica seeds are by Aging storage, low-temperature stratification and vernalization processing, seed vitality Improved.Compared with conventional seed mechanical breaking endocarp seed, germination index 91.45 improves 1.81 times, vigor Index is 34.21, improves 3.2 times;The seed mulch sowing cultivation of vernalization processing, increases field Basic Seedling, promotes Growth of seedling, seedling branch is few, commodity is good, convenient for excavation, transport and definite value.Using the method nursery, field Basic Seedling Up to 50000-65000 plants/acre, plant height reaches 30-40cm, and root system reaches 25-35cm, trunk not branch or few branch, seedling Commodity is good, and single plant is small in size, convenient for excavation, packaging, transport and definite value.The seed mulch sowing cultivation of vernalization processing, sufficiently Played mulch heat, preserve soil moisture, anti-careless function, promote growth of seedling, improve seed sprout and growth of seedling to arid, Low temperature, weeds, the resilience for the adverse circumstances such as damaging to plants caused by sudden drop in temperature, improve the field planting percent under adverse circumstance, and save irrigation and weeding at This.Prunus Mongolica seeds have been sprouted by after-ripening vernalization processing sowing, seed, and sowing is convenient, can be reduced 1/2 or more application rate, Seedling is easy to reach uniformity, and a large amount of labours are saved in field not thinning.Prunus Mongolica seeds are handled by after-ripening vernalization Afterwards, using overlay film dibbling seedling method, Seedling emergence rate improves 56%, prevents effect from reaching 45% dead seedling, to open country nursery Annual seedling height increase 15-20cm, root system depth increases 10-15cm, to the biennial mongolian amygdalus seed of open field live broadcast children Height of seedling degree increases 20-30cm, and root quantity increases 30-50%, and has been obviously promoted the growth and development of mongolian amygdalus seed seedling.It is flat Peach seeds improve field planting percent, reduce application rate after after-ripening vernalization processing.For open country nursery, the amount of broadcasting is reduced 50Kg/ mus.It does not sprout the seed of germination, is carried out after screening in secondary vernalization or mechanical breaking kind yet to after-ripening, low-temperature stratification Skin sowing, reduces the waste of high vigor seed.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described, Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, It shall fall within the protection scope of the present invention.
Embodiment 1
A kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding method of this implementation column, in Hexi University's teaching experiment base It carries out, comprising the following steps:
S1, seed collection: at the beginning of mid-July to September, in seed collecting garden or wild mongolian amygdalus seed distributed area, select tree vigo(u)r strong It is strong, result is dense, no disease and pests harm maternal plant is seed collecting strain, by winning method or tap the method picked up, collect it is uniform, full, The fruit of no disease and pests harm completes seed collection process;
S2, purification of seeds are selected: by pericarp and impurity in the Prunus Mongolica seeds rejecting of acquisition, drying in the shade, pass through indoors Tintometry rejects empty, not plump, sick, weak seed from seed lot, selects and remain kind full, neat, healthy and strong, that viability is high Son does sowing material.
S3, seed afterripening processing: the seed of S2 processing is being handled 72 hours at 40 DEG C, so that seed is completed after-ripening and is mentioned High vigor, grain weight prepare according to 50Kg/ mus;
S4,0.05-0.8mm sieve is crossed after cleaning river sand, then sterilized 2 hours under the conditions of 140-145 DEG C, water and disinfection Sand is mixed even rear standing 1 hour according to 1: 17 (V/W);
S5, lamination and vernalization processing: S4 is uniformly mixed with the S3 seed for completing Aging storage by 5-10: 1 (v/v), is filled Enter gunnysack, moisturizing is handled 15 days in 2-5 DEG C of dark vegetable cold storage, then is placed 2-3 days under indoor (10-15 DEG C), and seed is made Shell cracking or sprout " showing money or valuables one carries unintentionally ";
S6, the seed that S5 is handled are with the giant of 2-3kg/cm2 power by seed on the solarization face in the aperture 2.0-3.0mm It rinses well, drying moisture is for sowing;
S7, selection of land, site preparation, fertilising: selection soil layer is deep, and irrigation and drainage are convenient, fertile soil, and surrounding is wheat without shading, preceding stubble Changshu of stubble or beans stubble autumn plough deeply, 7 tons of basal dressing, rake mushroom is insulted on winter irrigation, spring top, and spring shallowly ploughs deeply, and applies seed manure, makes Soil " thin, loose, flat, soft ";
S8, overlay film and laying drip irrigation zone: in the nursery lot that S7 is put in order, the colourless mulch of 70cm is selected, with film spacing 30cm overlay film, while dropper band, trickle irrigation spacing interval between shelterbelt 30cm, it is desirable that film straight parallel are laid under film;
S10, punching bunch plating simultaneously cover sand: on the nursery mulch of S8 processing, with spacing in the rows 5cm, line-spacing 15cm makes a call to 4 rows The seed of S5 processing is sown into hole, it is desirable that germination mouth is parallel to the ground, and 0.5- is covered on seed by hole with the depth of 0.5-2cm The sand of 2cm, and rapid trickle irrigation keep seed surrounding soil and sand wet;
S10, seedling management: it completes S9 and sows work, seeding stage multiple trickle irrigation, the seed of timely after-culture S5 processing guarantees Full stand seedling is complete, and pays attention to protection against rodents, anti-magpie, crow, pheasant feeding seed;5-10cm high is grown to young plant, every 15-20 days It pours water once depending on soil moisture content, stops pouring water after the beginning of autumn, prevent the autumn from slightly growing;Early or mid June takes soil between film in conjunction with intertillage Or plot soil is closed on, film surface is covered, high temperature dead seedling is prevented, and the weeds that rupture of membranes is gone out are pulled out, with earth mulch rupture of membranes mouth;
S11, intertillage fertilising: within entire growth period, tillage and weeding is in the ranks carried out in film, is imposed when mid or late June pours water Fertile urea 5Kg/ mus, 10Kg/ mus of ternary compound fertilizer are imposed when mid or late July pours water, urea 15Kg/ is applied when mid or late August pours water Mu;
S12, pruning: from emergence to this growth period, to plant to carry out repeatedly except sprout, bud picking works, promote Trunk robust growth reduces nutrient waste;
S13, the prevention and control of plant diseases, pest control: Seedling Stage sprays carbendazim or Bravo, disease prevention, from emergence up to growth stopping, root According to insect pest situation, sprays and kill the chemical controls such as pyrethroids, decis.
Embodiment 2
A kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding method of this implementation column, in Zhangye City, Gansu Province Ganzhou District woods The red husky nest forest farm nursery base of industry office carries out, comprising the following steps:
S1, seed collection: at the beginning of mid-July to September, in seed collecting garden or wild mongolian amygdalus seed distributed area, select tree vigo(u)r strong It is strong, result is dense, no disease and pests harm maternal plant is seed collecting strain, by winning method or tap the method picked up, collect it is uniform, full, The fruit of no disease and pests harm completes seed collection process;
S2, purification of seeds are selected: selected full, neat, strong by pericarp and impurity in the Prunus Mongolica seeds rejecting of collection Seed strong, that viability is high does sowing material;
S3, seed afterripening processing: the seed of S2 processing is being handled 96 hours at 35 DEG C, so that seed is completed after-ripening and is mentioned High vigor;
S4,0.05-0.8mm sieve is crossed after cleaning river sand, then sterilized 2 hours under the conditions of 140-145 DEG C, water and disinfection Sand is mixed even rear standing 1 hour according to 1: 17 (V/W);
S5, lamination and vernalization processing: S4 is uniformly mixed with the seed for completing S3 Aging storage by 5-10: 1 (v/v), is filled Enter ventilative Nylon Bag or wooden case, moisturizing is handled 15 days in 2-5 DEG C of fruit storage Freezing room, then in outdoor shady place 10- It is placed 2-3 days at 15 DEG C, the shell of seed is made to crack or sprout " showing money or valuables one carries unintentionally ";
Seed is rinsed on S6, the solarization face the seed aperture 2.0-3.0mm of S5 processing and is sifted out;
S7, selection of land, site preparation, fertilising: selection soil layer is deep, and irrigation and drainage are convenient, fertile soil, and surrounding is wheat without shading, preceding stubble Changshu of stubble or beans stubble autumn plough deeply, basal dressing, winter irrigation, spring top insults rake mushroom, and spring shallowly ploughs deeply, and applies seed manure, makes soil " thin, loose, flat, soft ";
S8, overlay film and laying drip irrigation zone: in the nursery lot that S7 is put in order, the colourless mulch of 90cm is selected, with film spacing 400cm overlay film, it is desirable that film straight parallel;
S9, punching bunch plating simultaneously cover sand: in the nursery lot of S8 processing, with spacing in the rows 8cm, line-spacing 15cm makes a call to 5 rounds, will The seed of S5 processing is sown into hole with the depth of 0.5-2cm, it is desirable that germination mouth is parallel to the ground, covers 0.5-2cm's on seed Sand, and pour water rapidly;
S10, seedling management: completing sowing S9 work, and 3-5 days seeding stage gently poured, the seed of timely after-culture S5 processing, Guarantee that full stand seedling is complete;5-10cm high is grown to young plant, was poured water once every 15-20 days depending on soil moisture content, stops pouring water after the beginning of autumn, Prevent the autumn from slightly growing;Early or mid June takes soil between film in conjunction with intertillage or closes on plot soil, covers film surface, prevent high temperature dead Seedling, and the weeds that rupture of membranes is gone out are pulled out, with earth mulch rupture of membranes mouth;
Subsequent implementation steps are identical as example 1.
Embodiment 3
A kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding method in the present embodiment, in Zhangye City, Gansu Province Linze county state The progress of five spring forest farm nursery bases is sought, step is identical as example 1.
But in embodiment, step S5 is uniformly to mix S4 by 5: 1 (v/v) with the seed S3 for completing Aging storage, is filled Enter woven bag, is put into 2-5 DEG C of deepfreeze case moisturizing and handles 15 days, then placed 2-3 days under indoor (15 DEG C), make the fruit of seed Shell cracks or sprouts " showing money or valuables one carries unintentionally ";
It is ploughed deeply in step S7 in conjunction with autumn, applies 3 tons of decay sheep excrement, 25Kg/ mus of calcium superphosphate, enter winter irrigation after the winter, spring In conjunction with seed manure is applied, soil sprays " trefanocide " herbicide, and spreads fertilizer over the fields soil with the wheat bran poison bait 5Kg that " Furadan " configures, and prevents and treats Soil pests.
In step S8, in the nursery lot that S7 is put in order, the black mulch film of 140cm is selected, with film spacing 50cm overlay film, Dropper band, trickle irrigation spacing interval between shelterbelt 30cm, it is desirable that film straight parallel are laid under film simultaneously.
In step S9, soil sprayed " trefanocide " herbicide after 10 days, and with spacing in the rows 10cm, line-spacing 15cm makes a call to 9 rounds, will The seed of S5 processing is sown into hole with the depth of 0.5-2cm, it is desirable that germination mouth is parallel to the ground, covers 0.5-2cm's on seed Sand, and rapid trickle irrigation keep seed surrounding soil and sand wet.
Embodiment 4
Nursery, the open country seed sowing nursery are carried out to mongolian amygdalus seed using traditional open country seed sowing seedling method Method is exactly drilling seedling method.
To in embodiment 1-4 method for culturing seedlings and result carry out list comparison, the results are shown in Table 1:
Method for culturing seedlings and result in 1 embodiment 1-4 of table carry out list comparison
A kind of Prunus Mongolica seeds low-temperature stratification vernalization overlay film program request method for culturing seedlings of the invention is than traditional as shown in Table 1 For open country seed sowing method for culturing seedlings, sowing quantity is few, and at rate height, growth of seedling speed is fast in field, and nursery stock rate is high.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, nothing By from the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims All changes be included within the present invention.

Claims (10)

1. a kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding method, which comprises the following steps:
S1, seed collection: at the beginning of mid-July to September, select tree vigo(u)r it is strong it is strong, result is dense, no disease and pests harm maternal plant is seed collecting Strain collects uniform, full, no disease and pests harm fruit, completes seed collection process by winning method or tapping the method picked up;
S2, purification of seeds are selected: by the Prunus Mongolica seeds of collection reject in pericarp and impurity, it is selected it is full, neat, healthy and strong, The high seed of viability does sowing material;
S3, seed afterripening processing: the seed of S2 processing is being handled 96-72 hours at 35-40 DEG C, seed is made to complete after-ripening simultaneously Raising vigor;
S3,0.05-0.8mm sieve being crossed after cleaning river sand, then being sterilized 2 hours under the conditions of 140-145 DEG C, water and disinfection sand are pressed It is mixed even rear standing 1 hour according to 1: 13-17 (V/W);
S5, lamination and vernalization processing: S4 is uniformly mixed with the seed for completing S3 Aging storage by 5-10: 1 (v/v), fiber crops are packed into Bag or ventilative Nylon Bag or wooden case, moisturizing is handled 10-15 days under 2-5 DEG C of dark condition, then places 2-3 at 10-15 DEG C It, makes the shell of seed crack or sprout " showing money or valuables one carries unintentionally ";
S6, the seed of S5 processing is rinsed seed on the solarization face in the aperture 2.0-3.0mm with the giant of 2-3kg/cm2 power Completely, drying moisture is for sowing;
S7, selection of land, site preparation, fertilising: selection soil layer is deep, and irrigation and drainage are convenient, fertile soil, surrounding without shading, preceding stubble be wheat stubble or Changshu of beans stubble autumn plough deeply, basal dressing, winter irrigation, spring top insults rake mushroom, and spring shallowly ploughs deeply, and applies seed manure, make soil " it is thin, It is loose, flat, soft ";
S8, overlay film and be laid with drip irrigation zone: in the nursery lot that S7 is put in order, select 70cm, 90cm 140cm black mulch film or Colourless mulch with film spacing 40-60cm overlay film, while being laid with dropper band, trickle irrigation spacing interval between shelterbelt 30cm, it is desirable that film is parallel under film Directly;
S9, punching bunch plating simultaneously cover sand: in the nursery lot of S8 processing, with spacing in the rows 5-10cm, line-spacing 15cm punching, at S5 The seed of reason is sown into hole with the depth of 0.5-2cm, it is desirable that and germination mouth is parallel to the ground, and the sand of 0.5-2cm is covered on seed, And rapid trickle irrigation, keep seed surrounding soil and sand wet;
S10, seedling management: it completes S9 and sows work, seeding stage multiple trickle irrigation, the seed of timely after-culture S5 processing guarantees full stand Miao Quan, and pay attention to protection against rodents, anti-magpie, crow, pheasant feeding seed;5-10cm high is grown to young plant, every 15-20 days view soil Soil moisture content is poured water once, is stopped pouring water after the beginning of autumn, is prevented the autumn from slightly growing;Early or mid June takes soil between film in conjunction with intertillage or closes on ground Block soil, covers film surface, prevents high temperature dead seedling, and the weeds that rupture of membranes is gone out are pulled out, with earth mulch rupture of membranes mouth;
S11, intertillage fertilising: within entire growth period, tillage and weeding is in the ranks carried out in film, is carried out top dressing 3-4 times in conjunction with pouring water;
S12, pruning: mongolian amygdalus seed is the shrub of sympodial branching, from emergence to this growth period, to be carried out to plant more It is secondary except sprout, bud picking work, promote trunk robust growth, reduce nutrient waste;
S13, the prevention and control of plant diseases, pest control: Seedling Stage sprays carbendazim or Bravo, disease prevention, from emergence up to growth stops, according to worm Evil situation, sprays and kills the chemical controls such as pyrethroids, decis.
2. a kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding method according to claim 1, which is characterized in that described Step S1 in, Prunus Mongolica seeds are collected in seed seed collecting garden or wild mongolian amygdalus seed distributed area.
3. a kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding method according to claim 1, which is characterized in that described Step S2 in, it is pericarp and impurity during the Prunus Mongolica seeds that will be acquired are rejected that the purification of seeds is selected, negative indoors It is dry, by tintometry, empty, not plump, sick, weak seed is rejected from seed lot, selects and remain full, neat, healthy and strong, viability High seed does sowing material.
4. a kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding method according to claim 1, which is characterized in that described Step S9 sowing covering sand be gathered materials on the spot 1mm sieve river sand or the sand on semi-mobile dune.
5. a kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding method according to claim 1, which is characterized in that described Step S7 in, the base manure be decomposed manure 4-7 ton/mu or calcium superphosphate, seed manure be phosphorus diamines or compound fertilizer, application Amount is 15-20Kg/ mus.
6. a kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding method according to claim 1, which is characterized in that described Step S8 in, it is described select 70cm, 90cm 140cm black mulch film or colourless mulch, with film spacing 30-50cm overlay film.
7. a kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding method according to claim 1, which is characterized in that described Step S9 in, 4 rows are punched on 70cm film, 5 rows are punched on 90cm film, punch 9 rows on 140cm film, hole line-spacing is 15cm, strain Away from for 5-10cm.
8. a kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding method according to claim 1, which is characterized in that described Step S9 in, the hole depth be 2cm, thickness of the coated sand 0.5-2cm.
9. a kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding method according to claim 1, which is characterized in that described Step S11 in, the top dressing be urea or ternary compound fertilizer.
10. a kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding method according to claim 1, which is characterized in that institute In the step S11 stated, top dressing combines progress of pouring water, and dose is 3-5Kg/ mus when mid or late June pours water, and mid or late July pours water When dose be 5-10Kg/ mu, when mid or late August pours water dose be 10-15Kg/ mus.
CN201810747786.1A 2018-07-02 2018-07-02 A kind of Prunus Mongolica seeds low-temperature stratification Pregermination and seedling breeding method Pending CN109005730A (en)

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CN109526446A (en) * 2018-12-20 2019-03-29 河西学院 A kind of low alternating temperature stratification overlay film direct sowing and seedling method of shiny-leaved yellowhorn seed
CN109601371A (en) * 2019-01-02 2019-04-12 四川鑫沃康农业有限责任公司 A kind of breed improvement method of honeysuckle
CN109673201A (en) * 2019-02-18 2019-04-26 河西学院 A kind of method that shiny-leaved yellowhorn seed dormancy is abolished

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