CN105532407A - Floating seedling cultivating method for pierisformosa - Google Patents
Floating seedling cultivating method for pierisformosa Download PDFInfo
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- CN105532407A CN105532407A CN201610023179.1A CN201610023179A CN105532407A CN 105532407 A CN105532407 A CN 105532407A CN 201610023179 A CN201610023179 A CN 201610023179A CN 105532407 A CN105532407 A CN 105532407A
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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
- A01G31/00—Soilless cultivation, e.g. hydroponics
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
Abstract
The invention discloses a floating seedling cultivating method for pierisformosa. Pierisformosa seedling cultivating is completed through the steps of building a floating seedling cultivating pond, processing seeds, preparing a seedling cultivating matrix, selecting and disinfecting a floating disc, loading the disc, sowing the seeds, setting a floating water body, applying a floating seedling cultivating nutrient solution, preventing and treating moss, hardening seedlings, carrying out transplanting and the like. According to the floating seedling cultivating method, varieties of the floating seedling cultivating matrix and the size of particles of the matrix are set, and the specific operation steps for the pH value and the temperature of the floating water body, the ratio of the matrix, the water content of the matrix and seed sowing and moss retraining are strictly regulated, so that the emergence rate of pierisformosa is greatly increased, the emergence rate can reach 90% or above, the percentage of seedling emergency is quite high, and the germination rate can be improved by 35% or above and the emergency rate can be improved by 45% or above compared with a conventional seedling cultivating method; the uniformity of cultivated seedlings is high, root systems of the seedlings are developed and robust and grow robustly, few plant diseases exist, and no weed grows.
Description
Technical field
The present invention relates to the seedling-cultivating method viewing and admiring nursery stock, be specifically related to a kind of floating seedlings culturing method of Pieris Formosa, belong to ornamental horticulture technical field.
Background technology
Pieris Formosa (
pierisformosa) belong to Ericaceae Pieris Formosa to belong to, dungarunga, is born in the evergreen broad-leaved sylvan life of height above sea level 1500 ~ 2800 meters, pine forest or border shrubbery.Sprig is cylindrical, without hair, branch has leaf scar; Hibernaculum is less, oval, without hair outside scale.Strain shape is graceful, and leaf look changeable, inflorescence white, very charming.In Europe, Japan is widely used in indoor pot and garth is viewed and admired, and these species are cold-resistant, wind resistance, antipollution, and germination is strong, for sight leaf splendid in afforestation, sees flower evergreen shrubs.In severe winter, with its distinctive attitude and color, put fascinating glamour to good use.The feature that Pieris Formosa has abundant, gorgeous color because of it is subject to pursuing of people.
The modes of reproduction of Pieris Formosa mainly adopts seed Seedling propagation.Because its seed is little, common matrix differs as the particle size such as soil, humus soil, makes the porosity of the contact surface of seed and matrix excessive or too small, easily causes seed moisture content overdrying or excessively wet, thus affects germination rate and survival rate.
Floating seedlings culturing method generally for be the seedling-cultivating method of granule and pole small-sized seed.In recent years, this method is more common in agricultural production, but is also seldom used in ornamental plant is cultivated.If floating seedlings can be utilized to research and develop a kind of seedling-cultivating method being applicable to viewing and admiring nursery stock Pieris Formosa, the germination rate and the survival rate that improve Pieris Formosa will be conducive to.
Summary of the invention
For solving in Pieris Formosa seed germination, due to the impact of number on seed sprouting of the pH value of sowing media kind, matrix granule size, water body and water temperature, water content of substrate, the invention provides a kind of floating seedlings culturing method of Pieris Formosa, in conjunction with Pieris Formosa seed sprouting feature, conventional floating seedlings technology is improved.
The present invention is realized by following technical proposal: a kind of floating seedlings culturing method of Pieris Formosa, through following each step:
(1) Flotage seedling raising pool is built: the floating pool building nursery routinely;
(2) seed treatment: Pieris Formosa seed of gathering annual November to January of Second Year, remove impurity and not full seed after collecting, high quality seed cloth bag refrigerates stand-by at installing and being placed in 1 ~ 5 DEG C;
(3) preparation of seedling medium: by humus soil, perlite, ash and general calcium levigate to 10 ~ 15 orders, again by humus soil: perlite: ash: the mass ratio of general calcium is (6 ~ 7): (2 ~ 3): 0.5:0.5 mixes, obtain seedling medium, with the liquor potassic permanganate that mass concentration is 0.1 ~ 0.3% seedling medium watered and spill, after wetting every other day service property (quality) concentration be 1 ~ 2% formalin water after, raise after one week with the airtight sterilization of covered rearing with plastic film, clear water is added again moistening after flavour of a drug scatter and disappear naturally, maintenance and hand are pinched agglomerating, the nature that lands scatters and is advisable, this is the seed little (4,000,000 Li/㎏) due to Pieris Formosa, common matrix such as the particle size such as soil, humus soil differs, make the porosity of the contact surface of seed and matrix excessive or too small, easily cause seed moisture content overdrying or excessively wet, thus affect germination rate and survival rate, select above-mentioned seedling medium ensure that and condition needed for Pieris Formosa seed germination effectively improve the percentage of seedgermination of more than 35% compared with conventional seedbed system,
(4) selection of floating disc and sterilization: adopt polystyrene plastics foam drift dish, carry out disinfection if desired;
(5) sabot: loaded by step (3) gained seedling medium in the cavities of step (4) drift dish, keeps the seedling medium degree of tightness in cavities moderate;
(6) sow: annual 2 ~ April, when ground temperature reaches more than 15 DEG C, Pieris Formosa seed after step (2) is processed by each cavities 10 ~ 15 be sown in the cavities seedling medium of step (5), ensure sowing depth 3 ~ 4mm, effectively can improve germination rate;
(7) setting of floating water body: drift dish level step (6) sowed puts into the floating pool of step (1), water temperature in maintenance floating pool is 15 ~ 25 DEG C, the depth of water is 10 ~ 15 centimetres, pH is 6.5 ~ 7, water in floating pool changed once every 10 ~ 15 days, grew to prevent liver moss; Above-mentioned condition is applicable to the germination of Pieris Formosa very much;
(8) the applying of nutritive liquid for floating breeding: from sowing to emerging, Pieris Formosa needs about three months altogether, at this moment in section, according to the different requirements of Pieris Formosa to nutrient solution, is divided into two stages:
First stage: in one month after from sowing, in floating pool, apply fermentation animal wastes rich water, keep molecules of ammonia concentration 0.2 ~ 0.4 ㎎/L;
Second stage: in the second month after from sowing, add NH in floating pool
4nO
3or CN
2h
4o, keeps molecules of ammonia concentration 0.4 ~ 0.8 ㎎/L;
(9) liver moss control: easily grow liver moss in floating pool before seed sprouting, after seed sprouting, stromal surface easily grows liver moss, removes in time after there is liver moss, to guarantee that seed can normally eruption;
(10) hardening: carry out hardening when the seedling of Pieris Formosa grows tall more than 3cm, during hardening, drift dish is picked up from floating pool, moving to cover shelters from heat or light in the booth of rate 70% sunshade net, being placed in place mat has on the hardening bed of 2 ~ 3cm mountain sand, every 10 days with mass concentration be 1 ~ 2 ‰ urea or composite fertilizer's solution spray seedling; Hardening totally 20 ~ 30 days;
(11) transplant: the seedling that step (10) completes hardening is transplanted, namely completes the nursery to Pieris Formosa.
The floating pool building nursery routinely of described step (1) first builds booth, and cover White plastic film and the shading screen of rate 90% of sheltering from heat or light, wide 1.4 meters, dark 20 ~ 25 centimetres, floating pool that length is identical with booth length is built in booth, at the bottom of pond with fine sand or fine earth levelling after, spread the black film of more than 8, ensure film wide >=2 meters, length is suitable with floating pool; 10 ~ 15 centimetres of dark clean water sources are added in floating pool.
The polystyrene plastics foam drift dish of described step (4) is 136 holes or 162 holes, and its outside dimension is 66.5 × 35 × 5.5cm.
Carry out disinfection if desired in described step (4) when being and adopting old drift dish and need spray with the formalin solution that mass concentration is 1 ~ 2%, epiphragma is stifling to be rinsed well with clear water after 1 ~ 2 day; Or soak 1 ~ 2 hour with the liquor potassic permanganate that mass concentration is 0.3 ~ 0.5%, then wash; Adopt new drift dish, namely without the need to carrying out disinfection.
In described step (7), pH is 6.5 ~ 7 is use NaHCO
3solution or HCl solution regulate.
The molecules of ammonia concentration natural minerals water of described step (8) carries out dilution and keeps.
Easily growing liver moss in floating pool before the seed sprouting of described step (9), is because of caused by the water fertilizer deficiency of pond, keeps molecules of ammonia concentration 0.2 ~ 0.8 ㎎/L, effectively can suppress moss growth with fermentation animal wastes rich water.
After the seed sprouting of described step (9), stromal surface easily grows liver moss, that after seed sprouting, stromal surface occurs that liver moss controls not in time, liver moss can hinder the sprouting of seed and the growth of seedling after spreading and forming thin layer covering, stromal surface is adopted to spread fertilizer over the fields ash 0.2 ~ 0.3 ㎏/㎡, effectively can not only eliminate liver moss, the planting percent of more than 45% can also be improved than conventional seedbed system method.
In composite fertilizer's solution of described step (10), N:P:K ratio is 19:7:14.
The present invention has following advantages and effect:
Seedling-cultivating method provided by the invention, not only set the kind of levitating seed-cultivating interstitial substance, matrix granule size, and to the concrete operation step when moisture content of the proportioning of the pH value of floating water body and water temperature, matrix, matrix, sowing, suppress liver moss etc. to do strict regulations, thus substantially increase the emergence rate of Pieris Formosa, make emergence rate reach more than 90%, shorten seedling raise period and saved production cost.
Traditional seedling method of Pieris Formosa comprises seedbed nursery, cave dish or container nursery.Due to the seed of Pieris Formosa small (4,000,000 Li/㎏), conventional seedbed system method is difficult to the moisture, the temperature requirement that meet needed for seed germination, causes its germination rate of Pieris Formosa, emergence rate, planting percent to be generally 45%, 30%, about 50%.And by seedling-cultivating method of the present invention, germination rate, emergence rate, planting percent are respectively 75 ~ 85%, 60 ~ 75%, 80 ~ 95%; Planting percent is high, can improve the germination rate of more than 35%, improve the planting percent of more than 45% than conventional seedbed system method; The nursery stock regularity cultivated is high, and seedlings root is flourishing, healthy and strong, and grow vigorous, disease is few, without weeds; Every square metre of drift dish can breeding nursery stock 3000 ~ 5000 strain, and production efficiency is high, has saved production cost.The present invention combines the germination feature of floating seedlings and Pieris Formosa seed, and the seedling-cultivating method provided is applicable to Pieris Formosa, and the method is practical, with low cost, with strong points, and industrialization is effective.
Embodiment
Below in conjunction with embodiment, the present invention will be further described.
Embodiment 1
(1) Flotage seedling raising pool is built: the floating pool building nursery routinely: first build booth, and cover White plastic film and the shading screen of rate 90% of sheltering from heat or light, wide 1.4 meters, dark 20 ~ 25 centimetres, floating pool that length is identical with booth length is built in booth, at the bottom of pond with fine sand or fine earth levelling after, spread the black film of more than 8, ensure film wide >=2 meters, length is suitable with floating pool; 10 ~ 15 centimetres of dark clean water sources are added in floating pool.
(2) seed treatment: Pieris Formosa seed of gathering annual November to January of Second Year, remove impurity and not full seed after collecting, high quality seed cloth bag refrigerates stand-by at installing and being placed in 1 DEG C;
(3) preparation of seedling medium: by levigate to humus soil, perlite, ash and general calcium to 10 ~ 15 orders, again by humus soil: perlite: ash: the mass ratio of general calcium is that 6:2:0.5:0.5 mixes, obtain seedling medium, with the liquor potassic permanganate that mass concentration is 0.1% seedling medium watered and spill, after wetting every other day service property (quality) concentration be 1% formalin water after, raise after one week with the airtight sterilization of covered rearing with plastic film, after flavour of a drug scatter and disappear naturally, to add clear water more moistening, and maintenance and hand are pinched agglomerating, the nature that lands and scattered and be advisable; This is the seed little (4,000,000 Li/㎏) due to Pieris Formosa, common matrix such as the particle size such as soil, humus soil differs, make the porosity of the contact surface of seed and matrix excessive or too small, easily cause seed moisture content overdrying or excessively wet, thus affect germination rate and survival rate; Select above-mentioned seedling medium ensure that and condition needed for Pieris Formosa seed germination effectively improve the percentage of seedgermination of more than 35% compared with conventional seedbed system;
(4) selection of floating disc and sterilization: adopt polystyrene plastics foam drift dish (136 holes, its outside dimension is 66.5 × 35 × 5.5cm), carry out disinfection if desired: namely adopt during old drift dish and need spray with the formalin solution that mass concentration is 1%, epiphragma is stifling to be rinsed well with clear water after 1 day; Or soak 1 hour with the liquor potassic permanganate that mass concentration is 0.3%, then wash; Adopt new drift dish, namely without the need to carrying out disinfection;
(5) sabot: loaded by step (3) gained seedling medium in the cavities of step (4) drift dish, keeps the seedling medium degree of tightness in cavities moderate;
(6) sow: annual 2 ~ April, when ground temperature reaches more than 15 DEG C, Pieris Formosa seed after step (2) is processed by each cavities 10 ~ 15 be sown in the cavities seedling medium of step (5), ensure sowing depth 3 ~ 4mm, effectively can improve germination rate;
(7) setting of floating water body: drift dish level step (6) sowed puts into the floating pool of step (1), water temperature in maintenance floating pool is 15 DEG C, the depth of water is 10 centimetres, pH is 6.5, water in floating pool changed once every 10 days, grew to prevent liver moss; Above-mentioned condition is applicable to the germination of Pieris Formosa very much; Wherein pH is 6.5 is use NaHCO
3solution or HCl solution regulate;
(8) the applying of nutritive liquid for floating breeding: from sowing to emerging, Pieris Formosa needs about three months altogether, at this moment in section, according to the different requirements of Pieris Formosa to nutrient solution, is divided into two stages:
First stage: in one month after from sowing, in floating pool, apply fermentation animal wastes rich water, keep molecules of ammonia concentration 0.2 ~ 0.4 ㎎/L; Molecules of ammonia concentration natural minerals water carries out dilution and keeps;
Second stage: in the second month after from sowing, add NH in floating pool
4nO
3, keep molecules of ammonia concentration 0.4 ~ 0.8 ㎎/L; Molecules of ammonia concentration natural minerals water carries out dilution and keeps;
(9) liver moss control: easily grow liver moss in floating pool before seed sprouting is because of caused by the water fertilizer deficiency of pond, keeps molecules of ammonia concentration 0.2 ~ 0.8 ㎎/L, effectively can suppress moss growth with fermentation animal wastes rich water; After seed sprouting, stromal surface easily grows liver moss, that after seed sprouting, stromal surface occurs that liver moss controls not in time, liver moss can hinder the sprouting of seed and the growth of seedling after spreading and forming thin layer covering, stromal surface is adopted to spread fertilizer over the fields ash 0.2 ~ 0.3 ㎏/㎡, effectively can not only eliminate liver moss, the planting percent of more than 45% can also be improved than conventional seedbed system method;
(10) hardening: carry out hardening when the seedling of Pieris Formosa grows tall more than 3cm, during hardening, drift dish is picked up from floating pool, moving to cover shelters from heat or light in the booth of rate 70% sunshade net, being placed in place mat has on the hardening bed of 2 ~ 3cm mountain sand, sprays seedling every 10 days with the urea that mass concentration is 1 ‰; Hardening totally 20 ~ 30 days;
(11) transplant: the seedling that step (10) completes hardening is transplanted, namely completes the nursery to Pieris Formosa.
This routine germination rate, emergence rate, planting percent are respectively 84%, 72%, 95%.
Embodiment 2
(1) Flotage seedling raising pool is built: the floating pool building nursery routinely: first build booth, and cover White plastic film and the shading screen of rate 90% of sheltering from heat or light, wide 1.4 meters, dark 20 ~ 25 centimetres, floating pool that length is identical with booth length is built in booth, at the bottom of pond with fine sand or fine earth levelling after, spread the black film of more than 8, ensure film wide >=2 meters, length is suitable with floating pool; 10 ~ 15 centimetres of dark clean water sources are added in floating pool.
(2) seed treatment: Pieris Formosa seed of gathering annual November to January of Second Year, remove impurity and not full seed after collecting, high quality seed cloth bag refrigerates stand-by at installing and being placed in 3 DEG C;
(3) preparation of seedling medium: by levigate to humus soil, perlite, ash and general calcium to 10 ~ 15 orders, again by humus soil: perlite: ash: the mass ratio of general calcium is that 6.5:2.5:0.5:0.5 mixes, obtain seedling medium, with the liquor potassic permanganate that mass concentration is 0.2% seedling medium watered and spill, after wetting every other day service property (quality) concentration be 1.5% formalin water after, raise after one week with the airtight sterilization of covered rearing with plastic film, after flavour of a drug scatter and disappear naturally, to add clear water more moistening, and maintenance and hand are pinched agglomerating, the nature that lands and scattered and be advisable; This is the seed little (4,000,000 Li/㎏) due to Pieris Formosa, common matrix such as the particle size such as soil, humus soil differs, make the porosity of the contact surface of seed and matrix excessive or too small, easily cause seed moisture content overdrying or excessively wet, thus affect germination rate and survival rate; Select above-mentioned seedling medium ensure that and condition needed for Pieris Formosa seed germination effectively improve the percentage of seedgermination of more than 35% compared with conventional seedbed system;
(4) selection of floating disc and sterilization: adopt polystyrene plastics foam drift dish (162 holes, its outside dimension is 66.5 × 35 × 5.5cm), carry out disinfection if desired: namely adopt during old drift dish and need spray with the formalin solution that mass concentration is 1.5%, epiphragma is stifling to be rinsed well with clear water after 2 days; Or soak 1.5 hours with the liquor potassic permanganate that mass concentration is 0.4%, then wash; Adopt new drift dish, namely without the need to carrying out disinfection;
(5) sabot: loaded by step (3) gained seedling medium in the cavities of step (4) drift dish, keeps the seedling medium degree of tightness in cavities moderate;
(6) sow: annual 2 ~ April, when ground temperature reaches more than 15 DEG C, Pieris Formosa seed after step (2) is processed by each cavities 10 ~ 15 be sown in the cavities seedling medium of step (5), ensure sowing depth 3 ~ 4mm, effectively can improve germination rate;
(7) setting of floating water body: drift dish level step (6) sowed puts into the floating pool of step (1), water temperature in maintenance floating pool is 20 DEG C, the depth of water is 12 centimetres, pH is 7, water in floating pool changed once every 12 days, grew to prevent liver moss; Above-mentioned condition is applicable to the germination of Pieris Formosa very much; Wherein pH is 7 is use NaHCO
3solution or HCl solution regulate;
(8) the applying of nutritive liquid for floating breeding: from sowing to emerging, Pieris Formosa needs about three months altogether, at this moment in section, according to the different requirements of Pieris Formosa to nutrient solution, is divided into two stages:
First stage: in one month after from sowing, in floating pool, apply fermentation animal wastes rich water, keep molecules of ammonia concentration 0.2 ~ 0.4 ㎎/L; Molecules of ammonia concentration natural minerals water carries out dilution and keeps;
Second stage: in the second month after from sowing, add NH in floating pool
4nO
3or CN
2h
4o, keeps molecules of ammonia concentration 0.4 ~ 0.8 ㎎/L; Molecules of ammonia concentration natural minerals water carries out dilution and keeps;
(9) liver moss control: easily grow liver moss in floating pool before seed sprouting is because of caused by the water fertilizer deficiency of pond, keeps molecules of ammonia concentration 0.2 ~ 0.8 ㎎/L, effectively can suppress moss growth with fermentation animal wastes rich water; After seed sprouting, stromal surface easily grows liver moss, that after seed sprouting, stromal surface occurs that liver moss controls not in time, liver moss can hinder the sprouting of seed and the growth of seedling after spreading and forming thin layer covering, stromal surface is adopted to spread fertilizer over the fields ash 0.2 ~ 0.3 ㎏/㎡, effectively can not only eliminate liver moss, the planting percent of more than 45% can also be improved than conventional seedbed system method;
(10) hardening: carry out hardening when the seedling of Pieris Formosa grows tall more than 3cm, during hardening, drift dish is picked up from floating pool, moving to cover shelters from heat or light in the booth of rate 70% sunshade net, being placed in place mat has on the hardening bed of 2 ~ 3cm mountain sand, sprays seedling every 10 days with composite fertilizer's solution (N:P:K=19:7:14) that mass concentration is 2 ‰; Hardening totally 20 ~ 30 days;
(11) transplant: the seedling that step (10) completes hardening is transplanted, namely completes the nursery to Pieris Formosa.
This routine germination rate, emergence rate, planting percent are respectively 82%, 75%, 95%.
Embodiment 3
(1) Flotage seedling raising pool is built: the floating pool building nursery routinely: first build booth, and cover White plastic film and the shading screen of rate 90% of sheltering from heat or light, wide 1.4 meters, dark 20 ~ 25 centimetres, floating pool that length is identical with booth length is built in booth, at the bottom of pond with fine sand or fine earth levelling after, spread the black film of more than 8, ensure film wide >=2 meters, length is suitable with floating pool; 10 ~ 15 centimetres of dark clean water sources are added in floating pool.
(2) seed treatment: Pieris Formosa seed of gathering annual November to January of Second Year, remove impurity and not full seed after collecting, high quality seed cloth bag refrigerates stand-by at installing and being placed in 5 DEG C;
(3) preparation of seedling medium: by levigate to humus soil, perlite, ash and general calcium to 10 ~ 15 orders, again by humus soil: perlite: ash: the mass ratio of general calcium is that 7:3:0.5:0.5 mixes, obtain seedling medium, with the liquor potassic permanganate that mass concentration is 0.3% seedling medium watered and spill, after wetting every other day service property (quality) concentration be 2% formalin water after, raise after one week with the airtight sterilization of covered rearing with plastic film, after flavour of a drug scatter and disappear naturally, to add clear water more moistening, and maintenance and hand are pinched agglomerating, the nature that lands and scattered and be advisable; This is the seed little (4,000,000 Li/㎏) due to Pieris Formosa, common matrix such as the particle size such as soil, humus soil differs, make the porosity of the contact surface of seed and matrix excessive or too small, easily cause seed moisture content overdrying or excessively wet, thus affect germination rate and survival rate; Select above-mentioned seedling medium ensure that and condition needed for Pieris Formosa seed germination effectively improve the percentage of seedgermination of more than 35% compared with conventional seedbed system;
(4) selection of floating disc and sterilization: adopt polystyrene plastics foam drift dish (162 holes, its outside dimension is 66.5 × 35 × 5.5cm), carry out disinfection if desired: namely adopt during old drift dish and need spray with the formalin solution that mass concentration is 2%, epiphragma is stifling to be rinsed well with clear water after 2 days; Or soak 2 hours with the liquor potassic permanganate that mass concentration is 0.5%, then wash; Adopt new drift dish, namely without the need to carrying out disinfection;
(5) sabot: loaded by step (3) gained seedling medium in the cavities of step (4) drift dish, keeps the seedling medium degree of tightness in cavities moderate;
(6) sow: annual 2 ~ April, when ground temperature reaches more than 15 DEG C, Pieris Formosa seed after step (2) is processed by each cavities 10 ~ 15 be sown in the cavities seedling medium of step (5), ensure sowing depth 3 ~ 4mm, effectively can improve germination rate;
(7) setting of floating water body: drift dish level step (6) sowed puts into the floating pool of step (1), water temperature in maintenance floating pool is 25 DEG C, the depth of water is 15 centimetres, pH is 7, water in floating pool changed once every 15 days, grew to prevent liver moss; Above-mentioned condition is applicable to the germination of Pieris Formosa very much; Wherein pH is 7 is use NaHCO
3solution or HCl solution regulate;
(8) the applying of nutritive liquid for floating breeding: from sowing to emerging, Pieris Formosa needs about three months altogether, at this moment in section, according to the different requirements of Pieris Formosa to nutrient solution, is divided into two stages:
First stage: in one month after from sowing, in floating pool, apply fermentation animal wastes rich water, keep molecules of ammonia concentration 0.2 ~ 0.4 ㎎/L; Molecules of ammonia concentration natural minerals water carries out dilution and keeps;
Second stage: in the second month after from sowing, add NH in floating pool
4nO
3or CN
2h
4o, keeps molecules of ammonia concentration 0.4 ~ 0.8 ㎎/L; Molecules of ammonia concentration natural minerals water carries out dilution and keeps;
(9) liver moss control: easily grow liver moss in floating pool before seed sprouting is because of caused by the water fertilizer deficiency of pond, keeps molecules of ammonia concentration 0.2 ~ 0.8 ㎎/L, effectively can suppress moss growth with fermentation animal wastes rich water; After seed sprouting, stromal surface easily grows liver moss, that after seed sprouting, stromal surface occurs that liver moss controls not in time, liver moss can hinder the sprouting of seed and the growth of seedling after spreading and forming thin layer covering, stromal surface is adopted to spread fertilizer over the fields ash 0.2 ~ 0.3 ㎏/㎡, effectively can not only eliminate liver moss, the planting percent of more than 45% can also be improved than conventional seedbed system method;
(10) hardening: carry out hardening when the seedling of Pieris Formosa grows tall more than 3cm, during hardening, drift dish is picked up from floating pool, moving to cover shelters from heat or light in the booth of rate 70% sunshade net, being placed in place mat has on the hardening bed of 2 ~ 3cm mountain sand, sprays seedling every 10 days with composite fertilizer's solution (N:P:K=19:7:14) that mass concentration is 1 ‰; Hardening totally 20 ~ 30 days;
(11) transplant: the seedling that step (10) completes hardening is transplanted, namely completes the nursery to Pieris Formosa.
This routine germination rate, emergence rate, planting percent are respectively 83%, 74%, 95%.
Claims (9)
1. a floating seedlings culturing method for Pieris Formosa, is characterized in that through following each step:
(1) Flotage seedling raising pool is built: the floating pool building nursery routinely;
(2) seed treatment: Pieris Formosa seed of gathering annual November to January of Second Year, remove impurity and not full seed after collecting, high quality seed cloth bag refrigerates stand-by at installing and being placed in 1 ~ 5 DEG C;
(3) preparation of seedling medium: by humus soil, perlite, ash and general calcium levigate to 10 ~ 15 orders, again by humus soil: perlite: ash: the mass ratio of general calcium is (6 ~ 7): (2 ~ 3): 0.5:0.5 mixes, obtain seedling medium, with the liquor potassic permanganate that mass concentration is 0.1 ~ 0.3% seedling medium watered and spill, after wetting every other day service property (quality) concentration be 1 ~ 2% formalin water after, raise after one week with the airtight sterilization of covered rearing with plastic film, clear water is added again moistening after flavour of a drug scatter and disappear naturally, maintenance and hand are pinched agglomerating, the nature that lands scatters and is advisable,
(4) selection of floating disc and sterilization: adopt polystyrene plastics foam drift dish, carry out disinfection if desired;
(5) sabot: loaded by step (3) gained seedling medium in the cavities of step (4) drift dish, keeps the seedling medium degree of tightness in cavities moderate;
(6) sow: annual 2 ~ April, when ground temperature reaches more than 15 DEG C, the Pieris Formosa seed after step (2) is processed by each cavities 10 ~ 15 be sown in the cavities seedling medium of step (5), ensure sowing depth 3 ~ 4mm;
(7) setting of floating water body: drift dish level step (6) sowed puts into the floating pool of step (1), water temperature in maintenance floating pool is 15 ~ 25 DEG C, the depth of water is 10 ~ 15 centimetres, pH is 6.5 ~ 7, water in floating pool changed once every 10 ~ 15 days, grew to prevent liver moss;
(8) the applying of nutritive liquid for floating breeding: be divided into two stages:
First stage: in one month after from sowing, in floating pool, apply fermentation animal wastes rich water, keep molecules of ammonia concentration 0.2 ~ 0.4 ㎎/L;
Second stage: in the second month after from sowing, add NH in floating pool
4nO
3or CN
2h
4o, keeps molecules of ammonia concentration 0.4 ~ 0.8 ㎎/L;
(9) liver moss control: easily grow liver moss in floating pool before seed sprouting, after seed sprouting, stromal surface easily grows liver moss, removes in time after there is liver moss;
(10) hardening: carry out hardening when the seedling of Pieris Formosa grows tall more than 3cm, during hardening, drift dish is picked up from floating pool, moving to cover shelters from heat or light in the booth of rate 70% sunshade net, being placed in place mat has on the hardening bed of 2 ~ 3cm mountain sand, every 10 days with mass concentration be 1 ~ 2 ‰ urea or composite fertilizer's solution spray seedling; Hardening totally 20 ~ 30 days;
(11) transplant: the seedling that step (10) completes hardening is transplanted, namely completes the nursery to Pieris Formosa.
2. floating seedlings culturing method according to claim 1, it is characterized in that: the floating pool building nursery routinely of described step (1) first builds booth, and cover White plastic film and the shading screen of rate 90% of sheltering from heat or light, wide 1.4 meters, dark 20 ~ 25 centimetres, floating pool that length is identical with booth length is built in booth, at the bottom of pond with fine sand or fine earth levelling after, spread the black film of more than 8, ensure film wide >=2 meters, length is suitable with floating pool; 10 ~ 15 centimetres of dark clean water sources are added in floating pool.
3. floating seedlings culturing method according to claim 1, is characterized in that: the polystyrene plastics foam drift dish of described step (4) is 136 holes or 162 holes, and its outside dimension is 66.5 × 35 × 5.5cm.
4. floating seedlings culturing method according to claim 1, it is characterized in that: carry out disinfection if desired in described step (4) when being and adopting old drift dish and need spray with the formalin solution that mass concentration is 1 ~ 2%, epiphragma is stifling to be rinsed well with clear water after 1 ~ 2 day; Or soak 1 ~ 2 hour with the liquor potassic permanganate that mass concentration is 0.3 ~ 0.5%, then wash; Adopt new drift dish, namely without the need to carrying out disinfection.
5. floating seedlings culturing method according to claim 1, is characterized in that: in described step (7), pH is 6.5 ~ 7 is use NaHCO
3solution or HCl solution regulate.
6. floating seedlings culturing method according to claim 1, is characterized in that: the molecules of ammonia concentration natural minerals water of described step (8) carries out dilution and keeps.
7. floating seedlings culturing method according to claim 1, is characterized in that: easily grow liver moss in floating pool before the seed sprouting of described step (9), keeps molecules of ammonia concentration 0.2 ~ 0.8 ㎎/L with fermentation animal wastes rich water.
8. floating seedlings culturing method according to claim 1, is characterized in that: after the seed sprouting of described step (9), stromal surface easily grows liver moss, adopts stromal surface to spread fertilizer over the fields ash 0.2 ~ 0.3 ㎏/㎡.
9. floating seedlings culturing method according to claim 1, is characterized in that: in composite fertilizer's solution of described step (10), N:P:K ratio is 19:7:14.
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