CN115316198A - Pennisetum artificial planting method - Google Patents
Pennisetum artificial planting method Download PDFInfo
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- CN115316198A CN115316198A CN202211132033.2A CN202211132033A CN115316198A CN 115316198 A CN115316198 A CN 115316198A CN 202211132033 A CN202211132033 A CN 202211132033A CN 115316198 A CN115316198 A CN 115316198A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 241000209046 Pennisetum Species 0.000 title claims description 20
- 239000002689 soil Substances 0.000 claims abstract description 39
- 238000009331 sowing Methods 0.000 claims abstract description 23
- 244000062720 Pennisetum compressum Species 0.000 claims abstract description 21
- 230000006698 induction Effects 0.000 claims abstract description 11
- 230000035784 germination Effects 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 241000283690 Bos taurus Species 0.000 claims abstract description 7
- TWFZGCMQGLPBSX-UHFFFAOYSA-N Carbendazim Natural products C1=CC=C2NC(NC(=O)OC)=NC2=C1 TWFZGCMQGLPBSX-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 7
- 239000003899 bactericide agent Substances 0.000 claims abstract description 7
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 claims abstract description 7
- 229910000389 calcium phosphate Inorganic materials 0.000 claims abstract description 7
- JNPZQRQPIHJYNM-UHFFFAOYSA-N carbendazim Chemical compound C1=C[CH]C2=NC(NC(=O)OC)=NC2=C1 JNPZQRQPIHJYNM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000006013 carbendazim Substances 0.000 claims abstract description 7
- 210000003608 fece Anatomy 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000010871 livestock manure Substances 0.000 claims abstract description 7
- 235000019691 monocalcium phosphate Nutrition 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 7
- 239000010902 straw Substances 0.000 claims abstract description 7
- 239000003337 fertilizer Substances 0.000 claims abstract description 5
- 239000003415 peat Substances 0.000 claims abstract description 5
- 235000019362 perlite Nutrition 0.000 claims abstract description 5
- 239000010451 perlite Substances 0.000 claims abstract description 5
- 238000004382 potting Methods 0.000 claims abstract description 5
- 238000010899 nucleation Methods 0.000 claims abstract description 4
- 241000196324 Embryophyta Species 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 235000016709 nutrition Nutrition 0.000 claims description 13
- 230000035764 nutrition Effects 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 claims description 11
- 238000002791 soaking Methods 0.000 claims description 10
- 241000607479 Yersinia pestis Species 0.000 claims description 6
- 201000010099 disease Diseases 0.000 claims description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000007873 sieving Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 230000001954 sterilising effect Effects 0.000 claims description 4
- 238000012876 topography Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 241000238631 Hexapoda Species 0.000 claims description 3
- 230000004083 survival effect Effects 0.000 abstract description 5
- 244000088401 Pyrus pyrifolia Species 0.000 abstract description 3
- 235000001630 Pyrus pyrifolia var culta Nutrition 0.000 abstract description 3
- 238000004659 sterilization and disinfection Methods 0.000 abstract 1
- 238000009395 breeding Methods 0.000 description 4
- 230000001488 breeding effect Effects 0.000 description 3
- 239000001963 growth medium Substances 0.000 description 3
- 230000007226 seed germination Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000019750 Crude protein Nutrition 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 244000309146 drought grass Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000002337 glycosamines Chemical class 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 235000019629 palatability Nutrition 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- 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
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
-
- 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
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
-
- 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
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
- A01G24/15—Calcined rock, e.g. perlite, vermiculite or clay aggregates
-
- 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
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/28—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing peat, moss or sphagnum
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G1/00—Mixtures of fertilisers belonging individually to different subclasses of C05
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Soil Sciences (AREA)
- Organic Chemistry (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention relates to the field of pennisetum alopecuroides planting, in particular to a pennisetum alopecuroides artificial planting method, which adopts a biological bactericide Serenadesoil to realize sterilization and disinfection of soil of a planting field; adopting decomposed pig and cattle manure, decomposed straw powder and calcium superphosphate as base fertilizers; peat, garden soil and perlite are used as hole seeding substrates; the seed is soaked in 500 times of carbendazim solution added with the Nashi simultaneous induction liquid at the temperature of about 25 ℃, the seeds are treated at the temperature of 30 ℃ in the daytime and 20 ℃ at night, and the germination rate of the pennisetum alopecuroides seeds can be increased to 93-97 percent, the propagation coefficient is 90-110 percent, and the survival rate of the seedlings is close to 100 percent by cooperating with reasonable selection of the sowing period and the design of thinning, potting and pot changing modes.
Description
Technical Field
The invention relates to the field of pennisetum alopecuroides planting, in particular to a pennisetum alopecuroides artificial planting method.
Background
The pennisetum alopecuroides is also named as bamboo grass or pennisetum hydridum, is perennial herbaceous plant with wide adaptability, strong stress resistance, high crude protein, amino acid and sugar content, has the characteristics of developed root system, drought resistance, waterlogging resistance, high growth speed, high yield, rich nutrition, good palatability and the like, is widely used as breeding feed, is suitable for feeding various poultry and livestock, can also be used for greening slope protection construction, can fix soil and protect slope, prevents water and soil loss and protects ecological environment.
At present, pennisetum alopecuroides is mainly bred in two modes of seeding and seedling raising and plant division and seedling raising, and applicants find that the problems of low seed germination rate, low seedling survival rate, low propagation coefficient and the like generally exist in the breeding process of pennisetum alopecuroides.
Disclosure of Invention
In order to solve the technical problems, the invention provides a pennisetum artificial planting method which can obviously improve the seed germination rate, the seedling survival rate and the propagation coefficient of pennisetum.
In order to achieve the purpose, the invention adopts the following technical scheme:
a pennisetum manual planting method comprises the following steps:
s1, soil preparation and bed making
Selecting land blocks with mild topography, good drainage and soil quality of loam or sandy loam, applying a proper amount of biological bactericide Serenadesoil for fine cultivation per mu, standing for 1 week, applying 1200kg of decomposed pig and cattle manure, 45-55 kg of decomposed straw powder, 15-20 kg of calcium superphosphate, soil preparation, 1.5m of ridge width and 60cm of footpath between ridges;
s2, substrate preparation
Mixing peat, garden soil and perlite in a volume ratio of 2: 0.5, sieving by a sieve of 10 meshes, sterilizing and killing insects;
s3, seed treatment
Selecting high-quality pennisetum seeds, soaking the pennisetum seeds in 500 times of carbendazim solution added with the induction liquid of the Nahlziq at about 25 ℃ for 10-15 min, taking out the pennisetum seeds, placing the pennisetum seeds in a germination accelerating box, and carrying out temperature change treatment at 30 ℃ in the daytime and 20 ℃ at night until the seeds are exposed to white;
s4, sowing period
The open field sowing is preferably carried out in the depth of 5cm of soil at the temperature of more than 15 ℃; the plug seeding is carried out in the greenhouse from 1 to 2 ten days in the middle of the month;
s5, sowing
The sowing quantity is 5000 effective seeds per square meter when sowing and raising seedlings on open field; the plug seedling adopts a plug of 72-128 holes, and 2-3 plugs are sowed in each hole;
when sowing seeds and 10-mesh sand in the open field, the seed and the sand are mixed according to the proportion of 1:4, mixing, sowing, covering with 10 meshes of fine soil with the thickness of 3-5 mm, compacting, and spraying water; the plug seedling is required to be dibbled in the center of a plug, and is covered with 10 meshes of mixed matrix of 3 mm-5 mm, and then water is sprayed;
s6, thinning
When the seedlings grow to 1 leaf and 1 heart, thinning the seedlings, and keeping the seedlings in the open field at the interval of 2cm multiplied by 2 cm; one for each hole of the plug seedlings;
s7, washing the basin
When the seedlings grow to 4-6 leaves, the seedlings are potted, a nutrition pot with the length of 8cm multiplied by 8cm is adopted, sufficient water is poured 1-2 days before potting, and the seedlings are transplanted with soil and planted at any time; adding 3kg/m into the transplanting substrate 3 N-P of 2 O 5 -K 2 Compound fertilizer with O proportion of 12-10-10;
s8, changing the basin
Changing pots for the first time when the seedlings tillering reaches 5, and using a nutrition pot of 15cm multiplied by 15 cm; and (3) carrying out second pot replacement when the seedlings reach 12-15 tillers, using a 30cm multiplied by 30cm nutrition pot, adopting turf and garden soil as a culture medium in a volume ratio of 1.
Furthermore, when the seedlings are cultivated in a greenhouse, the temperature at night is not lower than 12 ℃, the temperature in the daytime is not higher than 35 ℃, the relative air humidity is not lower than 40%, the diseases, pests and weeds are prevented and removed in time, and weak plants are removed.
Further, the concentration of the induction solution for naesli in the seed soaking agent is 7%
The present invention has the following advantageous effects
The germination rate of the pennisetum alopecuroides seeds can be increased to 93-97%, the propagation coefficient is increased to 90-110, and the seedling survival rate is close to 100%.
Detailed Description
In order to make the objects and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Example 1
A pennisetum artificial planting method comprises the following steps:
s1, soil preparation and bed making
Selecting a land block with mild topography, good drainage and soil quality of loam or sandy loam, applying 2kg of biological bactericide Serenadesoil to each mu of land for fine cultivation, standing for 1 week, applying 1200kg of thoroughly decomposed pig and cattle manure, 45kg of thoroughly decomposed straw powder, 15kg of calcium superphosphate to each mu of land, preparing the land, wherein the width of the furrows is 1.5m, and 60cm footpaths are reserved among the furrows;
s2, seed treatment
Selecting high-quality pennisetum alopecuroides seeds, soaking 500 times of carbendazim solution added with the induction liquid of the Nahlziqi in a germination accelerating box at 25 ℃ for 10min, taking out the pennisetum alopecuroides seeds, placing the pennisetum alopecuroides in the germination accelerating box at 30 ℃ in the daytime and 20 ℃ at night until the seeds are exposed to white; wherein, in the seed soaking agent, the concentration of the induction liquid of the Nashqizi-ziqi is 7 percent;
s3, sowing
The method is carried out in the depth of 5cm of soil and at the temperature of more than 15 ℃, and seeds and 10-mesh sand are mixed according to the proportion of 1:4, sowing after mixing, covering with 10 meshes of fine soil for 3mm, and spraying water after compacting, wherein the sowing amount is 5000 effective seeds per square meter;
s4, thinning the seedlings
Thinning when the seedling grows to 1 leaf and 1 heart, and reserving the seedling at the interval of 2cm multiplied by 2cm when the seedling grows to the open field;
s5, field management
Preventing and killing diseases, pests and weeds in time and removing weak plants.
Example 2
A pennisetum manual planting method comprises the following steps:
s1, soil preparation and bed making
Selecting a plot with mild terrain, good drainage and soil quality of loam or sandy loam, applying 3kg of biological bactericide Serenadesoil for fine cultivation per mu, standing for 1 week, applying 1200kg of decomposed pig and cattle manure, 50kg of decomposed straw powder, 17.5kg of calcium superphosphate, preparing land, wherein the width of each furrow is 1.5m, and a 60cm footpath is reserved between the furrows;
s2, seed treatment
Selecting high-quality pennisetum alopecuroides seeds, soaking 500 times of carbendazim solution added with the induction liquid of the Nahlziqi in a germination accelerating box at 25 ℃ for 12min, taking out the pennisetum alopecuroides seeds, placing the pennisetum alopecuroides in the germination accelerating box at 30 ℃ in the daytime and 20 ℃ at night until the seeds are exposed to white; wherein, in the seed soaking agent, the concentration of the induction liquid of the Nashqizi-ziqi is 7 percent;
s3, sowing
The method is carried out in the depth of 5cm of soil and at the temperature of more than 15 ℃, and seeds and 10-mesh sand are mixed according to the proportion of 1:4, sowing after mixing, covering with 10 meshes of fine soil for 4mm, and spraying water after compacting, wherein the sowing quantity is 5000 effective seeds per square meter;
s4, thinning
When the seedlings grow to 1 leaf and 1 heart, thinning the seedlings, and keeping the seedlings in the open field at the interval of 2cm multiplied by 2 cm;
s5, field management
Preventing and killing diseases, pests and weeds in time and removing weak plants.
Example 3
A pennisetum artificial planting method comprises the following steps:
s1, soil preparation and bed making
Selecting land blocks with mild topography, good drainage and soil quality of loam or sandy loam, applying 3kg of biological bactericide Serenadesoil for fine cultivation per mu, standing for 1 week, applying 1200kg of decomposed pig and cattle manure, 55kg of decomposed straw powder, 20kg of calcium superphosphate, preparing land, wherein the width of each furrow is 1.5m, and a 60cm footpath is reserved between the furrows;
s2, substrate preparation
Mixing peat, garden soil and perlite in a volume ratio of 2: mixing at a ratio of 0.5, sieving with 10 mesh sieve, sterilizing, and killing parasite;
s3, seed treatment
Selecting high-quality pennisetum seeds, soaking 500 times of carbendazim solution added with the Nashi ziqi induction solution at 25 ℃ for 15min, taking out, placing in a germination accelerating box, and carrying out temperature change treatment at 30 ℃ in the day and 20 ℃ at night until the seeds are exposed to white;
s4, sowing
The method is carried out in a greenhouse from 1 middle ten to 2 middle ten days of the month, plug seedling adopts a plug of 128 plugs, 3 plugs are sowed in each plug, the plug is sowed in the center of the plug, 10 meshes of mixed matrix are covered for 5mm, and then water is sprayed;
s5, thinning
Thinning when the seedling grows to 1 leaf and 1 heart, and reserving the seedling at the interval of 2cm multiplied by 2cm when the seedling grows to the open field;
s6, washing the basin
When the seedlings grow to 4-6 leaves, the seedlings are potted, a nutrition pot with the length of 8cm multiplied by 8cm is adopted, sufficient water is poured 1-2 days before potting, the seedlings are transplanted with soil, the seedlings are planted along with the soil, the seedlings are planted on the ridges according to the specification of the row spacing of 45cm and the plant spacing of 25cm, and the water is poured thoroughly; adding 3kg/m into the transplanting substrate 3 N-P of 2 O 5 -K 2 Compound fertilizer with O proportion of 12-10-10;
s7, changing the basin
Changing pots for the first time when the seedlings tillering reaches 5, and using a nutrition pot of 15cm multiplied by 15 cm; performing second pot replacement when the seedlings reach 12-15 tillers, using a 30cm × 30cm nutrition pot, adopting turf and garden soil as a culture medium in a volume ratio of 1; when the seedlings are cultivated in a greenhouse, the temperature is not lower than 12 ℃ at night, the temperature is not higher than 35 ℃ in the daytime, the relative air humidity is not lower than 40%, the diseases, the pests and the weeds are prevented and removed in time, and the weak plants are removed.
Example 4
A pennisetum artificial planting method comprises the following steps:
s1, soil preparation and bed making
Selecting a plot with mild terrain, good drainage and soil quality of loam or sandy loam, applying 2kg of biological bactericide Serenadesoil for fine cultivation per mu, standing for 1 week, applying 1200kg of decomposed pig and cattle manure, 50kg of decomposed straw powder, 17.5kg of calcium superphosphate, preparing land, wherein the width of each furrow is 1.5m, and a 60cm footpath is reserved between the furrows;
s2, preparing the substrate
Mixing peat, garden soil and perlite in a volume ratio of 2: 0.5, sieving by a sieve of 10 meshes, sterilizing and killing insects;
s3, seed treatment
Selecting high-quality pennisetum seeds, soaking 500 times of carbendazim solution added with the Nashi ziqi induction solution at 25 ℃ for 12min, taking out, placing in a germination accelerating box, and carrying out temperature change treatment at 30 ℃ in the day and 20 ℃ at night until the seeds are exposed to white;
s4, sowing
The seedling culture is carried out in the greenhouse from 1 middle ten days of the month to 2 middle ten days of the month, a plug seedling with 100 plugs is adopted, 2 grains are sowed in each plug, the center of each plug is sowed with the seeds, and water is sprayed after 10 meshes of mixed matrix are covered for 4 mm;
s5, thinning
Thinning when the seedling grows to 1 leaf and 1 heart, and reserving the seedling at the interval of 2cm multiplied by 2cm when the seedling grows to the open field;
s6, washing the basin
The seedlings are potted when the seedlings grow to 4-6 leaves, a nutrition pot with the length of 8cm multiplied by 8cm is adopted, enough water is poured 1-2 days before potting, the seedlings are transplanted with soil mass, the seedlings are planted on the furrows along with the planting, the seedling spacing is 45cm, and the planting spacing is 22cm, and the seedlings are watered thoroughly; adding 3kg/m into the transplanting substrate 3 N-P of 2 O 5 -K 2 Compound fertilizer with O proportion of 12-10-10;
s7, changing the basin
Changing pots for the first time when the seedlings tillering reaches 5, and using a nutrition pot of 15cm multiplied by 15 cm; performing second pot replacement when the seedlings reach 12-15 tillers, using a 30cm × 30cm nutrition pot, adopting turf and garden soil as a culture medium in a volume ratio of 1; when the seedlings are cultivated in a greenhouse, the temperature is not lower than 12 ℃ at night, the temperature is not higher than 35 ℃ in the daytime, the relative air humidity is not lower than 40%, the diseases, the pests and the weeds are prevented and removed in time, and the weak plants are removed.
Experiments show that the seed germination rate of the pennisetum alopecuroides can be increased to 93-97% by adopting the seed treatment method disclosed by the invention.
Meanwhile, the pennisetum alopecuroides breeding method is adopted to breed pennisetum alopecuroides, the survival rate of seedlings is close to 100%, and the breeding coefficient is about 90-110.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (3)
1. A pennisetum artificial planting method is characterized by comprising the following steps:
s1, soil preparation and bed making
Selecting a plot with mild topography, good drainage and soil quality of loam or sandy loam, applying a proper amount of biological bactericide Serenadesoil to each mu of land for fine cultivation, standing for 1 week, applying 1200kg of thoroughly decomposed pig and cattle manure, 45-55 kg of thoroughly decomposed straw powder, 15-20 kg of calcium superphosphate, soil preparation, 1.5m of ridge width, and leaving a 60cm footpath between ridges;
s2, substrate preparation
Mixing peat, garden soil and perlite in a volume ratio of 2: 0.5, sieving by a sieve of 10 meshes, sterilizing and killing insects;
s3, seed treatment
Selecting high-quality pennisetum seeds, soaking the pennisetum seeds in 500 times of carbendazim solution added with the induction liquid of the Nahlziq at 25 ℃ for 10-15 min, taking out the pennisetum seeds, placing the pennisetum seeds in a germination accelerating box, and carrying out temperature change treatment at 30 ℃ in the daytime and 20 ℃ at night until the seeds are exposed to white;
s4, sowing period
The open field sowing is preferably carried out in the depth of 5cm of soil at the temperature of more than 15 ℃; the plug seeding is carried out in the greenhouse from 1 to 2 ten days in the middle of the month;
s5, sowing
The sowing quantity is 5000 effective seeds per square meter when sowing and raising seedlings on open field; the plug seedling adopts a plug of 72-128 holes, and 2-3 plugs are sowed in each hole;
when sowing seeds on the open field, the seeds and 10-mesh sand are mixed according to the proportion of 1:4, mixing, sowing, covering with 10 meshes of fine soil with the thickness of 3-5 mm, compacting, and spraying water; the plug seedling is required to be dibbled in the center of a plug, and is covered with 10 meshes of mixed matrix of 3 mm-5 mm, and then water is sprayed;
s6, thinning
When the seedlings grow to 1 leaf and 1 heart, thinning the seedlings, and keeping the seedlings in the open field at the interval of 2cm multiplied by 2 cm; one for each hole of the plug seedlings;
s7, washing the basin
When the seedlings grow to 4-6 leaves, the seedlings are potted, a nutrition pot with the length of 8cm multiplied by 8cm is adopted, sufficient water is poured 1-2 days before potting, and the seedlings are transplanted with soil mass and are planted along with the seedlings; adding 3kg/m into the transplanting substrate 3 N-P of 2 O 5 -K 2 Compound fertilizer with O proportion of 12-10-10;
s8, changing the basin
Changing pots for the first time when the seedlings reach 5 tillers, and using a nutrition pot of 15cm multiplied by 15 cm; and (3) changing the pot for the second time when the seedlings reach 12-15 tillers, using a 30cm × 30cm nutrition pot, adopting turf and garden soil as a cultivation medium in a volume ratio of 1.
2. The artificial pennisetum alopecuroides planting method as claimed in claim 1, wherein the temperature of seedlings is not lower than 12 ℃ at night, not higher than 35 ℃ in the day and the relative air humidity is not lower than 40% when the seedlings are cultivated in the greenhouse, so that the diseases, pests and weeds can be prevented and the weak plants can be removed in time.
3. The artificial pennisetum alopecuroides planting method according to claim 1, wherein the concentration of the induction solution of naesqui in the seed soaking agent is 7%.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115968766A (en) * | 2023-03-21 | 2023-04-18 | 中国科学院昆明植物研究所 | Breeding method of vicarious crabapples of extremely small population |
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