CN110771420A - Seedling growing method for taxus chinensis - Google Patents
Seedling growing method for taxus chinensis Download PDFInfo
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- CN110771420A CN110771420A CN201911155799.0A CN201911155799A CN110771420A CN 110771420 A CN110771420 A CN 110771420A CN 201911155799 A CN201911155799 A CN 201911155799A CN 110771420 A CN110771420 A CN 110771420A
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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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- 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
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- 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
- A01C1/08—Immunising seed
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
Abstract
The invention discloses a seedling growing method of taxus chinensis, which comprises the following steps of disinfection, seed treatment, tray loading and sowing, tray floating, management after sowing, thinning and seedling filling, seedling hardening, seedling transplanting and disease control, and the method comprises the following specific steps: step 1, disinfection: spraying and disinfecting the greenhouse, the seedling raising pool, the seedling raising tray and the passageway by using disinfectant; step 2, treating seeds; step 3, loading and sowing seeds; step 4, floating the tray, and injecting pool water 2-3 days before sowing; step 5, managing after broadcasting; step 6, thinning and filling seedlings; 7, hardening seedlings; step 8, transplanting seedlings; and 9, preventing and treating the transplanted diseases. The seedling culture method can greatly shorten the dormancy stage of the red bean tree seeds, improve the germination rate and the transplanting survival rate, has quick growth, can ensure that the seedling growth amount in one year can reach the two-year growth amount of the original seedling culture method, can reach the seedling wood amount outplanting standard in one year, can reduce the seedling culture cost, simultaneously reduces the sales price of the seedlings, and is beneficial to forest farmers.
Description
Technical Field
The invention relates to the technical field of seedling raising, in particular to a seedling raising method for taxus chinensis.
Background
The red bean tree is a unique Chinese tree species, and is a rare endangered plant protected by two stages of China, and it is tough in material, beautiful in texture, bright, round, noble and elegant, and is a high-grade noble material for making and carving classical furniture, making and carving furnishing artwork, building decoration and carving, and the red bean tree body is tall and strong, and its crown is huge, and its feature point, gathering noble material, garden ornament and forest culture are integrated into one body. Along with the rise of classical furniture culture, redwood furniture such as red bean trees and the like and engraved works are highly advocated, the market demand for precious materials such as red bean trees and the like is higher and higher, the market price is higher and higher, and the increase of the number of seedlings of red bean trees in the market has important significance and application value.
The conventional seedling raising method of the red bean trees mainly adopts seed propagation and cutting propagation, aiming at the seed propagation method, because the red bean trees are late and unstable in flowering and are very precious in seed source and seed quantity, a seedling raising method with high germination rate and efficiency is needed, but the germination rate and seedling raising efficiency of the existing seedling raising method cannot meet the actual requirements.
Disclosure of Invention
The invention aims to solve the problem that the germination rate and seedling raising efficiency of a seedling raising method in the prior art are difficult to meet the actual requirements, and provides a seedling raising method for taxus chinensis.
In order to achieve the purpose, the invention adopts the following technical scheme:
a seedling growing method of taxus chinensis comprises the steps of disinfection, seed treatment, tray filling and sowing, tray floating, management after sowing, thinning and seedling supplementing, seedling hardening, seedling transplanting and disease control, and comprises the following specific steps:
step 1, disinfection: spraying and disinfecting the greenhouse, the seedling raising pool, the seedling raising tray and the passageway by using a disinfectant, and then spraying and killing insects on the facilities by using an insecticide;
step 2, treating seeds: spreading the dried taxus chinensis seeds on the ground at 20-25 ℃, drying the seeds until the seeds crack, filling the seeds into a cloth bag, and beating the seeds until the seeds are separated from shells; kneading seeds to crack seed coats, shelling, and then sieving with a 20-mesh sieve; soaking the seeds in 0.2 percent potassium permanganate for 3 hours, taking out the seeds, soaking the seeds in clear water for 10 hours, and airing the seeds; then evenly mixing the floating sand subjected to cooking sterilization and the baked brick ash passing through 20 meshes according to the volume ratio of 1:4:8 for sowing;
step 3, tray loading and seeding: filling holes of the seedling raising tray with a substrate with the water content of 40-50%, and implanting the treated seeds into the substrate to ensure that the seeds in each hole are 3-5;
step 4, floating the tray: placing the sowed seedling raising tray in pool water with the pH value of 6-6.7 and the depth of 5cm, wherein the pool water is injected 2-3 days before sowing;
step 5, managing after broadcasting: temperature management: the temperature during seed germination is controlled to be 25-28 ℃, the temperature from seedling emergence to small cross is controlled to be 25-32 ℃, and the temperature after large cross is controlled to be 28-32 ℃; humidity management: the humidity of the substrate is controlled to be 80% from sowing to seedling aligning, 70% during the small cross period and 55-65% after the large cross period; and (3) fertilizer and water management: when the seeds sprout to seedlings of 2cm, applying 200 times of liquid called as light carbon plant nutrient fertilizer, applying ternary compound fertilizer with nitrogen, phosphorus and potassium contents of 1:1:1 after 10-15 days, wherein the fertilizer water amount applied twice is equal to the water volume of the pool; spraying 1200 times diluted foliar fertilizer every 6 days, wherein the spraying time is 7-8 points in the morning;
step 6, thinning and replanting: thinning the seedlings in the small cross period and fixing the seedlings in the large cross period according to a conventional seedling growing method;
step 7, hardening seedlings: changing the fertilizer water in the seedling raising pool into clear water with the depth of 2-3cm 8-9 days before transplanting, injecting a proper amount of clear water when the water in the matrix is evaporated until the seedlings shrink, and repeating the steps for 4-5 times;
step 8, transplanting seedlings: transplanting the seedlings to a nursery land covered with a mulching film when the seedlings grow to be 12-14cm high and the diameter is 3-6mm thick; before transplanting, sufficient base fertilizer is applied to the nursery soil, and surface soil is subjected to spray disinfection treatment;
step 9, disease control after transplanting: when damping off occurs, 20000mg/L ferrous sulfate solution is adopted to spray surface soil, formalin 180 liquid is adopted to pour soil, Bordeaux solution with the ratio of 1:1:200 is adopted to spray surface soil, 60% thiophanate 800 times liquid is adopted to spray surface soil, or 40% carbendazim 1000 times liquid is adopted to spray surface soil.
Preferably, the disinfectant in the step 1 is a 200-fold liquid of 30% Yubao or a 40% bleaching powder liquid, and the pesticide is a 3000-fold liquid of 20% enemy.
Preferably, in the step 4, the nursery pond is sterilized by copper sulfate with the concentration of 2mg/L before being injected into pond water.
Preferably, in the step 5, the temperature of the germination stage of the seeds refers to the temperature of the substrate, the temperature of the small cross stage and the temperature of the large cross stage refer to the temperature of the air at a distance of 8cm above the seedlings.
Preferably, the base fertilizer in the step 8 is decomposed cattle manure, and the application amount is 1500 Kg/mu.
Preferably, the matrix in the step 3 contains 60% of peat soil, 20% of perlite and 20% of vermiculite.
Preferably, the disinfectant in the step 8 is 500 times liquid of carbendazim or dixon.
Preferably, in the step 9, when damping-off and root rot occur, ditching and draining are carried out, the plant is pulled out, and the disease hole is disinfected by lime or is watered by using 1000 times of 40% carbendazim liquid; when aphid diseases occur in the early stage, the disease parts of the plants are prevented and controlled by 60 percent of amelete 1500-fold liquid or 20 percent of imidacloprid 3000-fold liquid; if the aphid disease reaches the prevention and control standard, soaking the hot pepper with water for one day and night, filtering and spraying; or crushing tobacco, adding lime powder, and spreading completely.
Has the advantages that:
1. the seedling culture method can greatly shorten the dormancy stage of the red bean tree seeds, improve the germination rate and the transplanting survival rate, has quick growth, can ensure that the seedling growth amount in one year can reach the two-year growth amount of the original seedling culture method, can reach the seedling wood amount outplanting standard in one year, can reduce the seedling culture cost, simultaneously reduces the sales price of the seedlings, and is beneficial to forest farmers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example 1:
a seedling growing method of taxus chinensis comprises the steps of disinfection, seed treatment, tray filling and sowing, tray floating, management after sowing, thinning and seedling supplementing, seedling hardening, seedling transplanting and disease control, and comprises the following specific steps:
step 1, disinfection: spraying and disinfecting the greenhouse, the seedling raising pool, the seedling raising tray and the passageway by using a disinfectant, and then spraying and killing insects on the facilities by using an insecticide;
step 2, treating seeds: spreading the dried taxus chinensis seeds on the ground at 20-25 ℃, drying the seeds until the seeds crack, filling the seeds into a cloth bag, and beating the seeds until the seeds are separated from shells; kneading seeds to crack seed coats, shelling, and then sieving with a 20-mesh sieve; soaking the seeds in 0.2 percent potassium permanganate for 3 hours, taking out the seeds, soaking the seeds in clear water for 10 hours, and airing the seeds; then evenly mixing the floating sand subjected to cooking sterilization and the baked brick ash passing through 20 meshes according to the volume ratio of 1:4:8 for sowing;
step 3, tray loading and seeding: filling holes of the seedling raising tray with a substrate with the water content of 40-50%, and implanting the treated seeds into the substrate to ensure that the seeds in each hole are 3-5;
step 4, floating the tray: placing the sowed seedling raising tray in pool water with the pH value of 6-6.7 and the depth of 5cm, wherein the pool water is injected 2-3 days before sowing;
step 5, managing after broadcasting: temperature management: the temperature during seed germination is controlled to be 25-28 ℃, the temperature from seedling emergence to small cross is controlled to be 25-32 ℃, and the temperature after large cross is controlled to be 28-32 ℃; humidity management: the humidity of the substrate is controlled to be 80% from sowing to seedling aligning, 70% during the small cross period and 55-65% after the large cross period; and (3) fertilizer and water management: when the seeds sprout to seedlings of 2cm, applying 200 times of liquid called as light carbon plant nutrient fertilizer, applying ternary compound fertilizer with nitrogen, phosphorus and potassium contents of 1:1:1 after 10-15 days, wherein the fertilizer water amount applied twice is equal to the water volume of the pool; spraying 1200 times diluted foliar fertilizer every 6 days, wherein the spraying time is 7-8 points in the morning;
step 6, thinning and replanting: thinning the seedlings in the small cross period and fixing the seedlings in the large cross period according to a conventional seedling growing method;
step 7, hardening seedlings: changing the fertilizer water in the seedling raising pool into clear water with the depth of 2-3cm 8-9 days before transplanting, injecting a proper amount of clear water when the water in the matrix is evaporated until the seedlings shrink, and repeating the steps for 4-5 times;
step 8, transplanting seedlings: transplanting the seedlings to a nursery land covered with a mulching film when the seedlings grow to be 12-14cm high and the diameter is 3-6mm thick; before transplanting, sufficient base fertilizer is applied to the nursery soil, and surface soil is subjected to spray disinfection treatment;
step 9, disease control after transplanting: when damping off occurs, 20000mg/L ferrous sulfate solution is adopted to spray surface soil, formalin 180 liquid is adopted to pour soil, Bordeaux solution with the ratio of 1:1:200 is adopted to spray surface soil, 60% thiophanate 800 times liquid is adopted to spray surface soil, or 40% carbendazim 1000 times liquid is adopted to spray surface soil.
Example 2:
a seedling growing method of taxus chinensis comprises the steps of disinfection, seed treatment, tray filling and sowing, tray floating, management after sowing, thinning and seedling supplementing, seedling hardening, seedling transplanting and disease control, and comprises the following specific steps:
step 1, disinfection: spraying and disinfecting a greenhouse, a seedling raising pool, a seedling raising tray and a passageway by using a disinfectant, and then spraying and killing the facilities by using an insecticide, wherein the disinfectant adopts a 30% treasure raising 200-time liquid or a 40% bleaching powder liquid, and the insecticide is a 20% enemy liquid for killing 3000-time liquid;
step 2, treating seeds: spreading the dried taxus chinensis seeds on the ground at 20-25 ℃, drying the seeds until the seeds crack, filling the seeds into a cloth bag, and beating the seeds until the seeds are separated from shells; kneading seeds to crack seed coats, shelling, and then sieving with a 20-mesh sieve; soaking the seeds in 0.2 percent potassium permanganate for 3 hours, taking out the seeds, soaking the seeds in clear water for 10 hours, and airing the seeds; then evenly mixing the floating sand subjected to cooking sterilization and the baked brick ash passing through 20 meshes according to the volume ratio of 1:4:8 for sowing;
step 3, tray loading and seeding: filling holes of the seedling raising tray with a matrix with the water content of 40-50%, implanting the treated seeds into the matrix, and ensuring that the seeds in each hole are 3-5, wherein the matrix contains 60% of peat soil, 20% of perlite and 20% of vermiculite;
step 4, floating the tray: placing the sowed seedling raising tray in pool water with the pH value of 6-6.7 and the depth of 5cm, injecting the pool water 2-3 days before sowing, and sterilizing the seedling raising pool by using copper sulfate with the concentration of 2mg/L before injecting the pool water;
step 5, managing after broadcasting: temperature management: the temperature during seed germination is controlled to be 25-28 ℃, the temperature from seedling emergence to small cross is controlled to be 25-32 ℃, and the temperature after large cross is controlled to be 28-32 ℃; humidity management: the humidity of the substrate is controlled to be 80% from sowing to seedling aligning, 70% during the small cross period and 55-65% after the large cross period; and (3) fertilizer and water management: when the seeds sprout to seedlings of 2cm, applying 200 times of liquid called as light carbon plant nutrient fertilizer, applying ternary compound fertilizer with nitrogen, phosphorus and potassium contents of 1:1:1 after 10-15 days, wherein the fertilizer water amount applied twice is equal to the water volume of the pool; spraying 1200 times diluted foliar fertilizer every 6 days, wherein the spraying time is 7-8 points in the morning;
step 6, thinning and replanting: thinning the seedlings in the small cross period and fixing the seedlings in the large cross period according to a conventional seedling growing method;
step 7, hardening seedlings: changing the fertilizer water in the seedling raising pool into clear water with the depth of 2-3cm 8-9 days before transplanting, injecting a proper amount of clear water when the water in the matrix is evaporated until the seedlings shrink, and repeating the steps for 4-5 times;
step 8, transplanting seedlings: transplanting the seedlings to a nursery land covered with a mulching film when the seedlings grow to be 12-14cm high and the diameter is 3-6mm thick; before transplanting, sufficient base fertilizer is applied to the nursery soil, and surface soil is subjected to spray disinfection treatment;
step 9, disease control after transplanting: when damping off occurs, 20000mg/L ferrous sulfate solution is adopted to spray surface soil, formalin 180 liquid is adopted to pour soil, Bordeaux solution with the ratio of 1:1:200 is adopted to spray surface soil, 60% thiophanate 800 times liquid is adopted to spray surface soil, or 40% carbendazim 1000 times liquid is adopted to spray surface soil.
Example 3:
a seedling growing method of taxus chinensis comprises the steps of disinfection, seed treatment, tray filling and sowing, tray floating, management after sowing, thinning and seedling supplementing, seedling hardening, seedling transplanting and disease control, and comprises the following specific steps:
step 1, disinfection: spraying and disinfecting a greenhouse, a seedling raising pool, a seedling raising tray and a passageway by using a disinfectant, and then spraying and killing the facilities by using an insecticide, wherein the disinfectant adopts a 30% treasure raising 200-time liquid or a 40% bleaching powder liquid, and the insecticide is a 20% enemy liquid for killing 3000-time liquid;
step 2, treating seeds: spreading the dried taxus chinensis seeds on the ground at 20-25 ℃, drying the seeds until the seeds crack, filling the seeds into a cloth bag, and beating the seeds until the seeds are separated from shells; kneading seeds to crack seed coats, shelling, and then sieving with a 20-mesh sieve; soaking the seeds in 0.2 percent potassium permanganate for 3 hours, taking out the seeds, soaking the seeds in clear water for 10 hours, and airing the seeds; then evenly mixing the floating sand subjected to cooking sterilization and the baked brick ash passing through 20 meshes according to the volume ratio of 1:4:8 for sowing;
step 3, tray loading and seeding: filling holes of the seedling raising tray with a matrix with the water content of 40-50%, implanting the treated seeds into the matrix, and ensuring that the seeds in each hole are 3-5, wherein the matrix contains 60% of peat soil, 20% of perlite and 20% of vermiculite;
step 4, floating the tray: placing the sowed seedling raising tray in pool water with the pH value of 6-6.7 and the depth of 5cm, injecting the pool water 2-3 days before sowing, and sterilizing the seedling raising pool by using copper sulfate with the concentration of 2mg/L before injecting the pool water;
step 5, managing after broadcasting: temperature management: the temperature during seed germination is controlled to be 25-28 ℃, the temperature from seedling emergence to small cross is controlled to be 25-32 ℃, and the temperature after large cross is controlled to be 28-32 ℃; humidity management: the humidity of the substrate is controlled to be 80% from sowing to seedling aligning, 70% during the small cross period and 55-65% after the large cross period; and (3) fertilizer and water management: when the seeds sprout to seedlings of 2cm, applying 200 times of liquid called as light carbon plant nutrient fertilizer, applying ternary compound fertilizer with nitrogen, phosphorus and potassium contents of 1:1:1 after 10-15 days, wherein the fertilizer water amount applied twice is equal to the water volume of the pool; spraying 1200 times diluted foliar fertilizer every 6 days, wherein the spraying time is 7-8 points in the morning, and the temperature of the seed germination stage refers to the temperature of the matrix, and the temperature of the small cross stage and the temperature of the large cross stage refer to the temperature of the air 8cm above the seedlings;
step 6, thinning and replanting: thinning the seedlings in the small cross period and fixing the seedlings in the large cross period according to a conventional seedling growing method;
step 7, hardening seedlings: changing the fertilizer water in the seedling raising pool into clear water with the depth of 2-3cm 8-9 days before transplanting, injecting a proper amount of clear water when the water in the matrix is evaporated until the seedlings shrink, and repeating the steps for 4-5 times;
step 8, transplanting seedlings: transplanting the seedlings to a nursery land covered with a mulching film when the seedlings grow to be 12-14cm high and the diameter is 3-6mm thick; before transplanting, sufficient base fertilizer is applied to the nursery soil, surface soil is subjected to spray disinfection treatment, the base fertilizer is decomposed cattle manure, the application amount is 1500 Kg/mu, and the disinfectant is 500 times of carbendazim or fenaminosulf;
step 9, disease control after transplanting: when damping off occurs, spraying surface soil with 20000mg/L ferrous sulfate solution, or pouring soil with formalin 180 liquid, or spraying surface soil with Bordeaux solution at a ratio of 1:1:200, or spraying surface soil with 60% thiophanate 800 times liquid, or spraying surface soil with 40% carbendazim 1000 times liquid, when damping-off and root rot occur, ditching, draining water, pulling out diseased plants, disinfecting diseased holes with lime, or pouring disease holes with 40% carbendazim 1000 times liquid; when aphid diseases occur in the early stage, the disease parts of the plants are prevented and controlled by 60 percent of amelete 1500-fold liquid or 20 percent of imidacloprid 3000-fold liquid; if the aphid disease reaches the prevention and control standard, soaking the hot pepper with water for one day and night, filtering and spraying; or crushing tobacco, adding lime powder, and spreading completely.
In the embodiment, the seedling culture method can greatly shorten the dormancy stage of the red bean tree seeds, improve the germination rate and the transplanting survival rate, has fast growth, can ensure that the seedling growth amount in one year can reach the two-year growth amount of the original seedling culture method, can reach the seedling wood amount outplanting standard in one year, can reduce the seedling culture cost, simultaneously reduces the sales price of the seedlings, and is beneficial to forest farmers.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A seedling growing method of taxus chinensis comprises the steps of disinfection, seed treatment, tray filling and sowing, tray floating, management after sowing, thinning and seedling supplementing, seedling hardening, seedling transplanting and disease control, and is characterized by comprising the following specific steps:
step 1, disinfection: spraying and disinfecting the greenhouse, the seedling raising pool, the seedling raising tray and the passageway by using a disinfectant, and then spraying and killing insects on the facilities by using an insecticide;
step 2, treating seeds: spreading the dried taxus chinensis seeds on the ground at 20-25 ℃, drying the seeds until the seeds crack, filling the seeds into a cloth bag, and beating the seeds until the seeds are separated from shells; kneading seeds to crack seed coats, shelling, and then sieving with a 20-mesh sieve; soaking the seeds in 0.2 percent potassium permanganate for 3 hours, taking out the seeds, soaking the seeds in clear water for 10 hours, and airing the seeds; then evenly mixing the floating sand subjected to cooking sterilization and the baked brick ash passing through 20 meshes according to the volume ratio of 1:4:8 for sowing;
step 3, tray loading and seeding: filling holes of the seedling raising tray with a substrate with the water content of 40-50%, and implanting the treated seeds into the substrate to ensure that the seeds in each hole are 3-5;
step 4, floating the tray: placing the sowed seedling raising tray in pool water with the pH value of 6-6.7 and the depth of 5cm, wherein the pool water is injected 2-3 days before sowing;
step 5, managing after broadcasting: temperature management: the temperature during seed germination is controlled to be 25-28 ℃, the temperature from seedling emergence to small cross is controlled to be 25-32 ℃, and the temperature after large cross is controlled to be 28-32 ℃; humidity management: the humidity of the substrate is controlled to be 80% from sowing to seedling aligning, 70% during the small cross period and 55-65% after the large cross period; and (3) fertilizer and water management: when the seeds sprout to seedlings of 2cm, applying 200 times of liquid called as light carbon plant nutrient fertilizer, applying ternary compound fertilizer with nitrogen, phosphorus and potassium contents of 1:1:1 after 10-15 days, wherein the fertilizer water amount applied twice is equal to the water volume of the pool; spraying 1200 times diluted foliar fertilizer every 6 days, wherein the spraying time is 7-8 points in the morning;
step 6, thinning and replanting: thinning the seedlings in the small cross period and fixing the seedlings in the large cross period according to a conventional seedling growing method;
step 7, hardening seedlings: changing the fertilizer water in the seedling raising pool into clear water with the depth of 2-3cm 8-9 days before transplanting, injecting a proper amount of clear water when the water in the matrix is evaporated until the seedlings shrink, and repeating the steps for 4-5 times;
step 8, transplanting seedlings: transplanting the seedlings to a nursery land covered with a mulching film when the seedlings grow to be 12-14cm high and the diameter is 3-6mm thick; before transplanting, sufficient base fertilizer is applied to the nursery soil, and surface soil is subjected to spray disinfection treatment;
step 9, disease control after transplanting: when damping off occurs, 20000mg/L ferrous sulfate solution is adopted to spray surface soil, formalin 180 liquid is adopted to pour soil, Bordeaux solution with the ratio of 1:1:200 is adopted to spray surface soil, 60% thiophanate 800 times liquid is adopted to spray surface soil, or 40% carbendazim 1000 times liquid is adopted to spray surface soil.
2. The seedling growing method of taxus chinensis as claimed in claim 1, which is characterized in that: the disinfectant in the step 1 is 30% Yubao 200 times liquid or 40% bleaching powder liquid, and the pesticide is 20% enemy liquid for killing 3000 times liquid.
3. The seedling growing method of taxus chinensis as claimed in claim 1, which is characterized in that: in the step 4, the seedling raising pond is sterilized by copper sulfate with the concentration of 2mg/L before being injected into pond water.
4. The seedling growing method of taxus chinensis as claimed in claim 1, which is characterized in that: in the step 5, the temperature of the germination stage of the seeds refers to the temperature of the matrix, the temperature of the small cross stage and the temperature of the large cross stage refer to the temperature of air at a position 8cm above the seedlings.
5. The seedling growing method of taxus chinensis as claimed in claim 1, which is characterized in that: the base fertilizer in the step 8 is decomposed cattle manure, and the application amount is 1500 Kg/mu.
6. The seedling growing method of taxus chinensis as claimed in claim 1, which is characterized in that: the matrix in the step 3 comprises 60% of peat soil, 20% of perlite and 20% of vermiculite.
7. The seedling growing method of taxus chinensis as claimed in claim 1, which is characterized in that: the disinfectant in the step 8 is 500 times of carbendazim liquid or fenaminosulf.
8. The seedling growing method of taxus chinensis as claimed in claim 1, which is characterized in that: in the step 9, when damping-off and root rot occur, ditching, draining, pulling out a diseased plant, and disinfecting the diseased hole with lime or watering the diseased hole with 1000 times of 40% carbendazim liquid; when aphid diseases occur in the early stage, the disease parts of the plants are prevented and controlled by 60 percent of amelete 1500-fold liquid or 20 percent of imidacloprid 3000-fold liquid; if the aphid disease reaches the prevention and control standard, soaking the hot pepper with water for one day and night, filtering and spraying; or crushing tobacco, adding lime powder, and spreading completely.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113841556A (en) * | 2021-01-22 | 2021-12-28 | 广东省林业科学研究院 | Cultivation method of Chinese fir seedlings |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113841556A (en) * | 2021-01-22 | 2021-12-28 | 广东省林业科学研究院 | Cultivation method of Chinese fir seedlings |
| CN113841556B (en) * | 2021-01-22 | 2023-08-15 | 广东省林业科学研究院 | Cultivation method of fir seedlings |
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Application publication date: 20200211 |