CN112205189A - Asexual propagation method for broad-leaved indocalamus seedlings - Google Patents
Asexual propagation method for broad-leaved indocalamus seedlings Download PDFInfo
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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
- A01G2/00—Vegetative propagation
- A01G2/10—Vegetative propagation by means of cuttings
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention discloses a method for asexual propagation of broad-leaved indocalamus seedlings, which now provides the following scheme: comprises the following steps of (1) selecting seedling taking places: selecting a land section which is relatively flat, fertile in soil layer, large in area, convenient to transport and vigorous in seedling growth as a seedling taking land; (2) seedling requirements are as follows: selecting 1-3-year-old newborn broad-leaved indocalamus seedlings, taking 2-4 plants/stump of the mixed seedlings, enabling the seedlings of the selected mixed seedlings to grow normally, enabling dry rhizomes to be strong and free of mechanical damage, enabling fibrous roots to be rich and provided with penis buds, reserving the soil on the bamboo stumps, and cutting off the seedling stems at the positions 50cm high. The asexual propagation method of the broad-leaved indocalamus seedlings improves the rooting rate of the seedlings through moisturizing and pruning treatment; the seedling is tightly filled by ensuring that the root system is stretched and the soil is in close contact during planting, suspension is avoided, water drawing is smooth, and the normal growth of the broad-leaved indocalamus seedlings is ensured; through systematic management of soil loosening and weeding, water and fertilization after planting, the growth uniformity among the seedlings of the Indocalamus latifolius is guaranteed.
Description
Technical Field
The invention relates to the technical field of seedling asexual propagation, in particular to a method for asexual propagation of broadleaf indocalamus seedlings.
Background
Indocalamus tessellates are shrub-shaped or shrub-shaped bamboos and are widely distributed in the southern area of Changjiang river in China, wild Indocalamus tessellates have the characteristics of rich resources, wide application and higher economic value, plants can be used for landscaping to beautify the environment, leaves can be used as food packages or food trays and also can be used as production raw materials of Indocalamus tessellates wine, feed or paper products, the food processed and packaged in Indocalamus tessellates is favored by consumers in the market, and in order to meet consumption requirements, artificial introduction and cultivation are common planting modes.
The existing asexual propagation method of the broad-leaved indocalamus seedlings does not regularly check humidity and spray water for moisturizing through moisturizing and pruning treatment, and can not remove new buds from the base of the grafting in time for multiple times, so that the new buds and the scions compete for nutrients, and the rooting rate of the seedlings is reduced; the seedlings cannot be tightly filled, are easy to suspend to influence normal water drawing, and the seedlings of the broad leaf indocalamus calamus cannot grow normally; the seedling variety, quality, cultivation mode and tending management are not systematically standardized, so that the growing condition is irregular to influence the uniformity of the growth among the seedlings of the indocalamus latifolius.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for asexual propagation of broad-leaved indocalamus seedlings, which comprises the steps of moisturizing and pruning, covering a plastic film on seedlings obtained by cutting twigs for moisturizing, placing the seedlings in a shade place, regularly checking the humidity and spraying water for moisturizing, removing new buds emitted from the base parts of grafting in time for multiple times so as to avoid the new buds and scions from competing for nutrients, and improving the rooting rate of the seedlings; selecting the original nursery stock with the neck part 2-3 cm deep through planting depth, ensuring that the root system is spread and closely contacted with soil, smashing soil blocks when covering surface soil, slightly lifting the nursery stock upwards when the surface soil is filled for a half, filling soil and treading the root after spreading until hole pits are filled, covering a layer of loose soil after secondary treading, ensuring that the nursery stock is tightly filled, avoiding suspension and closely contacted with the soil, smoothly drawing water, and ensuring the normal growth of the seedling of the broad-leaved indocalamus bamboo; through systematic management of soil loosening, weeding, moisture and fertilization after planting, the asexual propagation and cultivation of the Indocalamus latifolius seedlings are normalized, and the growth uniformity among the Indocalamus latifolius seedlings is guaranteed.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a method for vegetative propagation of Indocalamus latifolius seedlings comprises the following steps
(1) Selecting a seedling taking place: selecting a land section which is relatively flat, fertile in soil layer, large in area, convenient to transport and vigorous in seedling growth as a seedling taking land;
(2) seedling requirements are as follows: selecting 1-3-year-old young seedling of broad-leaved indocalamus leaf, taking 2-4 plants/stump of the mixed seedling, wherein the selected mixed seedling has normal growth, strong and mechanical damage-free dry penis, rich fibrous roots and penis buds, retaining the soil on the bamboo stump, cutting off the seedling at the position 50cm high, and controlling the cut to be smooth and not to crack during cutting off, wherein the young seedling of one year and the sheath of the sheath tightly embrace the stem without cutting off;
(3) tender branch cuttage: cutting a semi-lignified new shoot, wherein the length of the cutting shoot is 8-12 cm, the upper end of the cutting shoot is cut flat, the lower end of the cutting shoot is cut into an inclined plane, 2-3 leaves are left at the uppermost end of the cutting shoot, the cutting shoot is inserted into a small wooden box filled with soil, the top of the cutting shoot is exposed, and the cutting shoot is watered thoroughly;
(4) moisturizing and trimming treatment: covering a plastic film for moisturizing, placing the plastic film in a shade place, periodically checking the humidity, spraying water for moisturizing, and removing the new buds from the base parts of the grafts for multiple times in time so as to avoid the new buds and the scions from competing for nutrients and improve the rooting rate of the seedlings;
(5) seedling taking: the bamboo rhizome is shoveled and cut at a position of 30cm around the bamboo seedling, the root system and the original soil are not damaged, as much soil and root are taken out together as possible, the phenomenon that the root rhizome channels and collaterals, the dry buds and the rhizome buds are damaged due to violent dragging is avoided, the seedling is neatly placed after being taken, counting is convenient, the arrangement and bundling are carried out, and the bamboo shoots are prevented from being lost by lightly taking and lightly putting.
(6) Seedling lifting technology: selecting 12 months to 2 months in the next year, selecting cloudy days in the weather, bundling the straws and other soft ropes according to a uniform quantity, facilitating transportation and counting, paying attention to wind and rain shielding and high-temperature insolation prevention, and covering the straws and other covering materials with cloth and other materials during transportation to prevent moisture evaporation;
(7) planting seedlings:
s1 selection of nursery lands: selecting a sandy soil layer with loose, deep, fertile, moist and good drainage soil as a nursery land;
s2 planting technology: and selecting the position 2-3 cm deep at the neck of the original seedling, ensuring that the root system is spread and closely contacted with soil, smashing soil blocks when covering surface soil, slightly lifting the seedling upwards when the surface soil is filled to a half, filling soil and treading the seedling after the root is spread until holes and pits are filled, and covering a layer of loose soil after secondary treading.
(8) Managing after planting:
s1 soil loosening and weeding: afforesting for 1-3 years, protecting new bamboos, strengthening intertillage, weeding and preventing and treating plant diseases and insect pests, and weeding for 2 times every year and locally weeding and loosening the soil before closing the bamboo forest;
s2, managing water, namely mowing in a high-temperature drought season, covering and preserving soil moisture, watering and irrigating when soil is dry, and draining water and preventing waterlogging when water is accumulated in a forest land in time;
s3 fertilization: and (3) applying the formula fertilizer in 3-4 months of the current year of forestation, ditching and applying the formula fertilizer at the positions 30cm away from the two sides of the root disc, applying the organic fertilizer in 12-2 months of the next year, applying the organic fertilizer by adopting ditching application or reclamation operation after the application, and applying the formula fertilizer 60 jin/mu by combining with reclamation and weeding in the second year of the forestation.
Preferably, the bamboo rhizome of the seedling of Indocalamus latiflorus in the step (2) has a coming rhizome and a going rhizome, and the length of the bamboo rhizome is 20-35 cm.
Preferably, the planting depth in the step (7) is 30-36 cm, the row spacing of planting holes is 2.0m by 1.0m, and the hole specification is 50cm by 40 cm.
Preferably, the formula fertilizer in the step (8) is 100 g/bundle, and the organic fertilizer is 2000 jin/mu.
(III) advantageous effects
The invention provides a vegetative propagation method of broad-leaved indocalamus seedlings, which comprises the steps of moisturizing and pruning, covering a plastic film on seedlings obtained by twig cutting for moisturizing, placing the seedlings in a shade place, regularly checking the humidity, spraying water for moisturizing, removing new buds emitted from the base of a graft for multiple times in time so as to avoid the new buds and the graft from competing for nutrients, and improving the rooting rate of the seedlings; selecting the original nursery stock with the neck part 2-3 cm deep through planting depth, ensuring that the root system is spread and closely contacted with soil, smashing soil blocks when covering surface soil, slightly lifting the nursery stock upwards when the surface soil is filled for a half, filling soil and treading the root after spreading until hole pits are filled, covering a layer of loose soil after secondary treading, ensuring that the nursery stock is tightly filled, avoiding suspension and closely contacted with the soil, smoothly drawing water, and ensuring the normal growth of the seedling of the broad-leaved indocalamus bamboo; through systematic management of soil loosening, weeding, moisture and fertilization after planting, the asexual propagation and cultivation of the Indocalamus latifolius seedlings are normalized, and the growth uniformity among the Indocalamus latifolius seedlings is guaranteed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The invention provides a technical scheme that:
a method for vegetative propagation of Indocalamus latifolius seedlings comprises the following steps
(1) Selecting a seedling taking place: selecting a land section which is relatively flat, fertile in soil layer, large in area, convenient to transport and vigorous in seedling growth as a seedling taking land;
(2) seedling requirements are as follows: selecting 1-year-old young seedling of broad leaf indocalamus, taking 2 plants/stumps of mixed seedling, wherein the bamboo rhizome of the seedling of broad leaf indocalamus has a coming rhizome and a removed rhizome, the bamboo rhizome is 20cm long, the seedling of the selected mixed seedling is normal in growth, the dried rhizome is healthy and strong and has no mechanical damage, the fibrous root is rich, the rhizome bud is provided, the soil stock on the bamboo stump is reserved, the seedling is cut at the position 50cm high, the cut is controlled to be smooth and not to crack during cutting, and the young seedling of one year is tightly embraced by the sheath without cutting the stem;
(3) tender branch cuttage: cutting a semi-lignified new shoot, wherein the length of the cutting shoot is 8 cm, the upper end of the cutting shoot is cut flat, the lower end of the cutting shoot is cut into an inclined plane, 2 leaves are left at the uppermost end of the cutting shoot, the cutting shoot is inserted into a small wooden case filled with soil, the top of the cutting shoot is exposed, and the cutting shoot is watered thoroughly;
(4) moisturizing and trimming treatment: covering a plastic film for moisturizing, placing the plastic film in a shade place, periodically checking the humidity, spraying water for moisturizing, and removing the new buds from the base parts of the grafts for multiple times in time so as to avoid the new buds and the scions from competing for nutrients and improve the rooting rate of the seedlings;
(5) seedling taking: the bamboo rhizome is shoveled and cut at a position of 30cm around the bamboo seedling, the root system and the original soil are not damaged, as much soil and root are taken out together as possible, the phenomenon that the root rhizome channels and collaterals, the dry buds and the rhizome buds are damaged due to violent dragging is avoided, the seedling is neatly placed after being taken, counting is convenient, the arrangement and bundling are carried out, and the bamboo shoots are prevented from being lost by lightly taking and lightly putting.
(6) Seedling lifting technology: selecting 12 months to 2 months in the next year, selecting cloudy days in the weather, bundling the straws and other soft ropes according to a uniform quantity, facilitating transportation and counting, paying attention to wind and rain shielding and high-temperature insolation prevention, and covering the straws and other covering materials with cloth and other materials during transportation to prevent moisture evaporation;
(7) planting seedlings:
s1 selection of nursery lands: selecting a sandy soil layer with loose soil, deep soil, rich soil, moist soil and good drainage as a nursery land, wherein the depth of the nursery land is 30cm, the row spacing of planting holes is 2.0m x 1.0m, and the hole specification is 50cm x 40 cm;
s2 planting technology: the depth of the neck of the original seedling is selected to be 2cm, the root system is ensured to be unfolded and closely contacted with soil, soil blocks are smashed when surface soil is covered, the seedling is lifted slightly when the surface soil is filled to a half, soil is filled and tamped after the root is unfolded until holes and pits are filled, and a layer of loose soil is covered after secondary tamping.
(8) Managing after planting:
s1 soil loosening and weeding: afforesting for 1 year, protecting new bamboos, strengthening intertillage, weeding and preventing and treating plant diseases and insect pests, and weeding for 2 times every year and locally weeding and loosening the soil before closing the bamboo forest;
s2, managing water, namely mowing in a high-temperature drought season, covering and preserving soil moisture, watering and irrigating when soil is dry, and draining water and preventing waterlogging when water is accumulated in a forest land in time;
s3 fertilization: and (3) applying 100 g/clump of formula fertilizer in 3-4 months of the current year of afforestation, ditching and applying the fertilizer at the positions 30cm away from the root disc, applying 2000 jin/acre of organic fertilizer in 2 months of the next year after 12 months to the next year, applying the organic fertilizer by ditching or carrying out reclamation operation after the fertilization, starting to apply the formula fertilizer by combining with reclamation weeding in the second year of afforestation, and applying 60 jin/acre of the formula fertilizer.
Example two
A method for vegetative propagation of Indocalamus latifolius seedlings comprises the following steps
(1) Selecting a seedling taking place: selecting a land section which is relatively flat, fertile in soil layer, large in area, convenient to transport and vigorous in seedling growth as a seedling taking land;
(2) seedling requirements are as follows: selecting a 2-year-old young seedling of broad leaf indocalamus, taking 3 plants/stumps of mixed seedlings, wherein bamboo rhizome of the seedling of broad leaf indocalamus has incoming rhizome and removed rhizome, the length of the bamboo rhizome is 30cm, the seedling of the selected mixed seedling grows normally, the dried rhizome is healthy and strong and has no mechanical damage, fibrous roots are rich, rhizome buds are provided, the soil stock on the bamboo stump is reserved, the seedling stem is cut at the position 50cm high, and the cut is controlled to be smooth and not to crack during cutting, wherein the young seedling of one year and the sheath tightly embrace the stem;
(3) tender branch cuttage: cutting a semi-lignified new shoot, wherein the length of the cutting shoot is 10 cm, the upper end of the cutting shoot is cut flat, the lower end of the cutting shoot is cut into an inclined plane, 3 leaves are left at the uppermost end of the cutting shoot, the cutting shoot is inserted into a small wooden case filled with soil, the top of the cutting shoot is exposed, and the cutting shoot is watered thoroughly;
(4) moisturizing and trimming treatment: covering a plastic film for moisturizing, placing the plastic film in a shade place, periodically checking the humidity, spraying water for moisturizing, and removing the new buds from the base parts of the grafts for multiple times in time so as to avoid the new buds and the scions from competing for nutrients and improve the rooting rate of the seedlings;
(5) seedling taking: the bamboo rhizome is shoveled and cut at a position of 30cm around the bamboo seedling, the root system and the original soil are not damaged, as much soil and root are taken out together as possible, the phenomenon that the root rhizome channels and collaterals, the dry buds and the rhizome buds are damaged due to violent dragging is avoided, the seedling is neatly placed after being taken, counting is convenient, the arrangement and bundling are carried out, and the bamboo shoots are prevented from being lost by lightly taking and lightly putting.
(6) Seedling lifting technology: selecting 12 months to 2 months in the next year, selecting cloudy days in the weather, bundling the straws and other soft ropes according to a uniform quantity, facilitating transportation and counting, paying attention to wind and rain shielding and high-temperature insolation prevention, and covering the straws and other covering materials with cloth and other materials during transportation to prevent moisture evaporation;
(7) planting seedlings:
s1 selection of nursery lands: selecting a sandy soil layer with loose soil, deep soil, rich soil, moist soil and good drainage as a nursery land, wherein the depth of the nursery land is 34cm, the row spacing of planting holes is 2.0m x 1.0m, and the hole specification is 50cm x 40 cm;
s2 planting technology: the depth of the neck of the original seedling is selected to be 2cm, the root system is ensured to be unfolded and closely contacted with soil, soil blocks are smashed when surface soil is covered, the seedling is lifted slightly when the surface soil is filled to a half, soil is filled and tamped after the root is unfolded until holes and pits are filled, and a layer of loose soil is covered after secondary tamping.
(8) Managing after planting:
s1 soil loosening and weeding: afforesting for 2 years, protecting new bamboos, strengthening intertillage, weeding and preventing and treating plant diseases and insect pests, and weeding for 2 times every year and locally weeding and loosening the soil before closing the bamboo forest;
s2, managing water, namely mowing in a high-temperature drought season, covering and preserving soil moisture, watering and irrigating when soil is dry, and draining water and preventing waterlogging when water is accumulated in a forest land in time;
s3 fertilization: and (3) applying 100 g/clump of formula fertilizer in 3-4 months of the current year of afforestation, ditching and applying the fertilizer at the positions 30cm away from the root disc, applying 2000 jin/acre of organic fertilizer in 2 months of the next year after 12 months to the next year, applying the organic fertilizer by ditching or carrying out reclamation operation after the fertilization, starting to apply the formula fertilizer by combining with reclamation weeding in the second year of afforestation, and applying 60 jin/acre of the formula fertilizer.
EXAMPLE III
A method for vegetative propagation of Indocalamus latifolius seedlings comprises the following steps
(1) Selecting a seedling taking place: selecting a land section which is relatively flat, fertile in soil layer, large in area, convenient to transport and vigorous in seedling growth as a seedling taking land;
(2) seedling requirements are as follows: selecting a seedling of 3-year-old young broadleaf indocalamus, taking 4 plants/stumps of mixed seedlings, wherein bamboo rhizome of the seedling of broadleaf indocalamus has incoming rhizome and removed rhizome, the length of the bamboo rhizome is 20-35 cm, the seedling of the selected mixed seedling grows normally, the dried rhizome is healthy and strong and has no mechanical damage, fibrous roots are rich, rhizome buds are provided, the soil stock on the bamboo stump is reserved, the seedling stem is cut at the position 50cm high, and the cut is controlled to be smooth and not to crack during the cut, wherein the young seedling of one year is tightly embraced by a sheath without cutting the stem;
(3) tender branch cuttage: cutting a semi-lignified new shoot, wherein the length of the cutting shoot is 12 cm, the upper end of the cutting shoot is cut flat, the lower end of the cutting shoot is cut into an inclined plane, 3 leaves are left at the uppermost end of the cutting shoot, the cutting shoot is inserted into a small wooden case filled with soil, the top of the cutting shoot is exposed, and the cutting shoot is watered thoroughly;
(4) moisturizing and trimming treatment: covering a plastic film for moisturizing, placing the plastic film in a shade place, periodically checking the humidity, spraying water for moisturizing, and removing the new buds from the base parts of the grafts for multiple times in time so as to avoid the new buds and the scions from competing for nutrients and improve the rooting rate of the seedlings;
(5) seedling taking: the bamboo rhizome is shoveled and cut at a position of 30cm around the bamboo seedling, the root system and the original soil are not damaged, as much soil and root are taken out together as possible, the phenomenon that the root rhizome channels and collaterals, the dry buds and the rhizome buds are damaged due to violent dragging is avoided, the seedling is neatly placed after being taken, counting is convenient, the arrangement and bundling are carried out, and the bamboo shoots are prevented from being lost by lightly taking and lightly putting.
(6) Seedling lifting technology: selecting 12 months to 2 months in the next year, selecting cloudy days in the weather, bundling the straws and other soft ropes according to a uniform quantity, facilitating transportation and counting, paying attention to wind and rain shielding and high-temperature insolation prevention, and covering the straws and other covering materials with cloth and other materials during transportation to prevent moisture evaporation;
(7) planting seedlings:
s1 selection of nursery lands: selecting a sandy soil layer with loose soil, deep soil, rich soil, moist soil and good drainage as a nursery land, wherein the depth of the nursery land is 36cm, the row spacing of planting holes is 2.0m x 1.0m, and the hole specification is 50cm x 40 cm;
s2 planting technology: and selecting the neck part of the original seedling with the depth of 3cm, ensuring that the root system is unfolded and the soil is in close contact, smashing soil blocks when covering surface soil, slightly lifting the seedling upwards when half of the surface soil is filled, filling soil and treading the seedling after the root is unfolded until holes and pits are filled, and covering a layer of loose soil after secondary treading.
(8) Managing after planting:
s1 soil loosening and weeding: afforesting for 3 years, protecting new bamboos, strengthening intertillage, weeding and preventing and treating plant diseases and insect pests, and weeding for 2 times every year and locally weeding and loosening the soil before the bamboo forest is closed;
s2, managing water, namely mowing in a high-temperature drought season, covering and preserving soil moisture, watering and irrigating when soil is dry, and draining water and preventing waterlogging when water is accumulated in a forest land in time;
s3 fertilization: and (3) applying 100 g/clump of formula fertilizer in 3-4 months of the current year of afforestation, ditching and applying the fertilizer at the positions 30cm away from the root disc, applying 2000 jin/acre of organic fertilizer in 2 months of the next year after 12 months to the next year, applying the organic fertilizer by ditching or carrying out reclamation operation after the fertilization, starting to apply the formula fertilizer by combining with reclamation weeding in the second year of afforestation, and applying 60 jin/acre of the formula fertilizer.
The invention provides a vegetative propagation method of broad-leaved indocalamus seedlings, which comprises the steps of moisturizing and pruning, covering a plastic film on seedlings obtained by twig cutting for moisturizing, placing the seedlings in a shade place, regularly checking the humidity, spraying water for moisturizing, removing new buds emitted from the base of a graft for multiple times in time so as to avoid the new buds and the graft from competing for nutrients, and improving the rooting rate of the seedlings; selecting the original nursery stock with the neck part 2-3 cm deep through planting depth, ensuring that the root system is spread and closely contacted with soil, smashing soil blocks when covering surface soil, slightly lifting the nursery stock upwards when the surface soil is filled for a half, filling soil and treading the root after spreading until hole pits are filled, covering a layer of loose soil after secondary treading, ensuring that the nursery stock is tightly filled, avoiding suspension and closely contacted with the soil, smoothly drawing water, and ensuring the normal growth of the seedling of the broad-leaved indocalamus bamboo; through systematic management of soil loosening, weeding, moisture and fertilization after planting, the asexual propagation and cultivation of the Indocalamus latifolius seedlings are normalized, and the growth uniformity among the Indocalamus latifolius seedlings is guaranteed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A vegetative propagation method of Indocalamus latifolius seedlings is characterized by comprising the following steps: comprises the following steps
(1) Selecting a seedling taking place: selecting a land section which is relatively flat, fertile in soil layer, large in area, convenient to transport and vigorous in seedling growth as a seedling taking land;
(2) seedling requirements are as follows: selecting 1-3-year-old young seedling of broad-leaved indocalamus leaf, taking 2-4 plants/stump of the mixed seedling, wherein the selected mixed seedling has normal growth, strong and mechanical damage-free dry penis, rich fibrous roots and penis buds, retaining the soil on the bamboo stump, cutting off the seedling at the position 50cm high, and controlling the cut to be smooth and not to crack during cutting off, wherein the young seedling of one year and the sheath of the sheath tightly embrace the stem without cutting off;
(3) tender branch cuttage: cutting a semi-lignified new shoot, wherein the length of the cutting shoot is 8-12 cm, the upper end of the cutting shoot is cut flat, the lower end of the cutting shoot is cut into an inclined plane, 2-3 leaves are left at the uppermost end of the cutting shoot, the cutting shoot is inserted into a small wooden box filled with soil, the top of the cutting shoot is exposed, and the cutting shoot is watered thoroughly;
(4) moisturizing and trimming treatment: covering a plastic film for moisturizing, placing the plastic film in a shade place, periodically checking the humidity, spraying water for moisturizing, and removing the new buds from the base parts of the grafts for multiple times in time so as to avoid the new buds and the scions from competing for nutrients and improve the rooting rate of the seedlings;
(5) seedling taking: shoveling off bamboo rhizome at a position of 30cm around the bamboo seedling, not damaging root system and original soil, taking out soil and root as much as possible, avoiding losing root rhizome channels, dry buds and rhizome buds due to forceful dragging, neatly placing the seedling after taking the seedling, facilitating counting, arranging and bundling, slightly taking and slightly putting the seedling to prevent loss of bud bamboo shoots and the like;
(6) seedling lifting technology: selecting 12 months to 2 months in the next year, selecting cloudy days in the weather, bundling the straws and other soft ropes according to a uniform quantity, facilitating transportation and counting, paying attention to wind and rain shielding and high-temperature insolation prevention, and covering the straws and other covering materials with cloth and other materials during transportation to prevent moisture evaporation;
(7) planting seedlings:
s1 selection of nursery lands: selecting a sandy soil layer with loose, deep, fertile, moist and good drainage soil as a nursery land;
s2 planting technology: selecting the original nursery stock with the neck part 2-3 cm deep from the planting depth, ensuring that the root system is spread and closely contacted with soil, smashing soil blocks when covering surface soil, slightly lifting the seedlings upwards when the surface soil is filled to a half, filling soil and treading the seedlings after spreading the roots till filling holes, and covering a layer of loose soil after treading the seedlings for the second time;
(8) managing after planting:
s1 soil loosening and weeding: afforesting for 1-3 years, protecting new bamboos, strengthening intertillage, weeding and preventing and treating plant diseases and insect pests, and weeding for 2 times every year and locally weeding and loosening the soil before closing the bamboo forest;
s2, managing water, namely mowing in a high-temperature drought season, covering and preserving soil moisture, watering and irrigating when soil is dry, and draining water and preventing waterlogging when water is accumulated in a forest land in time;
s3 fertilization: and (3) applying the formula fertilizer in 3-4 months of the current year of forestation, ditching and applying the formula fertilizer at the positions 30cm away from the two sides of the root disc, applying the organic fertilizer in 12-2 months of the next year, applying the organic fertilizer by adopting ditching application or reclamation operation after the application, and applying the formula fertilizer 60 jin/mu by combining with reclamation and weeding in the second year of the forestation.
2. The asexual propagation method of Indocalamus latiflorus seedlings according to claim 1, characterized in that: the bamboo rhizome of the seedling of Indocalamus latiflorus in the step (2) has a coming rhizome and a going rhizome, and the length of the bamboo rhizome is 20-35 cm.
3. The asexual propagation method of Indocalamus latiflorus seedlings according to claim 1, characterized in that: and (4) in the step (7), the planting depth is 30-36 cm, the row spacing of planting holes is 2.0m by 1.0m, and the hole specification is 50cm by 40 cm.
4. The asexual propagation method of Indocalamus latiflorus seedlings according to claim 1, characterized in that: the formula fertilizer in the step (8) is 100 g/bundle, and the organic fertilizer is 2000 jin/mu.
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