CN106069519A - A kind of Fructus Cercidiphylli Sinensis seeding and seedling raising technology - Google Patents

Abstract

The invention discloses a kind of Fructus Cercidiphylli Sinensis seeding and seedling raising technology, including walking as follows: collect seed and preserve, seed treatment, garden ground and seedbed arrangements, sowing, seedling management, seedling plant division with manage and protect, go out garden work as annual seedling can reach footpath more than 0.5cm, when height of seedling reaches more than 50cm, garden afforestation can be gone out.The present invention is according to the biological characteristics of Fructus Cercidiphylli Sinensis and ecological habit, simulate the ecological environment of its growth, elite seed, improvement soil, fine sowing, conscientiously manages and protects, and adjusts the natural causes such as the temperature needed for seedling growth, humidity, illumination in real time, research summary has gone out Fructus Cercidiphylli Sinensis presprouting of seeds, sprout transplants the seeding and seedling raising technology for core and earthing technology, makes seed germination rate and sub-transplantation of seedlings survival rate respectively reach more than 90%.

Description

A kind of Fructus Cercidiphylli Sinensis seeding and seedling raising technology

Technical field

The present invention relates to forestry breeding technical field, particularly relate to a kind of Fructus Cercidiphylli Sinensis seeding and seedling raising technology.

Background technology

Fructus Cercidiphylli Sinensis is two grades of Top-rated protected wild plants of country, is set to rare species, at present in " Chinese Plants Red Data Book " Belong to Endangered species, lose plant for Jue in the Tertiary Period.Because its seed is tiny, naturally sprout difficulty, natural regeneration ability extreme difference, add the mankind Movable interference, population has been in complete decay state.In recent years, Fructus Cercidiphylli Sinensis is protected by the extensive introducing and planting in countries in the world, Traditional asexual propagation aspect, the asexual reproduction method such as mound layering, cottage propagation and tissue culture is compared with seed propagation, numerous Growing coefficient low, plant bar source deficiency, reproductive-cost is high, can not form large-scale production, it is impossible to meet the market demand.But sow numerous Growing, seed demand could preferably be sprouted through special handling, also needs to manage and protect and could cultivate into more careful seedling stage simultaneously Seedlings.China is respectively adopted the method for autumn sowing and spring sowing and carries out seed expanding propagation when introducing a fine variety various places, but emergence rate and planting percent The most relatively low.

Summary of the invention

It is an object of the invention to overcome the deficiencies in the prior art, and a kind of survival rate height, the company of fast growth are provided XIANGSHU seeding and seedling raising technology.

For achieving the above object, the present invention adopts the following technical scheme that realization:

A kind of Fructus Cercidiphylli Sinensis seeding and seedling raising technology, comprises the steps:

1), collect seed and preserve

Fructus Cercidiphylli Sinensis dioecism and many in fragmentary distributions, 9-10 month, when fruit has the dark green green or yellowish-brown that turns yellow, and Adopt back in time when having minority cracking of fruit, because of its seed the most tiny and also with transparent thin parachute, if adopted back not in time, Seed will float down on the wind；After being adopted back by pod, in holding chamber, dry in the air 2-3 days in ventilation, after fruit ftractures mostly, is put into Dry in the sun at outdoor shady and cool ventilation so that it is being dried, then beat gently with waddy, seed comes off from fruit pod, takes off the most voluntarily The seed fallen can strip out from pod by hand with artificial；Then screen with sieve, after removing pod skin impurity, seed retained, It is placed in the shady and cool ventilation that is dried with cloth bag to preserve, sows for spring in next year.

2), seed treatment

Sand in winter is used to hide seed soaking two kinds of processing methods of moisture-heat preservation accelerating germination before accelerating germination and sowing,

Husky germination hastening method of hiding: mid or late December, select leeward on the sunny side, be difficult to water accumulation part and dig storage hole, by dry Tibetan seed with 0.2% Potassium permanganate solution is pulled out after soaking 2 hours, controls water with clear water, then with 3 times of weight doing in seed weight after rinsing well Clean wet sand is mixed thoroughly and is placed in storage hole, overlying thin film, straw screen or mat moisture-heat preservation；During wet husky stored seeds, sand can not be overly wet, with Sand can be pinched agglomerating with hands, put down sand gently and can automatically scatter and be advisable；Seed can not be piled up blocked up, often wants during storage Check, find that seed has Signs of Mould, dry in the sun will be carried out in time, never be exposed to the sun；Note at any time before sowing observing germination, when When next year, seed had more than 20% to show money or valuables one carries unintentionally, can sow；

Immersion moisturizing germination hastening method: spring sow first about 10 days, by seed first with 0.3% potassium permanganate solution soaking disinfection 2 points Clock, pulls rear clear water out and rinses well and be placed in basin, with 30-40 DEG C of warm water soaking 24 hours, mixes thin wet sand (wet after pulling dewatering out Degree is ibid), overlying straw mat or wet cloth moisturizing, it is placed in accelerating germination in the greenhouse of 15-20 DEG C.Stir every day once, spray water in right amount, when Seed there are about 1/3 when showing money or valuables one carries unintentionally and can sow.

3), ground, garden and seedbed arrange

Nursery lot physical features to be selected is smooth, the sandy loam that soil layer is deep, fertile, moistening, draining is good makees seedbed, whole autumn, After frost and snow bursting by freezing air slaking in winter, after spring the most careful smooth, soil block becomes the most in small, broken bits, is clapped in face, seedbed with plank, because of Seed for Fructus Cercidiphylli Sinensis is the most tiny, and the mass of 1000 kernel of seed only has 0.7-0.8g, long about the 2mm of seed, and band wing length also only has 5-6mm, if so the out-of-flatness of face, seedbed, seed is easy in the gap of people's soil, nursery stock cannot normal growth, make Become seed waste.Use sufficient to garden base fertilizer, every 667m²Sealing fertilizer 75kg, general seedbed width 1-1.2m, high 25cm, wide 3Ocm；Seedbed with 5% 3 cyfluthrin fat cream 15ml add phoxim 50% cream 2ml add water 15kg carry out spray preventing and treating underground evil Worm, and press 2kg/m²Consumption ferrous sulfate is diluted to 30% aqueous solution, in sowing within first 7 days, be uniformly sprinkled upon on seedbed, adjust Nursery soil ph value is advisable less than 7.5.

4), sowing

Sowing time, preferably April early and middle ten days, broadcasts sowing or drilling, for ease of management, preferable with drilling.Before broadcasting sowing, bed surface sprays Execute " fenaminosulf " sterilizing, after seed is broadcasted sowing in bed surface to high-density, by 4kg/ mu 5-6g/m²The seed amount of broadcasting broadcast Kind；Gently hug light rake with rake and suppress slightly, make seed and the abundant close contact of soil or replace with plant ash or sawdust Blinding, covers seed, it is not necessary to earthing substantially；Building plastic sheeting shed moisturizing after broadcasting to heat, top is built and is shaded simultaneously Canopy；During drilling, on the seedbed disinfected, open a simple seed furrow, ditch depth about 1cm by the line-spacing of 20cm, incite somebody to action The seed handled well uniform bar together with wet sand is sowed in shallow ridges, the sawdust after overlying plant ash or sterilization；Thickness of earth covering Not can exceed that 1mm(is rainproof and shading shed building method ibid).

5), seedling management

After seed is sowed, build shading shed and rain-proof shelter in time, keep soil moisture；Spray after sowing 23 days and water, need Duty is sprayed, is sprayed water comprehensively.Shower nozzle water column will be in vaporific, it is impossible to puts broad irrigation seedbed, and water speed is too fast easily to be gone out shoot root or handle Seedling is washed away；Sow and start to emerge for about 20 days；It is the most first to shade in seedbed with the shading screen of 70%, when seed about 80% is sent out After bud is unearthed, opens two plastic sheeting the daytime of fine day and ventilate, cover back evening, to keep the temperature in seedbed；When seedling 90% Being unearthed in left and right, the shading screen with 50% is that seedling is shaded, and when major part seedling grows 2-3 sheet true leaf, height of seedling 2-3cm, removes Rain-proof shelter, continues to retain shading shed；Select the cloudy day or take plastic sheeting off at dusk；After nursery stock is unearthed, timely weeding；The most miscellaneous Fertilizer not only striven by grass with nursery stock, and weeds are excessive, easily taken out of by nursery stock when pulling out, and notices that adjusting shading shed light transmittance continues refining Seedling.

6), seedling plant division with manage and protect

When seedling length to 3-5cm is high, when 1-2 piece of true leaf occurs, plant division first can be carried out and plant, typically the first tenday period of a month in May Good, cut off long main root after seedling lifting, phosphate fertilizer dips in root, broadcasts an aperture with bamboo chopsticks, then compress soil during transplanting on transplant bed, Plant to water in time and determined root water enough, within later 3-6 days, watered once.Transplanting time is preferably selected and carries out at the cloudy day, and fine day should be sooner or later Carrying out, seeding row spacing is preferred with 2O × 20-20 × 10cm, transplants bed and to cultivate intensely as seedling bed；After seedling plant division is planted, Water with 70% fenaminosulf powder 0.2% strength solution immediately, and hand over medicaments such as thiophanate methyl 0.125% strength solution Tubing flow displacement mist, every spray in 7-10 days once, prevents the generation of seedling damping-off, damping-off；The 5-7 month opposes with 0.067% strength solution Killing and carry out seedbed spraying, every 7-1O days once, or ground is clean etc. to be spread fertilizer over the fields with protecting, in case the subterranean pest-insect harm such as punish-old tiger；Transplant Bed should be built in tall and big nursery stock in the ranks, has faint scattered light；After late September, stop fertilising, at early and middle ten days in October, spray 0.3% potassium dihydrogen phosphate, every spray in 7 days once, even spray 1-3 time, to promote nursery stock lignifying, improves the cold-resistant energy of nursery stock Power.

7), garden is gone out

When annual seedling can reach ground footpath more than 0.5cm, when height of seedling reaches more than 50cm, garden afforestation can be gone out, it is also possible to training Educate transplanting after 2 years；If cultivated as greening seedling, thin planting transplanting to be carried out, continue to cultivate；First about 7 days of lifting Nursery lot is watered permeable, it is ensured that the dry moisture having abundance of Seedling；To ensure that seedling root is complete during lifting as far as possible.

The present invention, according to the biological characteristics of Fructus Cercidiphylli Sinensis and ecological habit, simulates the ecological environment of its growth, select seed Son, improves soil, finely sows, conscientiously manage and protect, and adjusts the natural causes such as the temperature needed for seedling growth, humidity, illumination in real time, Research summary has gone out Fructus Cercidiphylli Sinensis presprouting of seeds, sprout transplants the seeding and seedling raising technology for core and earthing technology, makes seed germination Rate and sub-transplantation of seedlings survival rate respectively reach more than 90%.

Detailed description of the invention

Below in conjunction with embodiment to the present invention, it is further elaborated.

Embodiment

A kind of Fructus Cercidiphylli Sinensis seeding and seedling raising technology, comprises the steps:

1), collect seed and preserve

Fructus Cercidiphylli Sinensis dioecism and many in fragmentary distributions, 9-10 month, when fruit has the dark green green or yellowish-brown that turns yellow, and Adopt back in time when having minority cracking of fruit, because of its seed the most tiny and also with transparent thin parachute, if adopted back not in time, Seed will float down on the wind；After being adopted back by pod, in holding chamber, dry in the air 2-3 days in ventilation, after fruit ftractures mostly, is put into Dry in the sun at outdoor shady and cool ventilation so that it is being dried, then beat gently with waddy, seed comes off from fruit pod, takes off the most voluntarily The seed fallen can strip out from pod by hand with artificial；Then screen with sieve, after removing pod skin impurity, seed retained, It is placed in the shady and cool ventilation that is dried with cloth bag to preserve, sows for spring in next year.

2), seed treatment

Sand in winter is used to hide seed soaking two kinds of processing methods of moisture-heat preservation accelerating germination before accelerating germination and sowing,

Husky germination hastening method of hiding: mid or late December, select leeward on the sunny side, be difficult to water accumulation part and dig storage hole, by dry Tibetan seed with 0.2% Potassium permanganate solution is pulled out after soaking 2 hours, controls water with clear water, then with 3 times of weight doing in seed weight after rinsing well Clean wet sand is mixed thoroughly and is placed in storage hole, overlying thin film, straw screen or mat moisture-heat preservation；During wet husky stored seeds, sand can not be overly wet, with Sand can be pinched agglomerating with hands, put down sand gently and can automatically scatter and be advisable；Seed can not be piled up blocked up, often wants during storage Check, find that seed has Signs of Mould, dry in the sun will be carried out in time, never be exposed to the sun；Note at any time before sowing observing germination, when When next year, seed had more than 20% to show money or valuables one carries unintentionally, can sow；

Immersion moisturizing germination hastening method: spring sow first about 10 days, by seed first with 0.3% potassium permanganate solution soaking disinfection 2 points Clock, pulls rear clear water out and rinses well and be placed in basin, with 30-40 DEG C of warm water soaking 24 hours, mixes thin wet sand (wet after pulling dewatering out Degree is ibid), overlying straw mat or wet cloth moisturizing, it is placed in accelerating germination in the greenhouse of 15-20 DEG C.Stir every day once, spray water in right amount, when Seed there are about 1/3 when showing money or valuables one carries unintentionally and can sow.

3), ground, garden and seedbed arrange

Nursery lot physical features to be selected is smooth, the sandy loam that soil layer is deep, fertile, moistening, draining is good makees seedbed, whole autumn, After frost and snow bursting by freezing air slaking in winter, after spring the most careful smooth, soil block becomes the most in small, broken bits, is clapped in face, seedbed with plank, because of Seed for Fructus Cercidiphylli Sinensis is the most tiny, and the mass of 1000 kernel of seed only has 0.7-0.8g, long about the 2mm of seed, and band wing length also only has 5-6mm, if so the out-of-flatness of face, seedbed, seed is easy in the gap of people's soil, nursery stock cannot normal growth, make Become seed waste.Use sufficient to garden base fertilizer, every 667m²Sealing fertilizer 75kg, general seedbed width 1-1.2m, high 25cm, wide 3Ocm；Seedbed with 5% 3 cyfluthrin fat cream 15ml add phoxim 50% cream 2ml add water 15kg carry out spray preventing and treating underground evil Worm, and press 2kg/m²Consumption ferrous sulfate is diluted to 30% aqueous solution, in sowing within first 7 days, be uniformly sprinkled upon on seedbed, adjust Nursery soil ph value is advisable less than 7.5.

4), sowing

Sowing time, preferably April early and middle ten days, broadcasts sowing or drilling, for ease of management, preferable with drilling.Before broadcasting sowing, bed surface sprays Execute " fenaminosulf " sterilizing, after seed is broadcasted sowing in bed surface to high-density, by 4kg/ mu 5-6g/m²The seed amount of broadcasting broadcast Kind；Gently hug light rake with rake and suppress slightly, make seed and the abundant close contact of soil or replace with plant ash or sawdust Blinding, covers seed, it is not necessary to earthing substantially；Building plastic sheeting shed moisturizing after broadcasting to heat, top is built and is shaded simultaneously Canopy；During drilling, on the seedbed disinfected, open a simple seed furrow, ditch depth about 1cm by the line-spacing of 20cm, incite somebody to action The seed handled well uniform bar together with wet sand is sowed in shallow ridges, the sawdust after overlying plant ash or sterilization；Thickness of earth covering Not can exceed that 1mm(is rainproof and shading shed building method ibid).

5), seedling management

After seed is sowed, build shading shed and rain-proof shelter in time, keep soil moisture；Spray after sowing 23 days and water, need Duty is sprayed, is sprayed water comprehensively.Shower nozzle water column will be in vaporific, it is impossible to puts broad irrigation seedbed, and water speed is too fast easily to be gone out shoot root or handle Seedling is washed away；Sow and start to emerge for about 20 days；It is the most first to shade in seedbed with the shading screen of 70%, when seed about 80% is sent out After bud is unearthed, opens two plastic sheeting the daytime of fine day and ventilate, cover back evening, to keep the temperature in seedbed；When seedling 90% Being unearthed in left and right, the shading screen with 50% is that seedling is shaded, and when major part seedling grows 2-3 sheet true leaf, height of seedling 2-3cm, removes Rain-proof shelter, continues to retain shading shed；Select the cloudy day or take plastic sheeting off at dusk；After nursery stock is unearthed, timely weeding；The most miscellaneous Fertilizer not only striven by grass with nursery stock, and weeds are excessive, easily taken out of by nursery stock when pulling out, and notices that adjusting shading shed light transmittance continues refining Seedling.

6), seedling plant division with manage and protect

When seedling length to 3-5cm is high, when 1-2 piece of true leaf occurs, plant division first can be carried out and plant, typically the first tenday period of a month in May Good, cut off long main root after seedling lifting, phosphate fertilizer dips in root, broadcasts an aperture with bamboo chopsticks, then compress soil during transplanting on transplant bed, Plant to water in time and determined root water enough, within later 3-6 days, watered once.Transplanting time is preferably selected and carries out at the cloudy day, and fine day should be sooner or later Carrying out, seeding row spacing is preferred with 2O × 20-20 × 10cm, transplants bed and to cultivate intensely as seedling bed；After seedling plant division is planted, Water with 70% fenaminosulf powder 0.2% strength solution immediately, and hand over medicaments such as thiophanate methyl 0.125% strength solution Tubing flow displacement mist, every spray in 7-10 days once, prevents the generation of seedling damping-off, damping-off；The 5-7 month opposes with 0.067% strength solution Killing and carry out seedbed spraying, every 7-1O days once, or ground is clean etc. to be spread fertilizer over the fields with protecting, in case the subterranean pest-insect harm such as punish-old tiger；Transplant Bed should be built in tall and big nursery stock in the ranks, has faint scattered light；After late September, stop fertilising, at early and middle ten days in October, spray 0.3% potassium dihydrogen phosphate, every spray in 7 days once, even spray 1-3 time, to promote nursery stock lignifying, improves the cold-resistant energy of nursery stock Power.

7), garden is gone out

When annual seedling can reach ground footpath more than 0.5cm, when height of seedling reaches more than 50cm, garden afforestation can be gone out, it is also possible to training Educate transplanting after 2 years；If cultivated as greening seedling, thin planting transplanting to be carried out, continue to cultivate；First about 7 days of lifting Nursery lot is watered permeable, it is ensured that the dry moisture having abundance of Seedling；To ensure that seedling root is complete during lifting as far as possible.

Above one embodiment of the present of invention is described in detail, but described content has been only the preferable enforcement of the present invention Example, it is impossible to be considered the practical range for limiting the present invention.All equivalent variations made according to the present patent application scope and improvement, The most due within the covering scope of the present invention.Equivalent variations that application range is made and improvement, the culvert of the present invention the most due to Within the scope of lid.

Claims (1)

1. a Fructus Cercidiphylli Sinensis seeding and seedling raising technology, comprises the steps:

1), collect seed and preserve

Fructus Cercidiphylli Sinensis dioecism and many in fragmentary distributions, 9-10 month, when fruit has the dark green green or yellowish-brown that turns yellow, and Adopt back in time when having minority cracking of fruit, because of its seed the most tiny and also with transparent thin parachute, if adopted back not in time, Seed will float down on the wind；After being adopted back by pod, in holding chamber, dry in the air 2-3 days in ventilation, after fruit ftractures mostly, is put into Dry in the sun at outdoor shady and cool ventilation so that it is being dried, then beat gently with waddy, seed comes off from fruit pod, takes off the most voluntarily The seed fallen can strip out from pod by hand with artificial；Then screen with sieve, after removing pod skin impurity, seed retained, It is placed in the shady and cool ventilation that is dried with cloth bag to preserve, sows for spring in next year；

2), seed treatment

Sand in winter is used to hide seed soaking two kinds of processing methods of moisture-heat preservation accelerating germination before accelerating germination and sowing,

Husky germination hastening method of hiding: mid or late December, select leeward on the sunny side, be difficult to water accumulation part and dig storage hole, by dry Tibetan seed with 0.2% Potassium permanganate solution is pulled out after soaking 2 hours, controls water with clear water, then with 3 times of weight doing in seed weight after rinsing well Clean wet sand is mixed thoroughly and is placed in storage hole, overlying thin film, straw screen or mat moisture-heat preservation；During wet husky stored seeds, sand can not be overly wet, with Sand can be pinched agglomerating with hands, put down sand gently and can automatically scatter and be advisable；Seed can not be piled up blocked up, often wants during storage Check, find that seed has Signs of Mould, dry in the sun will be carried out in time, never be exposed to the sun；Note at any time before sowing observing germination, when When next year, seed had more than 20% to show money or valuables one carries unintentionally, can sow；

Immersion moisturizing germination hastening method: spring sow first about 10 days, by seed first with 0.3% potassium permanganate solution soaking disinfection 2 points Clock, pulls rear clear water out and rinses well and be placed in basin, with 30-40 DEG C of warm water soaking 24 hours, mixes thin wet sand after pulling dewatering out, on Cover straw mat or wet cloth moisturizing, be placed in accelerating germination in the greenhouse of 15-20 DEG C；

Stir every day once, spray water in right amount, when seed there are about 1/3 show money or valuables one carries unintentionally time can sow；

3), ground, garden and seedbed arrange

Nursery lot physical features to be selected is smooth, the sandy loam that soil layer is deep, fertile, moistening, draining is good makees seedbed, whole autumn, After frost and snow bursting by freezing air slaking in winter, after spring the most careful smooth, soil block becomes the most in small, broken bits, is clapped in face, seedbed with plank, because of Seed for Fructus Cercidiphylli Sinensis is the most tiny, and the mass of 1000 kernel of seed only has 0.7-0.8g, long about the 2mm of seed, and band wing length also only has 5-6mm, uses sufficient to garden base fertilizer, every 667m²Sealing fertilizer 75kg, general seedbed width 1-1.2m, high 25cm, a wide 3Ocm；Seedling Bed adds the phoxim 50% cream 2ml 15kg that adds water with 5% 3 cyfluthrin fat cream 15ml and carries out spraying and prevent and treat subterranean pest-insect, and presses 2kg/m²Consumption ferrous sulfate is diluted to 30% aqueous solution, in sowing within first 7 days, be uniformly sprinkled upon on seedbed, adjust seedbed soil Earth ph value is advisable less than 7.5；

4), sowing

Sowing time, preferably April early and middle ten days, broadcasts sowing or drilling, for ease of management, preferable with drilling；

Before broadcasting sowing, bed surface sprays fenaminosulf sterilizing, after seed is broadcasted sowing in bed surface to high-density, by 4kg/ mu 5-6g/m²'s The seed amount of broadcasting is sowed；Gently hug light rake with rake and suppress slightly, make seed and the abundant close contact of soil or use vegetation Ash or sawdust replace blinding, substantially cover seed, it is not necessary to earthing；Build plastic sheeting shed moisturizing after broadcasting to heat, with Time top build shading shed；During drilling, on the seedbed disinfected, open a simple seed furrow by the line-spacing of 20cm, Ditch depth about 1cm, is sowed at the seed handled well uniform bar together with wet sand in shallow ridges, the sawdust after overlying plant ash or sterilization ?；Thickness of earth covering not can exceed that 1mm；

5), seedling management

After seed is sowed, build shading shed and rain-proof shelter in time, keep soil moisture；Spray after sowing 23 days and water, need Duty is sprayed, is sprayed water comprehensively；

Shower nozzle water column will be in vaporific, it is impossible to puts broad irrigation seedbed, and water speed is too fast easily to be gone out shoot root or seedling is washed away；Broadcast Plant and start to emerge for about 20 days；It is the most first to shade in seedbed with the shading screen of 70%, after seed about 80% germinates and is unearthed, fine Open two plastic sheeting it daytime to ventilate, cover back evening, to keep the temperature in seedbed；When seedling about 90% is unearthed, use The shading screen of 50% is that seedling is shaded, and when major part seedling grows 2-3 sheet true leaf, height of seedling 2-3cm, removes rain-proof shelter, continues Retain shading shed；Select the cloudy day or take plastic sheeting off at dusk；After nursery stock is unearthed, timely weeding, and note adjusting shading shed Light transmittance continues seedling exercising；

6), seedling plant division with manage and protect

When seedling length to 3-5cm is high, when 1-2 piece of true leaf occurs, plant division first can be carried out and plant, typically the first tenday period of a month in May Good, cut off long main root after seedling lifting, phosphate fertilizer dips in root, broadcasts an aperture with bamboo chopsticks, then compress soil during transplanting on transplant bed, Plant to water in time and determined root water enough, within later 3-6 days, watered once；

Transplanting time is preferably selected and carries out at the cloudy day, and fine day should be carried out sooner or later, and seeding row spacing is preferred with 2O × 20-20 × 10cm, Transplant bed to cultivate intensely as seedling bed；After seedling plant division is planted, enter with 70% fenaminosulf powder 0.2% strength solution immediately Row pouring, and with medicament alternating spray such as thiophanate methyl 0.125% strength solution, every spray in 7-10 days once, prevent nursery stock Damping off, the generation of damping-off；The 5-7 month carries out seedbed spraying with 0.067% strength solution decis, every 7-1O days once, or With protecting, ground is clean etc. to be spread fertilizer over the fields, in case the subterranean pest-insect harm such as punish-old tiger；Transplant bed and should be built in tall and big nursery stock in the ranks, have faint scattering Light；After late September, stop fertilising, at early and middle ten days in October, spray 0.3% potassium dihydrogen phosphate, every spray in 7 days once, Even spray 1-3 time, to promote nursery stock lignifying, improves nursery stock cold tolerance；

7), garden is gone out

When annual seedling can reach ground footpath more than 0.5cm, when height of seedling reaches more than 50cm, garden afforestation can be gone out, it is also possible to training Educate transplanting after 2 years；If cultivated as greening seedling, thin planting transplanting to be carried out, continue to cultivate；First about 7 days of lifting Nursery lot is watered permeable, it is ensured that the dry moisture having abundance of Seedling；To ensure that seedling root is complete during lifting as far as possible.