CN104396661A - Pseudotsuga brevifolia seedling-raising method - Google Patents
Pseudotsuga brevifolia seedling-raising method Download PDFInfo
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- CN104396661A CN104396661A CN201410570907.1A CN201410570907A CN104396661A CN 104396661 A CN104396661 A CN 104396661A CN 201410570907 A CN201410570907 A CN 201410570907A CN 104396661 A CN104396661 A CN 104396661A
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- seed
- seedling
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- short leaf
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
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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
- 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
- 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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- Environmental Sciences (AREA)
- Botany (AREA)
- Soil Sciences (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention discloses a pseudotsuga brevifolia seedling-raising method comprising the steps of seed selection, seed treatment, seedbed seedling-raising, sowing seedling-raising, and the like. During the seed treatment process, low-temperature treatment is first carried out, and agent and warm water treatments are carried out, such that seed germination is accelerated, and defects such as slow germination and irregular emergence are solved. With the treatments, propagation of tree varieties with seedling-raising difficulties is turned simple and fast. While germination rate is improved, seed treatment cost is saved. With a laminated substrate provided by the invention, substrate breathability is increased, such that seed breathing is facilitated, and a seed dormancy-ending process is accelerated. Therefore, the selection of substrate facilitates seed germination.
Description
Technical field
The present invention relates to a kind of seedling-cultivating method, be specifically related to the seedling-cultivating method of a kind of short leaf Douglas fir.
Background technology
Short leaf Douglas fir belongs to Pinaceae, Classification system Pseudotsuga brevifolia Cheng.Aiphyllium, high 6 ~ 10 meters.Bark brown, lobe becomes flakey.Leaf helical arrangement.Monoecism, the single leave armpit of male cone, female cone is singly born in side shoot top.Cone is sagging, ovum shape ellipse or oval, long 3.7 ~ 6.5 centimetres, diameter 3 ~ 4 centimetres.Be faint yellow or brown time ripe.On the ancient mountain of the scattered limestone being distributed in the Guangxi China west and south and South of Guizhou some areas.For heliophilous species, drought resistance is strong, is the peculiar kind of calcium soil, grows at the mountain top of ancient limestone tor or upward slope, often scattered in sparse woods.Natural regeneration ability is strong, and seed can wave with the wind and be born.In April at florescence, cone is ripe for October.This kind is the kind that Pseudotsuga is uniquely grown on Limestone Mountain, and material is fine.Research at present for the nursery of short leaf Douglas fir is also few, and it is low to there is planting percent, the shortcoming that cost is high.
Summary of the invention
For the nursery present situation existed at present, the technical problem that the present invention mainly solves is to provide one can improve seed planting percent, efficiently short leaf Douglas fir seedling-cultivating method fast.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is:
A kind of short leaf Douglas fir seedling-cultivating method, comprises the following steps:
(1) seed is selected: first to gather season ripe seed at fruit maturation, select full grains, unsplit seed, selects one time after drying again, ensures its survival rate;
(2) seed treatment: first by mixed for short leaf Douglas fir seed wet husky, in the environment that zero setting is lower less than 5 DEG C freezing 30 ~ 40 days, then short leaf Douglas fir seed is first steeped 1 hour with clear water, soak 20 ~ 30 minutes with the mercuric chloride solution that mass concentration is 0.1 ~ 0.3% again, seed uses 60 ~ 70 DEG C of water seed soakings again after sterilization, abundant stirring 1 hour, water temperature is made to be down to 20 ~ 30 DEG C, soak 1 round the clock, pull out to load in basket or basket to build with wet cloth and be placed on warm place, seed after immersion adds clear water to carry out crumpling and washing, rubbing degree is that the wax layer on the surface of short leaf Douglas fir seed is destroyed, sowed and carried out nursery cultivation into seedbed,
(3) seedbed nursery: first to mix with seed with sand, vermiculite, perlite and put into wooden case, mixing quality ratio is sand: vermiculite: perlite: seed=2:3:2:1, evenly admix plant growth regulator again, then cover fine earth 1-2cm, keep humidity with plastic film covering; The consumption of described plant growth regulator is stirring once for 0.3 ~ 0.5%, 3-5 day of seed weight, should choose in time if find that there is mildew and rot seed; Described plant growth regulator is: growth hormone 20-40ppm, 6-BA 30-50ppm, surplus are water;
(4) from the 20th day, observe seed and whether have breach, within every 3 days, observe once, when more than 2/3 in seed has breach, for sowing;
(5) seeding and seedling raising: drilling, will shade after emerging, and seedling is afraid of to burn day, the light transmittance 15%-20% of cool canopy, and wants diligent weeding, within 15-20 days, waters 1 light urea water or clear liquid dung carries seedling, can transplant by open country after 1 year.
The invention has the beneficial effects as follows:
In seed treatment processes, first through low temperature treatment, and then through medicament and warm water process, accelerate the sprouting of seed, solve that seed sprouting is slow, irregular deficiency of emerging, what the seeds breeding of the difficulty of nursery was originally become is simple, quick.And while raising germination rate, in turn save the disposal cost of seed.The lamination matrix that the present invention prepares, adds the gas permeability of matrix, and then is conducive to the breathing of seed, and accelerate the broken dormancy process of seed, therefore the selection of matrix is conducive to the sprouting of seed.
Utilize seedling-cultivating method of the present invention, the survival rate of seedling of short leaf Douglas fir improves greatly.
Embodiment
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Embodiment 1
A kind of short leaf Douglas fir seedling-cultivating method, comprises the following steps:
(1) seed is selected: first to gather season ripe seed at fruit maturation, select full grains, unsplit seed, selects one time after drying again, ensures its survival rate;
(2) seed treatment: first by mixed for short leaf Douglas fir seed wet husky, in the environment that zero setting is lower less than 5 DEG C freezing 30 days, then short leaf Douglas fir seed is first steeped 1 hour with clear water, 20 minutes are soaked again with the mercuric chloride solution that mass concentration is 0.1%, seed uses 60 DEG C of water seed soakings again after sterilization, abundant stirring 1 hour, water temperature is made to be down to 20 DEG C, soak 1 round the clock, pull out to load in basket or basket to build with wet cloth and be placed on warm place, seed after immersion adds clear water to carry out crumpling and washing, rubbing degree is that the wax layer on the surface of short leaf Douglas fir seed is destroyed, sowed and carried out nursery cultivation into seedbed,
(3) seedbed nursery: first to mix with seed with sand, vermiculite, perlite and put into wooden case, mixing quality ratio is sand: vermiculite: perlite: seed=2:3:2:1, evenly admix plant growth regulator again, then cover fine earth 1cm, keep humidity with plastic film covering; The consumption of described plant growth regulator is stir once for 0.3% of seed weight, 3 days, should choose in time if find that there is mildew and rot seed; Described plant growth regulator is: growth hormone 20ppm, 6-BA 30ppm, surplus are water;
(4) from the 20th day, observe seed and whether have breach, within every 3 days, observe once, when more than 2/3 in seed has breach, for sowing;
(5) seeding and seedling raising: drilling, will shade after emerging, and seedling is afraid of to burn day, the light transmittance 15%% of cool canopy, and wants diligent weeding, within 15 days, waters 1 light urea water or clear liquid dung carries seedling, can transplant by open country after 1 year.
Through statistics, survival rate of seedling is 86%.
Embodiment 2
A kind of short leaf Douglas fir seedling-cultivating method, comprises the following steps:
(1) seed is selected: first to gather season ripe seed at fruit maturation, select full grains, unsplit seed, selects one time after drying again, ensures its survival rate;
(2) seed treatment: first by mixed for short leaf Douglas fir seed wet husky, in the environment that zero setting is lower less than 5 DEG C freezing 40 days, then short leaf Douglas fir seed is first steeped 1 hour with clear water, 30 minutes are soaked again with the mercuric chloride solution that mass concentration is 0.3%, seed uses 70 DEG C of water seed soakings again after sterilization, abundant stirring 1 hour, water temperature is made to be down to 30 DEG C, soak 1 round the clock, pull out to load in basket or basket to build with wet cloth and be placed on warm place, seed after immersion adds clear water to carry out crumpling and washing, rubbing degree is that the wax layer on the surface of short leaf Douglas fir seed is destroyed, sowed and carried out nursery cultivation into seedbed,
(3) seedbed nursery: first to mix with seed with sand, vermiculite, perlite and put into wooden case, mixing quality ratio is sand: vermiculite: perlite: seed=2:3:2:1, evenly admix plant growth regulator again, then cover fine earth 2cm, keep humidity with plastic film covering; The consumption of described plant growth regulator is stir once for 0.5% of seed weight, 5 days, should choose in time if find that there is mildew and rot seed; Described plant growth regulator is: growth hormone 40ppm, 6-BA 50ppm, surplus are water;
(4) from the 20th day, observe seed and whether have breach, within every 3 days, observe once, when more than 2/3 in seed has breach, for sowing;
(5) seeding and seedling raising: drilling, will shade after emerging, and seedling is afraid of to burn day, the light transmittance 20% of cool canopy, and wants diligent weeding, within 20 days, waters 1 light urea water or clear liquid dung carries seedling, can transplant by open country after 1 year.
Through statistics, survival rate of seedling is 89%.
Embodiment 3
A kind of short leaf Douglas fir seedling-cultivating method, comprises the following steps:
(1) seed is selected: first to gather season ripe seed at fruit maturation, select full grains, unsplit seed, selects one time after drying again, ensures its survival rate;
(2) seed treatment: first by mixed for short leaf Douglas fir seed wet husky, in the environment that zero setting is lower less than 5 DEG C freezing 35 days, then short leaf Douglas fir seed is first steeped 1 hour with clear water, 25 minutes are soaked again with the mercuric chloride solution that mass concentration is 0.2%, seed uses 65 DEG C of water seed soakings again after sterilization, abundant stirring 1 hour, water temperature is made to be down to 25 DEG C, soak 1 round the clock, pull out to load in basket or basket to build with wet cloth and be placed on warm place, seed after immersion adds clear water to carry out crumpling and washing, rubbing degree is that the wax layer on the surface of short leaf Douglas fir seed is destroyed, sowed and carried out nursery cultivation into seedbed,
(3) seedbed nursery: first to mix with seed with sand, vermiculite, perlite and put into wooden case, mixing quality ratio is sand: vermiculite: perlite: seed=2:3:2:1, evenly admix plant growth regulator again, then cover fine earth 1cm, keep humidity with plastic film covering; The consumption of described plant growth regulator is stir once for 0.4% of seed weight, 4 days, should choose in time if find that there is mildew and rot seed; Described plant growth regulator is: growth hormone 30ppm, 6-BA 40ppm, surplus are water;
(4) from the 20th day, observe seed and whether have breach, within every 3 days, observe once, when more than 2/3 in seed has breach, for sowing;
(5) seeding and seedling raising: drilling, will shade after emerging, and seedling is afraid of to burn day, the light transmittance 17% of cool canopy, and wants diligent weeding, within 18 days, waters 1 light urea water or clear liquid dung carries seedling, can transplant by open country after 1 year.
Through statistics, survival rate of seedling is 88%.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (1)
1. a short leaf Douglas fir seedling-cultivating method, is characterized in that, comprise the following steps:
(1) seed is selected: first to gather season ripe seed at fruit maturation, select full grains, unsplit seed, selects one time after drying again, ensures its survival rate;
(2) seed treatment: first by mixed for short leaf Douglas fir seed wet husky, in the environment that zero setting is lower less than 5 DEG C freezing 30 ~ 40 days, then short leaf Douglas fir seed is first steeped 1 hour with clear water, soak 20 ~ 30 minutes with the mercuric chloride solution that mass concentration is 0.1 ~ 0.3% again, seed uses 60 ~ 70 DEG C of water seed soakings again after sterilization, abundant stirring 1 hour, water temperature is made to be down to 20 ~ 30 DEG C, soak 1 round the clock, pull out to load in basket or basket to build with wet cloth and be placed on warm place, seed after immersion adds clear water to carry out crumpling and washing, rubbing degree is that the wax layer on the surface of short leaf Douglas fir seed is destroyed, sowed and carried out nursery cultivation into seedbed,
(3) seedbed nursery: first to mix with seed with sand, vermiculite, perlite and put into wooden case, mixing quality ratio is sand: vermiculite: perlite: seed=2:3:2:1, evenly admix plant growth regulator again, then cover fine earth 1-2cm, keep humidity with plastic film covering; The consumption of described plant growth regulator is stirring once for 0.3 ~ 0.5%, 3-5 day of seed weight, should choose in time if find that there is mildew and rot seed; Described plant growth regulator is: growth hormone 20-40ppm, 6-BA 30-50ppm, surplus are water;
(4) from the 20th day, observe seed and whether have breach, within every 3 days, observe once, when more than 2/3 in seed has breach, for sowing;
(5) seeding and seedling raising: drilling, will shade after emerging, and seedling is afraid of to burn day, the light transmittance 15%-20% of cool canopy, and wants diligent weeding, within 15-20 days, waters 1 light urea water or clear liquid dung carries seedling, can transplant by open country after 1 year.
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| CN201410570907.1A CN104396661A (en) | 2014-10-23 | 2014-10-23 | Pseudotsuga brevifolia seedling-raising method |
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| CN201410570907.1A CN104396661A (en) | 2014-10-23 | 2014-10-23 | Pseudotsuga brevifolia seedling-raising method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104521490A (en) * | 2014-12-12 | 2015-04-22 | 陈蓝天 | Low-cost cedar planting method |
| CN104938271A (en) * | 2015-05-28 | 2015-09-30 | 安徽泾县金星宣纸有限公司 | Preraceltis tatarinowii planting method |
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2014
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104521490A (en) * | 2014-12-12 | 2015-04-22 | 陈蓝天 | Low-cost cedar planting method |
| CN104938271A (en) * | 2015-05-28 | 2015-09-30 | 安徽泾县金星宣纸有限公司 | Preraceltis tatarinowii planting method |
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Application publication date: 20150311 |