CN103947331A - Method for accelerating emergence of strawberry seedlings - Google Patents
Method for accelerating emergence of strawberry seedlings Download PDFInfo
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- CN103947331A CN103947331A CN201410154756.1A CN201410154756A CN103947331A CN 103947331 A CN103947331 A CN 103947331A CN 201410154756 A CN201410154756 A CN 201410154756A CN 103947331 A CN103947331 A CN 103947331A
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Abstract
The invention relates to a strawberry breeding technology and discloses a method for accelerating the emergence of strawberry seedlings. The method comprises the following steps: soaking strawberry seeds for 1-2 hours in warm water at the temperature of 38 to 42 DEG C so as to enable seed husks to be softened; putting into a manual climatic box to accelerate the germination at the constant temperature of 25 DEG C; seeding the germination-accelerated seeds in a seeding tray in which a wet seedling growing medium is arranged; subsequently covering the surface of the seeding tray with the seedling growing medium; and keeping the seedling growing medium to be wet, growing the seedlings under a natural weather condition, and finally separating the seedlings. After the seeds are soaked in the warm water and subjected to the constant-temperature germination acceleration treatment, the emergence rate and the emergence uniformity are both increased greatly; the emergence can be realized after the germination-accelerated seeds are sown for 7-10 days, the emergence rate is above 90%, the emergence time is shortened greatly and the breeding efficiency is increased.
Description
Technical field
The present invention relates to Strwberry Breeding technology, related in particular to a kind of method that strawberry seedling is emerged of accelerating.
Background technology
The Fragaria rose family (Rosaceae) Fragaria (Fragaria), is perennial evergreen herbaceous plant, belongs to berry tree in horticulture.The fresh and tender succulence of strawberry fruit, sour-sweet perfume (or spice) is strongly fragrant, and unique flavor is nutritious, and compared with other fruit trees, the cultivation cycle is short, and suitable facility cultivation is the fruit tree that a kind of economic benefit is higher.The continuous improvement of strawberry cultivars, renewal are the bases of world's Strawberry industry development, and the strawberry cultivars being bred as both at home and abroad is so far mainly by conventional cross-breeding means, carries out seed selection acquisition with the offspring of growing directly from seeds of hybrid seed gained.Planting seed, obtaining seedling is one of important step in current Strwberry Breeding work.Can how improve strawberry seed sprouting strain rate, accelerate seedling and emerge, be improve breeding efficiency key point.Conventional seeding in nursery bed operation is more convenient, but the strain rate of emerging is low, and about 40%-50% is emerged slow, often will expend more than 1 month; Pickling is processed and is cut the method for part seed coat and seed germination rate can be brought up to more than 90%, but process complexity, operability is not strong, the effort of taking a lot of work, inefficiency.
Summary of the invention
The present invention is directed to that strawberry in prior art emerges slowly, process is complicated, go out that shoot survival percent is low, the shortcoming of inefficiency, provide a kind of method easy, workable, can accelerate the method that strawberry seedling is emerged, improved the strain rate of emerging.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
Accelerate the method that strawberry seedling is emerged, comprise the steps,
(1) by the emerge in worm water of 38 DEG C～42 DEG C 1～2 hour for strawberry seed;
(2) seed in step (1) is placed in to 25 DEG C of constant temperature vernalization of climatic cabinate 4～8 days;
(3) by step (2) through the seed broadcasting of vernalization at the seed tray that moistening seedling medium is housed, then at seed tray surface coverage seedling medium, keep seedling medium humidity, grow seedlings 7～10 days;
(4) point seedling after seedling grows 2 true leaves.
Strawberry seed is after emerge in worm water, 25 DEG C of constant temperature vernalization are processed, and emergence rate, the regularity of emerging of seed improve greatly, and emergence rate can reach more than 90%.The application's seed sprouting overall process is no more than 20 days, simple to operate, within the 1-3 of the conventional seed planting of vernalization month, does not emerge, and has greatly shortened seedling-growing time, has improved breeding efficiency.
As preferably, the strawberry seed soaking in step (1) is pulled out and is placed in the culture dish that is covered with moistening filter paper.
As preferably, the seed in step (2) in climatic cabinate is placed in the culture dish that is covered with moistening filter paper.
As preferably, in step (2) vernalization process, the filter paper in culture dish remains moistening.
The strawberry seed soaking is placed in the culture dish that is covered with moistening filter paper, and seed-bearing Sheng culture dish is placed in to the vernalization of climatic cabinate constant temperature, in this process, strawberry seed, always in moistening environment, is conducive to strawberry seed and absorbs in a large number moisture, is conducive to germination of strawberry seeds.
As preferably, the seed 60% of processing in step (2) shows money or valuables one carries unintentionally and stops vernalization.Show money or valuables one carries unintentionally as standard germination time taking seed 60%, can better ensure the regularity of emerging after planting, for follow-up seedling is transplanted and individual plant is selected and set up good basis.
As preferably, in step (3), seedling medium is peat and perlitic mixture.
As preferably, peat and perlite are prepared according to volume ratio 3:1.
As preferably, the seedling medium thickness that in step (3), the surface of the seed covers is 0.3～0.7cm.Strawberry the surface of the seed covers matrix, is retentive of moisture on the one hand, because seed needs large quantity of moisture in germination process, covers matrix and is conducive to seed and keeps enough moisture before not sending out roots; On the other hand, prevent from planting shell also on bud after seed from sprouting, seed can be taken off kind of a shell gradually in germination process, if it is too thin to cover matrix, after emerging, plant shell also on bud, just as people is branded as, be unfavorable for the growth in Strawberry Seedlings later stage, again because strawberry seed hulls is thick, so the matrix covering is thicker; In addition, the surface of the seed covers matrix the effect of lucifuge, and strawberry seed, in the time germinateing, does not need illumination, has light can make on the contrary the new root oxidation browning just having grown, and impact growth, therefore, need to cover certain thickness matrix at strawberry the surface of the seed.
As preferably, step (4) adopts nutritive cube to divide seedling.After growing 2 true leaves, seedling divides seedling with nutritive cube according to every alms bowl 1 strain.
The present invention, owing to having adopted above technical scheme, has significant technique effect:
(1) germination rate of seed, the regularity of emerging have significantly been improved.Seed is through emerge in worm water, 25 DEG C of constant temperature vernalization, and emergence rate, the regularity of emerging all improve greatly, and after planting 20 days, emergence rate can reach more than 90%.The application shows money or valuables one carries unintentionally as standard germination time taking seed 60%, can better ensure the regularity of emerging after planting, for follow-up seedling is transplanted and individual plant is selected and set up good basis.
(2) greatly shortened the time of emerging from being seeded into.Through the seed of vernalization, can emerge at after planting 7-10 days, add vernalization process, seed sprouting also only needs 12-17 days, emerges compared with the 1-3 of the conventional seed planting without vernalization month, has greatly shortened seedling-growing time, the breeding efficiency of raising.
(3) greatly improved the seedling quality of cultivating.Adopt the application a kind of to accelerate the method that strawberry seedling is emerged, greatly shorten the seed sprouting time, make seedling before field planting, have more plenty of time growth and accumulation nutriment, cultivate the seedling rhizome portion rugosity obtaining and can reach 0.6～0.8cm, there are 5～6 functional leafs, quality is outstanding, selects and creates favorable conditions for follow-up individual plant.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
Accelerate the method that strawberry seedling is emerged, comprise the steps,
(1) by the emerge in worm water of 40 DEG C 2 hours for strawberry seed, pull seed out, seed is evenly sprinkling upon in the culture dish that is covered with moistening filter paper;
(2) seed of containing seed-bearing culture dish in step (1) is placed in to 25 DEG C of constant temperature vernalization of climatic cabinate, during vernalization, keeps filter paper moistening, after being showed money or valuables one carries unintentionally by 60% seed in culture dish, stop vernalization;
(3) the seed uniform broadcasting through vernalization in step (2) is being equipped with to the seed tray of moistening seedling medium, seedling medium is that volume ratio is peat and the perlitic mixture of 3:1, again at the thick seedling medium of seed tray surface coverage 0.5cm, keep seedling medium humidity, under natural climate condition, grow seedlings 7～10 days;
(4) after growing 2 true leaves, seedling divides seedling with nutritive cube according to every alms bowl 1 strain.
Embodiment 2
Accelerate the method that strawberry seedling is emerged, comprise the steps,
(1) by the emerge in worm water of 38 DEG C 2 hours for strawberry seed, pull seed out, seed is evenly sprinkling upon in the culture dish that is covered with moistening filter paper;
(2) seed of containing seed-bearing culture dish in step (1) is placed in to 25 DEG C of constant temperature vernalization of climatic cabinate 4～8 days, during vernalization, keeps filter paper moistening, after being showed money or valuables one carries unintentionally by 60% seed in culture dish, stop vernalization;
(3) the seed uniform broadcasting through vernalization in step (2) is being equipped with to the seed tray of moistening seedling medium, seedling medium is that volume ratio is peat and the perlitic mixture of 3:1, again at the thick seedling medium of seed tray surface coverage 0.3cm, keep seedling medium humidity, under natural climate condition, grow seedlings 7～10 days;
(4) after growing 2 true leaves, seedling divides seedling with nutritive cube according to every alms bowl 1 strain.
Embodiment 3
Accelerate the method that strawberry seedling is emerged, comprise the steps,
(1) by the emerge in worm water of 42 DEG C 1 hour for strawberry seed, pull seed out, seed is evenly sprinkling upon in the culture dish that is covered with moistening filter paper;
(2) seed of containing seed-bearing culture dish in step (1) is placed in to 25 DEG C of constant temperature vernalization of climatic cabinate, during vernalization, keeps filter paper moistening, after being showed money or valuables one carries unintentionally by 60% seed in culture dish, stop vernalization;
(3) seed broadcasting through vernalization in step (2) is being equipped with to the seed tray of moistening seedling medium, seedling medium is that volume ratio is peat and the perlitic mixture of 3:1, again at the thick seedling medium of seed tray surface coverage 0.7cm, keep seedling medium humidity, under natural climate condition, grow seedlings 7～10 days;
(4) after growing 2 true leaves, seedling divides seedling with nutritive cube according to every alms bowl 1 strain.
Embodiment 4
Accelerate the method that strawberry seedling is emerged, comprise the steps,
(1) by the emerge in worm water of 40 DEG C 2 hours for strawberry seed, pull seed out, seed is evenly sprinkling upon in the culture dish that is covered with moistening filter paper;
(2) seed of containing seed-bearing culture dish in step (1) is placed in to 25 DEG C of constant temperature vernalization of climatic cabinate 4 days, during vernalization, keeps filter paper moistening;
(3) seed broadcasting through vernalization in step (2) is being equipped with to the seed tray of moistening seedling medium, seedling medium is that volume ratio is peat and the perlitic mixture of 3:1, again at the thick seedling medium of seed tray surface coverage 0.5cm, keep seedling medium humidity, under natural climate condition, grow seedlings 10 days;
(4) after growing 2 true leaves, seedling divides seedling with nutritive cube according to every alms bowl 1 strain.
Embodiment 5
Accelerate the method that strawberry seedling is emerged, comprise the steps,
(1) by the emerge in worm water of 40 DEG C 1 hour for strawberry seed, pull seed out, seed is evenly sprinkling upon in the culture dish that is covered with moistening filter paper;
(2) seed of containing seed-bearing culture dish in step (1) is placed in to 25 DEG C of constant temperature vernalization of climatic cabinate 7 days, during vernalization, keeps filter paper moistening;
(3) the seed uniform broadcasting through vernalization in step (2) is being equipped with to the seed tray of moistening seedling medium, seedling medium is that volume ratio is peat and the perlitic mixture of 3:1, again at the thick seedling medium of seed tray surface coverage 0.5cm, keep seedling medium humidity, under natural climate condition, grow seedlings 7 days;
(4) after growing 2 true leaves, seedling divides seedling with nutritive cube according to every alms bowl 1 strain.
Comparative example
By the emerge in worm water of 40 DEG C 1～2 hour for strawberry seed, then sow in the seed tray that moistening seedling medium is housed, seedling medium is that volume ratio is peat and the perlitic mixture of 3:1, again at the thick seedling medium of seed tray surface coverage 0.5cm, keep seedling medium humidity, under natural climate condition, grow seedlings, after seedling grows 2 true leaves, divide seedling with nutritive cube according to every alms bowl 1 strain.Record seedling raise period.
Table 1 is the total seedling raise period that adopts seedling-cultivating method cultivation strawberry seedling in embodiment 1,2,3,4,5 and comparative example
Total seedling raise period contrast of table 1 strawberry seedling
| Group | Time |
| Control group | 41 |
| Embodiment 1 | 13 |
| Embodiment 2 | 17 |
| Embodiment 3 | 16 |
| Embodiment 4 | 16 |
| Embodiment 5 | 15 |
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (9)
1. accelerate the method that strawberry seedling is emerged, it is characterized in that, comprise the steps:
(1) by the emerge in worm water of 38 DEG C～42 DEG C 1～2 hour for strawberry seed;
(2) seed in step (1) is placed in to 25 DEG C of constant temperature vernalization of climatic cabinate 4～8 days;
(3) by step (2) through the seed broadcasting of vernalization at the seed tray that moistening seedling medium is housed, then at seed tray surface coverage seedling medium, keep seedling medium humidity, grow seedlings 7～10 days;
(4) point seedling after seedling grows 2 true leaves.
2. a kind of method that strawberry seedling is emerged of accelerating according to claim 1, is characterized in that: the strawberry seed soaking in step (1) is pulled out and is placed in the culture dish that is covered with moistening filter paper.
3. a kind of method that strawberry seedling is emerged of accelerating according to claim 1, is characterized in that: the seed in step (2) in climatic cabinate is placed in the culture dish that is covered with moistening filter paper.
4. a kind of method that strawberry seedling is emerged of accelerating according to claim 3, is characterized in that: in step (2) vernalization process, filter paper interior in culture dish remains moistening.
5. a kind of method that strawberry seedling is emerged of accelerating according to claim 1, is characterized in that: the seed of processing in step (2) more than 60% shows money or valuables one carries unintentionally and stops vernalization.
6. a kind of method that strawberry seedling is emerged of accelerating according to claim 1, is characterized in that: in step (3), seedling medium is peat and perlitic mixture.
7. a kind of method that strawberry seedling is emerged of accelerating according to claim 6, is characterized in that: peat and perlite are prepared according to volume ratio 3:1.
8. a kind of method that strawberry seedling is emerged of accelerating according to claim 1, is characterized in that: the seedling medium thickness that in step (3), the surface of the seed covers is 0.3～0.7cm.
9. a kind of method that strawberry seedling is emerged of accelerating according to claim 1, is characterized in that: step (4) adopts nutritive cube to divide seedling.
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| CN104938325A (en) * | 2015-06-23 | 2015-09-30 | 安徽省农业科学院园艺研究所 | Strawberry hybridization and seed seedling method |
| CN105103718A (en) * | 2015-09-18 | 2015-12-02 | 江苏丘陵地区镇江农业科学研究所 | Method for promoting germination of strawberry seeds in advance |
| CN105123030A (en) * | 2015-10-19 | 2015-12-09 | 陈桂芳 | Seedling culturing method capable of raising emergency rate of strawberry seeds |
| CN105191633A (en) * | 2015-09-29 | 2015-12-30 | 淮北市四季蔬菜种植有限公司 | Seedling culturing method capable of raising emergence rate of strawberry seeds |
| CN106664880A (en) * | 2016-12-22 | 2017-05-17 | 阜阳市殿兴农业科技有限公司 | Seeding and seedling culture method of strawberry |
| CN112385530A (en) * | 2020-11-17 | 2021-02-23 | 云南省农业科学院花卉研究所 | Method for increasing seedling rate of space mutation strawberry seeds |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104938325A (en) * | 2015-06-23 | 2015-09-30 | 安徽省农业科学院园艺研究所 | Strawberry hybridization and seed seedling method |
| CN105103718A (en) * | 2015-09-18 | 2015-12-02 | 江苏丘陵地区镇江农业科学研究所 | Method for promoting germination of strawberry seeds in advance |
| CN105191633A (en) * | 2015-09-29 | 2015-12-30 | 淮北市四季蔬菜种植有限公司 | Seedling culturing method capable of raising emergence rate of strawberry seeds |
| CN105123030A (en) * | 2015-10-19 | 2015-12-09 | 陈桂芳 | Seedling culturing method capable of raising emergency rate of strawberry seeds |
| CN106664880A (en) * | 2016-12-22 | 2017-05-17 | 阜阳市殿兴农业科技有限公司 | Seeding and seedling culture method of strawberry |
| CN112385530A (en) * | 2020-11-17 | 2021-02-23 | 云南省农业科学院花卉研究所 | Method for increasing seedling rate of space mutation strawberry seeds |
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| CN103947331B (en) | 2016-06-15 |
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