CN102972169A - Method of anti-season cultivation of lettuce in summer - Google Patents
Method of anti-season cultivation of lettuce in summer Download PDFInfo
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- CN102972169A CN102972169A CN 201210443535 CN201210443535A CN102972169A CN 102972169 A CN102972169 A CN 102972169A CN 201210443535 CN201210443535 CN 201210443535 CN 201210443535 A CN201210443535 A CN 201210443535A CN 102972169 A CN102972169 A CN 102972169A
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Abstract
The invention relates to a method of anti-season cultivation of lettuce in summer, and belongs to the technical field of vegetable cultivation. Lettuce seed is wrapped up with medical gauze first of all, and is dipped into hot water with the temperature in the range of 50 DEG C to 60 DEG C to be sterilized through scald, and the lettuce seed is placed into water with room temperature to be soaked for 10 hours to 12 hours, and then the lettuce seed is placed into a freezing chamber of a freezer, and breaking dormancy treatment is carried out on the lettuce seed, and the lettuce seed is placed into a freshness retaining chamber of the freezer for accelerating germination. Exposure treatment is carried out at the same time of detection of mildew seed in the accelerating germination. Germination rate of the lettuce seed reaches more than 90% five days later, and the lettuce seed can be taken out and sowed. The method of the anti-season cultivation of the lettuce in summer is simple and feasible. So long as various links including sterilization, soaking seed, the breaking dormancy treatment in low-temperature environment and exposure of the seed are well mastered, germinating time of the seed can be greatly shortened, germination rate and germination quality of the seed can be improved, problems such as retted seed, large seeding rate, low germination rate and no seeding in planting of vast vegetable growers are solved, and the anti-season cultivation of the lettuce in summer can be achieved.
Description
Technical field
The invention belongs to the vegetable growing technical field, particularly a kind of romaine lettuce off-season cultivation method in summer.
Technical background
Romaine lettuce is leaf with being commonly called as of lettuce, and belongs to the composite family Lactuca.For annual or biennial herb crop, also be the popular vegetable of country of Europe, the United States, be loved by the people.Romaine lettuce originates in European Mediterranean, is tamed by wild species.Greeks, Roman are edible the earliest.The history that romaine lettuce imports China into is longer, and southeastern coast, the particularly suburbs, big city, Guangdong and Guangxi Provinces regional culture are more, and particularly the Taiwan plantation is particularly general.In recent years, area under cultivation enlarges rapidly, and romaine lettuce is also entered common people's dining table by hotel, restaurant.
Romaine lettuce belongs to half cold resistance vegetables, likes the moistening weather conditions that cool, not anti-sweltering heat.Romaine lettuce seed sprouting optimum temperature is 15～20 ℃, and temperature is lower than 4 ℃ or be obstructed poor germination because of kind of a skin suction when being higher than 25 ℃.At In Middle And Lower Reaches of Changjiang River, the romaine lettuce cultivation concentrates on season in spring and autumn, and summer culture is very difficult.Selecting heat resistant variety and breaking seed dormancy is the key that overcomes difficulties.Traditional dormancy breaking method is that seed is hung in well, utilizes apart from temperature, the humidity environment of the water surface 20 centimeters and carries out vernalization.But the method complex operation, it is larger affected by external environmental condition.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of romaine lettuce off-season cultivation method in summer simple, with low cost is provided, can realize the off-season cultivation in summer of romaine lettuce.
For realizing this purpose, the present invention adopts in low temperature environment the romaine lettuce seed is carried out the processing of low temperature fast dormancy breaking, first the romaine lettuce seed is wrapped up with medical crocus cloth, immerse and scald kind of a sterilization in the hot water, be placed on again in the water of room temperature and soak seed, then the refrigerating chamber of seed being put into refrigerator breaks to sleep processes the fresh-keeping chamber vernalization of putting into again refrigerator.Carry out exposure-processed during the vernalization when checking mildew seed, the Seed germination rate reaches more than 90% after 5 days, can take out in order to sowing.
Method of the present invention specifically comprises the steps:
1, seed disinfection: the romaine lettuce seed is rolled into kind of an attached bag with two-layer medical crocus cloth, and the volume of each attached bag is 10～20 cubic centimetres.Kind of attached bag is too large, and seed disinfection, seed soaking are inhomogeneous, plants that attached bag is too little then to waste time and energy for the mass disposal kind period of the day from 11 p.m. to 1 a.m.Then romaine lettuce kind attached bag is immersed in and scalds kind of 15～20 minutes kinds in about 50～60 ℃ hot water.Constantly stir during this time kind of an attached bag, seed is heated evenly.
2, seed soaking: the seed of above-mentioned sterilization is wrapped in the water of room temperature (15～25 ℃) and soaked seed 10～12 hours.
3, the broken dormancy processed: after the kind attached bag of above-mentioned seed soaking is drained away the water, put into the refrigerating chamber of refrigerator, placed 10～12 hours under-4 ℃～-6 ℃ conditions.
4, vernalization: put into the fresh-keeping chamber of refrigerator, vernalization under 8～10 ℃ of conditions through freezing kind attached bag with above-mentioned.Open during this time kind of attached bag every day 1 time, carry out exposure and process when checking mildew seed, seed begins to sprout after continuous 4 days, and the Seed germination rate reaches 90% and can take out sowing when above after 5 days.
5, sowing: broadcast front seedbed and water vola water, water oozes the fine earth that rear sieve spreads 0.1～0.2 cm thick, then sowing.Seed uniform broadcasting after processing on bed surface, is covered the thin bed soil of 0.3～0.5 cm thick after broadcasting, and the covered with sunshade net cooling of sheltering from heat or light.Regularly spray water every day 2～3 times, keep ground moistening, can remove shade net until 3～5 days behind the neat seedling, change the conventional cultivation management over to.
Beneficial effect of the present invention: the inventive method simple possible, as long as grasp broken dormancy processing and the seed exposure links of sterilization, seed soaking, low temperature environment, can greatly shorten seed germinating time, improve percentage of seedgermination and germination quality, solved that numerous vegetable growers macerate kind, the large amount of broadcasting in plantation, hang down germination rate and without problems such as seedlings, can realize the off-season cultivation in summer of romaine lettuce.Simple and practical, the easy grasp of the present invention, seed sprouting is fast, and quality is good, and safety hidden danger is low, can carry out as required large batch of seed treatment.
Embodiment
Below by specific embodiment technical scheme of the present invention is further described.
Select heat-resisting disease-resistant " Italy's four seasons romaine lettuce " to be cultivar.First the romaine lettuce seed is rolled into kind of an attached bag with two-layer medical crocus cloth, the volume of each attached bag is 15 cubic centimetres.Then romaine lettuce kind attached bag is immersed in about 55 ℃ hot water and scalds kind of 20 minutes kinds, carry out seed disinfection, during need constantly to stir kind of an attached bag, seed is heated evenly.Then the kind attached bag of above-mentioned sterilization is placed in the water about 18 ℃, soaked seed 12 hours.Then breaking and sleep processing, after the kind attached bag of soaking seed is drained away the water, putting into freezing 12 hours of the refrigerating chamber of refrigerator-6 ℃, putting into the fresh-keeping chamber of refrigerator with above-mentioned through freezing kind attached bag again, under 8 ℃ of conditions, carrying out vernalization.Open kind of attached bag 1 every day during the vernalization, carries out exposure and process when checking mildew seed, and seed begins to sprout after continuous 4 days, and the Seed germination rate reaches 95% and can take out sowing when above after 5 days.Broadcast front seedbed and water vola water, water oozes the fine earth that rear sieve spreads 0.1～0.2 cm thick, then sowing.Seed uniform broadcasting after processing on bed surface, is covered the thin bed soil of 0.3～0.5 cm thick after broadcasting, and the covered with sunshade net sunshading and temperature reducing.Regularly spray water every day 2～3 times, keep ground moistening, can remove shade net until 3～5 days behind the neat seedling and change the conventional cultivation management over to.Adopt the romaine lettuce per mu yield of the present invention's cultivation to reach more than 2500 kilograms.
Claims (1)
1. a romaine lettuce off-season cultivation method in summer is characterized in that comprising the steps:
1) seed disinfection: the romaine lettuce seed is rolled into kind of an attached bag with two-layer medical crocus cloth, and the volume of each attached bag is 10～20 cubic centimetres; Kind of attached bag is too large, and seed disinfection, seed soaking are inhomogeneous, plants that attached bag is too little then to waste time and energy for the mass disposal kind period of the day from 11 p.m. to 1 a.m; Then romaine lettuce kind attached bag is immersed in and scalds kind of 15～20 minutes kinds in about 50～60 ℃ hot water; Constantly stir during this time kind of an attached bag, seed is heated evenly;
2) seed soaking: the seed of above-mentioned sterilization is wrapped in the water of room temperature (15～25 ℃) and soaked seed 10～12 hours;
3) the broken dormancy processed: after the kind attached bag of above-mentioned seed soaking is drained away the water, put into the refrigerating chamber of refrigerator, placed 10～12 hours under-4 ℃～-6 ℃ conditions;
4) vernalization: put into the fresh-keeping chamber of refrigerator, vernalization under 8～10 ℃ of conditions through freezing kind attached bag with above-mentioned; Open during this time kind of attached bag every day 1 time, carry out exposure and process when checking mildew seed, seed begins to sprout after continuous 4 days, and the Seed germination rate reaches 90% and takes out when above and sow after 5 days;
5) sowing: broadcast front seedbed and water vola water, water oozes the fine earth that rear sieve spreads 0.1～0.2 cm thick, then sowing; Seed uniform broadcasting after processing on bed surface, is covered the thin bed soil of 0.3～0.5 cm thick after broadcasting, and the covered with sunshade net cooling of sheltering from heat or light; Regularly spray water every day 2～3 times, keep ground moistening, can remove shade net until 3～5 days behind the neat seedling, change the conventional cultivation management over to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210443535 CN102972169A (en) | 2012-11-08 | 2012-11-08 | Method of anti-season cultivation of lettuce in summer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210443535 CN102972169A (en) | 2012-11-08 | 2012-11-08 | Method of anti-season cultivation of lettuce in summer |
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| CN102972169A true CN102972169A (en) | 2013-03-20 |
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| CN 201210443535 Pending CN102972169A (en) | 2012-11-08 | 2012-11-08 | Method of anti-season cultivation of lettuce in summer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104351057A (en) * | 2014-11-24 | 2015-02-18 | 毛艳玲 | Planting method of sterile and ready-to-eat lettuce |
| CN104541918A (en) * | 2015-01-28 | 2015-04-29 | 南农大(常熟)新农村发展研究院有限公司 | Cultivation method capable of preventing lettuce oversummer bolting |
| CN104620834A (en) * | 2015-02-27 | 2015-05-20 | 北京农学院 | Selenium-enriched cultivation method for leading romaine lettuce |
| CN105165327A (en) * | 2015-08-25 | 2015-12-23 | 贵州关岭阿依苗生态农业发展有限公司 | Lettuce planting method |
| CN105684684A (en) * | 2014-11-28 | 2016-06-22 | 广西大学 | Summer shading and covering cultivation method for lettuce |
| CN106105643A (en) * | 2016-06-27 | 2016-11-16 | 安徽梅兰园林景观工程有限公司 | A kind of Caulis et Folium Lactucae Sativae implantation methods |
-
2012
- 2012-11-08 CN CN 201210443535 patent/CN102972169A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104351057A (en) * | 2014-11-24 | 2015-02-18 | 毛艳玲 | Planting method of sterile and ready-to-eat lettuce |
| CN105684684A (en) * | 2014-11-28 | 2016-06-22 | 广西大学 | Summer shading and covering cultivation method for lettuce |
| CN104541918A (en) * | 2015-01-28 | 2015-04-29 | 南农大(常熟)新农村发展研究院有限公司 | Cultivation method capable of preventing lettuce oversummer bolting |
| CN104620834A (en) * | 2015-02-27 | 2015-05-20 | 北京农学院 | Selenium-enriched cultivation method for leading romaine lettuce |
| CN105165327A (en) * | 2015-08-25 | 2015-12-23 | 贵州关岭阿依苗生态农业发展有限公司 | Lettuce planting method |
| CN106105643A (en) * | 2016-06-27 | 2016-11-16 | 安徽梅兰园林景观工程有限公司 | A kind of Caulis et Folium Lactucae Sativae implantation methods |
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Application publication date: 20130320 |