CN104541918A - Cultivation method capable of preventing lettuce oversummer bolting - Google Patents
Cultivation method capable of preventing lettuce oversummer bolting Download PDFInfo
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- CN104541918A CN104541918A CN201510042721.3A CN201510042721A CN104541918A CN 104541918 A CN104541918 A CN 104541918A CN 201510042721 A CN201510042721 A CN 201510042721A CN 104541918 A CN104541918 A CN 104541918A
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- lettuce
- cultivation method
- romaine lettuce
- summer
- bolting
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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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- Botany (AREA)
- Environmental Sciences (AREA)
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Abstract
The invention relates to a cultivation method capable of preventing lettuce oversummer bolting. The cultivation method includes selecting proper varieties; subjecting seeds to low-temperature treatment for accelerating germination; adopting proper planting density; adopting inner and outer sunshade nets and a wet curtain fan for cooling and early recovery. By the cultivation method, premature bolting caused by improper variety selection, high temperature and strong light can be avoided, temperature of small environment is lowered, and proper growing conditions are provided for lettuce. By the cultivation method, lettuce can normally grow adverse situation conditions like high temperature and strong light, off-season cultivation can be realized, and economic benefit of lettuce can be increased. The cultivation method is suitable for serving as a lettuce oversummer cultivation method and has great popularization and application prospect.
Description
Technical field
A kind of cultivation method preventing romaine lettuce from getting over summer bolting of the present invention, belongs to technical field of vegetable cultivation, is exclusively used in the facility cultivations such as attached-greenhouse in summer.
Background technology
The Growth of Lettuce cycle is short, is rich in the necessary vitamin of multiple human body and mineral matter.Romaine lettuce another name lettuce, belonging to composite family Lactuca plant, is the higher pot-herb of a kind of nutritive value.Romaine lettuce nutritive value is increased, and mainly to eat raw, is the indispensable vegetables such as cold and dressed with sauce salad, hamburger.In each big city of China, become again Common Vegetables in Common People in recent years, can eat raw, also can quick-fried or mutton cooked in a chafing pot.
The facility romaine lettuce cultivations such as booth, small investment, technology is simple, and growth cycle is short, within 1 year, can realize many batches times and produce, economic benefits.But because summer high temperature, romaine lettuce cannot be cultivated in most of area, only in the area on the low side plantation of minority temperature, then transport all parts of the country to, and add cost of transportation, reduce economic benefit.
Summary of the invention
The present invention is directed to above-mentioned problems of the prior art, provide a kind of cultivation method preventing romaine lettuce from getting over summer bolting, can effectively solve Problems existing in current production, avoid the improper and production management of variety adoption improper cause ruin product, and can cost of transportation be reduced, there is fabulous popularizing application prospect.
For solving above-mentioned existing production Problems existing, the technical scheme that the present invention takes is: a kind of summer cultivation method preventing romaine lettuce from getting over bolting, comprises the steps:
1) adapted varieties is selected:
Select resistance to bolting or to the insensitive kind of High temperature, breediness requires precocious, and breeding time is shorter, high yield, disease-resistant and strong stress resistance;
2) seed low temperature treatment
There is dormancy in summer in romaine lettuce seed, namely high temperature suppresses romaine lettuce seed sprouting, need during presoaking and germinating first to carry out to a certain degree low temperature treatment, breaking dormancy, method is: first by romaine lettuce seed 55 DEG C of lukewarm water sterilization 20-30 min, and by the wet husky cloth parcel of seed after soak at room temperature 3-6 h, the refrigerator 1-3 days putting into 5 ~ 10 DEG C carries out low-temperature germination, breaking dormancy, then sows;
3) nursery
By the planting seed that carries out processing in seedling culture hole plate, be put on seedling bed, water sufficient moisture, the morning, 10:00 was when 3:00 in afternoon, and open fan and pad and sunshade net cooling, in good time spray nutritious liquor, promotes strong sprout;
4) spacing in the rows
During 4-5 sheet true leaf, by the spacing in the rows field planting of 25-30cm, the suitable sparse plantation of lettuce in summer cultivation, is beneficial to ventilation and heat wet down, and then exempts from hot and humid initiation romaine lettuce bolting and rotten leaf;
5) inside and outside sunshade net and the cooling of wet curtain blower fan
More summer romaine lettuce is planted in multispan greenhouse, in the summer that time is longer in the daytime, when 9:00 to 4:00 in afternoon in the morning, open external sunshade net, the morning 10:00 up to afternoon 3:00 open internal sunshade net, open fan and pad simultaneously, temperature in attached-greenhouse is controlled at 28 DEG C and following;
6) gather ahead of time
Long summer cultivation romaine lettuce can be gathered than doing sth. in advance its breeding time 5-10 days when gathering.
Further, the described romaine lettuce seedling cultivation time is: after band seedling grows to 4 leaf 1 hearts, selects plant in attached-greenhouse by the spacing in the rows of 25-39cm after 4:30 the afternoon of cloudy day or fine day in good time, and other management is with conventional.
Compared with existing production cultivation management technology, a kind of cultivation method tool preventing romaine lettuce from getting over summer bolting of the present invention has the following advantages and good effect:
Adopt a kind of cultivation method preventing romaine lettuce kind from getting over summer bolting provided by the present invention, effectively can solve during current romaine lettuce is produced the region restricted problem existed, avoid the improper and miscarriage of variety adoption simultaneously and cause the loss of ruining and producing and bringing, seedling stage sunshade net and wet curtain blower fan cooling process, effectively inhibit seedling excessive growth; Select suitable planting density, ensure that stable high yield; Take fan and pad and inside and outside sunshade net cooling process vegetative period, reduce the temperature of subenvironment, effectively inhibit the bolting that High temperature causes, prevent romaine lettuce from getting over an employing for the cultivation method of summer bolting, successfully realize the plantation of romaine lettuce in the facilities such as southern area of Jiangsu Province summer high temperature attached-greenhouse in season.
embodiment:
Embodiment 1
Prevent romaine lettuce from getting over a cultivation method for summer bolting, comprise the steps:
1) first romaine lettuce " broken leaf hare's-lettuce " seed 20-30 min was soaked with 55 DEG C of lukewarm waters June 30 in Suzhou District, Jiangsu Province, after be positioned under room temperature clear water in soak 3-6 h, then within 2 days, low-temperature germination is carried out in refrigerator seed being positioned over 5 ~ 10 DEG C, breaking dormancy, seed take out after be namely seeded in get ready seedling medium cave dish in, seedling-cultivating method carries out seedbed management routinely, attentional manipulation nursery indoor temperature and humidity during nursery, open sunshade net and fan and pad in good time and carry out shading cooling process, the cover time of sunshade net is when being 9:00 to 4:00 in afternoon in the morning, fan and pad opening time be the morning 10:00 when 3:00 in afternoon, all the other times see that light is short long as far as possible,
2) when seedling reaches 4 leaf 1 heart, select cloudy day or fine day to go down after 4:30 and plant in attached-greenhouse by the spacing in the rows of 25-30cm in good time;
3) more summer romaine lettuce is planted in multispan greenhouse, the summer that time is longer in the daytime, external sunshade net is opened when 9:00 to 4:00 in afternoon in the morning, the morning 10:00 up to afternoon 3:00 open internal sunshade net, open fan and pad simultaneously, temperature in attached-greenhouse controlled at 28 DEG C and following, all the other times see that light is short long as far as possible;
4) gather ahead of time, broken leaf hare's-lettuce 70-80 days breeding time, therefore, more summer romaine lettuce " broken leaf hare's-lettuce " will be gathered in time when the 70th of its breeding time day, thus stops Yin Gaowen bolting and cause ruin product;
A kind of utilization preventing romaine lettuce from getting over the cultivation method of summer bolting described in embodiment 1, break romaine lettuce in the few region restriction maybe cannot planted of high temperature season plantation, romaine lettuce can be made to plant in the facility of different regions, realize romaine lettuce off-season cultivation, increase economic efficiency, have fabulous popularizing application prospect.
Claims (2)
1. prevent romaine lettuce from getting over a cultivation method for summer bolting, it is characterized in that, comprise the steps:
1 )select adapted varieties: select resistance to bolting, high temperature resistant high light or to the insensitive kind of High temperature, breediness requires precocious, and breeding time is shorter, high yield, disease-resistant and strong stress resistance;
2 )seed low temperature treatment: romaine lettuce seed exists dormancy in summer, namely high temperature suppresses romaine lettuce seed sprouting, need during presoaking and germinating first to carry out to a certain degree low temperature treatment, breaking dormancy, method is: first by romaine lettuce seed 55 DEG C of lukewarm water sterilization 20-30 min, and by the wet husky cloth parcel of seed after soak at room temperature 3-6 h, the refrigerator 1-3 days putting into 5 ~ 10 DEG C carries out low-temperature germination, breaking dormancy, then sows;
3 )nursery: by seedling culture hole plate on seedling bed of the planting seed that carries out processing;
4 )the morning, 10:00 was when 3:00 in afternoon, opened fan and pad and sunshade net cooling, prevented seedling excessive growth, in good time spray nutritious liquor, promote strong sprout;
5 )spacing in the rows: during 4-5 sheet true leaf, by the spacing in the rows field planting of 25-30cm, the suitable sparse plantation of lettuce in summer cultivation, is beneficial to ventilation and heat wet down, and then avoids hot and humid initiation romaine lettuce bolting and rotten leaf;
6 )inside and outside sunshade net and the cooling of wet curtain blower fan: more summer romaine lettuce is planted in multispan greenhouse, the summer that time is longer in the daytime, external sunshade net is opened when 9:00 to 4:00 in afternoon in the morning, the morning 10:00 up to afternoon 3:00 open internal sunshade net, open fan and pad simultaneously, temperature in attached-greenhouse is controlled at 28 DEG C and following;
7 )gather ahead of time: Long summer cultivation romaine lettuce can be gathered than doing sth. in advance its breeding time 5-10 days when gathering.
2. the romaine lettuce Long summer cultivation method according to claims 1, it is characterized in that, the described Seeding planting time is: reach after 4 leaf 1 hearts until seedling, plants in the booth of attached-greenhouse after selecting cloudy day or fine day 4:30 in afternoon by the spacing in the rows of 25-30cm in good time, and other management is with conventional.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510042721.3A CN104541918A (en) | 2015-01-28 | 2015-01-28 | Cultivation method capable of preventing lettuce oversummer bolting |
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| CN201510042721.3A CN104541918A (en) | 2015-01-28 | 2015-01-28 | Cultivation method capable of preventing lettuce oversummer bolting |
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| CN104541918A true CN104541918A (en) | 2015-04-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105794616A (en) * | 2016-04-06 | 2016-07-27 | 中喜生态产业股份有限公司 | Seed nutrient solution cultivation method |
| CN107047050A (en) * | 2017-06-19 | 2017-08-18 | 贵州山乡原生态农业开发有限公司 | It is a kind of to break the cultural method for rescuing heart dish summer dormancy and the annually cultivating method for rescuing heart dish |
| CN107593403A (en) * | 2017-09-13 | 2018-01-19 | 佛山市三水区嘉信农业技术研究院（普通合伙） | A kind of implantation methods of Silicon-rich lettuce |
| CN108094170A (en) * | 2017-12-13 | 2018-06-01 | 佛山推启农业研究院（普通合伙） | A kind of selenium-rich Lactuca method for growing vegetables |
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- 2015-01-28 CN CN201510042721.3A patent/CN104541918A/en active Pending
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105794616A (en) * | 2016-04-06 | 2016-07-27 | 中喜生态产业股份有限公司 | Seed nutrient solution cultivation method |
| CN107047050A (en) * | 2017-06-19 | 2017-08-18 | 贵州山乡原生态农业开发有限公司 | It is a kind of to break the cultural method for rescuing heart dish summer dormancy and the annually cultivating method for rescuing heart dish |
| CN107593403A (en) * | 2017-09-13 | 2018-01-19 | 佛山市三水区嘉信农业技术研究院（普通合伙） | A kind of implantation methods of Silicon-rich lettuce |
| CN108094170A (en) * | 2017-12-13 | 2018-06-01 | 佛山推启农业研究院（普通合伙） | A kind of selenium-rich Lactuca method for growing vegetables |
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