CN101785408A - Method for improving growth vigor of plants in tropical zone and subtropical zone - Google Patents
Method for improving growth vigor of plants in tropical zone and subtropical zone Download PDFInfo
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- CN101785408A CN101785408A CN 201010120918 CN201010120918A CN101785408A CN 101785408 A CN101785408 A CN 101785408A CN 201010120918 CN201010120918 CN 201010120918 CN 201010120918 A CN201010120918 A CN 201010120918A CN 101785408 A CN101785408 A CN 101785408A
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Abstract
The invention discloses a method for improving growth of plants in the tropical zone and the subtropical zone, which comprises the following steps that: water is sprayed on the leaves of plants at night so as to obtain the plants with improved growth vigor. The experiment proves that: the temperature of the sprayed water is lower than the atmospheric temperature, so the temperature difference between day and night can be enlarged, the accumulation of assimilation products of pakchoi at night can be realized, the growth of the pakchoi can be promoted so as to improve the growth vigor of the pakchoi, the improvement of the growth vigor can be realized both at the temperature difference of 13 or 20 DEG C between the water temperature and the atmospheric temperature, and the water spraying frequency is appropriately controlled at one time per hour. By adopting the method, in the unfavorable environment of high temperature and small temperature difference between day and night, the growth of the pakchoi can be promoted, so the difficulty that the growth of the pakchoi is slow and the accumulation quantity of the assimilation products of the pakchoi is less in the tropical climate can be solved.
Description
Technical field
The present invention relates to a kind of method that improves the growing way of the torrid zone, subtropical zone plant.
Background technology
A variety of Chinese cabbage is commonly called as Chinese cabbage, formal name used at school: Brassica rapa L.Chinensis Group. (B.chinensisL.) Cruciferae-Brassicas, and the annual herb plant, color is blue or green.
According to surveying and determination, a variety of Chinese cabbage is to contain the abundantest dish of minerals and vitamins in the vegetables.The important source of vitamin especially is fit to the place plantation of the sufficient fresh vegetabless of shortage such as island as a supplement.
A variety of Chinese cabbage is nutritious, and the calcium content height is the desirable vegetables of control vitamin D deficiency (rickets); Abundant vitamin B1, vitamin B6, pantothenic acid etc. also have and alleviate nervous function; In addition, the vitamin A of high-load, vitamin C, vitamin B complex, potassium, selenium etc. help angiocardiopathy preventing, reduce cancer stricken danger, and can lead to the sharp stomach of intestines, promote the intestinal tube wriggling, keep free movement of the bowels.Can also the invigorating the spleen diuresis, promote to absorb, and help urticarial disappearing.
Rely on its abundant nutrition and good mouthfeel, a variety of Chinese cabbage becomes normal edible vegetables in people's life, extensively plants in China various places.A variety of Chinese cabbage is various in style, and is heat-resisting cold-resistant, all can annual plant in China various places.
Although growth conditions is comparatively loose, a variety of Chinese cabbage still has requirement to growth temperature.The happiness of a variety of Chinese cabbage property cools, and when temperature was low, carbohydrate containing, soluble protein, unsaturated fatty acid, content of phospholipid all increased, and drought-resistant ability also strengthens thereupon.In general, the suitable growth temperature of a variety of Chinese cabbage is 18～25 ℃.And the day and night temperature of suitable growth is also about 10 ℃.Though therefore can extensively plant in the whole nation, in the special climate of the high hot high humidity in the torrid zone, southern subtropics, the growth of a variety of Chinese cabbage still has significant limitation.
The torrid zone, subtropical zone monthly mean temperature are between 29 to 35 ℃, and sunny, rainfall is plentiful, high humidity.This temperature height, the particular surroundings that day and night temperature is little are unfavorable for the accumulation of assimilation substance behind the photosynthesis of plant very much, so the vegetables that property happiness such as a variety of Chinese cabbage cools are not popularized.And many islands are the maritime monsoon climates of typical tropical as the Nansha Islands that are positioned at China south, and the weather on the island has brought very big obstacle for the good growth of a variety of Chinese cabbage.
Many data point out that the island lacks the vegetables of enough nutrition, and islander's diet has certain disequilibrium.Relative goes out many foods marine product of islander according to equality at " islander's dietary factors is to the influence of fatty liver " middle finger, and the characteristics and its fatty liver that lack the diet structure of green vegetables and fruit take place closely related.
China has begun to be devoted to the research of sea water vegetable, but dynamics is placed on the aspect of cultivating anti-salt vegetables emphatically, and to aspect the vegetables opposing hygrothermal environment correlative study not being arranged.China has set up vegetables base, planting vegetable in the greenhouse on many islands.But the natural climate on island still is the factor of the good growth of restriction vegetables.Only 3 ℃ of the long-term high temperature in the Nansha Islands, day and night temperature, and electric power resource etc. falls behind on the island, can't use extensive cooling, dehumidification equipment make on the island symptoms such as vegetables such as a variety of Chinese cabbage poor growth, blade scatter, mouthfeel difference.
This experiment adopts night spray cooling method to solve this difficult problem, and a variety of Chinese cabbage of turning out can be little at high temperature, day and night temperature, keep fine growing way in the adverse environment of high humidity.This method is simple and easy to do, and reduces irrigation water capacity simultaneously, will help to improve the possibility that a variety of Chinese cabbage is extensively cultivated in high temperature, the temperature difference and freshwater resources zone in short supply.
Summary of the invention
The object of the present invention is to provide a kind of method that improves the growing way of the torrid zone, subtropical zone plant, can solve the problem that a variety of Chinese cabbage can't well grow in adverse environment (high temperature, day and night temperature little).
The method that improves the growing way of the torrid zone, subtropical zone plant provided by the invention is at night plant leaf blade to be sprayed water, thereby obtains the plant that growing way strengthens.
Above-mentioned night can be evening 20:00 to 6:00 next day.
Above-mentioned plant can be the plant of the torrid zone or subtropical zone.
Further, above-mentioned plant specifically can be a variety of Chinese cabbage (Latin is B.chinensis L.).
The water temperature of institute's water is lower than the on-site temperature of described plant in the step of above-mentioned water spray.
Further, the temperature difference of above-mentioned water temperature and described temperature is 0-25 ℃ (not comprising 0 ℃).
Specifically, the temperature difference of above-mentioned water temperature and described temperature is following 1) or 2) or 3) or 4):
1) 0-20 ℃ (not comprising 0)
2) 0-13 ℃ (not comprising 0)
3)13-20℃。
4)13℃。
The frequency of above-mentioned water spray can be 1 time/0.1-1.5 hour.
Further, the frequency of above-mentioned water spray can be 1 time/0.5-1 hour.
Specifically, the frequency of above-mentioned water spray can be 1 time/1 hour.
The water yield of institute's water is for making the moistening water yield of blade of described plant at least in the step of above-mentioned water spray.
Experimental results show that: the water temperature of being sprayed water is lower than temperature, can strengthen the accumulation that day and night temperature helps a variety of Chinese cabbage assimilation products at night, promotes its growth, thereby strengthens the growing way of a variety of Chinese cabbage, differs from 13 ℃ or 20 ℃ as water temperature and temperature and all can realize.The water spray frequency is suitable to be controlled at 1 time/hour.
The accumulation of blade spraying cold water cooling can significantly increasing at night assimilation substance, a variety of Chinese cabbage plant height, the number of blade and leaf area obviously improve, and be good than the upgrowth situation that does not spray cold water under the constant temperature.Adopt the method in the little adverse environment of high temperature, day and night temperature, a variety of Chinese cabbage to be grown preferably, thereby solved a variety of Chinese cabbage few difficult problem of poor growth assimilation substance accumulation in tropical climate.
Description of drawings
Fig. 1 is a variety of Chinese cabbage form contrast of example 1 different disposal, is processing one, processing two and contrast from left to right successively.
Fig. 2 is the 3rd leaf contrast of a variety of Chinese cabbage of example 1 different disposal, is processing one, processing two and contrast from left to right successively.
Fig. 3 is a variety of Chinese cabbage root contrast of example 1 different disposal, is processing one, processing two and contrast from left to right successively.
Fig. 4 example 1 a variety of Chinese cabbage is every growth indexes contrast under difference water spray Temperature Treatment.
Fig. 5 sprays water at interval at different time for example 2 a variety of Chinese cabbages and handles every growth indexes contrast.
Embodiment
The invention will be further described below in conjunction with specific embodiment, but the present invention is not limited to following examples.
Among the following embodiment, if no special instructions, be conventional method.
The used concrete grammar of the every growth indexes of this experiment measuring is:
Plant height: choose 10 strains and measure the length of acrial part to the plant leaf peak, calculating mean value.Used ruler minimum scale is 1mm.
Fresh weight: measure the used plant of plant height and weigh calculating mean value respectively at ten thousand/balance.
Blade area: the 3rd leaf of above-mentioned plant is depicted on the A4 paper, cuts, and 85 ℃ dry to constant weight, and weighing gross weight and unit are paper are heavy, calculating mean value.
Dry weight: above-mentioned whole plant is 120 ℃ of 15min that complete in baking oven, dry to weight weighing gross weight, calculating mean value then for 85 ℃.
The a variety of Chinese cabbage that embodiment 1, cultivation growing way strengthen
One, the experimental procedure of screening water temperature
1, a variety of Chinese cabbage seed of sowing similar number in seedling-cultivating tray, soil covering culture in the greenhouse.Choosing Beijing China sows than the HBRID F1 kind of seedling technological development Co., Ltd.Medium is the peat composed of rotten mosses: perlite=3: 1.Planting density is every 3cm one strain, and each basin is neatly sowed.Seedling-growing container was placed in the greenhouse in initial 2 weeks always, once a day water.A variety of Chinese cabbage emerges two days later, and growing the 3rd leaf after the week substantially is functional leaf.
2, after two weeks, the standby function length of blade is selected the seedling of growing way unanimity greater than 2cm, and each handles 20 strains, puts into phytotron, sets 35 ℃ of constant temperature, 7:00-19:00 illumination every day.Evening 20:00 to next day 6:00 carry out following water spray and handle:
Handle one: 22 ℃ of water temperatures (water temperature and temperature differ from 13 ℃), 1 time/h; Handle two: 15 ℃ of water temperatures (water temperature and temperature differ from 20 ℃), 1 time/h; Contrast: 35 ℃ of 1 time/h of water temperature (keeping same humidity) with the processed group blade.Water temperature all guarantees accuracy in 0.5 ℃ with thermometer measure before the water spray, and is artificial in the manner described above regularly to the water of blade spray design temperature with little watering can, to the blade face evenly moistening till (each processing injection flow rate is about 12ml at every turn).
3, water spray experiment was carried out 15 days altogether, and promptly a variety of Chinese cabbage seedling age just is one month during measurement index.Handle the every growth indexes of two week back measurement a variety of Chinese cabbages, comprise plant height, the number of blade, blade area, fresh weight, dry weight.
Two, experimental result
Experiment repeats 3 times, and a variety of Chinese cabbage handles one and handle two result and all be significantly higher than control treatment through the form result after above-mentioned three kinds of processing as shown in Figure 1-Figure 3.From each growth indexes shown in Figure 4 also as can be seen, handle one and handle two result and be significantly higher than control treatment, be better than and handle two and handle each growth indexes of one, but do not have significant difference.Illustrate: the water temperature of being sprayed water is lower than temperature, can strengthen the accumulation that day and night temperature helps a variety of Chinese cabbage assimilation products at night, promotes its growth, thereby strengthens the growing way of a variety of Chinese cabbage, differs from 13 ℃ or 20 ℃ as water temperature and temperature and all can realize.
The a variety of Chinese cabbage that embodiment 2, cultivation growing way strengthen
One, the screening experiment step of water spray frequency
1, in seedling-cultivating tray, sows a variety of Chinese cabbage seed of similar number, soil covering culture in the greenhouse in the relevant position.Choosing Beijing China sows than the HBRID F1 kind of seedling technological development Co., Ltd.Medium is the peat composed of rotten mosses: perlite=3: 1.Planting density is every 3cm one strain, and each basin is neatly sowed.Seedling-growing container was placed in the greenhouse in initial 2 weeks always, once a day water.A variety of Chinese cabbage emerges two days later, goes out functional leaf after the week.
2, after two weeks, the standby function length of blade is selected the seedling of growing way unanimity greater than 2cm, and phytotron is put in every processing 20 strains, sets 35 ℃ of constant temperature, 7:00-19:00 illumination every day.Evening 20:00 to next day 6:00 carry out following water spray and handle:
Handle: 22 ℃ of cold water, 1 time/30min; Contrast: 22 ℃ of cold water, 1 time/h.
Water temperature all guarantees that with thermometer measure accuracy is in 0.5 ℃ before the water spray.Artificial in the manner described above with little watering can regularly to the water of blade spray design temperature, to the blade face evenly moistening till (at every turn each handle injection flow rate be about 12ml).
3, water spray experiment was carried out 15 days altogether, and promptly a variety of Chinese cabbage seedling age just is one month during measurement index.Handle the every growth indexes of two week back measurement a variety of Chinese cabbages, comprise plant height, the number of blade, blade area, length and width product, fresh weight, dry weight.Each growth indexes is compared.
Two, experimental result
The experiment triplicate, the result as shown in Figure 5, a little higher than processing of every index of contrast, but the two does not have significant difference.Conclusion: strengthen the accumulation that day and night temperature helps a variety of Chinese cabbage assimilation products at night, promote its growth.21 times/h of embodiment better effects if, and compare water-saving.Therefore the suitableeest scheme is for per hour spraying 22 ℃ of cold water once, not only can play to reduce the leaf temperature effect and produce a desired effect but also save water, and be the spray cooling at night, promote the preferred plan that a variety of Chinese cabbage grows.This method is simple and easy to do, and unboiled water is energy-conservation, can effectively improve a variety of Chinese cabbage in high temperature and the temperature difference possibility than the extensive cultivation of zonule.
Claims (10)
1. a method that improves the growing way of the torrid zone, subtropical zone plant is at night plant leaf blade to be sprayed water, thereby obtains the plant that growing way strengthens.
2. the method for claim 1, it is characterized in that: described plant is the plant of the torrid zone or subtropical zone.
3. method as claimed in claim 2 is characterized in that: described plant is an a variety of Chinese cabbage.
4. as arbitrary described method among the claim 1-3, it is characterized in that: described night be evening 20:00 to 6:00 next day.
5. as arbitrary described method among the claim 1-4, it is characterized in that: the water temperature of institute's water is lower than the on-site temperature of described plant in the step of described water spray.
6. method as claimed in claim 5 is characterized in that: the temperature difference of described water temperature and described temperature is following 1) or 2) or 3) or 4) or 5):
1) 0-25 ℃ (not comprising 0 ℃).
2) 0-20 ℃ (not comprising 0)
3) 0-13 ℃ (not comprising 0)
4)13-20℃。
5)13℃。
7. as the arbitrary described method of claim 1-6, it is characterized in that: the frequency of described water spray is 1 time/0.1-1.5 hour.
8. method as claimed in claim 7 is characterized in that: the frequency of described water spray is 1 time/0.5-1 hour.
9. method as claimed in claim 8 is characterized in that: the frequency of described water spray is 1 time/1 hour.
10. as the arbitrary described method of claim 1-9, it is characterized in that: the water yield of institute's water is for making the moistening water yield of blade of described plant at least in the step of described water spray.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323987A (en) * | 2011-09-09 | 2012-01-18 | 北京农业信息技术研究中心 | Crop leaf area index assimilation method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1395821A (en) * | 2002-05-28 | 2003-02-12 | 孙匀 | Method for interplanting finger citron, balsom pear and notoginseng in northern region |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1395821A (en) * | 2002-05-28 | 2003-02-12 | 孙匀 | Method for interplanting finger citron, balsom pear and notoginseng in northern region |
Non-Patent Citations (3)
| Title |
|---|
| 《福建农业科技》 20071231 王命义、王庆文 夏季小白菜栽培技术 第24页 1-10 , 第24期 * |
| 《福建农业科技》 20071231 王命义、王庆文 夏季小白菜栽培技术 第24页 1-10 , 第24期 2 * |
| 《蔬菜》 20060630 赵岫云等 北方地区夏季小白菜栽培技术 第14页 1-10 , 2 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323987A (en) * | 2011-09-09 | 2012-01-18 | 北京农业信息技术研究中心 | Crop leaf area index assimilation method |
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Application publication date: 20100728 |