CN113273453A - Cultivation method for strong roots of watermelon seedlings - Google Patents
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- 241000219109 Citrullus Species 0.000 title claims abstract description 124
- 235000012828 Citrullus lanatus var citroides Nutrition 0.000 title claims abstract description 124
- 238000012364 cultivation method Methods 0.000 title claims abstract description 21
- 238000005286 illumination Methods 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 29
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 23
- 238000009331 sowing Methods 0.000 claims abstract description 10
- 235000016709 nutrition Nutrition 0.000 claims description 74
- 230000035764 nutrition Effects 0.000 claims description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 70
- 239000011159 matrix material Substances 0.000 claims description 38
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- 239000000758 substrate Substances 0.000 claims description 25
- 229910001220 stainless steel Inorganic materials 0.000 claims description 24
- 239000010935 stainless steel Substances 0.000 claims description 24
- 230000001502 supplementing effect Effects 0.000 claims description 19
- 238000012258 culturing Methods 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 238000002791 soaking Methods 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- 230000034303 cell budding Effects 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 230000035784 germination Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000003895 organic fertilizer Substances 0.000 abstract description 4
- 241000196324 Embryophyta Species 0.000 abstract description 3
- 230000018109 developmental process Effects 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 15
- 235000013399 edible fruits Nutrition 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 210000003608 fece Anatomy 0.000 description 2
- 239000010871 livestock manure Substances 0.000 description 2
- 239000010451 perlite Substances 0.000 description 2
- 235000019362 perlite Nutrition 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 239000010455 vermiculite Substances 0.000 description 2
- 235000019354 vermiculite Nutrition 0.000 description 2
- 229910052902 vermiculite Inorganic materials 0.000 description 2
- 244000241235 Citrullus lanatus Species 0.000 description 1
- 235000009831 Citrullus lanatus Nutrition 0.000 description 1
- 244000241257 Cucumis melo Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000035922 thirst Effects 0.000 description 1
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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
- A01G22/05—Fruit crops, e.g. strawberries, tomatoes or cucumbers
-
- 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
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
-
- 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
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
- A01G24/15—Calcined rock, e.g. perlite, vermiculite or clay aggregates
-
- 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
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
-
- 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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/029—Receptacles for seedlings
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Soil Sciences (AREA)
- Botany (AREA)
- Pretreatment Of Seeds And Plants (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The invention discloses a cultivation method for strong roots of watermelon seedlings, and belongs to the technical field of plant cultivation. The cultivation method of strong roots of watermelon seedlings disclosed by the invention is characterized in that the photoperiod management is carried out by 2 sections, the temperature difference between day and night is increased in the germination accelerating period under the dark condition, the germination speed is controlled, and the germination uniformity is ensured; the illumination is adjusted to 16h and the darkness is adjusted to 8h in the seedling stage, the temperature difference between day and night is reduced, and the stable rooting and development of the watermelon seedlings are ensured. The invention adds 2.8-3.2g grass root No. 8 grass carbon type bio-organic fertilizer during sowing, which has certain effect of promoting rooting. The method of the invention obviously strengthens the root system of the watermelon seedlings, improves the strong seedling rate of the watermelon and has certain promotion effect on the production of the watermelon.
Description
Technical Field
The invention relates to the technical field of plant cultivation, in particular to a cultivation method for strong roots of watermelon seedlings.
Background
Watermelon (Citrullus lanatus L.) is an important fruit type economic crop in China, and especially plays a prominent role in summer fruits. The watermelon has large planting area and high annual consumption and is evaluated as the fifth fruit in the world. The juice is sweet, and can relieve summer heat and quench thirst, and is one of the most consumed fruits in summer. China is the largest producing and consuming country of watermelons. Therefore, the watermelon is one of the important melon crops in China, and plays an important role in the adjustment of agricultural structure industry and the development of rural economy. The growth of the watermelon in the seedling stage is easily influenced by the climate environment, the early growth is influenced in the actual production, the plant is not easy to survive, and the unnecessary workload is increased.
Therefore, the problem to be solved by the technical personnel in the field is to provide a cultivation method for strong roots of watermelon seedlings.
Disclosure of Invention
In view of the above, the invention provides a cultivation method for strong roots of watermelon seedlings, which effectively strengthens the root systems of the watermelon seedlings, improves the strong seedling rate of the watermelon, and has a certain promotion effect on watermelon production.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cultivation method of strong roots of watermelon seedlings comprises the following specific steps:
(1) soaking watermelon seeds in a seed bag with water at 60-70 deg.C for 6-8 hr, taking out the seed bag, wrapping with wet cloth, and culturing in incubator; the temperature cycle of the incubator is set as follows: circulating for 2 times at 28-30 deg.C for 18h and 16-18 deg.C for 6 h; during the period, the budding seeds are picked out by tweezers and placed in a culture dish filled with filter paper, and the culture dish is placed in a refrigerator at 4 ℃; obtaining watermelon seeds which are orderly germinated;
(2) uniformly stirring the matrix with clear water until the humidity reaches 80-85%, placing the matrix in a plug tray, and placing the plug tray in a stainless steel iron tray;
(3) downwards sowing the regularly germinated watermelon seeds obtained in the step (1) into a plug tray filled with the matrix in the step (2) by using the bud tips of tweezers, wherein 1 particle is put into each plug, and putting into an incubator; the photoperiod of the incubator is set as follows: the temperature is controlled to be 23-25 ℃ under the illumination condition and 19-21 ℃ under the dark condition after 16h of illumination and 8h of darkness; illumination intensity was 28000-; after culturing for 5-7 days, flattening cotyledons to obtain watermelon seedlings to be cultured;
(4) uniformly stirring the substrate with clear water to make the humidity reach 80% -85%, mixing with No. 8 grass roots, and filling into a nutrition pot; 2.8-3.2g of No. 8 grass roots are mixed in each nutrition pot;
(5) transplanting the watermelon seedlings obtained in the step (3) into the nutrition pots in the step (4), and transplanting one watermelon seedling in each nutrition pot; placing the nutrition pot in a stainless steel iron plate, and placing the nutrition pot in an incubator; setting the photoperiod of an incubator to 16h of illumination and 8h of darkness, wherein the temperature under the illumination condition is 23-25 ℃, and the temperature under the darkness condition is 19-21 ℃; illumination intensity was 28000-; culturing for 10-15 days to obtain strong watermelon seedlings.
Further, the seed bag in the step (1) is a common gauze bag.
Further, the temperature cycle of the incubator set in the step (1) is as follows: circulating for 2 times at 30 ℃ for 18h and 16 ℃ for 6 h; the relative humidity is 70-80%.
Further, the depth of the substrate in the plug disc in the step (3) is 0.5-1cm below the plug disc opening.
Further, in the step (3), water is supplemented according to the growth condition of the watermelon seedlings in the culture process, and the specific method comprises the following steps: pouring clear water into the plug tray.
Further, the length, width and height of the nutrition pot in the step (4) are 7, 7.8 cm.
Further, the depth of the substrate in the nutrition pot in the step (4) is 2-3cm below the opening of the nutrition pot.
Further, the substrates in the step (2) and the step (4) are common commercial vegetable seedling raising substrates, and comprise perlite, vermiculite, turf and decomposed farmyard manure.
Further, the grass root No. 8 in the step (4) is a commercial biological organic fertilizer.
Further, the temperature in the step (3) and the step (5) is 25 ℃ under the light condition and 20 ℃ under the dark condition.
Further, in the step (5), water is supplemented according to the growth condition of the watermelon seedlings in the culture process, and the specific method comprises the following steps: and pouring clear water into the stainless steel plate, wherein the clear water replenishes the watermelon seedlings by the hole soaking matrix at the bottom of the nutrition pot.
According to the technical scheme, compared with the prior art, the method for cultivating the strong roots of the watermelon seedlings is economical, simple, convenient and quick; the common vegetable seedling raising substrate sold in the market is adopted as the substrate, only normal management is needed, and the root system of the watermelon seedling is remarkably strengthened. The invention carries out photoperiod management in 2 sections, increases the temperature difference between day and night in the germination accelerating period under the dark condition, controls the germination speed and ensures the uniformity of germination; the illumination is adjusted to 16h and the darkness is adjusted to 8h in the seedling stage, the temperature difference between day and night is reduced, and the stable rooting and development of the watermelon seedlings are ensured. The invention adds 2.8-3.2g grass root No. 8 grass carbon type bio-organic fertilizer during sowing, which has certain effect of promoting rooting. The method of the invention obviously strengthens the root system of the watermelon seedlings, improves the strong seedling rate of the watermelon and has certain promotion effect on the production of the watermelon.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a diagram showing a comparison of seedling stages of 15 days of cultivation in examples 1 to 3 and comparative examples 1 to 2 according to the present invention;
wherein, 1, example 1; 2, example 2; 3, example 3; 4, comparative example 1; 5, comparative example 2;
FIG. 2 is a diagram showing the growth process of watermelon seedlings cultured by the cultivation method of comparative example 3 according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The substrate is a seedling substrate sold by Shen county Lu Yuan seedling substrate company Limited and comprises perlite, vermiculite, turf and decomposed farmyard manure. Grass root No. 8 is a bio-organic fertilizer produced by Zhangjiakou grass root agricultural science and technology limited.
Example 1
A cultivation method of strong roots of watermelon seedlings comprises the following specific steps:
(1) placing watermelon seeds in a seed bag, soaking the seeds in water at 60-70 ℃ for 6 hours, taking out the seed bag, wrapping the seed bag with wet cloth, and placing the seed bag in an incubator for dark culture; the temperature cycle of the incubator is set as follows: circulating for 2 times at 30 ℃ for 18h and 16 ℃ for 6 h; the relative humidity is 75%; during the period, the budding seeds are picked out by tweezers and placed in a culture dish filled with filter paper, and the culture dish is placed in a refrigerator at 4 ℃; obtaining watermelon seeds which are orderly germinated;
(2) uniformly stirring the matrix with clear water to make the humidity reach 80-85%, and placing the matrix in a plug tray, wherein the depth of the matrix in the plug tray is 0.5-1cm below the plug tray opening; placing the hole disc in a stainless steel iron disc;
(3) downwards sowing the regularly germinated watermelon seeds obtained in the step (1) into a plug tray filled with the matrix in the step (2) by using the bud tips of tweezers, wherein 1 particle is put into each plug, and putting into an incubator; the photoperiod of the incubator is set as follows: the temperature under the illumination condition is 25 ℃ and the temperature under the dark condition is 20 ℃ under 16h illumination and 8h darkness; the illumination intensity is 30000 LUX; supplementing water according to the growth condition of the watermelon seedlings in the culture process, and pouring clear water into the plug; after culturing for 5-7 days, flattening cotyledons to obtain watermelon seedlings to be cultured;
(4) uniformly stirring the substrate with clear water to make the humidity reach 80% -85%, mixing with grass roots No. 8, and placing into a nutrition pot (the length, width, height and specification are 7 x 7.8cm), wherein the depth of the substrate in the nutrition pot is 2-3cm below the opening of the nutrition pot; 3g of No. 8 grass roots are mixed in each nutrition pot;
(5) transplanting the watermelon seedlings obtained in the step (3) into the nutrition pots in the step (4), and transplanting one watermelon seedling in each nutrition pot; placing the nutrition pot in a stainless steel iron plate, and placing the nutrition pot in an incubator; setting the photoperiod of an incubator to 16h of illumination and 8h of darkness, wherein the temperature under the illumination condition is 25 ℃ and the temperature under the darkness condition is 20 ℃; the illumination intensity is 30000 LUX; supplementing water according to the growth condition of the watermelon seedlings in the culture process, pouring clear water into a stainless steel plate, and supplementing water to the watermelon seedlings by soaking the matrix through holes at the bottom of the nutrition pot with the clear water; culturing for 10-15 days to obtain strong watermelon seedlings.
Example 2
A cultivation method of strong roots of watermelon seedlings comprises the following specific steps:
(1) placing watermelon seeds in a seed bag, soaking the watermelon seeds in water at the temperature of 60-70 ℃ for 7 hours, taking out the seed bag, wrapping the seed bag with wet cloth, and placing the seed bag in an incubator for dark culture; the temperature cycle of the incubator is set as follows: circulating for 2 times at 28 ℃ for 18h and 18 ℃ for 6 h; the relative humidity is 70%; during the period, the budding seeds are picked out by tweezers and placed in a culture dish filled with filter paper, and the culture dish is placed in a refrigerator at 4 ℃; obtaining watermelon seeds which are orderly germinated;
(2) uniformly stirring the matrix with clear water to make the humidity reach 80-85%, and placing the matrix in a plug tray, wherein the depth of the matrix in the plug tray is 0.5-1cm below the plug tray opening; placing the hole disc in a stainless steel iron disc;
(3) downwards sowing the regularly germinated watermelon seeds obtained in the step (1) into a plug tray filled with the matrix in the step (2) by using the bud tips of tweezers, wherein 1 particle is put into each plug, and putting into an incubator; the photoperiod of the incubator is set as follows: the temperature under the illumination condition is 23 ℃ and the temperature under the dark condition is 19 ℃ under 16h illumination and 8h darkness; the illumination intensity is 28000 LUX; supplementing water according to the growth condition of the watermelon seedlings in the culture process, and pouring clear water into the plug; after culturing for 5-7 days, flattening cotyledons to obtain watermelon seedlings to be cultured;
(4) uniformly stirring the substrate with clear water to make the humidity reach 80% -85%, mixing with grass roots No. 8, and placing into a nutrition pot (the length, width, height and specification are 7 x 7.8cm), wherein the depth of the substrate in the nutrition pot is 2-3cm below the opening of the nutrition pot; 2.8g of No. 8 grass roots are mixed in each nutrition pot;
(5) transplanting the watermelon seedlings obtained in the step (3) into the nutrition pots in the step (4), and transplanting one watermelon seedling in each nutrition pot; placing the nutrition pot in a stainless steel iron plate, and placing the nutrition pot in an incubator; setting the photoperiod of an incubator to 16h of illumination and 8h of darkness, wherein the temperature under the illumination condition is 23 ℃, and the temperature under the darkness condition is 19 ℃; the illumination intensity is 28000 LUX; supplementing water according to the growth condition of the watermelon seedlings in the culture process, pouring clear water into a stainless steel plate, and supplementing water to the watermelon seedlings by soaking the matrix through holes at the bottom of the nutrition pot with the clear water; culturing for 10-15 days to obtain strong watermelon seedlings.
Example 3
A cultivation method of strong roots of watermelon seedlings comprises the following specific steps:
(1) placing watermelon seeds in a seed bag, soaking the watermelon seeds in water at 60-70 ℃ for 8 hours, taking out the seed bag, wrapping the seed bag with wet cloth, and placing the seed bag in an incubator for dark culture; the temperature cycle of the incubator is set as follows: circulating for 2 times at 29 ℃ for 18h and 17 ℃ for 6 h; the relative humidity is 80%; during the period, the budding seeds are picked out by tweezers and placed in a culture dish filled with filter paper, and the culture dish is placed in a refrigerator at 4 ℃; obtaining watermelon seeds which are orderly germinated;
(2) uniformly stirring the matrix with clear water to make the humidity reach 80-85%, and placing the matrix in a plug tray, wherein the depth of the matrix in the plug tray is 0.5-1cm below the plug tray opening; placing the hole disc in a stainless steel iron disc;
(3) downwards sowing the regularly germinated watermelon seeds obtained in the step (1) into a plug tray filled with the matrix in the step (2) by using the bud tips of tweezers, wherein 1 particle is put into each plug, and putting into an incubator; the photoperiod of the incubator is set as follows: the temperature under the illumination condition is 24 ℃ and the temperature under the dark condition is 21 ℃ under 16h illumination and 8h darkness; the illumination intensity is 32000 LUX; supplementing water according to the growth condition of the watermelon seedlings in the culture process, and pouring clear water into the plug; after culturing for 5-7 days, flattening cotyledons to obtain watermelon seedlings to be cultured;
(4) uniformly stirring the substrate with clear water to make the humidity reach 80% -85%, mixing with grass roots No. 8, and placing into a nutrition pot (the length, width, height and specification are 7 x 7.8cm), wherein the depth of the substrate in the nutrition pot is 2-3cm below the opening of the nutrition pot; 3.2g of No. 8 grass roots are mixed in each nutrition pot;
(5) transplanting the watermelon seedlings obtained in the step (3) into the nutrition pots in the step (4), and transplanting one watermelon seedling in each nutrition pot; placing the nutrition pot in a stainless steel iron plate, and placing the nutrition pot in an incubator; setting the photoperiod of an incubator to be 16h of illumination and 8h of darkness, wherein the temperature under the illumination condition is 24 ℃, and the temperature under the darkness condition is 21 ℃; the illumination intensity is 32000 LUX; supplementing water according to the growth condition of the watermelon seedlings in the culture process, pouring clear water into a stainless steel plate, and supplementing water to the watermelon seedlings by soaking the matrix through holes at the bottom of the nutrition pot with the clear water; culturing for 10-15 days to obtain strong watermelon seedlings.
Comparative example 1
A cultivation method of strong roots of watermelon seedlings comprises the following specific steps:
(1) placing watermelon seeds in a seed bag, soaking the seeds in water at 60-70 ℃ for 6 hours, taking out the seed bag, wrapping the seed bag with wet cloth, and placing the seed bag in an incubator for dark culture; the temperature cycle of the incubator is set as follows: circulating for 2 times at 18h, 30 ℃ and 6h, 16 ℃; the relative humidity is 75%; during the period, the budding seeds are picked out by tweezers and placed in a culture dish filled with filter paper, and the culture dish is placed in a refrigerator at 4 ℃; obtaining watermelon seeds which are orderly germinated;
(2) uniformly stirring the matrix with clear water to make the humidity reach 80-85%, and placing the matrix in a plug tray, wherein the depth of the matrix in the plug tray is 0.5-1cm below the plug tray opening; placing the hole disc in a stainless steel iron disc;
(3) downwards sowing the regularly germinated watermelon seeds obtained in the step (1) into a plug tray filled with the matrix in the step (2) by using the bud tips of tweezers, wherein 1 particle is put into each plug, and putting into an incubator; the photoperiod of the incubator is set as follows: the temperature under the illumination condition is 20 ℃ and the temperature under the dark condition is 14 ℃ under 16h illumination and 8h darkness; the illumination intensity was 15000 LUX; supplementing water according to the growth condition of the watermelon seedlings in the culture process, and pouring clear water into the plug; after culturing for 5-7 days, flattening cotyledons to obtain watermelon seedlings to be cultured;
(4) uniformly stirring the substrate with clear water to make the humidity reach 80% -85%, mixing with grass roots No. 8, and placing into a nutrition pot (the length, width, height and specification are 7 x 7.8cm), wherein the depth of the substrate in the nutrition pot is 2-3cm below the opening of the nutrition pot; 4.5g of grass root No. 8 is mixed in each nutrition pot;
(5) transplanting the watermelon seedlings obtained in the step (3) into the nutrition pots in the step (4), and transplanting one watermelon seedling in each nutrition pot; placing the nutrition pot in a stainless steel iron plate, and placing the nutrition pot in an incubator; setting the photoperiod of an incubator to be 16h of illumination and 8h of darkness, wherein the temperature under the illumination condition is 20 ℃ and the temperature under the darkness condition is 14 ℃; the illumination intensity was 15000 LUX; supplementing water according to the growth condition of the watermelon seedlings in the culture process, pouring clear water into a stainless steel plate, and supplementing water to the watermelon seedlings by soaking the matrix through holes at the bottom of the nutrition pot with the clear water; culturing for 10-15 days.
Comparative example 2
A cultivation method of strong roots of watermelon seedlings comprises the following specific steps:
(1) placing watermelon seeds in a seed bag, soaking the seeds in water at 60-70 ℃ for 6 hours, taking out the seed bag, wrapping the seed bag with wet cloth, and placing the seed bag in an incubator for dark culture; the temperature cycle of the incubator is set as follows: circulating for 2 times at 18h, 30 ℃ and 6h, 16 ℃; the relative humidity is 75%; during the period, the budding seeds are picked out by tweezers and placed in a culture dish filled with filter paper, and the culture dish is placed in a refrigerator at 4 ℃; obtaining watermelon seeds which are orderly germinated;
(2) uniformly stirring the matrix with clear water to make the humidity reach 80-85%, and placing the matrix in a plug tray, wherein the depth of the matrix in the plug tray is 0.5-1cm below the plug tray opening; placing the hole disc in a stainless steel iron disc;
(3) downwards sowing the regularly germinated watermelon seeds obtained in the step (1) into a plug tray filled with the matrix in the step (2) by using the bud tips of tweezers, wherein 1 particle is put into each plug, and putting into an incubator; the photoperiod of the incubator is set as follows: the temperature is 30 ℃ under the illumination condition and 26 ℃ under the dark condition after 16h of illumination and 8h of darkness; the illumination intensity is 45000 LUX; supplementing water according to the growth condition of the watermelon seedlings in the culture process, and pouring clear water into the plug; after culturing for 5-7 days, flattening cotyledons to obtain watermelon seedlings to be cultured;
(4) uniformly stirring the substrate with clear water to make the humidity reach 80% -85%, mixing with grass roots No. 8, and placing into a nutrition pot (the length, width, height and specification are 7 x 7.8cm), wherein the depth of the substrate in the nutrition pot is 2-3cm below the opening of the nutrition pot; 1.5g of grass root No. 8 is mixed in each nutrition pot;
(5) transplanting the watermelon seedlings obtained in the step (3) into the nutrition pots in the step (4), and transplanting one watermelon seedling in each nutrition pot; placing the nutrition pot in a stainless steel iron plate, and placing the nutrition pot in an incubator; setting the photoperiod of an incubator to 16h of illumination and 8h of darkness, wherein the temperature under the illumination condition is 32 ℃ and the temperature under the darkness condition is 26 ℃; the illumination intensity is 45000 LUX; supplementing water according to the growth condition of the watermelon seedlings in the culture process, pouring clear water into a stainless steel plate, and supplementing water to the watermelon seedlings by soaking the matrix through holes at the bottom of the nutrition pot with the clear water; culturing for 10-15 days.
Comparative example 3
A cultivation method of strong roots of watermelon seedlings comprises the following specific steps:
(1) placing watermelon seeds in a seed bag, soaking the seeds in water at 60-70 ℃ for 6 hours, taking out the seed bag, wrapping the seed bag with wet cloth, and placing the seed bag in an incubator for dark culture; the temperature cycle of the incubator is set as follows: circulating for 2 times at 18h, 30 ℃ and 6h, 16 ℃; the relative humidity is 75%; during the period, the budding seeds are picked out by tweezers and placed in a culture dish filled with filter paper, and the culture dish is placed in a refrigerator at 4 ℃; obtaining watermelon seeds which are orderly germinated;
(2) uniformly stirring the matrix with clear water to make the humidity reach 80-85%, and placing the matrix in a plug tray, wherein the depth of the matrix in the plug tray is 0.5-1cm below the plug tray opening; placing the hole disc in a stainless steel iron disc;
(3) downwards sowing the regularly germinated watermelon seeds obtained in the step (1) into a plug tray filled with the matrix in the step (2) by using the bud tips of tweezers, wherein 1 particle is put into each plug, and putting into an incubator; the photoperiod of the incubator is set as follows: the temperature under the illumination condition is 35 ℃ and the temperature under the dark condition is 23 ℃ under 16h illumination and 8h darkness; the illumination intensity is 20000 LUX; supplementing water according to the growth condition of the watermelon seedlings in the culture process, and pouring clear water into the plug; after culturing for 5-7 days, flattening cotyledons to obtain watermelon seedlings to be cultured;
(4) uniformly stirring the substrate with clear water to make the humidity reach 80% -85%, mixing with grass roots No. 8, and placing into a nutrition pot (the length, width, height and specification are 7 x 7.8cm), wherein the depth of the substrate in the nutrition pot is 2-3cm below the opening of the nutrition pot; 6g of No. 8 grass roots are mixed in each nutrition pot;
(5) transplanting the watermelon seedlings obtained in the step (3) into the nutrition pots in the step (4), and transplanting one watermelon seedling in each nutrition pot; placing the nutrition pot in a stainless steel iron plate, and placing the nutrition pot in an incubator; setting the photoperiod of an incubator to 16h of illumination and 8h of darkness, wherein the temperature under the illumination condition is 35 ℃ and the temperature under the darkness condition is 23 ℃; the illumination intensity is 20000 LUX; supplementing water according to the growth condition of the watermelon seedlings in the culture process, pouring clear water into a stainless steel plate, and supplementing water to the watermelon seedlings by soaking the matrix through holes at the bottom of the nutrition pot with the clear water; culturing for 10-15 days.
The comparative graph of the seedling stage of 15 days of cultivation according to the cultivation methods of examples 1 to 3 and comparative examples 1 to 2 is shown in FIG. 1; FIG. 2 is a diagram showing the growth process of watermelon seedlings cultured by the cultivation method of comparative example 3, wherein the watermelon seedlings cannot grow normally under the cultivation conditions of comparative example 3.
The root fresh weight results for examples 1-3 and comparative examples 1-2 are shown in Table 1; the watermelon seedlings of comparative example 3 could not grow normally and there was no relevant result.
TABLE 1
| Fresh weight of root (g) | Error (g) | |
| Example 1 | 3.44 | 0.14422 |
| Example 2 | 3.31 | 0.29092 |
| Example 3 | 3.5533 | 0.48881 |
| Comparative example 1 | 1.0233 | 0.04667 |
| Comparative example 2 | 0.3567 | 0.14422 |
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A cultivation method of strong roots of watermelon seedlings is characterized by comprising the following specific steps:
(1) soaking watermelon seeds in a seed bag with water at 60-70 deg.C for 6-8 hr, taking out the seed bag, wrapping with wet cloth, and culturing in incubator; the temperature cycle of the incubator is set as follows: circulating for 2 times at 28-30 deg.C for 18h and 16-18 deg.C for 6 h; during the period, the budding seeds are picked out by tweezers and placed in a culture dish filled with filter paper, and the culture dish is placed in a refrigerator at 4 ℃; obtaining watermelon seeds which are orderly germinated;
(2) uniformly stirring the matrix with clear water until the humidity reaches 80-85%, placing the matrix in a plug tray, and placing the plug tray in a stainless steel iron tray;
(3) downwards sowing the regularly germinated watermelon seeds obtained in the step (1) into a plug tray filled with the matrix in the step (2) by using the bud tips of tweezers, wherein 1 particle is put into each plug, and putting into an incubator; the photoperiod of the incubator is set as follows: the temperature is controlled to be 23-25 ℃ under the illumination condition and 19-21 ℃ under the dark condition after 16h of illumination and 8h of darkness; illumination intensity was 28000-; after culturing for 5-7 days, flattening cotyledons to obtain watermelon seedlings to be cultured;
(4) uniformly stirring the substrate with clear water to make the humidity reach 80% -85%, mixing with No. 8 grass roots, and filling into a nutrition pot; 2.8-3.2g of No. 8 grass roots are mixed in each nutrition pot;
(5) transplanting the watermelon seedlings obtained in the step (3) into the nutrition pots in the step (4), and transplanting one watermelon seedling in each nutrition pot; placing the nutrition pot in a stainless steel iron plate, and placing the nutrition pot in an incubator; setting the photoperiod of an incubator to 16h of illumination and 8h of darkness, wherein the temperature under the illumination condition is 23-25 ℃, and the temperature under the darkness condition is 19-21 ℃; illumination intensity was 28000-; culturing for 10-15 days to obtain strong watermelon seedlings.
2. The method for cultivating strong watermelon seedlings and roots according to claim 1, wherein the seed bag of step (1) is a common gauze bag.
3. The cultivation method of strong watermelon seedlings and roots according to claim 1, wherein the temperature period of the incubator set in step (1) is as follows: circulating for 2 times at 30 ℃ for 18h and 16 ℃ for 6 h; the relative humidity is 70-80%.
4. The method for cultivating the strong watermelon seedlings and the strong roots according to claim 1, wherein the depth of the substrate in the plug in the step (3) is 0.5-1cm below the plug mouth.
5. The cultivation method of strong watermelon seedlings and roots according to claim 1, wherein the step (3) is implemented by supplementing water according to the growth condition of the small watermelon seedlings in the cultivation process, and the specific method comprises the following steps: pouring clear water into the plug tray.
6. The method for cultivating strong watermelon seedlings and roots according to claim 1, wherein the length, width and height of the nutrition pot in the step (4) are 7 cm, 7 cm and 7.8 cm.
7. The method for cultivating the strong watermelon seedlings and the strong roots according to claim 1, wherein the depth of the substrate in the nutrition pot in the step (4) is 2-3cm below the mouth of the nutrition pot.
8. The method for cultivating strong watermelon seedlings and roots according to claim 1, wherein the temperature in the light condition in step (3) and the temperature in the dark condition in step (5) are 25 ℃ and 20 ℃.
9. The cultivation method of strong watermelon seedlings according to claim 1, wherein the step (5) of replenishing water according to the growth condition of the small watermelon seedlings in the cultivation process comprises the following steps: and pouring clear water into the stainless steel plate, wherein the clear water replenishes the watermelon seedlings by the hole soaking matrix at the bottom of the nutrition pot.
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