CN115250837A - Method for delaying growth and increasing tillering of bluegrass - Google Patents
Method for delaying growth and increasing tillering of bluegrass Download PDFInfo
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- CN115250837A CN115250837A CN202210903490.0A CN202210903490A CN115250837A CN 115250837 A CN115250837 A CN 115250837A CN 202210903490 A CN202210903490 A CN 202210903490A CN 115250837 A CN115250837 A CN 115250837A
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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
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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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
- 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
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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
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P21/00—Plant growth regulators
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
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Abstract
A method for delaying the growth and increasing tillering of a poa pratensis comprises the following steps: 1. dibbling the prairie bluegrass in a nutrition pot, covering soil of 0.5-1cm after dibbling, and watering; 2. after the grassland early maturing grass grows for 28-33 days, pruning, wherein the height of the trimmed stubble is 2-4cm, and spraying a first plant conditioner; 3. spraying a second plant conditioner after the grassland annual bluegrass is pruned for 6-8 days; 4. spraying plant conditioner once every 6-8 days in sequence; the plant conditioner and the formula thereof are as follows: the improved MS +0.8-1.3g/L PP333 adopts the plant conditioner of the invention, after 21 days of planting, the plant height and growth quantity of the grassland bluegrass is only 0.4cm, the tillering number can reach 5, the growth of the grassland bluegrass is furthest delayed, the tillering number of the grassland bluegrass is increased, the growth is vigorous, the life cycle of the grassland bluegrass is prolonged, the lawn looks greener, the visual effect of people is enhanced, and the environment is beautified.
Description
Technical Field
The invention relates to the technical field of agriculture, in particular to a method for delaying the growth and increasing tillering of bluegrass.
Background
Poa pratensis L.is a gramineae perennial herb, a premature grass is a creeping root, is upright and up to 90 cm high, has a leaf tongue membrane, a leaf line shape, is flat or involuted, has a tip gradually sharpened, has a slender tillering leaf, has a conical inflorescence pyramid shape or an oval shape, has branches developed, grows small spikes on the small branches, and has a short small spike stalk; the small ear is oval, green to grass yellow, contains small flowers, perillama, has blunt top, spindle-shaped caryopsis, blooms in 5-6 months, and fruits in 7-9 months are widely distributed in temperate zones of continental Eurasia and North America, and China is distributed in Heilongjiang, jilin, liaoning, inner Mongolia, hebei, shanxi, henan, shandong, shanxi, gansu, qinghai, xinjiang, xizang, sichuan, yunnan, guizhou, hubei, anhui, jiangsu, jiangxi, and grows from humid meadow, sand land and grass slope, and is available in 500-4000 meters from low to high sea.
The meadow bluegrass is used as a common lawn grass seed in northern China, has high lawn forming speed, strong adaptability and good stress resistance, and is widely applied to the construction and planting of various lawns; when the lawn is planted indoors, due to the influences of illumination, temperature and humidity, the growth speed of the grassland early-maturing bluegrass is accelerated, the leaves are tender and easy to fall, and particularly, the incidence rates of powdery mildew and rust disease are increased, so that the invention provides a method for delaying the growth and increasing tillering of the grassland early-maturing bluegrass, and the problems are solved.
Disclosure of Invention
In order to solve the technical problems in the background art, increase the indoor seedling survival rate of the grassland early-maturing standing grain and improve the disease resistance of plants, the invention provides a method for delaying the growth and increasing tillering of the grassland early-maturing standing grain, furthest delaying the growth of the grassland early-maturing standing grain, increasing the tillering number of the grassland early-maturing standing grain and prolonging the life cycle of the grassland early-maturing standing grain, so that the lawn looks greener, the PP333 used by the invention is paclobutrazol, and the specific scheme is as follows:
a method for delaying the growth and increasing the tillering of the bluegrass comprises the following steps:
step 1, dibbling the prairie bluegrass into a nutrition pot, covering soil of 0.5-1cm after dibbling, and watering;
step 2, after the grassland annual bluegrass grows for 28-33 days, pruning, wherein the height of the pruned stubble is 2-4cm, and spraying a first plant conditioner on leaf surfaces;
3, spraying a second plant conditioner on the leaf surfaces after the 6 th to 8 th days of pruning the bluegrass on the grassland;
and 4, spraying the plant conditioner on the leaf surfaces every 6 to 8 days in sequence.
Moreover, the plant conditioner and the formula thereof are as follows: improved MS +0.8-1.3g/L PP333.
Moreover, the plant conditioner and the formula thereof are as follows: modified MS +1.0g/L PP333.
Furthermore, the improved MS is:
adding a macroelement KNO in MS culture medium3Reducing the concentration from 1900mg/L to 900-1000mg/L;
reacting NH4NO3The concentration is reduced to 800-850mg/L from 1650 mg/L;
mixing KH with water2PO3Increasing the concentration from 170mg/L to 200-300mg/L;
adding trace elements ZnSO4·7H2Increasing the O content from 8.6mg/L to 12.5-13.5mg/L;
h is to be3BO3Increasing the concentration from 6.2mg/L to 9.0-9.5mg/L.
Moreover, the improved MS is:
adding a macroelement KNO in MS culture medium3Reducing the concentration from 1900mg/L to 950mg/L;
reacting NH4NO3The concentration is reduced from 1650mg/L to 825mg/L;
mixing KH with water2PO3Increasing the concentration from 170mg/L to 255mg/L;
adding trace elements ZnSO4·7H2Increasing the O content from 8.6mg/L to 12.9mg/L;
h is to be3BO3Increasing from 6.2mg/L to 9.3mg/L.
Moreover, the proportion of the improved MS to the PP333 is as follows: 0.8-1.3g of PP333 was added per 1L of modified MS.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention utilizes the PP333 to the planting technology of the meadow bluegrass for the first time, is used for delaying the growth of the meadow bluegrass and increasing the tillering of the meadow bluegrass, and has obvious effect.
2. The improved MS culture medium is used for improving the original MS culture to obtain the culture medium with the optimal proportion, is suitable for planting the grassland bluegrass, obviously delays the growth of the grassland bluegrass and increases the tillering of the grassland bluegrass under the complementary action of the improved MS culture medium and PP333, and experiments show that the plant height and the growth amount of the grassland bluegrass are only 0.4cm and the tillering number can be up to 5 after 21 days of pruning, which are obviously improved compared with the traditional technology.
3. According to the invention, the plant conditioner is sprayed for multiple times at intervals, and technical treatment is carried out in the whole growth period of the meadow bluegrass, so that the growth of the meadow bluegrass is delayed to the maximum extent, the tillering number of the meadow bluegrass is increased, the meadow bluegrass grows vigorously, the life cycle of the meadow bluegrass is prolonged, the lawn looks greener, the visual aesthetic effect of people is enhanced, and the environment is beautified.
Drawings
FIG. 1 shows the growth of Poa pratensis after 7d in a second set of experiments according to the present invention;
FIG. 2 shows the growth of Poa pratensis after 7d of the first set of experiments in accordance with the present invention;
FIG. 3 shows the growth of Poa pratensis after 7d in the fifth set of experiments of the present invention;
fig. 4 shows the grass of the second set of experiments of the present invention after pruning.
Detailed Description
The test material in the present invention is Poa pratensis provided by Mengcha ecological Environment (group) GmbH, under the name of Heijeck.
Example 1
A method for delaying the growth and increasing tillering of a poa pratensis comprises the following steps:
step 1, dibbling the meadow bluegrass into a nutrition pot, covering soil for 0.5m after dibbling, and watering;
step 2, after the grassland annual bluegrass grows for 28 days, pruning, wherein the height of the pruned stubble is 2-4cm, and spraying a first plant conditioner on leaf surfaces;
step 3, spraying a second plant conditioner on the leaf surfaces after the grass land is pruned for 6 d;
and 4, sequentially spraying the plant conditioner on the leaf surfaces once every 6 days.
Further, the plant conditioner and the formula thereof are as follows: modified MS +0.8g/L PP333.
Further, the improved MS is:
adding a macroelement KNO in MS culture medium3Reduced from 1900mg/L to 900mg/L；
Reacting NH4NO3The concentration is reduced to 800mg/L from 1650 mg/L;
mixing KH with water2PO3Increasing the concentration from 170mg/L to 200mg/L;
adding trace elements ZnSO4·7H2Increasing the O content from 8.6mg/L to 12.5mg/L;
h is to be3BO3The concentration is increased from 6.2mg/L to 9.0mg/L;
further, the spraying dosage of the plant conditioner is 200mL/m2。
Example 2
A method for delaying the growth and increasing tillering of a poa pratensis comprises the following steps:
step 1, dibbling the meadow bluegrass into a nutrition pot, covering soil for 1cm after dibbling, and watering;
step 2, after the grassland annual bluegrass grows for 33 days, pruning, wherein the height of the trimmed stubble is 4cm, and spraying a first plant conditioner on leaf surfaces;
step 3, spraying a second plant conditioner on the leaf surfaces after the 8 th day of pruning of the meadow bluegrass;
and 4, sequentially spraying the plant conditioner on the leaf surfaces once every 8 days.
Further, the plant conditioner and the formula thereof are as follows: modified MS +1.3g/L PP333.
Further, the improved MS is:
adding a macroelement KNO in MS culture medium3The concentration is reduced from 1900mg/L to 1000mg/L;
reacting NH4NO3The concentration is reduced to 850mg/L from 1650 mg/L;
mixing KH with water2PO3Increasing the concentration from 170mg/L to 300mg/L;
adding trace elements ZnSO4·7H2Increasing the O content from 8.6mg/L to 13.5mg/L;
h is to be3BO3Increasing from 6.2mg/L to 9.5mg/L.
Further, the spraying dosage of the plant conditioner is 100mL/m2。
Example 3
A method for delaying the growth and increasing the tillering of the bluegrass comprises the following steps:
step 1, dibbling the prairie bluegrass into a nutrition pot, covering soil of 0.8cm after dibbling, and watering;
step 2, after the grassland annual bluegrass grows for 30 days, pruning, wherein the height of the trimmed stubble is 3cm, and spraying a first plant conditioner on leaf surfaces;
step 3, spraying a second plant conditioner on the leaf surfaces after the 7 th day of pruning of the meadow bluegrass;
and 4, sequentially spraying the plant conditioner on the leaf surfaces once every 7 days.
Further, the plant conditioner and the formula thereof are as follows: modified MS +1.0g/L PP333.
Further, the improved MS is:
adding a macroelement KNO in MS culture medium3Reducing the concentration from 1900mg/L to 950mg/L;
reacting NH4NO3The concentration is reduced from 1650mg/L to 825mg/L;
KH is prepared by mixing2PO3Increasing the concentration from 170mg/L to 255mg/L;
adding trace elements ZnSO4·7H2Increasing the O content from 8.6mg/L to 12.9mg/L;
h is to be3BO3Increasing from 6.2mg/L to 9.3mg/L.
Further, the spraying dosage of the plant conditioner is 150mL/m2。
Experimental part
In order to prove the effect of the invention, the inventor carries out a great amount of scientific experiments, and the specific operations are as follows:
(1) Dibbling the meadow bluegrass into a nutrition pot, covering soil of 0.8cm after dibbling, and watering;
(2) After the grassland early maturing grass grows for 30 days, pruning, wherein the height of the trimmed stubble is 3cm, and spraying a first plant conditioner on leaf surfaces;
(3) After the grassland early-maturing rice is pruned for 7d, spraying a second plant conditioner on leaf surfaces, observing the tillering number and the plant height of the grassland early-maturing rice, and recording experimental data;
(4) After the grassland early-maturing rice is trimmed for 14 days, spraying a third plant conditioner on leaf surfaces, observing the tillering number and the plant height of the grassland early-maturing rice, and recording experimental data;
(5) And after the grassland annual bluegrass is pruned for 21d, spraying a fourth plant conditioner on leaf surfaces, observing the tillering number and the plant height of the grassland annual bluegrass, and recording and testing data.
The plant conditioner and the formula thereof are divided into the following five groups:
a first group: modified MS +0.5g/L PP333;
second group: modified MS +1.0g/L PP333;
third group: modified MS +1.5g/L PP333;
and a fourth group: MS +1.0g/L PP333;
and a fifth group: the plant conditioner is changed into clear water.
The specific experimental data are shown in Table 1
TABLE 1 Effect of plant Conditioning Agents of different Components and concentrations on the high growth and tillering of plants
It can be seen from table 1 that the plant conditioner components and concentrations used in the second set of experiments are the same as the mixture ratio of the present invention, the improved MS culture medium of the present invention is used in the first and third sets, but the concentrations of PP333 are different, the plant height growth amounts of the second set at 7d, 14d, and 21d are 0.1, 0.3, and 0.4, and the tillering numbers are 3, 4, and 5, respectively, which is obvious that the data obtained in the second set of experiments are significantly optimized compared with those of the first and third sets.
Although the plant conditioner used in the fourth group of experiments adopts the concentration of the PP333 of the invention, the adopted culture medium is a traditional MS culture medium, the plant height growth amounts of the 7 th, 14 th and 21 th plants are respectively 0.7, 1.5 and 2.0, and the tillering numbers are respectively 1, 2 and 2, so that the difference is more obvious compared with the second group of experimental data.
The fifth group of experiments only adopt clean water, and do not spray plant conditioner, the plant height growth amounts of the plants in the 7 th, 14 th and 21 th days are respectively 0.7, 4 and 6, the tillering number is 1, and the difference is large compared with the previous four groups of experiments;
in conclusion, the improved MS +0.8-1.3g/L PP333 adopted by the invention is an optimal formula, and has obvious effects of delaying the growth of the meadow bluegrass and improving the tillering capability of the meadow bluegrass.
Claims (8)
1. A method for delaying the growth and increasing tillering of a poa pratensis is characterized by comprising the following steps:
step 1, dibbling the meadow bluegrass into a nutrition pot, covering soil of 0.5-1cm after dibbling, and watering;
step 2, after the grassland annual bluegrass grows for 28-33 days, pruning, wherein the height of the pruned stubble is 2-4cm, and spraying a first plant conditioner;
step 3, spraying a second plant conditioner after the grassland annual bluegrass is trimmed for 6-8 days;
and 4, spraying the plant conditioner once every 6 to 8 days in sequence.
2. The method for delaying the growth and increasing the tillering of the poa pratensis according to claim 1, wherein the plant conditioner and the formula thereof are as follows: improved MS +0.8-1.3g/L PP333.
3. The method for delaying the growth and increasing the tillering of the poa pratensis according to claim 1, wherein the plant conditioner and the formula thereof are as follows: modified MS +1.0g/L PP333.
4. The method for delaying the growth and increasing tillering of poa pratensis according to claim 3, wherein the improved MS is as follows:
adding a macroelement KNO in MS culture medium3Reducing the concentration from 1900mg/L to 900-1000mg/L;
reacting NH4NO3The concentration is reduced to 800-850mg/L from 1650 mg/L;
mixing KH with water2PO3Increasing the concentration from 170mg/L to 200-300mg/L;
adding trace elements ZnSO4·7H2Increasing the O content from 8.6mg/L to 12.5-13.5mg/L;
h is to be3BO3Increasing the concentration from 6.2mg/L to 9.0-9.5mg/L.
5. The method for delaying the growth and increasing tillering of poa pratensis according to claim 3, wherein the improved MS is as follows:
adding a macroelement KNO in MS culture medium3Reducing the concentration from 1900mg/L to 950mg/L;
reacting NH4NO3The concentration is reduced from 1650mg/L to 825mg/L;
KH is prepared by mixing2PO3Increasing the concentration from 170mg/L to 255mg/L;
adding trace elements ZnSO4·7H2Increasing the O content from 8.6mg/L to 12.9mg/L;
h is to be3BO3Increasing from 6.2mg/L to 9.3mg/L.
6. The method for delaying growth and increasing tillering of poa pratensis according to claim 1, wherein the spraying dosage of the plant conditioner is 100-200mL/m2。
7. The method for delaying the growth and increasing the tillering of the poa pratensis according to claim 2 or 3, wherein the ratio of the improved MS to the PP333 is as follows: 0.8-1.3g of PP333 was added per 1L of modified MS.
8. The method for delaying the growth and increasing the tillering of the poa pratensis according to claim 1, wherein the method for spraying the plant conditioner is foliar spraying.
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