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A cultivation method for promoting growth and flowering of pikegrass twice a year

A technology of secondary growth and cultivation method, applied in the field of ornamental plant cultivation, can solve problems such as secondary growth and flowering of barracuda grass that have not yet been found, and achieve the effects of enhancing ornamental quality, improving purification effect and prolonging ornamental period.

Active Publication Date: 2020-10-16
武汉植物园园艺中心有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Through the search system of the Chinese patent database, no patent application or related literature has been found to promote the growth and flowering of pikegrass twice a year.

Method used

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  • A cultivation method for promoting growth and flowering of pikegrass twice a year

Examples

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Effect test

example 1

[0025] A kind of cultivation method for promoting growth and flowering of pike grass twice a year, the steps are:

[0026] Step 1. Trim.

[0027] 1.1 Trim time. Finish pruning around July 25.

[0028] 1.2 Stubble height. The stubble height is about 10cm.

[0029] Step 2, later stage cultivation.

[0030] 2.1 Nutrient management. Apply compound fertilizer once 15 days after pruning. Using compound fertilizer, the total nutrient content of compound fertilizer N+P 2 o 5 +K 2 O≥51%, N:P 2 o 5 :K 2 O=17:17:17, the dosage is 90kg / ha.

[0031] 2.2 Pest control. Spray 10% imidacloprid 6000 times solution once to control aphids, spray 40% chlorpyrifos 800 times solution once to control Spodoptera litura.

[0032] 2.3 Water level management. After pruning and the first fertilization, it must be ensured that the water level is lower than the stubble height of the plant, that is, about 10cm. After that, keep the water level below 30cm, or alternately dry and wet, that is, ...

example 2

[0036] A kind of cultivation method for promoting growth and flowering of pike grass twice a year, the steps are:

[0037] Step 1. Trim.

[0038] 1.1 Trim time. Finish pruning around August 15th.

[0039] 1.2 Stubble height. Make sure the stubble is about 10cm.

[0040] Step 2, later stage cultivation.

[0041] 2.1 Nutrient management. Apply compound fertilizer once 20 days after pruning. Using compound fertilizer, the total nutrient content of compound fertilizer N+P 2 o 5 +K 2 O≥51%, N:P 2 o 5 :K 2 O=17:17:17, the amount is 90kg / ha.

[0042] 2.2 Pest control. Spray 10% imidacloprid 5000 times solution once to control aphids, spray 40% chlorpyrifos 900 times solution once to control Spodoptera litura.

[0043] 2.3 Water level management. After pruning to the first fertilization, the water level must be lower than the stubble height of the plant, that is, 10cm. After that, keep the water level below 30cm, or alternately dry and wet, that is, pour water for 30cm...

example 3

[0047] A kind of cultivation method for promoting growth and flowering of pike grass twice a year, the steps are:

[0048] Step 1. Trim.

[0049] 1.1 Trim time. Finish pruning around August 30.

[0050] 1.2 Stubble height. Make sure the stubble is around 15cm.

[0051] Step 2, later stage cultivation.

[0052] 2.1 Nutrient management. Apply compound fertilizer once 25 days after pruning. Using compound fertilizer, the total nutrient content of compound fertilizer N+P 2 o 5 +K 2 O≥51%, N:P 2 o 5 :K 2 O=17:17:17, the dosage is 60kg / ha.

[0053] 2.2 Pest control. Spray 10% imidacloprid 4000 times solution once to control aphids, spray 40% chlorpyrifos 800 times solution once to control Spodoptera litura.

[0054] 2.3 Water level management. After pruning and the first fertilization, the water level must be lower than the stubble height of the plant, that is, 15cm. After that, keep the water level below 30cm, or alternately dry and wet, that is, pour water for 30cm...

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Abstract

The invention discloses a cultivation method for promoting biannual growth and flowering of Pontederia cordata. The method comprises the following steps: A, trimming: 1) the trimming time during the sharp decrease of the flower quantity and yellowing or withering of plant eaves after the full flowering stage and from mid-to-late July to mid-to-late August; 2) the stubble height; and B, later cultivation: 1) nutrient management: fertilization after trimming, wherein a composite fertilizer N + P2O5 + K2O is adopted during the fertilization; 2) pest and disease prevention and control; 3) water level management: the water level after the trimming and before primary fertilization is lower than the plant stubble height, or dry and wet alternating characterized by irrigation, natural falling drying, irrigation, fertilization ad pesticide application; and 4)) flower formation promoting measure. The method has the advantages of easiness in implementation, simplicity in operation, low cost, quick action, easiness in realization of the purpose of biannual growth and flowering of Pontederia cordata, prolongation of the ornamental period of Pontederia cordata, increase of the biomass of plants,improvement of the decontamination ability and the purifying effect, increase of the ornamental values and ecological functions, and excellent promotion property.

Description

technical field [0001] The invention relates to the technical field of ornamental plant cultivation, in particular to a cultivation method for promoting growth and flowering of pikegrass twice a year. Background technique [0002] Barracuda (Pontederia cordata L.) is a perennial emergent or wet herbaceous plant of the genus Barracuda in the family Pontederiaceae, native to America. The plant height is 80-150cm, the ground stems and leaves are clustered, the petioles are green, the leaves are cylindrical, the leaves are large (up to 25 cm long and 15 cm wide), dark green, and the leaf shapes are changeable, but most of them are obovate lanceolate. The scapes are upright, often higher than the leaves, the spikes are terminal, 5-20cm long, each panicle is densely packed with more than 200 florets, the size of a single flower is about 1cm, the upper two petals are blue-purple with yellow spots, and the diameter is about 10mm Left and right, perianth lobes 6. The fruit is gree...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G22/60
CPCA01G22/60
Inventor 潘俊峰操瑜李震刘艳玲
Owner 武汉植物园园艺中心有限公司
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