CN102144527A - Method for artificially assisting tropical lotuses to hibernate - Google Patents

Abstract

The invention discloses a method for artificially assisting tropical lotuses to hibernate, relating to a method for artificially assisting plants to hibernate. The method comprises the following steps of: selecting a hibernating pond; transplanting hibernating plants; daily managing the hibernating pond; when daily average temperature is reduced to 15-16 DEG C and the tropical lotuses enter into the last flowering phase, discharging water out of the hibernating pond till the water level between a mud surface and a water surface is reduced to 10cm; selecting a growth inhibitor; estimating the water quantity from the mud surface to the water surface in the hibernating pond, and converting volume of the water into weight of the water; dissolving the dosage form of 15% multi-effect azole wettable powder and then evenly spreading o.2 g of the multi-effect azole wettable powder into every 1kg of water; and next spring, when the temperature is continuously higher than 5 DEG C, digging out expanded underground lotus roots in the hibernating pond and supplying the lotus roots which are used as seed lotuses for planting the tropical lotus. The method disclosed by the invention adjusts measures to local conditions, is simple and practicable, convenient to operate and low in cost. The method is suitable for the natural and safe outdoor hibernating of the tropical lotuses in most regions in China.

Description

The manually auxiliary method of surviving the winter of hot belt type lotus

Technical field

The present invention relates to the method that a kind of artificial auxiliary plant survives the winter, relate in particular to the manually auxiliary method of surviving the winter of a kind of hot belt type lotus; Specifically, this method is by growth inhibitor hot belt type lotus overground part to be stopped growing, and makes trophic transfer to subterranean stem, can survive the winter by natural open country thereby make subterranean stem expand into lotus root.

Background technology

Exist two the Nature ecotypes in the Lotus Variety Resources: temperate zone type lotus and hot belt type lotus.

Originate in the big cultivated form of lotus root lotus, Zi Lian and Hua Liansan of also generally planting, belong to temperate zone type lotus in China; They have tangible year growth cycle with the variation of weather throughout the year: the growth in spring, bloom summer, enters the potential growth phase autumn, rhizomatous before the terminal number joint expand and grow up to lotus root.Temperate zone type lotus is exactly " lotus root " safe overwintering that depends on resting state, and becomes perennial perennial plant.

The hot belt type lotus originates in the torrid areas on the south 17 ° of the north latitude, the there does not almost have climatic variation throughout the year, so the hot belt type lotus does not have the variation of year growth rhythm yet, they do not need the dormancy of surviving the winter, their subterranean stem does not expand long " lotus root " yet, and is the whip band shape.

In recent years, cultivate the observation discovery by the hot belt type lotus being introduced Wuhan Area, it is temperature required than low about 10 ℃ of common lotus in the different phase of growing.In Wuhan Area, its flower can burst forth naturally to the Frost's Descent (early and middle ten days in November), and the florescence is longer, but its subterranean stem is difficult to tie lotus root, and the lotus root that can't depend on resting state survives the winter, so the hot belt type lotus can only be cultivated as therophytes in most of provinces and regions of China.Chinese garden planting person with good conditionsi takes the subterranean stem that the hot belt type lotus is the whip band shape usually, and the immigration greenhouse is auxiliary survives the winter.This method one is to need hardware facility---greenhouse; The 2nd, need heat winter, cost is higher.Even the Guangdong Coastal area in China also needs to survive the winter by auxiliary equipment such as plastic tunnels.Though so the hot belt type lotus florescence is long, can not survive the winter by natural open country, need repeat to buy seedling next year, limited its applying in China gardens.

Summary of the invention

The objective of the invention is to overcome the above-mentioned shortcoming and defect that prior art exists, provide a kind of hot belt type lotus manually auxiliary method of surviving the winter.This method is simple and easy to do, and is easy to operate, can make hot belt type lotus safe overwintering in outdoor water body, solved owing to can't survive the winter naturally and need repeat to purchase the problem of seedling next year, satisfied the demand of viewing and admiring that water body is afforested and beautified.

The object of the present invention is achieved like this, and promptly this method comprises the following steps:

1. the selection of wintering pond

The pond of choosing sunny, stable level is as wintering pond, requires that bed mud is that 25～35cm is thick at the bottom of the pond;

2. the survive the winter transplanting of plant

7 annual～August, at first need are survived the winter as next year the kind lotus root hot belt type lotus plant from planting pool or pool, dig out, it is complete to choose terminal bud, has 2～3 front end subterranean stems that launch leaf and 2～3 leaf rolls, transplants to wintering pond by every square metre of 2 the rhizomatous density of planting;

3. the daily management of wintering pond

Growing period at the hot belt type lotus imposes composite fertilizer once 8～October, and the water level from the mud face to the water surface will be aspired for stability and be remained on about 20cm, and plant does not have damage by disease and insect;

4. reduce to 15～16 ℃ when daily mean temperature, the hot belt type lotus enters when blooming latter stage, and the water in the discharging wintering pond makes mud face to the water level of the water surface reduce to 10cm;

5. the selection of growth inhibitor

In order fully to suppress the rhizomatous terminal bud differentiation of hot belt type lotus, make its elongation growth become slow, and nutriment partly accumulates and expands into lotus root gradually at the subterranean stem terminal bud rapidly, the present invention has selected can be in soil long-time residual growth inhibitor paclobutrazol PP333, and formulation is 15% paclobutrazol wetting powder;

6. estimate the water yield from the mud face to the water surface in the wintering pond (volume of water=length * pond, pond is wide * 10cm), and the volume of water is converted into the weight (volume cubic centimetre/1000 of kilogram=water) of water;

7. after with formulation being 15% paclobutrazol wetting powder (producing) dissolving by Shenghua Agricultural Chemicals Co., Ltd., Jiangsu Prov., ratio in 0.2 gram medicine, 1 kg of water (water yield in the wintering pond) evenly is sprinkled in the water, force hot belt type lotus subterranean stem top and plant overground part to stop growing, nutriment is transferred to subterranean stem and expands into lotus root, thus the resting state of entering;

8. in the Guangdong Coastal area of China, winter is interim, only needs the subterranean stem safe overwintering that the hot belt type lotus is expanded fills with water in the wintering pond; In China other regional severe winter, when daily mean temperature during between 0～5 ℃, need fills with water in the wintering pond, and be the top that the thick polyvinyl chloride film of 0.08～0.12mm covers wintering pond with thickness, and film and pool wall upper surface are close together, and cover with heavy batten or fragment of brick, guarantee that the residing dirt bed of subterranean stem that the hot belt type lotus expands do not endure cold, thus safe overwintering;

9. if meet colder winter low temperature, also can on polyethylene film, cover the thick straw layer of 5～10cm;

10. in spring in next year, when temperature continues to be higher than 5 ℃, the underground lotus root stem that expands in the wintering pond can be dug out, supply as the kind lotus root that the hot belt type lotus is planted.

Operation principle:

Lotus is " lotus root " safe overwintering that depends on resting state, so whether subterranean stem expands into lotus root and just become the key that can lotus safe overwintering.The hot belt type lotus does not have the variation of year growth rhythm, and the subterranean stem growing point is elongation growth forward constantly, is the whip band shape, can't survive the winter naturally.The present invention suppresses the overground part and the growth of subterranean stem growing point of hot belt type lotus by using 15% paclobutrazol wetting powder, can survive the winter by natural open country thereby make trophic transfer to the subterranean stem of plant expand into lotus root.

The present invention compared with prior art has the following advantages and good effect:

1, suit measures to local conditions, simple, easy to operate, cost is low again;

Thereby the subterranean stem of 2, having guaranteed the hot belt type lotus expands into the lotus root safe overwintering, has avoided repeating to purchase the wasting of resources that seedling causes because of surviving the winter;

3, be applicable to that the hot belt type lotus survives the winter at the natural open country in the most of area of China.

Embodiment

Further specify below in conjunction with embodiment:

One, 1.～10. the present invention's step of pressing summary of the invention is implemented, and the preferred plan in the step is:

Step 1. in, bed mud is that 30cm is thick.

Step 2. in, have 2 front end subterranean stems that launch leaves and 2 leaf rolls, plant by every square metre of 2 rhizomatous density.

Step 3. in, stable level remains on 20cm.

Step 4. in, reduce water level to 10cm.

Step 5. in, the formulation of paclobutrazol PP333 is 15% paclobutrazol wetting powder.

Step 7. in, the ratio that 15% paclobutrazol wetting powder applies is: 0.2 gram medicine 1 kg of water.

Step 8. in, polyvinyl chloride film thickness is 0.10mm.

Step 9. in, straw bed thickness 8.0cm.

Two, experimental result

The present invention has especially carried out large-area experiment at Wuhan Mo Shan in Wuhan Area, has received good effect.

1, hot belt type lotus subterranean stem is " whip band shape ";

2, subterranean stem front end 1-2 joint expands into lotus root behind enforcement the present invention, can survive the winter by nature.

Claims (1)

1. the manually auxiliary method of surviving the winter of hot belt type lotus is characterized in that comprising the following steps:

1. the selection of wintering pond

The pond of choosing sunny, stable level is as wintering pond, requires that bed mud is that 25～35cm is thick at the bottom of the pond;

2. the survive the winter transplanting of plant

7 annual～August, with need survive the winter as next year the kind lotus root hot belt type lotus plant from planting pool or pool, dig out, it is complete to choose terminal bud, has 2～3 front end subterranean stems that launch leaf and 2～3 leaf rolls, transplants to wintering pond by every square metre of 2 the rhizomatous density of planting;

3. the daily management of wintering pond

Growing period at the hot belt type lotus imposes composite fertilizer once 8～October, and the water level from the mud face to the water surface will be aspired for stability and be remained on about 20cm, and plant does not have damage by disease and insect;

4. reduce to 15～16 ℃ when daily mean temperature, the hot belt type lotus enters when blooming latter stage, and the water in the discharging wintering pond makes mud face to the water level of the water surface reduce to 10cm;

5. the selection of growth inhibitor

Selected can be in soil long-time residual growth inhibitor paclobutrazol PP333, formulation is 15% paclobutrazol wetting powder;

6. estimate the water yield from the mud face to the water surface in the wintering pond, and the volume of water is converted into the weight of water;

7. after with formulation being the dissolving of 15% paclobutrazol wetting powder, ratio in 0.2 gram medicine, 1 kg of water evenly is sprinkled in the water, force hot belt type lotus subterranean stem top and plant overground part to stop growing, nutriment is transferred to subterranean stem and expands into lotus root, thus the resting state of entering;

8. in the Guangdong Coastal area of China, winter is interim, only needs the subterranean stem safe overwintering that the hot belt type lotus is expanded fills with water in the wintering pond; In China other regional severe winter, when daily mean temperature during between 0～5 ℃, need fills with water in the wintering pond, and be the top that the thick polyvinyl chloride film of 0.08～0.12mm covers wintering pond with thickness, and film and pool wall upper surface are close together, and cover with heavy batten or fragment of brick, guarantee that the residing dirt bed of subterranean stem that the hot belt type lotus expands do not endure cold, thus safe overwintering;

9. if meet colder winter low temperature, also can on polyethylene film, cover the thick straw layer of 5～10cm;

10. in spring in next year, when temperature continues to be higher than 5 ℃, the underground lotus root stem that expands in the wintering pond can be dug out, supply as the kind lotus root that the hot belt type lotus is planted.