CN104969753B - A kind of cultural method of crop rotation prevention and control banana plant pathogenic nematode disease - Google Patents
A kind of cultural method of crop rotation prevention and control banana plant pathogenic nematode disease Download PDFInfo
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 title claims abstract description 115
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- 238000003967 crop rotation Methods 0.000 title claims abstract description 79
- 240000000905 Nymphoides indica Species 0.000 title claims abstract description 68
- 235000017590 Nymphoides indica Nutrition 0.000 title claims abstract description 68
- 230000001717 pathogenic effect Effects 0.000 title claims abstract description 62
- 230000002265 prevention Effects 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 20
- 235000009467 Carica papaya Nutrition 0.000 claims abstract description 127
- 241000219173 Carica Species 0.000 claims abstract description 126
- 239000002689 soil Substances 0.000 claims abstract description 126
- 241000209094 Oryza Species 0.000 claims abstract description 113
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 113
- 235000009566 rice Nutrition 0.000 claims abstract description 113
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- 238000003306 harvesting Methods 0.000 claims abstract description 26
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- 241000196324 Embryophyta Species 0.000 claims description 85
- 240000008790 Musa x paradisiaca Species 0.000 claims description 61
- 238000005516 engineering process Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
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- 229910052698 phosphorus Inorganic materials 0.000 description 4
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Classifications
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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
- A01G22/20—Cereals
- A01G22/22—Rice
-
- 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
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Abstract
The invention provides a kind of cultural method of crop rotation prevention and control banana plant pathogenic nematode disease, this method is planted using banana and the planting type of paddy rice, papaya crop rotation, in the first rice cultivation in banana ground of the sick incidence of disease more than 50% of banana plant pathogenic nematode, papaya is planted after rice harvesting, plant banana after papaya harvesting again again, and combine rice straw and papaya leaf and residuum returning to the field measure.Ecological environment of soil is adjusted by the root exudates or residuum decomposition object of paddy rice and papaya, so as to suppress the breeding of banana plant pathogenic nematode, improves soil nematode community structure.Circulating 2 by this alternating method more than the cycle can significantly reduce the sick incidence of disease of banana plant pathogenic nematode, and promote growing for banana, simple to operate, ecological, environmental protective, and suit large area to popularize application.
Description
Technical field
The invention belongs to technical field of agricultural cultivation, and in particular to a kind of cultivation of crop rotation prevention and control banana plant pathogenic nematode disease
Culture method.
Background technology
In recent years, plant pathogeny line insect disease spreads rapidly in south China, seriously hinders the strong of modern banana industry
Kang Fazhan, makes the production of banana be faced with stern challenge.The disease spread approach extensively, can pass through water, soil and seedling etc.
Medium Propagation, China part Jiao Yuan has been subjected to ruining garden strike.Due to the limitation of weather conditions, China can plant the arable land of banana
Area is extremely limited, if or else taking effectively preventing measure, China's banana industry will face severe situation.
While being critically ill harmful by plant pathogeny line insect, the banana ecological environment of China deteriorates year by year, due to arable land face
Product is reduced year by year, the influence driven with the factors such as working condition of economic interests, and the continuous cropping time limit of banana is continuously increased, portion
The continuous cropping of Fen Jiao gardens is up to more than 20 years, and chronic administration chemical fertilizer, agricultural chemicals and insecticide can cause soil physico-chemical property to be deteriorated, organic matter
Content is reduced, and nutrient imbalance, beneficial microorganism type and quantity are reduced, poisonous and harmful substance is constantly accumulated and then triggers continuous cropping
Obstacle, causes Banana Growth slow, and breeding time extension, resistance declines, and pest and disease damage occurs seriously, and then influences the yield of banana
And quality.
At present can be with respite banana plant disease by modes such as physical method, chemical agent and cultivation disease-resistant varieties
Former nematodiasis, but these methods are there is also many disadvantages, such as waterflooding lie fallow needs time it is longer, and do not have
Reach the reasonable utilization of land resource;The chemicals such as liming, agricultural chemicals can produce harmful effect to soil texture, make soil plate
Knot, causes environmental pollution, is unfavorable for agricultural sustainable development, and residual of the chemical substance in soil can cause banana
Middle harmful substance is exceeded;Also there is low, inferior quality of breeding cycle length, resistance level etc. and ask in the disease-resistant variety newly cultivated at present
Topic;The diseases prevention speed of biological control is slow and effect is also unstable, and there is presently no find a kind of preferably preventing and treating banana plant
The microorganism formulation of pathogenic nematode disease, therefore, ecological prevention and control progressively turn into the new direction of preventing and treating banana plant pathogenic nematode disease.
Crop rotation cropping pattern is the elite of China's traditional agriculture, to lasting control soil-borne disease and to overcome continuous cropping obstacle to have aobvious
The effect of work.The experimental results show that crop rotation can not only coordinate the limitation of Nutrient Absorption between Different Crop, increase soil
Nutrient availability in earth, can also reduce Auto toxicity by the change of root exudates, improve Soil nematode community knot
Structure, reduces the generation of plant pathogeny line insect disease.
The content of the invention
Therefore, a kind of cultural method of the offer crop rotation prevention and control banana plant pathogenic nematode disease of the present invention, using paddy rice-kind
Pawpaw-banana crop rotation planting patterns, soil ecology ring is adjusted by the root exudates or residuum decomposition object of paddy rice and papaya
Border, so as to suppress the breeding of banana plant pathogenic nematode, improves soil nematode community structure, simple to operate, ecological, environmental protective can show
The sick incidence of disease of reduction banana plant pathogenic nematode is write, and promotes growing for banana.
In order to solve the above technical problems, a kind of cultural method of crop rotation prevention and control banana plant pathogenic nematode disease of the invention, its
It is characterised by specifically including the following steps:
(1) banana ground crop rotation rice cultivation:The serious Jiao Yuan of banana plant pathogenic nematode disease morbidity is cleared up, turned over
Soil 30-35cm, while the papaya leaf and papaya residuum that are cut into 1.5cm are turned in the lump in 3% ratio of soil quality
In burying, or papaya leaf and papaya residuum are directly pressed into 28.4thm-2Consumption be covered in ground surface;Filled into soil
Water, water surface elevation is 5-8cm, then late July start rice transplanting rice cultivation;It is in waterflooding shape that soil is kept during Rice Cropping
State, Second Year early January paddy rice harvesting terminates, 7-10 days before rice harvesting, carries out draining;
(2) paddy rice crop rotation plantation papaya:After rice harvesting, rice terrace, dry field 15-20 days, plowed soils 30- are cleared up
35cm, while the rice straw for being cut into 2.0cm is ploughed under in soil together in 2% ratio of soil quality, or directly by paddy rice
Stalk presses 19.6thm-2Consumption be covered in ground surface, Second Year starts to plant papaya, in late April, the 3rd mid-March
Start harvesting, May, harvesting terminated;
(3) papaya crop rotation plantation banana:After papaya harvesting terminates, papaya garden, plowed soils 30- are cleared up in time
35cm, while 1.5cm papaya leaf and papaya residuum will be cut into 1.5% ratio of soil quality and be cut into 2.0cm
Rice straw ploughed under together in soil in 1% ratio of soil quality, or directly papaya leaf and papaya residuum are pressed
14.2t·hm-2Consumption, rice straw press 9.8thm-2Consumption simultaneously be covered in ground surface, in mid-July, the 3rd is again
Banana is planted, starts harvesting in mid-May, the 4th, June, harvesting terminated.
In the step (1) banana the crop rotation paddy rice time be more than 2 batches.
Rice varieties are South China early cropping indica rice, middle Xian, evening Xian or late round-grained rice in the step (1).
Rice seedling uses seminal propagation in the step (1), after hardening, and selection is healthy and strong, the paddy rice of no disease and pests harm
Rice shoot is colonized, and the cultivation line-spacing of paddy rice is that 45-55cm, spacing in the rows are 10-15cm, per cave seedling number 4-5 seedlings, every mu of basic seedling amount 4.5-
6.0 ten thousand seedlings, field management is carried out according to conventional cultivation technology.
In the step (2) banana crop rotation papaya time be more than 2 batches.
Papaya kind described in the step (2) is red prince wife, rise day, U.S.-China is red or platform agriculture.
Papaya seedling uses seminal propagation in the step (2), after hardening, and selection is healthy and strong, kind of no disease and pests harm
Pawpaw seedling is colonized;Papaya planting patterns uses wide-narrow row planting, wide row line-spacing 2.5m, narrow row line-spacing 1.5m, spacing in the rows 1.8m, often
160-180 plants of mu, field management is carried out according to conventional cultivation technology.
Banana variety is Brazilian any of several broadleaf plants, dwarf banana, emperor any of several broadleaf plants or plantain in the step (3).
The tissue culture seedlings of bananas of no disease and pests harm is selected in the step (3) as planting material, using wide-narrow row planting, wide row
Line-spacing 3.0m, narrow row line-spacing 1.7m, spacing in the rows 2.0m, every mu 150-170 plants, field management is carried out according to conventional cultivation technology.
Beneficial effects of the present invention are:
1. planting type of the present invention selects banana-paddy rice-papaya crop rotation for the high morbidity Jiao Yuan of plant pathogeny line insect disease
With reference to rice straw and papaya leaf and the method for papaya residuum returning to the field, soil can be made after paddy rice and papaya plantation
Physicochemical property is significantly improved, so that the soil nematode community structure of health is maintained, when reducing lower stubble plantation banana
The incidence of disease of plant pathogeny line insect disease.
2. planting type of the present invention is given up compared with the sick prevention and control measure of other banana plant pathogenic nematodes by crop rotation and agricultural
Reasonable utilize of gurry rice straw and papaya dead leaf, residuum etc. improves the high morbidity Jiao Yuan's of banana plant pathogenic nematode disease
Ecological environment of soil, while avoiding the waste of land resource.
3. the planting type time cycle of the present invention is relatively reasonable, make the species sum of plant pathogeny line insect in banana Orchard Soil
Amount substantially reduction, the quantity of free-living nematode trophic group substantially increases, and maintains the relatively reasonable soil ecology of banana garden
Environment, compared with banana continuous cropping, can lift the control effect of plant pathogeny line insect disease and promote growing for banana.
Embodiment
For a further understanding of the present invention, it is illustrated below using specific embodiment, it is necessary to illustrate, below in fact
Example only enumerating as the present invention is applied, limiting the scope of the invention is not construed as.
A kind of cultural method of crop rotation prevention and control banana plant pathogenic nematode disease of the present invention, it is characterised in that specifically include following
Step:
(1) banana ground crop rotation rice cultivation:The serious Jiao Yuan of banana plant pathogenic nematode disease morbidity is cleared up, turned over
Soil 30-35cm, while the papaya leaf and papaya residuum that are cut into 1.5cm are turned in the lump in 3% ratio of soil quality
In burying, or papaya leaf and papaya residuum are directly pressed into 28.4thm-2Consumption be covered in ground surface.Four in any of several broadleaf plants garden
The high 25cm of Zhou Zhuqi, width 10cm water-impervious enclose the ridge, exosmose, are poured water into soil, water surface elevation is 5- to prevent the water in field
8cm.Late July starts rice transplanting rice cultivation then, carries out keeping during field management, Rice Cropping according to conventional cultivation technology
Soil is in waterflooding state.The harvesting of Second Year early January paddy rice terminates, 7-10 days before rice harvesting, carries out draining.
(2) paddy rice crop rotation plantation papaya:After rice harvesting, rice terrace, dry field 15-20 days, plowed soils 30- are cleared up
35cm, while the rice straw for being cut into 2.0cm is ploughed under in soil together in 2% ratio of soil quality, or directly by paddy rice
Stalk presses 19.6thm-2Consumption be covered in ground surface.Second Year starts to plant papaya, in late April, the 3rd mid-March
Start harvesting, May, harvesting terminated.Planting patterns uses wide-narrow row planting, wide row line-spacing 2.5m, narrow row line-spacing 1.5m, spacing in the rows
1.8m, every mu 160-180 plants, field management is carried out according to conventional cultivation technology.
(3) papaya crop rotation plantation banana:After papaya harvesting terminates, papaya garden, plowed soils 30- are cleared up in time
35cm, while 1.5cm papaya leaf and papaya residuum will be cut into 1.5% ratio of soil quality and be cut into 2.0cm
Rice straw ploughed under together in soil in 1% ratio of soil quality, or directly papaya leaf and papaya residuum are pressed
14.2t·hm-2Consumption, rice straw press 9.8thm-2Consumption simultaneously be covered in ground surface.In mid-July, the 3rd is again
Banana is planted, starts harvesting in mid-May, the 4th, June, harvesting terminated.Using wide-narrow row planting, wide row line-spacing 3.0m, narrow row
Line-spacing 1.7m, spacing in the rows 2.0m, every mu 150-170 plants, field management is carried out according to conventional cultivation technology.
Following examples are the high morbidity any of several broadleaf plants garden sick soil of plant pathogeny line insect disease in Hainan banana planting base, soil physical chemistry
Matter is as follows:PH 5.26, organic matter 7.32gkg-1, full nitrogen 0.57gkg-1, full phosphorus 0.63gkg-1, full potassium 0.98gkg-1, clay (<0.002mm) 13.86%.
Embodiment 1:
1 batch of the high morbidity any of several broadleaf plants garden crop rotation paddy rice of plant pathogeny line insect disease and papaya, 2 batches, 3 batches, banana (Brazil is planted again
Any of several broadleaf plants) after, the improvement situation of the change of plant pathogeny line insect type and quantity, i.e. soil ecosystem in soil.
Test site:The clock Industrial Co., Ltd.s of Hainan Province Le Dongxian ten thousand;Sampling time:On March 16th, 2015
Banana planting plot experiment sets, sample number into spectrum and is described as follows:
1.CK, the high morbidity any of several broadleaf plants garden sick soil of the continuous cropping banana plant pathogeny line insect of more than 10 years disease;
2.RA, 1 batch of the high morbidity any of several broadleaf plants garden crop rotation paddy rice of the continuous cropping banana plant pathogeny line insect of more than 10 years disease and papaya
Afterwards, the soil of banana is planted again;
3.RB, 2 batches of the high morbidity any of several broadleaf plants garden crop rotation paddy rice of the continuous cropping banana plant pathogeny line insect of more than 10 years disease and papaya
Afterwards, the soil of banana is planted again;
4.RC, 3 batches of the high morbidity any of several broadleaf plants garden crop rotation paddy rice of the continuous cropping banana plant pathogeny line insect of more than 10 years disease and papaya
Afterwards, the soil of banana is planted again.
3 repetitions are each handled, totally 12 cells.The area of each cell is 13m × 17m, rectangle wide-narrow row planting, strain
Away from 2.0m, wide row line-spacing 3.0m, narrow row line-spacing 1.7m, every mu of 150-170 plants of seedling of plant carries out field according to conventional cultivation technology
Between manage.Banana crop rotation rice cultivation when will be cut into 1.5cm papaya leaf and papaya residuum by the 3% of soil quality
Ratio is ploughed under in soil in the lump.Paddy rice crop rotation plantation papaya when will be cut into 2.0cm rice straw by the 2% of soil quality
Ratio is ploughed under in soil together.Papaya crop rotation plantation banana when will be cut into 1.5cm papaya leaf and papaya residuum by soil
1.5% ratio of loamy texture amount is ploughed under in soil together with the rice straw for being cut into 2.0cm in 1% ratio of soil quality.
Sampling:It is sampled using 5 point samplings, gathers the rhizosphere soil apart from plant 40-50cm, depth selection is 0-
30cm.Soil nematode trophic groupss, the species sum of banana plant pathogenic nematode are determined during banana planting 220 days (taking out flower bud phase)
The incidence of disease and preventive effect of amount, soil physico-chemical property and banana plant pathogenic nematode disease.
The measure of the type and quantity of soil nematode trophic groupss and banana plant pathogenic nematode:From 100g fresh soil samples
Separation and Extraction is carried out to soil nematodes using the tray method (Zhong et al., 2013) of improvement.Randomly select 100 nematodes
(the processing full dose identification less than 100, as a result convert to be compared after 100) carry out section category reflects under an optical microscope
It is fixed.The measure of soil physico-chemical property:It is the soil weight (BD), porosity (SP), pH, electrical conductivity (EC), total organic carbon (TOC), complete
Nitrogen (TN), ammonium nitrogen (NH4- N), nitrate nitrogen (NO3- N), rapid available phosphorus (AP) and available potassium (AK) determine that (Shandong is such as using conventional method
It is female, 2000).
(1) wheel makees the influence of Banana soil nematode communities structure of falling ill high to banana plant pathogenic nematode disease
The different crop rotation time limit Jiao Yuan of table 1 soil nematode community structure (mean+SD)
Interpretation of result:As it can be seen from table 1 after the high morbidity any of several broadleaf plants garden crop rotation paddy rice of plant pathogeny line insect disease and papaya,
Bacterial-feeding nematodes, Fungal-feeding nematode and predation/miscellaneous nematophagous quantity are dramatically increased in soil, plant nematode and phytopathy
Former nematode (Meloidogyne, Pratylenchus, Rotylenchulus, Helicotylenchus and Rotylenchus)
Quantity is significantly reduced.The plant pathogeny line insect quantity of CK processing is 85 100g-1Dry ground;The plant pathogeny line insect number of RA processing
Measure as 9 100g-1Dry ground;The plant pathogeny line insect quantity of RB processing is 4 100g-1Dry ground;The pathogenic of RC processing
Nematode population is 3 100g-1Dry ground.Compared with CK processing, the plant pathogeny line insect quantity of RA processing reduces 78.8%, RB
The plant pathogeny line insect quantity that the plant pathogeny line insect quantity of processing reduces 95.3%, RC processing reduces 96.5%.This knot
Fruit shows that the quantity of plant pathogeny line insect is reduced, banana crop rotation paddy rice and papaya 3 with the increase of crop rotation time in soil
Plant pathogeny line insect quantity is reduced at most in soil after stubble.Soil nematode community structure after 2 batches of banana crop rotation paddy rice and papaya
Can be improved significantly, bacterial-feeding nematodes, Fungal-feeding nematode and predation/miscellaneous nematophagous quantity increase compared with control treatment
Add more than 55%, the quantity of plant pathogeny line insect reduces more than 95% compared with control treatment.As can be seen here, banana-water
Rice-pineapple crop rotation combination rice straw and papaya leaf and papaya residuum returning to the field advantageously reduce banana plant pathogenic nematode disease
Harmful generation.
(2) wheel makees the influence of Banana soil physicochemical property of falling ill high to banana plant pathogenic nematode disease
The different crop rotation time limit Jiao Yuan of table 2 soil physico-chemical property (mean+SD)
Interpretation of result:From table 2 it can be seen that after the high morbidity any of several broadleaf plants garden crop rotation paddy rice of plant pathogeny line insect disease and papaya,
Soil SP, pH, TOC, TN, NH4-N、NO3- N, AP and AK contents are dramatically increased, and BD and EC are significantly reduced.Compared with CK processing, RA
SP, pH, TOC, TN, NH of processing4-N、NO3- N, AP and AK add 23.2%, 12.1%, 29.34%, 18.0% respectively,
31.5%, 31.3%, 47.3% and 53.4%, BD and EC reduce 11.8% and 15.3% respectively;RB processing SP, pH,
TOC、TN、NH4-N、NO3- N, AP and AK add 28.1%, 17.9%, 42.3%, 28.4%, 40.1%, 41.6% respectively,
55.7% and 59.6%, BD and EC reduce 21.5%, and 34.1% respectively;SP, pH, TOC, TN, NH of RC processing4-N、NO3-
N, AP and AK add 32.5%, 20.2%, 48.1%, 37.2%, 45.3%, 47.6%, 61.%4 and 61.9%, BD respectively
27.1% and 56.3% are reduced respectively with EC.This result shows, the high morbidity any of several broadleaf plants garden crop rotation paddy rice of banana plant pathogenic nematode disease
And papaya, the physicochemical property of soil is significantly improved in combination with rice straw and papaya leaf and papaya residuum returning to the field,
The soil weight is such as reduced, increases the porosity of soil, strengthens the permeability of soil;Soil pH value is improved, soil is effectively prevented
Acidifying;Reduce the salt content of soil EC values, effectively reduction soil;Increase the soil organism and full N content, it is possible to substantially increase
Soil available N, P and K nutrients.After 2 batches of banana crop rotation paddy rice and papaya the physicochemical property of soil can be improved significantly, its
Middle total organic carbon, ammonium nitrogen, nitrate nitrogen, rapid available phosphorus and quick-acting potassium content add more than 40% compared with control treatment.
(3) incidence of disease of crop rotation any of several broadleaf plants garden banana plant pathogenic nematode disease
The incidence of disease and preventive effect (mean+SD) of the different crop rotation time limit any of several broadleaf plants garden plant pathogeny line insect diseases of table 3
Interpretation of result:From table 3 it can be seen that the incidence of disease that the incidence of disease of CK processing is 60.6%, RA processing is 14.4%,
The incidence of disease of RB processing is that the incidence of disease of 4.8%, RC processing is 1.9%.Compared with CK processing, the prevention and control rate of RA processing is more than
The prevention and control rate that the prevention and control rate of 75%, RB processing is more than 90%, RC processing is more than 95%.This result shows that plant pathogeny line insect is sick
The incidence of disease reduced with the increase of crop rotation time, after 3 batches of banana crop rotation paddy rice and papaya plant pathogeny line insect disease hair
Sick rate is minimum.Banana is planted again after 2 batches of banana crop rotation paddy rice and papaya, you can make the incidence of disease drop of plant pathogeny line insect disease
Within as little as 5%.As can be seen here, banana-paddy rice-papaya crop rotation is residual in combination with rice straw and papaya leaf and papaya
Body returning to the field can significantly reduce the incidence of disease of the former nematodiasis of banana plant.
Embodiment 2:
After 2 batches of the high morbidity any of several broadleaf plants garden crop rotation paddy rice of banana plant pathogenic nematode disease and papaya, banana (Brazil is planted again
Any of several broadleaf plants) 1 batch, 2 batches, 3 batches, 4 batches and 5 batches, the incidence of disease and preventive effect of banana plant pathogenic nematode disease.
Test site:The clock Industrial Co., Ltd.s of Hainan Province Le Dongxian ten thousand;Sampling time:On March 18th, 2015
Banana planting plot experiment sets, sample number into spectrum and is described as follows:
1.CK, the high morbidity Jiao Yuan of the continuous cropping banana banana plant pathogenic nematode of more than 10 years disease;
2.RD, the high morbidity any of several broadleaf plants garden crop rotation paddy rice of the continuous cropping banana banana plant pathogenic nematode of more than 10 years disease and papaya
After 2 batches, the banana Banana soil of 1 year is planted again;
3.RE, the high morbidity any of several broadleaf plants garden crop rotation paddy rice of the continuous cropping banana banana plant pathogenic nematode of more than 10 years disease and papaya
After 2 batches, the banana Banana soil of 2 years is planted again;
4.RF, the high morbidity any of several broadleaf plants garden crop rotation paddy rice of the continuous cropping banana banana plant pathogenic nematode of more than 10 years disease and papaya
After 2 batches, the banana Banana soil of 3 years is planted again;
5.RG, the high morbidity any of several broadleaf plants garden crop rotation paddy rice of the continuous cropping banana banana plant pathogenic nematode of more than 10 years disease and papaya
After 2 batches, the banana Banana soil of 4 years is planted again;
6.RH, the high morbidity any of several broadleaf plants garden crop rotation paddy rice of the continuous cropping banana banana plant pathogenic nematode of more than 10 years disease and papaya
After 2 batches, the banana Banana soil of 5 years is planted again.
3 repetitions are each handled, totally 18 cells.The area of each cell is 13m × 17m, rectangle wide-narrow row planting, strain
Away from 2.0m, wide row line-spacing 3.0m, narrow row line-spacing 1.7m, every mu of 150-170 plants of seedling of plant.Banana crop rotation rice cultivation when will
The papaya leaf and papaya residuum for being cut into 1.5cm are ploughed under in soil in the lump in 3% ratio of soil quality.Paddy rice ground crop rotation kind
The rice straw for being cut into 2.0cm is ploughed under in soil together in 2% ratio of soil quality when planting papaya.The crop rotation of papaya ground
1.5cm papaya leaf and papaya residuum will be cut into 1.5% ratio of soil quality and be cut into 2.0cm during plantation banana
Rice straw ploughed under together in soil in 1% ratio of soil quality.Field management, banana are carried out according to conventional cultivation technology
The incidence of disease and preventive effect of investigation banana plant pathogenic nematode disease when planting 220 days (taking out flower bud phase).
Interpretation of result:From table 4, it can be seen that the incidence of disease of CK processing is 50.4%;The incidence of disease of RD processing is 1.8%;
The incidence of disease of RE processing is 11.6%;The incidence of disease of RF processing is 16.9%;What the incidence of disease of RG processing was handled for 23.3%, RH
The incidence of disease is 28.7%.Compared with CK processing, the prevention and control rate of RD processing is more than 95%;RE and RF processing prevention and control rate be respectively
79.1% and 69.5%, RG and RH processing prevention and control rate drop to 57.9% and 48.2%.Result of study shows that banana plant is sick
After 2 batches of former nematodiasis height morbidity any of several broadleaf plants garden crop rotation paddy rice and papaya, continuous 1-5 batches of banana of plantation is to banana plant cause of disease line again
Parasitosis all has certain control effect, but prevention and control rate is reduced with the increase of continuous plantation banana stubble number, is planted again
During the 1st batch of banana, prevention and control rate is more than 95%, but prevention and control rate only has 48.2% at the 5th batch.Therefore, it is proposed that, banana plant
After 2 batches of the high morbidity any of several broadleaf plants garden crop rotation paddy rice of thing pathogenic nematode disease and papaya, plantation banana needs to replant other works in 5 years again
Thing or more disease-resistant kind, otherwise banana plant pathogenic nematode disease the incidence of disease will aggravate year by year, influence banana normal growth.
The different continuous cropping time limit Jiao Yuan of the table 4 sick incidence of disease of banana plant pathogenic nematode and preventive effect (mean+SD)
Embodiment 3:
The influence of rice straw and papaya leaf and papaya residuum to the sick incidence of disease of banana plant pathogenic nematode and preventive effect
Test site:The clock Industrial Co., Ltd.s of Hainan Province Le Dongxian ten thousand;Sampling time:On March 19th, 2015
Banana planting plot experiment sets, sample number into spectrum and is described as follows:
1.CK, banana plant pathogenic nematode disease height is fallen ill after 2 batches of any of several broadleaf plants garden crop rotation paddy rice and papaya, again Planting of Brazil any of several broadleaf plants
Any returning to the field processing is not made in 1 Nian Jiao gardens, banana garden;
2.RI, banana plant pathogenic nematode disease height is fallen ill after 2 batches of any of several broadleaf plants garden crop rotation paddy rice and papaya, again Planting of Brazil any of several broadleaf plants
1 Nian Jiao gardens, will be cut into 2.0cm rice straw in 2% ratio one of soil quality while plowed soils 30-35cm
Rise and plough under in soil.
3.RJ, banana plant pathogenic nematode disease height is fallen ill after 2 batches of any of several broadleaf plants garden crop rotation paddy rice and papaya, again Planting of Brazil any of several broadleaf plants
1 Nian Jiao gardens, will be cut into 1.5cm papaya leaf and papaya residuum by soil quality while plowed soils 30-35cm
3% ratio plough under in the lump in soil.
4.RK, banana plant pathogenic nematode disease height is fallen ill after 2 batches of any of several broadleaf plants garden crop rotation paddy rice and papaya, again Planting of Brazil any of several broadleaf plants
1 Nian Jiao gardens, will be cut into 1.5cm papaya leaf and papaya residuum by soil quality while plowed soils 30-35cm
1.5% ratio and be cut into 2.0cm rice straw and ploughed under together in soil in 1% ratio of soil quality.
5.RL, banana plant pathogenic nematode disease height is fallen ill after 2 batches of any of several broadleaf plants garden crop rotation paddy rice and papaya, again Planting of Brazil any of several broadleaf plants
1 Nian Jiao gardens, directly press 19.6thm by rice straw-2Consumption be covered in ground surface.
6.RM, banana plant pathogenic nematode disease height is fallen ill after 2 batches of any of several broadleaf plants garden crop rotation paddy rice and papaya, again Planting of Brazil any of several broadleaf plants
1 Nian Jiao gardens, directly press 28.4thm by papaya leaf and papaya residuum-2Consumption be covered in ground surface.
7.RN, banana plant pathogenic nematode disease height is fallen ill after 2 batches of any of several broadleaf plants garden crop rotation paddy rice and papaya, again Planting of Brazil any of several broadleaf plants
1 Nian Jiao gardens, directly press 14.2thm by papaya leaf and papaya residuum-2Consumption, rice straw press 9.8thm-2's
Consumption is covered in ground surface simultaneously.
3 repetitions are each handled, totally 21 cells.The area of each cell is 13m × 17m, rectangle wide-narrow row planting, strain
Away from 2.0m, wide row line-spacing 3.0m, narrow row line-spacing 1.7m, every mu of 150-170 plants of seedling of plant.Field is carried out according to conventional cultivation technology
Between manage, the incidence of disease and preventive effect of banana plant pathogenic nematode disease are investigated during banana planting 220 days (taking out flower bud phase).
The influence of the rice straw of table 5 and papaya leaf and papaya residuum returning to the field to the sick incidence of disease of banana plant pathogenic nematode
(mean+SD)
Interpretation of result:As can be seen from Table 5, the incidence of disease of CK processing is that the incidence of disease of 18.1%, RI processing is 6.4%,
The incidence of disease of RJ processing is that the incidence of disease of 3.5%, RK processing is that the incidence of disease of 1.3%, RL processing is the hair of 8.2%, RM processing
Sick rate is that the incidence of disease of 5.0%, RN processing is 1.8%.Compared with CK processing, the prevention and control rate of RK and RN processing is all higher than 90%;
The prevention and control rate of RI, RJ and RM processing is respectively 64.6%, 80.8% and 72.6%, is all higher than 60%.Result of study shows no matter
Rice straw and papaya leaf and papaya residuum are admixed in soil or covering earth's surface can improve banana plant pathogenic nematode
The control effect of disease;The protection effect that rice straw and papaya leaf and papaya residuum are admixed in soil is better than paddy rice straw
Stalk and papaya leaf and papaya residuum cover the protection effect of earth's surface;By rice straw and papaya leaf and papaya residuum one
Rise returning to the field (admix in soil or covering earth's surface) protection effect be better than it is only that rice straw or papaya leaf and papaya is residual
Body carries out the control effect of returning to the field (admixing in soil or cover earth's surface).
This planting type is by banana-paddy rice-papaya crop rotation and rice straw and papaya leaf and papaya residuum returning to the field
It is combined, have studied banana-paddy rice-papaya wheel and make to the sick incidence of disease of banana garden plant pathogeny line insect, Soil nematode community
The influence of structure and soil physico-chemical property.As a result show:Banana-paddy rice-papaya crop rotation can suppress plant in Banana soil
The growth of pathogenic nematode, improves soil nematode community structure, strengthen soil nutrient validity and plant to the profit of soil nutrient
With efficiency, the incidence of disease of banana plant pathogenic nematode disease is significantly reduced, 2 batches or more than 2 batches of banana crop rotation paddy rice and papaya are simultaneously
With reference to rice straw and papaya leaf and papaya residuum returning to the field (admixing in soil or covering earth's surface), then plant again fragrant simultaneously
Any of several broadleaf plants is that can reach good protection effect.
Embodiments of the present invention are explained in detail above in conjunction with subordinate list, but the present invention is not limited to above-mentioned implementation
, can also be on the premise of invention objective not be departed from mode, the knowledge that one skilled in the relevant art possesses
Make various changes.
Claims (9)
1. a kind of cultural method of crop rotation prevention and control banana plant pathogenic nematode disease, specifically includes the following steps:
(1) banana ground crop rotation rice cultivation:The serious Jiao Yuan of banana plant pathogenic nematode disease morbidity is cleared up, plowed soils
30-35cm, while will be cut into 1.5cm papaya leaf and papaya residuum ploughs under soil in the lump in 3% ratio of soil quality
In, or papaya leaf and papaya residuum are directly pressed into 28.4thm-2Consumption be covered in ground surface;Poured water into soil, water
Face highly be 5-8cm, then late July start rice transplanting rice cultivation;It is in waterflooding state, second that soil is kept during Rice Cropping
Year early January paddy rice harvesting terminates, and 7-10 days before rice harvesting, carries out draining;
(2) paddy rice crop rotation plantation papaya:After rice harvesting, rice terrace, dry field 15-20 days, plowed soils 30- are cleared up
35cm, while the rice straw for being cut into 2.0cm is ploughed under in soil together in 2% ratio of soil quality, or directly by paddy rice
Stalk presses 19.6thm-2Consumption be covered in ground surface, Second Year starts to plant papaya, in late April, the 3rd mid-March
Start harvesting, May, harvesting terminated;
(3) papaya crop rotation plantation banana:After papaya harvesting terminates, papaya garden, plowed soils 30- are cleared up in time
35cm, while 1.5cm papaya leaf and papaya residuum will be cut into 1.5% ratio of soil quality and be cut into 2.0cm
Rice straw ploughed under together in soil in 1% ratio of soil quality, or directly papaya leaf and papaya residuum are pressed
14.2t·hm-2Consumption, rice straw press 9.8thm-2Consumption simultaneously be covered in ground surface, in mid-July, the 3rd is again
Banana is planted, starts harvesting in mid-May, the 4th, June, harvesting terminated.
2. a kind of cultural method of crop rotation prevention and control banana plant pathogenic nematode disease according to claim 1, it is characterised in that:
In the step (1) banana crop rotation paddy rice time be more than 2 batches.
3. a kind of cultural method of crop rotation prevention and control banana plant pathogenic nematode disease according to claim 2, it is characterised in that:
Rice varieties are South China early cropping indica rice, middle Xian, evening Xian or late round-grained rice in the step (1).
4. a kind of cultural method of crop rotation prevention and control banana plant pathogenic nematode disease according to claim 3, it is characterised in that:
Rice seedling uses seminal propagation in the step (1), after hardening, and selection is healthy and strong, the field planting of the rice seedling of no disease and pests harm,
The cultivation line-spacing of paddy rice is that 45-55cm, spacing in the rows are 10-15cm, per cave seedling number 4-5 seedlings, every mu of seedling of seedling number 4.5-6.0 ten thousand, according to
Conventional cultivation technology carries out field management.
5. a kind of cultural method of crop rotation prevention and control banana plant pathogenic nematode disease according to claim 1 or 4, its feature
It is:In the step (2) banana crop rotation papaya time be more than 2 batches.
6. a kind of cultural method of crop rotation prevention and control banana plant pathogenic nematode disease according to claim 5, it is characterised in that:
In the step (2) papaya kind be red prince wife, rise day, U.S.-China is red or platform agriculture.
7. a kind of cultural method of crop rotation prevention and control banana plant pathogenic nematode disease according to claim 6, it is characterised in that:
Papaya seedling uses seminal propagation in the step (2), after hardening, and selection is healthy and strong, the papaya seedling of no disease and pests harm is determined
Plant;Papaya planting patterns uses wide-narrow row planting, wide row line-spacing 2.5m, narrow row line-spacing 1.5m, spacing in the rows 1.8m, every mu of 160-
180 plants, field management is carried out according to conventional cultivation technology.
8. a kind of cultural method of crop rotation prevention and control banana plant pathogenic nematode disease according to claim 1, it is characterised in that:
Banana variety is Brazilian any of several broadleaf plants, dwarf banana, emperor any of several broadleaf plants or plantain in the step (3).
9. a kind of cultural method of crop rotation prevention and control banana plant pathogenic nematode disease according to claim 8, it is characterised in that:
The tissue culture seedlings of bananas of no disease and pests harm is selected in the step (3) as planting material, using wide-narrow row planting, wide row line-spacing
3.0m, narrow row line-spacing 1.7m, spacing in the rows 2.0m, every mu 150-170 plants, field management is carried out according to conventional cultivation technology.
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CN103749229A (en) * | 2014-01-15 | 2014-04-30 | 海南大学 | Cultivation mode for combining paddy rice-banana crop rotation with banana fusarium wilt prevention and control by means of adding straw |
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CN103749229A (en) * | 2014-01-15 | 2014-04-30 | 海南大学 | Cultivation mode for combining paddy rice-banana crop rotation with banana fusarium wilt prevention and control by means of adding straw |
CN104584970A (en) * | 2014-12-31 | 2015-05-06 | 广州市农业科学研究院 | Banana variety agricultural science No.1 cultivating method |
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