CN115191309A - Disease and pest resistant tobacco cultivation method - Google Patents
Disease and pest resistant tobacco cultivation method Download PDFInfo
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- CN115191309A CN115191309A CN202210876627.8A CN202210876627A CN115191309A CN 115191309 A CN115191309 A CN 115191309A CN 202210876627 A CN202210876627 A CN 202210876627A CN 115191309 A CN115191309 A CN 115191309A
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- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 73
- 241000208125 Nicotiana Species 0.000 title claims abstract description 71
- 241000607479 Yersinia pestis Species 0.000 title claims abstract description 49
- 201000010099 disease Diseases 0.000 title claims abstract description 42
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 title claims abstract description 42
- 238000012364 cultivation method Methods 0.000 title claims abstract description 9
- 235000011684 Sorghum saccharatum Nutrition 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 241000196324 Embryophyta Species 0.000 claims abstract description 18
- 239000003337 fertilizer Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 17
- 241000238631 Hexapoda Species 0.000 claims abstract description 16
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 239000002689 soil Substances 0.000 claims abstract description 8
- 239000005696 Diammonium phosphate Substances 0.000 claims description 11
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 11
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims description 11
- 235000019838 diammonium phosphate Nutrition 0.000 claims description 11
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 11
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 11
- 235000011151 potassium sulphates Nutrition 0.000 claims description 11
- 230000002265 prevention Effects 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 5
- 230000005200 bud stage Effects 0.000 claims description 5
- 239000004202 carbamide Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000003814 drug Substances 0.000 claims description 5
- 229940079593 drug Drugs 0.000 claims description 5
- 239000003895 organic fertilizer Substances 0.000 claims description 5
- 241000209072 Sorghum Species 0.000 claims 3
- 230000002028 premature Effects 0.000 claims 1
- 240000006394 Sorghum bicolor Species 0.000 abstract description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 239000004562 water dispersible granule Substances 0.000 description 8
- 239000011701 zinc Substances 0.000 description 8
- 229910052725 zinc Inorganic materials 0.000 description 8
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- 230000009286 beneficial effect Effects 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- AMNAZJFEONUVTD-KEWDHRJRSA-N (2s,3s,4s,5r,6r)-6-(4-amino-2-oxopyrimidin-1-yl)-4,5-dihydroxy-3-[[(2s)-3-hydroxy-2-[[2-(methylamino)acetyl]amino]propanoyl]amino]oxane-2-carboxamide Chemical compound O1[C@H](C(N)=O)[C@@H](NC(=O)[C@H](CO)NC(=O)CNC)[C@H](O)[C@@H](O)[C@@H]1N1C(=O)N=C(N)C=C1 AMNAZJFEONUVTD-KEWDHRJRSA-N 0.000 description 4
- 241001124076 Aphididae Species 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 4
- 241000221785 Erysiphales Species 0.000 description 4
- FEACDOXQOYCHKU-UHFFFAOYSA-N Gougerotin Natural products CNCC(=O)NC1=NC(=O)N(C=C1)C2OC(C(O)C(NC(=O)C(N)CO)C2O)C(=O)N FEACDOXQOYCHKU-UHFFFAOYSA-N 0.000 description 4
- 239000005906 Imidacloprid Substances 0.000 description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 4
- 241000589516 Pseudomonas Species 0.000 description 4
- 244000046109 Sorghum vulgare var. nervosum Species 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- VMFXMTJCTSYHCF-HHQUSWFZSA-N [(2r,3r,4s,5r)-5-(hexylamino)-4-hydroxy-2-(hydroxymethyl)-6-[(7-hydroxy-4-oxo-1,3a,5,6,7,7a-hexahydroimidazo[4,5-c]pyridin-2-yl)amino]oxan-3-yl] carbamate Chemical compound CCCCCCN[C@@H]1[C@H](O)[C@@H](OC(N)=O)[C@@H](CO)OC1\N=C\1NC(C(=O)NCC2O)C2N/1 VMFXMTJCTSYHCF-HHQUSWFZSA-N 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- YWTYJOPNNQFBPC-UHFFFAOYSA-N imidacloprid Chemical compound [O-][N+](=O)\N=C1/NCCN1CC1=CC=C(Cl)N=C1 YWTYJOPNNQFBPC-UHFFFAOYSA-N 0.000 description 4
- 229940056881 imidacloprid Drugs 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- FFSJPOPLSWBGQY-UHFFFAOYSA-N triazol-4-one Chemical compound O=C1C=NN=N1 FFSJPOPLSWBGQY-UHFFFAOYSA-N 0.000 description 4
- 239000004563 wettable powder Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 244000061176 Nicotiana tabacum Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000003205 fragrance Substances 0.000 description 2
- SEOVTRFCIGRIMH-UHFFFAOYSA-N indole-3-acetic acid Chemical compound C1=CC=C2C(CC(=O)O)=CNC2=C1 SEOVTRFCIGRIMH-UHFFFAOYSA-N 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000029553 photosynthesis Effects 0.000 description 2
- 238000010672 photosynthesis Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 102000018997 Growth Hormone Human genes 0.000 description 1
- 108010051696 Growth Hormone Proteins 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 239000000122 growth hormone Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 239000003617 indole-3-acetic acid Substances 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009335 monocropping Methods 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000009350 relay intercropping Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
Classifications
-
- 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
- A01G22/45—Tobacco
-
- 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
-
- 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
- A01G13/00—Protecting plants
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Botany (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a tobacco cultivation method for resisting diseases and insect pests, which relates to the technical field of tobacco planting and comprises the following steps: (1) land preparation and ridging: deeply ploughing the soil by 40-50 cm, ridging according to the row spacing of 140-160 cm, wherein the ridge width is 40-50 cm, and the ridge height is 25-30 cm; (2) transplanting: in the middle and last ten days of 4 months, the tobacco seedlings are lifted and transplanted, and the planting distance is 45-50 cm; (3) interplanting sorghum: in the middle ten days of the last month of 5, 1-2 rows of sorghum are intercropped among tobacco ridges; (4) field management: including fertilizer and water management and pest control. The method provided by the invention can be used for remarkably reducing the incidence rate of plant diseases and insect pests and improving the quality of tobacco leaves, and has a popularization value.
Description
Technical Field
The invention relates to the technical field of tobacco planting, in particular to a disease and pest resistant tobacco cultivation method.
Background
Tobacco is one of important economic crops, and is mainly planted in southwest areas such as Yunnan, guizhou, sichuan and Chongqing in China.
However, in the conventional planting method, due to phenomena such as continuous cropping, serious diseases and insect pests are caused, and the quality of tobacco is further affected.
Therefore, the problem to be solved by the technical personnel in the field is to provide a planting mode for tobacco with effective disease and insect resistance.
Disclosure of Invention
In view of the above, the invention provides a method for cultivating tobacco with disease and pest resistance. The method of the invention takes pest control to follow prevention as a main principle and takes targeted treatment as a principle, and adopts a mode of combining biological prevention and control with chemical prevention and control, thereby reducing the occurrence probability of the pest and disease damage of the tobacco and improving the quality of the tobacco.
In order to achieve the purpose, the invention adopts the following technical scheme:
a tobacco pest and disease resistant cultivation method comprises the following steps:
(1) Land preparation and ridging: deeply ploughing the soil by 40-50 cm, ridging according to the row spacing of 140-160 cm, wherein the ridge width is 40-50 cm, and the ridge height is 25-30 cm;
(2) Transplanting: in the middle and last ten days of 4 months, the tobacco seedlings are lifted and transplanted, and the planting distance is 45-50 cm;
(3) Interplanting sorghum: in the middle ten days of the last month of 5, 1-2 rows of sorghum are intercropped among tobacco ridges;
(4) Field management: including fertilizer and water management and pest control.
According to the invention, the tobacco and the sorghum are interplanted, and the growth speed of the sorghum is faster than that of the tobacco, so that the biological barrier effect is achieved in the aspect of preventing and controlling the diseases and the insect pests of the tobacco, and the spreading probability of the diseases and the insect pests is reduced; the growth of tobacco is mainly in transplanting the seedling stage that returns to the demand of nitrogen, the later stage is rationally controlled the nitrogen, be favorable to the promotion of tobacco fragrance, and the root system of chinese sorghum has the fixed nitrogen effect, be favorable to the accuse nitrogen of tobacco to the demand of nitrogen, and then play the effect that promotes the tobacco quality, application chinese sorghum root system intergrowth fixed nitrogen effect and chinese sorghum bud sheath basal portion contain abundant growth hormone material, reduce tobacco field fertilizer loss, especially the internal a large amount of indoleacetic acid that contain of chinese sorghum plant do benefit to and promote the stock growth, improve tobacco stress resistance and reduce the plant diseases and insect pests and take place. The method has the advantages that the wide-ridge relay intercropping ensures the requirements of the tobacco and the sorghum on light, effectively reduces the occurrence probability of plant diseases and insect pests, improves the tobacco quality, and has practical popularization significance.
Preferably, 500-800 kg of decomposed farmyard organic fertilizer, 15-20 kg of urea, 5-8 kg of diammonium phosphate and 30-35 kg of potassium sulfate are applied per mu during land preparation and ridging in the step (1).
The beneficial effect of the technical scheme is that a proper amount of fertilizer with reasonable proportion is provided according to the requirement of tobacco growth on nutrition.
Preferably, the soil in the step (1) is red loam or yellow loam.
The technical scheme has the beneficial effects that the pH value and the nutritional structure of the red loam or yellow loam are more suitable for the growth of the tobacco, and the resistance to plant diseases and insect pests is directly influenced by the growth condition of the tobacco.
Preferably, the depth of transplanting in the step (2) is 5-8 cm.
Preferably, the sorghum in step (3) is an early maturing variety.
The technical scheme has the beneficial effects that the tobacco quality is related to the photosynthesis of the leaves, the sorghum of the early-maturing variety has a short growth period (about 80 days in the growth period), a larger growth space is provided for the tobacco after the sorghum is matured and harvested, the photosynthesis is more sufficient, and the tobacco quality is higher.
Preferably, the fertilizer and water management in the step (4) is to perform topdressing with water in the bud stage of the tobacco, and 3-5 kg of diammonium phosphate and 5-10 kg of potassium sulfate are applied per mu.
The technical scheme has the beneficial effects that the water supply in the primary period is controlled, only the current bud period with the largest water demand is irrigated, and the water control is carried out in other growth periods, so that volatile oil substances and lipid substances in the tobacco are improved, and the fragrance of the tobacco is increased.
Preferably, the pest control in the step (4) is based on prevention, and common tobacco diseases and pests are controlled according to a targeted control principle.
More preferably, the common diseases and insect pests of the tobacco are controlled, and after the diseases or the insect pests are found, the diseased leaves or the diseased plants are removed in time and are treated by combining chemical medicines;
for example:
mosaic disease: the high-zinc foliar fertilizer contains 0.25 percent of zinc, 0.1 percent of ferrum, 0.1 percent of manganese and 0.1 percent of boron; 8% ningnanmycin aqua;
powdery mildew: 20% of triazolone missible oil and 50% of sulfur water dispersible granules;
bacterial wilt: 3% zhongshengmycin wettable powder; 3000 hundred million/gram of fluorescent pseudomonas soluble powder;
aphids: 70% imidacloprid water dispersible granule
More preferably, the step (4) further comprises timely cleaning weeds in the field and around.
The technical scheme has the beneficial effects that the field weeds are often inhabited places of tobacco pests, the field weeds and peripheral weeds are cleaned in time, and the occurrence probability of the pests can be effectively reduced.
The invention has the beneficial effects that: the incidence of plant diseases and insect pests is obviously reduced, and the quality of the tobacco leaves is improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, 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 embodiment of the invention discloses a method for cultivating tobacco with disease and insect resistance, wherein the used raw materials are all available on the market, the sources of the raw materials are not specifically limited, and the related methods are all conventional methods if no special mention is made, and are not repeated.
Example 1
A tobacco pest and disease resistant cultivation method comprises the following steps:
(1) Land preparation and ridging:
600kg of decomposed farmyard organic fertilizer, 18kg of urea, 7kg of diammonium phosphate and 33kg of potassium sulfate are applied per mu. Deeply ploughing the soil by 40-50 cm, ridging according to the row spacing of 150cm, wherein the ridge width is 40-50 cm, and the ridge height is 25-30 cm.
(2) Transplanting: in the middle and last ten days of 4 months, lifting and transplanting the tobacco seedlings, wherein the transplanting depth is 5-8 cm, and the planting distance is controlled to be 45-50 cm;
(3) Interplanting sorghum: in the middle ten days of the last month of 5, interplanting 2 lines of early-maturing sorghum among tobacco ridges;
(4) Field management: including fertilizer and water management and pest control.
(1) The fertilizer and water management is to carry out topdressing along with water in the bud stage of the tobacco, and 4kg of diammonium phosphate and 8kg of potassium sulfate are applied per mu.
(2) The pest control follows prevention as a main principle, common diseases and pests of tobacco are controlled according to a targeted control principle, and after the diseases or the pests are found, diseased leaves or diseased plants are removed in time and are treated by combining chemical medicines; when mosaic disease occurs, high-zinc foliar fertilizer containing 0.25% of zinc, 0.1% of iron, 0.1% of manganese and 0.1% of boron can be sprayed; 8% ningnanmycin aqua; when powdery mildew occurs, 20 percent of triazolone missible oil and 50 percent of sulfur water dispersible granules can be sprayed; when bacterial wilt occurs, 3 percent of zhongshengmycin wettable powder; 3000 hundred million/gram of fluorescent pseudomonas soluble powder; when aphids appear, 70% imidacloprid water dispersible granules are sprayed.
(3) Timely cleaning weeds in the field and around.
Example 2
A tobacco cultivation method for resisting diseases and insect pests comprises the following steps:
(1) Land preparation and ridging:
500 kg of decomposed farmyard organic fertilizer, 15kg of urea, 5kg of diammonium phosphate and 30kg of potassium sulfate are applied per mu. Deeply ploughing the soil by 40-50 cm, ridging according to the row spacing of 140cm, wherein the ridge width is 40-50 cm, and the ridge height is 25-30 cm.
(2) Transplanting: in the middle and last ten days of 4 months, lifting and transplanting the tobacco seedlings, wherein the transplanting depth is 5-8 cm, and the planting distance is controlled to be 45-50 cm;
(3) Interplanting sorghum: in the middle ten days of the last month of 5, 1 line of early-maturing sorghum is intercropped between tobacco ridges;
(4) Field management: including fertilizer and water management and pest control.
(1) The fertilizer and water management is to apply additional fertilizer along with water in the bud stage of the tobacco, and 3kg of diammonium phosphate and 5kg of potassium sulfate are applied per mu.
(2) The pest control follows prevention as a main principle, common diseases and pests of tobacco are controlled according to a targeted control principle, and after the diseases or the pests are found, diseased leaves or diseased plants are removed in time and are treated by combining chemical medicines; when mosaic disease occurs, high-zinc foliar fertilizer containing 0.25% of zinc, 0.1% of iron, 0.1% of manganese and 0.1% of boron can be sprayed; 8% ningnanmycin aqua; when powdery mildew occurs, 20 percent of triazolone missible oil and 50 percent of sulfur water dispersible granules can be sprayed; when bacterial wilt occurs, spraying 3% zhongshengmycin wettable powder; 3000 hundred million/gram of fluorescent pseudomonas soluble powder; when aphids appear, 70% imidacloprid water dispersible granules are sprayed.
(3) Timely cleaning weeds in the field and around.
Example 3
A tobacco pest and disease resistant cultivation method comprises the following steps:
(1) Land preparation and ridging:
800kg of decomposed farmyard organic fertilizer, 20kg of urea, 8kg of diammonium phosphate and 35kg of potassium sulfate are applied per mu. Deeply turning the soil by 40-50 cm, ridging according to the line spacing of 160cm, wherein the ridge width is 40-50 cm, and the ridge height is 25-30 cm.
(2) Transplanting: in the middle and late ten days of 4 months, lifting and transplanting tobacco seedlings, wherein the transplanting depth is 5-8 cm, and the planting distance is controlled to be 45-50 cm;
(3) Interplanting sorghum: in the middle ten days of the last month of 5, interplanting 2 lines of early-maturing sorghum among tobacco ridges;
(4) Field management: including fertilizer and water management and pest control.
(1) The fertilizer and water management is to carry out topdressing with water in the bud stage of the tobacco, and 5kg of diammonium phosphate and 10kg of potassium sulfate are applied per mu.
(2) The pest control follows prevention as a main principle, common diseases and pests of tobacco are controlled according to a targeted control principle, and after the diseases or the pests are found, diseased leaves or diseased plants are removed in time and are treated by combining chemical medicines; when mosaic disease occurs, high-zinc foliar fertilizer containing 0.25% of zinc, 0.1% of iron, 0.1% of manganese and 0.1% of boron can be sprayed; 8% ningnanmycin aqua; when powdery mildew occurs, 20 percent of triazolone missible oil and 50 percent of sulfur water dispersible granules can be sprayed; when bacterial wilt occurs, spraying 3% zhongshengmycin wettable powder; 3000 hundred million/gram of fluorescent pseudomonas soluble powder; when aphids appear, 70% imidacloprid water dispersible granules are sprayed.
(3) Timely cleaning weeds in the field and around.
Comparative example 1
The procedure of example 1 was otherwise the same as that of example 1, except that sorghum was not interplanted.
Comparative example 2
Two times of irrigation are added in the tobacco growing period and the harvesting period, 4 kg/mu of diammonium phosphate and 8 kg/mu of potassium sulfate are fertilized with water, and the other operations are the same as example 1.
Comparative example 3
The procedure of example 1 was otherwise the same as that of tobacco interplanting with corn.
Comparative example 4
The tobacco was interplanted with soybean, and the other operations were the same as in example 1.
Effect example 1
And (4) after the tobacco leaves of each test group and the control group are harvested, counting the disease and pest incidence probability and the tobacco leaf quality of each group. The disease and insect pest incidence of the test group is obviously lower than that of the control group, and the quality of the tobacco leaves is greatly improved.
TABLE 1
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
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 tobacco disease and insect resistant cultivation method is characterized by comprising the following steps:
(1) Land preparation and ridging: deeply ploughing the soil by 40-50 cm, ridging according to the row spacing of 140-160 cm, wherein the ridge width is 40-50 cm, and the ridge height is 25-30 cm;
(2) Transplanting: in the middle and last ten days of 4 months, the tobacco seedlings are lifted and transplanted, and the planting distance is 45-50 cm;
(3) Interplanting sorghum: in the middle ten days of the last month of 5, 1-2 rows of sorghum are intercropped among tobacco ridges;
(4) Field management: including fertilizer and water management and pest control.
2. The method for cultivating tobacco with disease and pest resistance according to claim 1, wherein 500-800 kg of decomposed farmyard organic fertilizer, 15-20 kg of urea, 5-8 kg of diammonium phosphate and 30-35 kg of potassium sulfate are applied to each mu during land preparation and ridging in step (1).
3. The method as claimed in claim 1, wherein the soil in step (1) is selected from red loam and yellow loam.
4. The method as claimed in claim 1, wherein the depth of transplanting in step (2) is 5-8 cm.
5. The method for cultivating tobacco with disease and pest resistance according to claim 1, wherein the sorghum in step (3) is a premature variety.
6. The method as claimed in claim 1, wherein the fertilizer and water management in step (4) is implemented by applying 3-5 kg of diammonium phosphate and 5-10 kg of potassium sulfate per mu in the bud stage of tobacco.
7. The method for cultivating tobacco with disease and pest resistance according to claim 1, wherein the pest control in step (4) is mainly carried out according to prevention, and common diseases and pests of tobacco are controlled according to a targeted control principle.
8. The method as claimed in claim 7, wherein the disease and pest resistance of tobacco are controlled, and when the disease or pest resistance is found, the diseased leaves or plants are removed in time and treated with chemical drugs.
9. The method as claimed in claim 7, wherein the step (4) further comprises cleaning weeds in the field and around the field.
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| CN202210876627.8A CN115191309A (en) | 2022-07-25 | 2022-07-25 | Disease and pest resistant tobacco cultivation method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102138447A (en) * | 2011-02-25 | 2011-08-03 | 河南省农业科学院 | Seedling culture method by using interaction of two plant seedlings |
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