CN104838908A - Method for inhibiting growth and development of tomato lateral branches - Google Patents

Method for inhibiting growth and development of tomato lateral branches Download PDF

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Publication number
CN104838908A
CN104838908A CN201510214785.7A CN201510214785A CN104838908A CN 104838908 A CN104838908 A CN 104838908A CN 201510214785 A CN201510214785 A CN 201510214785A CN 104838908 A CN104838908 A CN 104838908A
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tomato
concentration
growth
plant
oll
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CN104838908B (en
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高洪波
吴晓蕾
李敬蕊
章铁军
张芹
王晶
梁杨杨
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Hebei Agricultural University
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Hebei Agricultural University
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Abstract

The invention discloses a method for inhibiting growth and development of tomato lateral branches. The method comprises the steps of performing exogenous coating treatment on tomato plants by use of a strigolactone solution having the concentration of 7.5-10.0Mumol.L-1, or performing exogenous injection treatment on the tomato plants by use of a strigolactone solution having the concentration of 2.5-5.0Mumol.L-1, or soaking the root system of the tomato seedlings into a strigolactone solution having the concentration of 10-20Mumol.L-1 for 20-24 hours 1-2 days before seedling field planting. The exogenous coating treatment and the exogenous injection treatment both are performed on the axils of the main steam branch parts of the tomato, and the dosage is 10MuL. The method is capable of remarkably inhibiting the growth and development of the tomato lateral branches, reducing the labor consumption and the propagation of plant diseases and insect pests, promoting the growth of plants and improving the yield and the quality, has the characteristics of simple operations and no pollution, and is suitable for cultivating open field tomatoes and facility tomatoes.

Description

A kind of method suppressing tomato collateral generation to be grown
Technical field
The present invention relates to a kind of method of regulating growth of plants, particularly a kind of method suppressing tomato collateral generation to be grown by plant hormone, belongs to technical field of vegetable cultivation.
Background technology
Tomato, also referred to as tomato, tomato, originates in the tropical highlands of the Peru and Ecuador in western part, America.In recent years, along with the rapid expansion of China's facilities vegetable area, tomato cultivation area constantly increases, and has become one of main cultivation vegetable variety of China, increases played important effect to promotion increasing peasant income and social economy.Tomato plant strain growth gesture is strong, and each lateral bud can be sprouted formation side shoot, yield positive results.Particularly after plant pinching, because the transfer at nutrition center can sprout more side shoot usually; The sprouting of side shoot and growth can consume a large amount of nutriments, and due to branches and leaves overstocked, ventilation and penetrating light be deteriorated, damage by disease and insect increases the weight of, and causes tomato yield to reduce.Research shows, can plant lateral meristem form axillalry bud and grow formation branch further and be subject to plant hormone, environment and genic regulation and control, and wherein plant hormone plays key effect in regulating plant branch growth course.In recent years, by to a series of multi-branched mutant, comprise the research of the mutant such as pea, arabidopsis, petunia, paddy rice, demonstrate witchweed lactone and can regulate and control collateral development as the plant hormone that a class is new, in plant corpus, solely the amount of angle gold lactone reduces, branch increases, and external only angle gold lactone of using then can change the mutant phenotype of plant.
In tomato cultivation process of growth, in order to control the growth of tomato side shoot, vegetable grower needs regularly to carry out operation adjustment plant strain growths such as pruning, prune, and the operation of these farming consumes a large amount of manpowers and time, and labour intensity is large, and production cost is high.For this reason, find a kind of method being regulated and controled and change tomato collateral generation by exogenous hormone and grow, change plant strain growth habit, for reduction damage by disease and insect, reduce labor intensity, improve output, improve effects has realistic meaning.
Summary of the invention
The object of this invention is to provide a kind of method suppressing tomato collateral generation to be grown, adopt the external source of witchweed lactone solution to smear, the modes such as external source injection or root system process process tomato plant, better suppress tomato collateral generation developmental capacity to obtain.
The technical scheme that the present invention takes is such:
Suppressing the method that tomato collateral generation is grown, is 7.5 ~ 10.0 μm of olL by concentration -1witchweed lactone solution external source carried out to tomato plant smear process;
Or be 2.5 ~ 5.0 μm of olL by concentration -1witchweed lactone solution external source injection treatment is carried out to tomato plant;
Or be 10.0 ~ 20.0 μm of olL by concentration -1witchweed lactone solution tomato seedling root system is processed.
In the method for the invention, for obtaining the effect better suppressing tomato collateral generation to be grown, it is adopt at the axil place at tomato plant stem branch position to smear and inject witchweed lactone solution that external source is smeared with external source injecting method, and consumption is 10 μ L/ strains.
In the method for the invention, be before field planting 1 ~ 2 day to the process of tomato seedling root system, adopt witchweed lactone solution root immersion 20 ~ 24 hours.
Test confirms, by carrying out the process of aforesaid way to tomato plant or seedling, can find that growing of tomato side shoot is significantly inhibited, be conducive to tomato late growing stage.
Method of the present invention is applicable to the cultivation of open country tomato and greenhouse tomato.
The invention has the beneficial effects as follows: the present invention has following advantage compared with existing artificial plant method of adjustment: the growth 1, reducing side shoot, save and tomato plant is pruned the required a large amount of labours that prune, and decrease the propagation of damage by disease and insect; 2, tomato plant collateral development is suppressed, and decreases the loss of nutrient, is conducive to the raising of plant strain growth and yield and quality; 3, compare relative to other conditioning agents, witchweed lactone is as a kind of hormone, and to human body without any harm, and after process crop, cultivating soil, matrix do not exist residual; 4, processing method is easy, is easy to operation.
Embodiment
Below by way of instantiation, the present invention will be described further, but do not limit the scope of the invention.
Embodiment 1 smears the effect test that witchweed lactone suppresses tomato collateral generation to be grown
1, test material, experimental scheme
Test material is tomato ' in assorted No. 9 ' (seed is provided by Vegetable & Flower Inst., Chinese Academy of Agriculture Science), and witchweed lactone used is the Prof. Du Yucang analog GR24(purity 99.9% purchased from industrial Science and Technology Ltd. of Beijing Qun Dynasty).
Tomato seedling is colonizated in greenhouse by solar heat, manages according to a conventional method.When plant grows to 80 ~ 90cm, choose the strain of growing way consistent plant 30 and (be divided into 3 groups, often organize 10 strains), at the axil place at tomato stem branch position, (mark is first segment position herein, and up increase progressively successively) smear witchweed lactone (GR24) solution, process as follows: (1) with the plant of normal growth for contrast (CK); (2) 7.5 μm of olL are smeared -1gR24; (3) 10 μm of olL are smeared -1gR24.GR24 consumption is 10 μ L/ strains.Process after 25 days, measure the length of plant process joint position and above joint position side shoot.
2, test results and analysis
As can be seen from Table 1, compared with control treatment, smear 7.5 μm of olL at tomato stem branch position -1after GR24, the lateral bud of tomato first segment position has no sprouting, and the growth of second section position, Section of three position side shoot is significantly inhibited, and side shoot length is respectively than contrast shortening 55.1% and 52.1%; It is 10 μm of olL that GR24 smears concentration -1time, its inhibitory action is than 7.5 μm of olL -1more remarkable, first segment position and second section position are showed no sprouting of lateral bud, and Section of three position collateral generation is subject to extremely significantly suppressing, and length is only 3.0% of contrast.
The impact of witchweed lactone on tomato collateral generation smeared by table 1
Table in different lowercase (a, b, c) represent process between the significance of difference, p<0.05.
Embodiment 2 injects the effect that witchweed lactone suppresses tomato collateral generation to be grown
1, test material, experimental scheme
Test material be tomato ' like lucky 112 ' (seed is provided by Jiangsu Lv Gang modern agricultural development limited company), witchweed lactone used is the Prof. Du Yucang analog GR24(purity 99.9% purchased from industrial Science and Technology Ltd. of Beijing Qun Dynasty).
Tomato seedling is colonizated in greenhouse by solar heat, manages according to a conventional method.When plant grows to 80-90cm, choose the strain of growing way consistent plant 30 and (be divided into 3 groups, often organize 10 strains), at the axil place at tomato stem branch position, (mark is first segment position herein, and up increase progressively successively) injection witchweed lactone (GR24) solution, process as follows: (1) with the plant of normal growth for contrasting (CK); (2) 2.5 μm of olL are injected -1gR24; (3) 5 μm of olL are injected -1gR24.Injection GR consumption is 10 μ L/ strains.Process after 25 days, measure the length of plant process joint position and above joint position side shoot.
2, test results and analysis
As can be seen from Table 2, compared with control treatment, be 2.5 μm of olL at tomato stem branch position injection concentration -1gR24 process, the lateral bud of tomato first segment position has no sprouting, and the growth of second section position, Section of three position side shoot is significantly inhibited, and side shoot length respectively than contrast shortening 35.1% and 24.5%; Injection concentration is 5 μm of olL -1gR24 time, its inhibitory action is more obvious, and the length of Section three position side shoot is than contrasting shortening 78.9%.
the impact that witchweed lactone is grown tomato collateral generation injected by table 2
Table in different lowercase (a, b, c) represent process between the significance of difference, p<0.05.
The process of embodiment 3 witchweed lactone root immersion suppresses the effect of tomato collateral generation
1, test material, experimental scheme
Test material is tomato ' sherry ' (seed is provided by this prosperous (China) seed Co., Ltd of Rake), and witchweed lactone used is the Prof. Du Yucang analog GR24(purity 99.9% purchased from industrial Science and Technology Ltd. of Beijing Qun Dynasty).
Adopt point disk seedling growing method to carry out tomato seedling cultivation, treat that seedling grows 4-5 sheet true leaf and can carry out field planting transplanting.1-2 days before field planting, chooses the seedling (be divided into 4 groups, often organize 10) of 40 strain growing way neat and consistent, after cleaning root, is 10 μm of olL respectively by concentration with clear water -1, 20 μm of olL -1witchweed lactone (GR24) solution root immersion, soak time is 24h.With distilled water process in contrast (CK).Transplant after 60 days, the length of measurement first segment position and above each joint position side shoot.
2, test results and analysis
As can be seen from Table 3, along with the raising of GR24 concentration, more obvious to the inhibition of tomato collateral generation: 10 μm of olL -1gR24 process, first segment position and second section position side shoot have no sprouting, and Section of three position is significantly inhibited to Section of six position side shoot length, respectively than contrast shortening 78.2%, 85.3%, 65.9%, 93.9%; 20 μm of olL -1gR24 process, first segment position has no sprouting to Section of four position side shoot, and Section of five position and Section of six position side shoot length are significantly inhibited, respectively than contrast shortening 95.1% and 97.2%.
The impact that table 3 witchweed lactone solution process root system is grown tomato collateral generation
Table in different lowercase (a, b, c) represent process between the significance of difference, p<0.05.
It is noted that above-described embodiment is only for explaining the present invention, do not form limiting the scope of the present invention.Although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the art still can modify to the present invention or replace on an equal basis, and not departing from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of right of the present invention.

Claims (3)

1. the method suppressing tomato collateral generation to be grown, is characterized in that: be 7.5 ~ 10.0 μm of olL by concentration -1witchweed lactone solution external source carried out to tomato plant smear process; Or be 2.5 ~ 5.0 μm of olL by concentration -1witchweed lactone solution external source injection treatment is carried out to tomato plant; Or be 10.0 ~ 20.0 μm of olL by concentration -1witchweed lactone solution tomato seedling root system is processed.
2. method according to claim 1, is characterized in that: it is adopt at the axil place at tomato plant stem branch position to smear and inject witchweed lactone solution that external source is smeared with external source injection treatment, and consumption is 10 μ L/ strains.
3. method according to claim 1, is characterized in that: carrying out process to tomato seedling root system is before Seeding planting 1 ~ 2 day, adopts witchweed lactone solution root immersion 20 ~ 24 hours.
CN201510214785.7A 2015-04-30 2015-04-30 A kind of method for suppressing the development of tomato collateral generation Expired - Fee Related CN104838908B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107211853A (en) * 2017-05-26 2017-09-29 中国农业科学院油料作物研究所 A kind of method for studying the golden lactone regulation and control rape root growth in only angle
CN112005834A (en) * 2020-07-06 2020-12-01 佛山科学技术学院 Method for promoting growth of peas and increasing yield of peas
CN116491328A (en) * 2023-05-29 2023-07-28 华南农业大学 Method for inhibiting axillary bud of glutinous rice cake litchi from light extraction and application
CN116897961A (en) * 2023-07-20 2023-10-20 仲恺农业工程学院 Plant branching regulator and application thereof

Citations (1)

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CN104349675A (en) * 2012-05-24 2015-02-11 先正达参股股份有限公司 Plant growth regulating compounds

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CN104349675A (en) * 2012-05-24 2015-02-11 先正达参股股份有限公司 Plant growth regulating compounds

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107211853A (en) * 2017-05-26 2017-09-29 中国农业科学院油料作物研究所 A kind of method for studying the golden lactone regulation and control rape root growth in only angle
CN107211853B (en) * 2017-05-26 2019-11-15 中国农业科学院油料作物研究所 A method of research witchweed lactone regulation rape root growth
CN112005834A (en) * 2020-07-06 2020-12-01 佛山科学技术学院 Method for promoting growth of peas and increasing yield of peas
CN116491328A (en) * 2023-05-29 2023-07-28 华南农业大学 Method for inhibiting axillary bud of glutinous rice cake litchi from light extraction and application
CN116897961A (en) * 2023-07-20 2023-10-20 仲恺农业工程学院 Plant branching regulator and application thereof
CN116897961B (en) * 2023-07-20 2024-03-22 仲恺农业工程学院 Plant branching regulator and application thereof

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