Summary of the invention
The purpose of this invention is to provide a kind of method that promotes the stem of noble dendrobium test-tube plantlet fast-growing that plant tissue culture is transplanted, solve the test-tube seedling transplanting surviving rate and hang down and a poky difficult problem.
The present invention realizes that the goal of the invention technical scheme is as follows:
A kind of stem of noble dendrobium that promotes is transplanted the nutritive medium of test-tube plantlet fast-growing, and its characteristics are, this nutritive medium contains following component with volume ratio: Knudson C substratum macroelement 70-75%, micro-8-15%; The derosal antiseptic-germicide 15-20% of 200mg/mL tethelin NAA 0.75-1.25%, massfraction 0.6-0.7%.
Described Knudson C substratum macroelement consists of: liquid containing ammonium sulfate 500mg, potassium primary phosphate 250mg, sal epsom 200mg, four water-calcium nitrate 1000mg in the 1L nutritive medium; Described trace element consists of: contain four water manganous sulfate 7.5mg, iron vitriol 25mg in the 1L nutritive medium.
As preferably, the proportioning of described tethelin NAA is 1.0%.
A kind of stem of noble dendrobium that promotes is transplanted the method for test-tube plantlet fast-growing, may further comprise the steps:
(1) through the test-tube plantlet of tissue culture, natural light closes bottle and tempers 2-3 after week before transplanting, and takes out and cleans, and soaks root with stem of noble dendrobium nutritive medium and processes 1-5 hour; This step nutritive medium is 10 times of acquisitions of above-mentioned nutritive medium dilution;
(2) with soaking the test-tube plantlet of root processing in the step (1), transplant to matrix and grow, every day, spray water was 1-2 time, sprayed weekly stem of noble dendrobium nutritive medium 1 time, and the each amount of spraying of described spray water is the 10-15ml/ strain, and the described stem of noble dendrobium nutritive medium at every turn amount of spraying is the 5ml/ strain; This step nutritive medium is 1000 times of acquisitions of above-mentioned nutritive medium dilution.
As preferably, to soak the root treatment time be 2 hours to stem of noble dendrobium nutritive medium in the described step (1); Matrix in the described step (2) is neutral or acid sandstone.
The present invention compared with the prior art, its beneficial effect is embodied in:
(1) contain in the stem of noble dendrobium nutritive medium of the present invention for the required various elements of stem of noble dendrobium test-tube plantlet fast-growing, its balanced nutritive ingredient can not only promote the Fast Growth of dendrobe cultivation seedling, and has improved the quality of dendrobe cultivation seedling.
(2) the present invention uses the nutritive medium of different concns to spray processing to transplanting to soak before test-tube plantlet is transplanted after root is processed and transplanted, soaking root before wherein transplanting processes and can not only provide available nutrient for transplanting test-tube plantlet, and can effectively prevent the disease and pest of test-tube seedling transplanting back root part, improve transplanting survival rate; Repeatedly spray processing after the transplanting, can guarantee on the one hand the stem of noble dendrobium transplanted seedling required nutrient of growing, and can stem, the leaf disease insect pest of stem of noble dendrobium transplanted seedling effectively be prevented and treated.
Embodiment
Below preferred embodiment the present invention is described further by following.
1, stem of noble dendrobium compounding:
Prepare by following volume ratio: Knudson C substratum macroelement 70-75%, micro-8-15%; Its optimum ratio of 200mg/mL tethelin NAA 0.75-1.25%(is 1.0%), derosal antiseptic-germicide 15-20%.Wherein, the wettable powder derosal antiseptic-germicide that the derosal antiseptic-germicide is produced available from Tianjin Baisheng Chemical Co., Ltd., its chemical composition is derosal (N-(2-benzimidazolyl base)-Urethylane); Knudson C nutrient media components is as shown in table 1;
The stem of noble dendrobium nutritive medium that soaks the root processing for transplanting test-tube plantlet bottle outlet is with 10 times of top nutritive medium dilutions, and the stem of noble dendrobium nutritive medium that sprays is with 1000 times of top nutritive medium dilutions.
2, stem of noble dendrobium test-tube seedling transplanting
(1) in Best Times 4, the May of annual stem of noble dendrobium test-tube seedling transplanting, choose the healthy and strong stem of noble dendrobium test-tube plantlet of the high approximately 4-5 ㎝ of stem of tissue culture, tame hardening.First test-tube plantlet is moved to the natural light place and close bottle exercise 2-3 week, carefully take out test-tube plantlet and clean, soak root with stem of noble dendrobium nutritive medium and process 1-5 hour (Best Times 2 hours).
(2) will soak the test-tube plantlet of root processing in the step (1), transplant to neutral or acid sandstone matrix in clump cultivation mode and grow, in the moistening ventilative environment in cool place, every day, spray water was 1-2 time, sprayed weekly stem of noble dendrobium nutritive medium 1 time; The each amount of spraying of spray water is the 10-15ml/ strain, and the stem of noble dendrobium nutritive medium at every turn amount of spraying is the 5ml/ strain.
Embodiment 1:
Choosing Herba Dendrobii test-tube plantlet and dendrobium officinale test-tube plantlet is example, experimental group: soak root with stem of noble dendrobium nutritive medium before transplanting and process, transplant to matrix, every day, spray water was 1-2 time, spray weekly stem of noble dendrobium nutritive medium 1 time, the each amount of spraying of spray water is the 10-15ml/ strain, and the stem of noble dendrobium nutritive medium at every turn amount of spraying is the 5ml/ strain; Control group: soaks root without stem of noble dendrobium nutritive medium before transplanting and process, transplanting only sprays water or spray farm manure to the matrix is contrast.The control group of wherein spraying water is to spray water 1-2 time every day, each 10-15 mL/ strain; Spray the farm manure control group is to spray water 1-2 time every day, and each 10-15 mL/ strain sprays weekly farm manure 1 time, each 5-10mL/ strain, and farm manure mainly mixes just liquid for people, domestic animal.Other cultivation condition of experimental group and control group is identical.The result shown in table 2, table 3, experimental group cultivation seedling, upgrowth situation is good, plant year rate of body weight gain reach more than 90%; And the control group that sprays farm manure is cultivated seedling, because nutritive ingredient is unbalanced, and content of microorganisms is many, easily grows disease and pest, causes mashed root; Only spray the control group cultivation seedling of water, growing way is general, and easily grows disease and pest.
Table 2 nutritional condition is to Herba Dendrobii test-tube seedling transplanting affects on the growth
Annotate: in the above-mentioned table, the rear Plant Leaf look of cultivation is light green, the generous stretching, extension of blade, and cane is sturdy, well developed root system, and what growth potential was strong is to grow in order; The Plant Leaf look green after planting, blade is wider, stretching, extension, and cane is thicker, and what root system was flourishing is that upgrowth situation is general; The Plant Leaf look yellowish green after planting, the blade face is narrow, and cane is thin and delicate, and what growth potential was weak is that upgrowth situation is poor.Identical in the following table.
Table 3 nutritional condition is transplanted affects on the growth to dendrobium officinale test-tube plantlet
Embodiment 2
Choosing the Herba Dendrobii test-tube plantlet is example, and the stem of noble dendrobium test-tube seedling transplanting of experimental group soaks root to be processed 2 hours, does not do before the stem of noble dendrobium test-tube seedling transplanting of control group and soaks the root processing; Transplant to the matrix all so that only water spray is as contrast, spray water 1-2 every day, at every turn 10-15 mL; Other cultivation condition is identical.The plant growth condition that result's stem of noble dendrobium nutritive medium as shown in table 4 soaks the root processing does not more soak the good of root processing; And the plant disease and pest of experimental group obviously is less than the disease and pest of control group, root especially, and the root of experimental group is disease-free.
Table 4 soaks root to be processed Herba Dendrobii test-tube seedling transplanting affects on the growth
Annotate: in the table, upgrowth situation is better, after expression is planted the plant strain growth gesture between above-mentioned good with generally between.Identical in the following table.
Embodiment 3
Choosing the Herba Dendrobii test-tube plantlet is example, experimental group: soak root with stem of noble dendrobium nutritive medium before transplanting and processed 2 hours, transplant to matrix, every day, spray water was 1-2 time, sprayed weekly stem of noble dendrobium nutritive medium 1 time; The each amount of spraying of spray water is the 10-15ml/ strain, and the stem of noble dendrobium nutritive medium at every turn amount of spraying is the 5ml/ strain; Control group: soaks root processing 2 hours with stem of noble dendrobium nutritive medium before transplanting, transplant to matrix, every day is spray water 1-2 time only, and each amount of spraying is the 10-15ml/ strain; Other cultivation condition is identical.The result is as shown in table 5, and the plant growth condition of experimental group is good than the indices of control group.
Table 5 spray nutritive medium is to Herba Dendrobii test-tube seedling transplanting affects on the growth
Embodiment 4
Choosing the Herba Dendrobii test-tube plantlet is example, experimental group: soak root with the stem of noble dendrobium nutritive medium that adds the derosal antiseptic-germicide before transplanting and process, transplant to matrix, every day, spray water was 1-2 time, sprayed weekly the stem of noble dendrobium nutritive medium 1 time of interpolation derosal antiseptic-germicide, and consumption is the same; Control group: soak root with the stem of noble dendrobium nutritive medium that does not add the derosal antiseptic-germicide before transplanting and process, transplant to matrix, every day, spray water was 1-2 time, the stem of noble dendrobium nutritive medium 1 time of spray interpolation derosal antiseptic-germicide weekly, and consumption is the same.The result is as shown in table 6, and the plant growth condition of experimental group is good, and transplanting survival rate is high, and the plant of control group, the due to illness worm harm of root and cauline leaf causes surviving rate lower.
Table 6 derosal antiseptic-germicide is to Herba Dendrobii test-tube seedling transplanting affects on the growth