A kind of bacillus Bam22 and its application method improving rye grass resistance and growth
Technical field
The present invention relates to the research fields of rye grass resistance, and in particular to a kind of gemma for improving rye grass resistance and growth
Bacillus Bam22 and its application method.
Background technique
Rye grass, grass family, Lolium plant, about 10 kinds, forage grass and grassland standing grain including Eurasia Temperate Region in China
Careless and some poisonous weeds.Rye grass is important tame forage grass and green manure crop.For this category there are about 10 kinds, China has 7 kinds.Wherein
English ryegrass and Itanlian rye are the tame forage grasses with economic value.Existing New Zealand, Australia, the U.S. and Britain
Cultivation is used as the forage grass of cattle and sheep extensively.The good forage of the universal introducing and planting in various regions.It is born in Meadow Pasture, roadside wetland is common.
It is distributed widely in Kashmir region, Pakistan, Europe, Asia warm temperate zone, Africa the north.About 0.3~1 meter of rye natural plant height,
Leaf is tough and tensile, bottle green.Small spike length is on "the" shape floral axis.English ryegrass and Italian ryegrass rudiment are early, are pasture
With the important component in the received grass-seed in meadow.Lolium temulentum often infects for poisonous, and seed also contains narcoticness toxic component, and two
Person is extremely dangerous for grassland animal.Rye grass is grass family Lolium, grows in great numbers, the tender succulence of herbaceous stem in spring, autumn,
Palatability is good, is the good feed of ox, sheep, rabbit, pig, chicken, goose, fish.It is May October to next year for the careless phase, summer cannot grow.It is black
Wheat straw is grass family Secale Perennual herbaceous plant.
Rye grass low output, it is more to be endangered by pest and disease damage, mainly there are cutworm and Scarabaeiform Qi etc. to endanger herbage after emergence, existing one
As using metrifonate, hundred trees etc. related drugs prevented and treated by spraying before darkness, the Major Diseases in growth period such as gray mold and rust
Deng also use chemical agent prevented and treated, but chemicals prevention and treatment on the one hand it is palliative, cannot fundamentally solve disease
Problem, and will lead to eating by mistake for nomadic livestock, on the other hand it is unfavorable for ecological, environmental protective.
Summary of the invention
There is good protection effect technical problem to be solved by the invention is to provide a kind of pair of rye grass disease and can be significant
Increase the method for its yield.
The present invention provide it is a kind of raising rye grass resistance and growth bacillus Bam22, the bacillus Bam22 in
It is preserved in China Committee for Culture Collection of Microorganisms's common micro-organisms center on September 6th, 2015, deposit number is
CGMCCNo.11329。
The present inventor is the study found that bacillus amyloliquefaciens Bam22 can not only promote the growth of rye grass plant, Er Qieneng
Promote the Absorption of improvement plant, the adverse circumstances side of body such as enhancing rye grass plant pair arid, salt marsh, heavy metallic poison and phytotoxicity
Urgent resistance, because its with it is vigorous take root, the characteristics such as tillering ability and metabolite abundant, to enhance rye grass resistance
With its yield of raising.
The present invention also provides the application methods of a kind of raising rye grass resistance and the bacillus Bam22 of growth, including such as
Lower step:
1) bacterium solution of the bacillus Bam22 of culture 48h is taken, the dense initial bacterium of bacterium solution is 4-6 × 109Cfu/mL, use are sterile
Water dilutes 100-120 times;
2) root irrigation is carried out to rye grass using bacterium solution obtained by step 1) after rye grass emergence, bacterium solution dosage is 50-
60mL/ plants, filling in the 6-8 days for the first time, fills second for the 13-15 days after emergence.
Beneficial effects of the present invention:
1. improving rye grass to the resistance of disease, especially gray mold and rust;
2. significantly improving the yield of rye grass by the early stage tiller number for increasing rye grass;
3. the present invention uses pure natural method, chemical agent is not used, it is simple and practical, it is environmentally protective.
Specific embodiment
The present invention is specifically described below by embodiment, it is necessary to which indicated herein is that following embodiment is only used
It is further detailed in the present invention, should not be understood as limiting the scope of the invention, which is skilled in technique
Some nonessential modifications and adaptations that personnel are made according to foregoing invention content, still fall within protection scope of the present invention.
Embodiment 1
A kind of application method for the bacillus Bam22 improving rye grass resistance and growth, includes the following steps:
1) bacterium solution of the bacillus Bam22 of culture 48h is taken, the dense initial bacterium of bacterium solution is 4 × 109Cfu/mL uses sterile water
100 times of dilution;
2) root irrigation is carried out to rye grass seedling using bacterium solution obtained by step 1) after rye grass emergence, bacterium solution dosage is
50mL/ plants, filling in the 7th day for the first time, fills second on the 14th day after emergence.
The deposit number of the bacillus Bam22 are as follows: CGMCCNO.11329.
Embodiment 2
A kind of application method for the bacillus Bam22 improving rye grass resistance and growth, includes the following steps:
1) bacterium solution of the bacillus Bam22 of culture 48h is taken, the dense initial bacterium of bacterium solution is 5 × 109Cfu/mL uses sterile water
100 times of dilution;
2) root irrigation is carried out to rye grass seedling using bacterium solution obtained by step 1) after rye grass emergence, bacterium solution dosage is
75mL/ plants, filling in the 6th day for the first time, fills second on the 13rd day after emergence.
The deposit number of the bacillus Bam22 are as follows: CGMCCNO.11329.
Embodiment 3
A kind of application method for the bacillus Bam22 improving rye grass resistance and growth, includes the following steps:
1) bacterium solution of the bacillus Bam22 of culture 48h is taken, the dense initial bacterium of bacterium solution is 6 × 109Cfu/mL uses sterile water
100 times of dilution;
2) root irrigation is carried out to rye grass seedling using bacterium solution obtained by step 1) after rye grass emergence, bacterium solution dosage is
100mL/ plants, filling in the 8th day for the first time, fills second on the 15th day after emergence.
The deposit number of the bacillus Bam22 are as follows: CGMCCNO.11329.
Embodiment 4
A kind of application method for the bacillus Bam22 improving rye grass resistance and growth, includes the following steps:
1) bacterium solution of the bacillus Bam22 of culture 48h is taken, the dense initial bacterium of bacterium solution is 5 × 109Cfu/mL uses sterile water
120 times of dilution;
2) root irrigation is carried out to rye grass seedling using bacterium solution obtained by step 1) after rye grass emergence, bacterium solution dosage is
50mL/ plants, filling in the 8th day for the first time, fills second on the 13rd day after emergence.
The deposit number of the bacillus Bam22 are as follows: CGMCCNO.11329.
Embodiment 5
A kind of application method for the bacillus Bam22 improving rye grass resistance and growth, includes the following steps:
1) bacterium solution of the bacillus Bam22 of culture 48h is taken, the dense initial bacterium of bacterium solution is 5 × 109Cfu/mL uses sterile water
120 times of dilution;
2) root irrigation is carried out to rye grass seedling using bacterium solution obtained by step 1) after rye grass emergence, bacterium solution dosage is
100mL/ plants, filling in the 6th day for the first time, fills second on the 15th day after emergence.
The deposit number of the bacillus Bam22 are as follows: CGMCCNO.11329.
After rye grass is mature, the gray mold to the rye grass poured in embodiment 1-5 through bacillus Bam22 respectively
It is counted with rust disease incidence, the rye grass per mu yield for cradling 4 times;To be poured using clear water (without bacillus Bam22
Processing) rye grass as control (control group), statistical result is as shown in table 1:
(table 1)
As it can be seen from table 1 the rye grass poured using bacillus amyloliquefaciens Bam22 bacterium solution, gray mold morbidity
Slip is up to 69%, and rust falls ill slip up to 53.8%, and mu increases production up to 14.8%.
In addition, after planting 25 days count, the average division number of control group rye grass is 1.2, point of processing group rye grass
Tiller number is 3.1-3.6, shows that bacillus amyloliquefaciens Bam22 bacterium can dramatically increase the early stage tiller number of rye grass.