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Pyrethrum cinerariifolium Trev

white flower pyrethrum seed

dalmatian pyrethrum seed

chrysanthemum cinesariaefolium seed

Pyrethrum cinerariifolium Trev. 

Introduction of Pyrethrum cinerariifolium Trev. :

Stems erect, solitary or a few stems clustered, 

unbranched or branched from base, silvery gray. Ligulate flowers white. 

Achenes are 2.5 -- 3.5 mm long, with about 5 -- 7 elliptic longitudinal ribs. 

The ribs of the lingual flower achene are often concentrated on the ventral surface of the achene. 

Coronal corolla 0.8-1.5 mm long, margin shallowly lobed. 

Fruits and flowers May - August.

How to plant Pyrethrum cinerariifolium Trev. ?

(1) Land selection and land preparation 

Select dry, airy, and slightly alkaline soil with loose soil for ploughing, 

ploughing 0.33m deep to make 1-1.33m wide bed. 

Apply 50-70kg compound fertilizer per mu as base fertilizer, and rake it evenly to be sown.

(2) Raising seedlings 

1 week before seeding, soak the seeds in water for 5-6h, 

take them out after the seeds absorb water and expand, 

mix them with 50 times wet burnt plaster, 

spread the indoor mud to promote germination for 5-6d, 

about 20% of the seeds sprout and add appropriate amount of fine soil to mix and sow, 

sow 1 layer of plaster, lightly press with wooden boards for 1 times, 

covered with straw, often sprinkle water, keep moist;

(3) Transplanting 

When the seedling height is 6.6-10cm, it can be transplanted. 

At the time of transplantation, 

holes are opened according to the plant row spacing of 3.3-5mm, 

and calcium phosphate and coke mud or grass and wood ash are applied, 

1 plant in each hole, and covered with thin soil;

(4) fertilization 

Fertilize once 10d after transplanting, 

fertilize again once every half a month, 

each time apply 1t per mu, 

fertilizer is calcium phosphate,

calcium magnesium phosphate fertilizer, 

mud fertilizer or soil fertilizer;

(5) Pest control

Pyrethrum does not have insect infestation, 

but high temperature, high humidity or excessive fertilization can cause rust leaf disease and nucleomycosis, 

which can be sterilized by 50% tobuzine powder or lime powder.

For more information, contact us directly :

admin@high-key.cn

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