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Artificial pollination method of cremastra appendiculata

A technology of artificial pollination and rhododendron orchids, applied in the direction of botany equipment and methods, applications, plant gene improvement, etc., can solve the problems of inability to germinate seeds, low natural pollination rate, and few capsules, so as to improve the seed setting rate and seed germination rate, improve the effect of seed quality

Inactive Publication Date: 2019-01-18
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The asexual reproduction coefficient of Rhododendron orchid is very low and the cycle is long; due to the low natural pollination rate of sexual reproduction, the harvested capsules are very few, and the seeds can hardly germinate under natural conditions, making it difficult to achieve large-scale production

Method used

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  • Artificial pollination method of cremastra appendiculata
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  • Artificial pollination method of cremastra appendiculata

Examples

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Embodiment 1

[0036] A method for artificial pollination of rhododendron orchids, selecting rhododendron orchids with strong scapes, no pests and diseases, and 15 to 20 flowers per plant as pollinating plants, performing flower thinning treatment on the plants before pollination, and differentiating the flowers in the blooming stage. Strain cross-pollination; Concretely comprises the following steps:

[0037] (1) In mid-June, select the strong three-year-old pseudobulb of rhododendron orchid and transplant it into the mixed soil for cultivation, and apply organic fertilizer by 40kg / acre; described mixed soil is mixed by humus: field soil; The weight ratio of the humus soil to the field soil is 2:1; the cultivation conditions are: natural light intensity 200 μmol m -2 ·s -1 , temperature 15~22 ℃, air relative humidity 80%; In the described organic fertilizer, the mass fraction of nitrogen, phosphorus pentoxide and potassium oxide is 15%, the moisture mass fraction is equal to 30%, cow dung,...

Embodiment 2

[0041]A method for artificial pollination of rhododendron orchids, selecting rhododendron orchids with strong scapes, no pests and diseases, and 15 to 20 flowers per plant as pollinating plants, performing flower thinning treatment on the plants before pollination, and differentiating the flowers in the blooming stage. Strain cross-pollination; Concretely comprises the following steps:

[0042] (1) In mid-June, select the strong three-year-old pseudobulb of rhododendron orchid and transplant it into the mixed soil for cultivation, and apply organic fertilizer by 40kg / acre; described mixed soil is mixed by humus: field soil; The weight ratio of the humus soil to the field soil is 2:1; the cultivation conditions are: natural light intensity 230 μmol m -2 ·s -1 , temperature 15~22℃, air relative humidity 85%;

[0043] (2) Before flowering in the spring and summer of the following year, select rhododendron orchid plants with strong scapes for flower thinning treatment, remove 3 ...

Embodiment 3

[0047] A method for artificial pollination of rhododendron orchids, selecting rhododendron orchids with strong scapes, no pests and diseases, and 15 to 20 flowers per plant as pollinating plants, performing flower thinning treatment on the plants before pollination, and differentiating the flowers in the blooming stage. Strain cross-pollination; Concretely comprises the following steps:

[0048] (1) In mid-June, select the strong three-year-old pseudobulb of rhododendron orchid and transplant it into the mixed soil for cultivation, and apply organic fertilizer by 40kg / acre; described mixed soil is mixed by humus: field soil; The weight ratio of the humus soil to the field soil is 2:1; the cultivation conditions are: natural light intensity 180 μmol m -2 ·s -1 , temperature 15~22℃, air relative humidity 70%~85%;

[0049] (2) Before flowering in the spring and summer of the following year, select rhododendron orchid plants with strong scapes for flower thinning treatment, remo...

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Abstract

The invention relates to an artificial pollination method of cremastra appendiculata. The method comprises the following steps: (1) choosing the cremastra appendiculata with robust scape, no pest anddisease damage and 15 to 20 flowers on each plant as pollination plants; (2) performing flower thinning treatment on the plants before pollination and keeping 10 to 15 flowers on each scape; (3) performing different-plant different-flower pollination on the flowers which have been thinned and are in a bloom period on the morning of sunny days. The method disclosed by the invention obviously improves the maturing rate and the seed germination rate of cremastra appendiculata and is an effective path to achieve rapid propagation of the cremastra appendiculata and solve resource regeneration of the cremastra appendiculata.

Description

technical field [0001] The invention relates to a method for artificial pollination of rhododendron orchids, in particular to a method for artificial pollination of rhododendron orchids with relatively high seed setting rate and seed germination rate. technical background [0002] Rhododendron orchid [Cremastra appendiculata (D.Don) Makino] is a perennial rare medicinal herb of Orchidaceae (Orchidaceae) Rhododendron orchid genus (Cremastra). Its anti-tumor effects have attracted widespread attention. Due to the high medicinal value of Rhododendron orchid, people excavate it in large quantities, coupled with the limitation of the species' own reproduction mechanism and the destruction of the growth environment, its wild resources are reduced and it is on the verge of extinction. Rhododendron orchids are often inclined to one side of the inflorescence, drooping, narrow bell-shaped, stamens and pistils are fused into stamen columns, and pollen is blocky. Due to the special str...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02
CPCA01H1/02
Inventor 张明生田海露吕享刘思佳田莉高燕燕
Owner GUIZHOU UNIV
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