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Method for shortening development period of Paphiopedilum Pfitzer fruits and improving germination rate of Paphiopedilum Pfitzer seeds

A technology of fruit development period and germination rate, which is applied in the field of plant cultivation, can solve the problems affecting the industrial production of Paphiopedilum seedlings, the decrease of seed germination rate, and the impact of germination rate, so as to achieve the improvement of fruit harvest rate, low cost, and high germination rate. rate-enhancing effect

Inactive Publication Date: 2016-02-03
SOUTH CHINA AGRI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, although there are many seeds in the fruit of Paphiopedilum, factors such as high temperature during the fruit development process will cause seed abortion and form embryoless seeds, which will also significantly affect the germination rate.
[0005] The flowering period of most Paphiopedilum is in spring, and it takes 3 months or even longer for the fruit to develop. For example, the most common species of P. paupiochis currently on the market has the highest seed germination rate at 180 to 220 days after pollination. However, during the fruit development process, the high temperature in summer caused a decrease in the seed germination rate and an increase in the rotten fruit rate.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A method for shortening the fruit development period of Paphiopedilum and improving the germination rate of seeds, comprising the following steps:

[0027] (1) After the flowering of the Red Devil Emperor Paphiopedilum, choose a plant with a strong plant, a thick and straight flower diameter, a large flower, a flower shape, and an excellent color, and carry out artificial pollination, and avoid getting water before the flower falls off; after the flower falls off, use it immediately Quicklime seals the wounds formed when the flowers fall off;

[0028] (2) When the ovary of the treated Paphiopedilum plant in step (1) begins to expand, wrap the ovary that has begun to expand with absorbent cotton earlier, and use a quantitative dropper to 6-BA solution (containing a final concentration of 25mg / L 6-BA and 1% (v / v) Tween-80) are evenly dripped on the absorbent cotton, and the absorbent cotton is removed after 24 hours of treatment;

[0029] (3) The fruit can be harvested a...

Embodiment 2

[0032] A method for shortening the fruit development period of Paphiopedilum and improving the germination rate of seeds, comprising the following steps:

[0033] (1) After the flowering of the Red Devil Emperor Paphiopedilum, choose a plant with a strong plant, a thick and straight flower diameter, a large flower, a flower shape, and an excellent color, and carry out artificial pollination, and avoid getting water before the flower falls off; after the flower falls off, use it immediately Quicklime seals the wounds formed when the flowers fall off;

[0034] (2) When the ovary of the treated Paphiopedilum plant in step (1) begins to expand, wrap the ovary that has begun to expand with absorbent cotton earlier, and use a quantitative dropper to dissolve the 6-BA solution (containing a final concentration of 50 mg / L of 6-BA and 1% (v / v) Tween-80) were evenly dropped on the absorbent cotton, and the absorbent cotton was removed after 24 hours of treatment.

[0035] (3) The frui...

Embodiment 3

[0038] A method for shortening the fruit development period of Paphiopedilum and improving the germination rate of seeds, comprising the following steps:

[0039] (1) After the flowering of the Red Devil Emperor Paphiopedilum, select a plant with a strong plant, a thick and straight flower diameter, a large flower, a flower shape, and an excellent color, and artificially pollinate it, and avoid getting wet before the flower falls off. After the flowers fall off, the wound formed when the flowers fall off is closed with quicklime;

[0040] (2) When the ovary of the treated Paphiopedilum plant in step (1) begins to expand, wrap the ovary that has begun to expand with absorbent cotton earlier, and 6-BA solution (containing a final concentration of 100 mg / L) with a quantitative dropper 6-BA and 1% (v / v) Tween-80) are evenly dripped on the absorbent cotton, and the absorbent cotton is removed after 24 hours of treatment;

[0041] (3) Fruit picking and sowing can be carried out abo...

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PUM

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Abstract

The invention belongs to the field of cultivation of plants, and specifically relates to a method for shortening a development period of Paphiopedilum Pfitzer fruits and improving germination rate of Paphiopedilum Pfitzer seeds. The method for shortening the development period of the Paphiopedilum Pfitzer fruits and improving germination rate of the Paphiopedilum Pfitzer seeds comprises the following steps: (1) when a pollinated flower of a Paphiopedilum Pfitzer plant falls down, sealing off a wound formed by disengagement of the flower with quicklime; and (2) when an ovary of the Paphiopedilum Pfitzer plant treated in the step (1) starts to swell, treating the developing ovary of the Paphiopedilum Pfitzer plant with a 6-BA solution for 12 to 36 h. According to the invention, through protection to the Paphiopedilum Pfitzer fruits and shortening of the development period of the ovary by treatment with the 6-BA solution, the influence of high temperature in summer on the development of the Paphiopedilum Pfitzer fruits is reduced, so embryo rate of the Paphiopedilum Pfitzer seeds and harvesting rate of the Paphiopedilum Pfitzer fruits are substantially improved.

Description

technical field [0001] The invention belongs to the field of plant cultivation, and in particular relates to a method for shortening the fruit development period of Paphiopedilum and improving the germination rate of seeds. Background technique [0002] Paphiopedilum Pfitzer (Paphiopedilum Pfitzer) refers to the plant of the genus Paphiopedilum in the family Orchidaceae, mainly distributed in subspecies tropical regions to Pacific islands, growing under tropical rain forests, terrestrial or epiphytic. In addition to the 18 species native to my country recorded in "Flora of China", many species or variants of Paphiopedilum native to my country have been discovered in recent years, distributed in the southern tropical and subtropical regions and the west, especially in Guangxi Province , Guizhou Province, and Yunnan Province are more distributed. [0003] The orchid has a unique flower shape and a beautiful plant shape, and is very popular. There are abundant resources of Pap...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G7/06
CPCA01G7/06A01G22/00
Inventor 谭剑锋刘伟刘运权王燕君韩一航
Owner SOUTH CHINA AGRI UNIV
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