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Artificial pollination method for ivory ginseng plants

A technology of artificial pollination and ivory ginseng, applied in the biological field, can solve the problems of lack of auxiliary pollination and inability to reproduce sexually, so as to ensure the quality of self-pollination, improve the rate of self-pollination and self-fruit setting, and the operation method is simple Effect

Active Publication Date: 2020-10-13
SOUTHWEST FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] During the long-term evolution, the plants of the genus Ginseng have been highly adapted to the low temperature conditions in high-altitude areas. They are introduced to low-altitude areas by conventional methods such as perennial root or seed propagation, and often die because they cannot adapt to high temperatures exceeding 30°C in summer; moreover, The introduced plants are unable to carry out natural sexual reproduction due to the lack of insects in the original place for auxiliary pollination.
There is no report on the method of artificial assisted pollination of ginseng plants

Method used

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  • Artificial pollination method for ivory ginseng plants
  • Artificial pollination method for ivory ginseng plants
  • Artificial pollination method for ivory ginseng plants

Examples

Experimental program
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Effect test

Embodiment 1

[0022] Embodiment 1: the artificial assisted pollination method of early flowering ivory ginseng is as follows:

[0023] (1) During the full flowering period (May to July) of potted early-flowering ginseng, at noon on the day when the small flowers in the spikes (inflorescence peduncles are exposed), initially select the small flowers that are open and strong in the middle and lower parts of the spikes as the artificially pollinated objects, figure 1 A;

[0024] (2) Fold the 3 corolla lobes of the floret slightly to expose the pistil and stamen inside, and choose the flower whose stamen anthers are mature and just started to loose powder, figure 1 B;

[0025] (3) Use pointed tweezers to carefully pick out the extremely slender pistil style from the filigree trough of the stamen, clamp the anther septum extending from the base of the stamen to avoid the style of the pistil, and gently remove the anther of the stamen for later use ;

[0026] (4) Gently hold the stigma (hollo...

Embodiment 2

[0029] Embodiment 2: the artificial cross pollination method of sessile ivory ginseng is as follows:

[0030] (1) During the full flowering period (July) of potted sessile ivory ginseng, at noon on the day when the small flowers in the spikes (exposed peduncles) open, initially select the strong small flowers that are open in the middle and lower part of the inflorescence on the same day as the artificial hybrid pollination female parent, figure 2 A;

[0031] (2) Slightly fold back the three corolla lobes of the sessile ivory ginseng florets to expose the pistil and stamens inside, and select the flowers whose stamen anthers are mature and have just begun to loose powder, and the downward curved stigma has not touched the pollen, figure 2 B;

[0032] (3) Use pointed tweezers to carefully pick out the extremely slender pistil style of Sessile Ivory Ginseng from the stamen filigree trough, clamp the anther septum extending from the base of the stamen, avoid the pistil style ...

Embodiment 3

[0036] Embodiment 3: the artificial hybrid pollination method of powder leaf ivory ginseng, comprises the following steps:

[0037] (1) During the full flowering period (July) of potted pink-leaf ginseng, at noon on the day when the small flowers in the spikes (exposed peduncles) open, initially select the strong small flowers that open in the middle and lower parts of the inflorescence on the same day as the artificial hybrid pollination. female parent, image 3 A;

[0038] (2) Fold the 3 corolla lobes of the pink-leaf ivory ginseng floret slightly to expose the pistil and stamen inside, and choose the flower whose stamen anthers are mature and just started to loose powder, image 3 B;

[0039](3) Use pointed tweezers to carefully pick out the extremely slender pistil style from the stamen filament trough, clamp the anther septum extending from the base of the stamen into a spur, avoid the pistil style and the slightly enlarged and hollow stigma, and gently remove the entir...

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Abstract

The invention discloses an artificial pollination method for ivory ginseng plants. The method comprises the following steps: in the full-bloom stage of the ivory ginseng plants, slightly reversely folding three splits of a corolla, clamping the base of a stamen by using sharp tweezers to extend into a distant anther partition, and slightly taking down the whole anther; directly clamping the wholeanther, slightly smearing pollen on the pistil stigma of a castrated female parent flower for multiple times, and restoring the three corolla splits to finish artificial pollination of the ivory ginseng plants. The method is easy to operate, high in efficiency and low in cost, the pollination rate and the fruit setting rate of selfing or hybridization of the ivory ginseng plants can be effectivelyimproved, and popularization and application of the method during selfing propagation or hybridization breeding of the ivory ginseng plants are facilitated.

Description

technical field [0001] The invention belongs to the field of biotechnology, and in particular relates to a method for artificial pollination of ginseng plants. Background technique [0002] Roscoea Smith is a perennial low-growing herbaceous plant of Zingiberaceae. Its fleshy roots are thick and swollen, resembling ivory. This genus is only distributed in the Himalayas, and it is one of the few groups of Zingiberaceae distributed in high-altitude areas. Many of its species are often used as Tibetan medicine and folk herbal medicine in Southwest China. They have the effects of warming the middle and dispelling cold, relieving pain and eliminating food. The flowers are large, beautiful in shape and color, and can be viewed for viewing. They have important economic value. The plants of the genus Ivory are spikes or flower heads, and the structure of the florets is relatively unique. The corolla has 3 lobes, and the rear lobe is erect, larger, and pocket-shaped, and the lobes o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02
CPCA01H1/02
Inventor 牟凤娟高玉红郑雪姣毕雨欣李一果
Owner SOUTHWEST FORESTRY UNIVERSITY