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Method for improving propagation coefficient of Lotos subgenus water nymph

A technology of reproduction coefficient and water lily, which is applied in the field of plant reproduction, can solve the problems of low reproduction rate of water lily and achieve the effects of saving seedling space, improving survival rate and saving energy

Inactive Publication Date: 2015-05-06
XIAN BOTANICAL GARDEN SHAANXI PROV
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Problems solved by technology

[0004] The object of the present invention is to provide a kind of method that improves Lotos subgenus water lily reproduction coefficient, improves the reproduction coefficient of single Lotos subgenus water lily dormant ball, to solve the low problem of this type of water lily especially in the north area reproduction rate

Method used

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  • Method for improving propagation coefficient of Lotos subgenus water nymph

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Embodiment Construction

[0018] Below in conjunction with the comparative test of a method of the present invention and conventional seedling raising method illustrate:

[0019] 1. Operation steps

[0020] The first step is to select the propagating material (dormant ball) - use the dormant ball of Nymphaea lotus var.pubescens (Nymphaea lotus var.pubescens) of the subgenus Lotos as the material, wash the dirt on the dormant ball, and select those that are hard and mold-free Become a dormant ball with vitality;

[0021] The second step, the propagation material treatment - soak the washed dormant ball in 500 times 50% wettable carbendazim solution for 40-60 minutes, take it out and shake off the excess water;

[0022] In the third step, prepare the germination facility - the germination is carried out at solar temperature. Use a 40cm×60cm×40cm plastic box as a hydroponic container, add water to the container to a depth of 15-20cm; use a 150cm×200cm×60cm cement pool as a mud planting water body, and t...

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Abstract

The invention discloses a method for improving a propagation coefficient of Lotos subgenus water nymph. The method comprises the following steps: placing a cleaned and sterilized dormant bulb in a water tank with a water level of 15-20cm or another container for culturing the dormant bulb in water, wherein a water temperature is controlled to be 24-32 DEG C, and illumination with illuminance of 3000-8000lx is provided for above 8h every day; when a plantlet germinated from the dormant bulb grows 1-2 leaves and has more than four adventitious roots, immediately transplanting the plantlet; then re-placing the dormant bulb in the water tank for continuously culturing, germinating a new plantlet on the dormant bulb, and re-transplanting when the plantlet grows to reach the standard; and repeating the steps until ending at the last ten-day period of September. According to the method, 11.65 plantlets can be obtained averagely from one dormant bulb in one year, and are above 5 times that of a conventional seedling culturing method. Compared with the conventional seedling culturing method, the method has the characteristics of high propagation coefficient, high seedling survival rate and cost saving, and is easy and simple to operate.

Description

technical field [0001] The invention relates to a method for increasing plant reproduction coefficient, in particular to a method for improving the reproduction coefficient of lotos subgenus water lilies when dormant balls are used as propagation materials. The invention belongs to the technical field of plant propagation. Background technique [0002] The subgenus Lotos belongs to one of the five subgenuses of Nymphaea in the family Nymphaeaceae, including 2 native species and more than a dozen horticultural varieties. The water lilies of the subgenus Lotos have huge plants, large and colorful flowers, and a long flowering period (from the end of spring when the water temperature reaches 20°C to half a month before the first frost). The feature is just suitable for people to watch when enjoying the cool in the evening in summer, and is deeply loved by people. At the same time, its rhizomes can absorb heavy metals and toxic substances in the soil and eutrophicants in the w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/02
Inventor 李淑娟樊璐吴永朋
Owner XIAN BOTANICAL GARDEN SHAANXI PROV
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