A method of promoting the formation of dormant balls in water lilies of the subgenus lotos

Abstract

The invention discloses a method to promote a lotos subgenus water lily to form a dormancy ball, and relates to a method to force the lotos subgenus water lily to form the dormancy ball. The method to promote the lotos subgenus water lily to form the dormancy ball comprises the steps that fine germchits of the lotos subgenus water lily are selected, and the fine germichits are planted into containers with the common pond sludge as substrate, and apertures of the containers are 10cm to 12cm. The germchits are placed into a natural water area with at least 6 hours direct solar radiation every day and cultivated until the first frost. The water level is the only thing that needs to be guaranteed, the old leaves and the weed are cleaned timely, and topdressing and other measures are not needed. The plants are removed from the water body one to two days after the local first frost, the unnecessary leaves are removed and only 3 to 4 new leaves are remained. The plants are placed in shade area on land with a temperature ranging from 7 degrees to 15 degrees intensively. The dormancy balls are excavated after the wilting and drying of the leaves, the dormancy balls are cleaned and dried in the shade until the epidermis water disappears, and the dormancy balls are stored for overwintering. The method to promote a lotos subgenus water lily to form a dormancy ball is simple and practicable, the probability that the lotos subgenus water lily forms the dormancy ball is improved exponentially, and the problems that lotos subgenus water lily is difficult to form a dormancy ball in the northern area and difficult to reproduce are solved.

Description

technical field [0001] The invention relates to a method for forcing plants to enter a dormancy state, in particular to a method for promoting the formation of dormancy balls of water lilies of the subgenus Lotos. The invention belongs to the technical field of plant preservation and 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 water temperature reaching 20°C in late spring to half a month before the first frost). The flowering habit is to open at dusk every day and close at 10-12 o'clock the next day. It just happens to be available for people to watch while enjoying the cool in the summer evening, and is deeply loved by people. At the same time, its rhizomes can absorb heavy metals an...

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a kind of method that impels Lotos subgenus water lilies to form dormant balls, greatly improves the probability that Lotos subgenus water lilies produce dormant balls by technical means, to solve the problem that this type of water lily produces few dormant balls especially in the northern region question

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