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Method of increasing cold resistance of anthurium andraeanum by using exogenous calcium

A technology of cold resistance and anthurium, applied in horticultural methods, botanical equipment and methods, applications, etc., to achieve the effect of improving physiological metabolism, improving cold resistance, and ensuring product quality

Inactive Publication Date: 2017-12-01
SUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no report on the mature technology of adding an appropriate concentration of exogenous calcium to the nutrient solution to cultivate anthurium, thereby improving the cold resistance of anthurium

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] The present embodiment provides a method for improving the cold resistance of Anthurium anthurium, the key of which is the application of exogenous calcium, the specific method is as follows: provide anthurium anthurium with a seedling age of 4 months; use a flowerpot with a diameter of 9 cm to carry out potting, and cultivate The substrate was 3 parts coconut shell blocks: 2 parts potting peat: 1 part perlite. The nutrient supply frequency of Anthurium seedlings is 2 times a week, one time is 1 / 2 Hoagland nutrient solution, and the other time is 1 / 2 Hoagland nutrient solution added with 3.0mmol·L -1 exogenous calcium. The exogenous calcium is anhydrous calcium chloride (analytically pure), which is accurately weighed and mixed into the diluted nutrient solution to irrigate the roots of Anthurium seedlings. The time to add exogenous calcium was 2 months, and after 2 months, the nutrient supply was changed to once a week, 2 / 3 Hoagland nutrient solution. Cultivated unde...

Embodiment 2

[0014] In this embodiment, different treatment methods are used to test the influence of Anthurium anthurium on physiological indexes and nitrogen metabolism under low temperature. Taking Anthurium seedlings without adding exogenous calcium as a control, add 3.0mmol L respectively with Example 1 of the present invention -1 , 4.0mmol·L -1 and 5.0mmol·L -1 Anthurium seedlings cultivated with exogenous calcium for 2 months were placed together in an incubator with low temperature of 6°C, light intensity of 6000lux, RH85%, and light time of 12h / d for 3 days, and immediately took roots and leaves of Anthurium to measure physiological indicators . See Table 1 for the effects of different treatments on the activities of antioxidant enzymes and root system activity in roots of Anthurium anthurium after low temperature stress at 6°C for 3 days; See Table 2 for the effects of acid content; see Table 3 for the effects of different treatments on nitrogen metabolism in Anthurium leaves ...

Embodiment 3

[0023] Add 3.0mmol·L respectively according to embodiment 1 -1 , 4.0mmol·L -1 and 5.0mmol·L -1 Anthurium seedlings were cultivated for 2 months with exogenous calcium in the nutrient solution. This example provides the appearance performance of Anthurium seedlings resuming growth observed by different treatment methods, and the results are shown in Table 4.

[0024] Table 4 Appearance of Anthurium seedlings recovering growth

[0025] .

[0026] It can be seen from Table 4 that the anthurium seedlings added with exogenous calcium recovered better after the low temperature ended, and the phenomenon of leaf withering and falling off did not appear in the observation records of 4 weeks. Although the anthurium seedlings without exogenous calcium did not show symptoms of damage at the end of the low temperature, they showed obvious leaf wilting and shedding during the recovery growth process in the later stage, indicating that the anthurium seedlings without exogenous calcium ...

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Abstract

The invention discloses a method of increasing cold resistance of anthurium andraeanum by using exogenous calcium. Exogenous calcium with a concentration of 3.0 mmol*L<-1>-5.0 mmol*L<-1> is added into a cultivation nutrient solution during a seedling stage of the anthurium andraeanum, and the cultivation nutrient solution with Exogenous calcium is applied once a week for 2 months. The method provided by the invention is used in anthurium andraeanum cultivation, and can increase the physiological metabolism level of the anthurium andraeanum in a low temperature, and accordingly after the low temperature is over, leaves do not wither or fall, so that the anthurium andraeanum can grow and develop normally in an environment having a temperature 3 DEG C lower than a conventional cultivation temperature, and the product qualities are ensured. The method provided by the invention can effectively increase the cold resistance of the anthurium andraeanum, so as to decrease the energy consumption of anthurium andraeanum production in winter.

Description

technical field [0001] The invention relates to the technical field of flower cultivation, in particular to a method for improving cold resistance of Anthurium anthurium by using exogenous calcium. Background technique [0002] Anthurium ( Anthurium andraeanum ) is a perennial herbaceous plant of the genus Anthurium in the family Araceae. Because of its evergreen leaves all year round, bright flowers and long viewing period, it has become an important ornamental plant for indoor environments in winter and spring. In recent years, it has become one of the most sold varieties of Chinese New Year Flowers and one of the best-selling potted plants in the international market. [0003] Anthurium is native to the tropical rain forests of Central and South America. The natural growth environment is high temperature and humid, and the low temperature of winter cultivation cannot be lower than 12°C. Therefore, in most areas of my country, only facility cultivation can be used, and he...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G7/06C05D3/00
CPCA01G7/06A01G22/00C05D3/00C05G5/20
Inventor 孙向丽王波谈建中
Owner SUZHOU UNIV
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