Method for improving growth vigor of plants in tropical zone and subtropical zone

A subtropical area and plant technology, applied in the fields of botanical equipment and methods, horticultural methods, horticulture, etc., can solve problems such as the inability of pakchoi to grow well, and achieve the solution of less accumulation of assimilates, increased leaf area, and increased accumulation of assimilates. Effect

Inactive Publication Date: 2010-07-28
INST OF BOTANY CHINESE ACAD OF SCI
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Problems solved by technology

[0011] The purpose of the present invention is to provide a method for improving the growth of plants in tropical and subtropical regions, which ca

Method used

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  • Method for improving growth vigor of plants in tropical zone and subtropical zone
  • Method for improving growth vigor of plants in tropical zone and subtropical zone
  • Method for improving growth vigor of plants in tropical zone and subtropical zone

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Experimental program
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Effect test

Embodiment 1

[0041] Embodiment 1, cultivate the Chinese cabbage that growing way strengthens

[0042] 1. Experimental steps for screening water temperature

[0043] 1. Sow the same number of pakchoi seeds in the seedling trays, and cultivate them in the greenhouse. The HBRID F1 variety from Beijing Huabi Seedling Technology Development Co., Ltd. was selected for sowing. The medium is peat:perlite=3:1. The cultivation density is one plant per 3cm, and each pot is sown neatly. The nursery pots were placed in the greenhouse for the first 2 weeks and watered once a day. Chinese cabbage sprouts after two days, and basically grows the third leaf after a week, which is the functional leaf.

[0044] 2. After two weeks, when the length of the functional leaves is greater than 2cm, select seedlings with consistent growth, 20 plants for each treatment, and put them into the artificial climate chamber, set the constant temperature at 35°C, and light every day from 7:00 to 19:00. From 20:00 in the...

Embodiment 2

[0049] Embodiment 2, cultivate the Chinese cabbage that growing way strengthens

[0050] 1. Experimental procedure for screening water spray frequency

[0051] 1. Sow the same number of pakchoi seeds at the corresponding positions in the seedling trays, and cultivate them in the greenhouse. The HBRID F1 variety from Beijing Huabi Seedling Technology Development Co., Ltd. was selected for sowing. The medium is peat:perlite=3:1. The cultivation density is one plant per 3cm, and each pot is sown neatly. The nursery pots were placed in the greenhouse for the first 2 weeks and watered once a day. Chinese cabbage will emerge in two days, and functional leaves will emerge in a week.

[0052]2. Two weeks later, when the functional leaf length is greater than 2cm, select seedlings with consistent growth, and put 20 plants in each treatment into the artificial climate chamber, set the constant temperature at 35°C, and light from 7:00-19:00 every day. From 20:00 in the evening to 6:...

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Abstract

The invention discloses a method for improving growth of plants in the tropical zone and the subtropical zone, which comprises the following steps that: water is sprayed on the leaves of plants at night so as to obtain the plants with improved growth vigor. The experiment proves that: the temperature of the sprayed water is lower than the atmospheric temperature, so the temperature difference between day and night can be enlarged, the accumulation of assimilation products of pakchoi at night can be realized, the growth of the pakchoi can be promoted so as to improve the growth vigor of the pakchoi, the improvement of the growth vigor can be realized both at the temperature difference of 13 or 20 DEG C between the water temperature and the atmospheric temperature, and the water spraying frequency is appropriately controlled at one time per hour. By adopting the method, in the unfavorable environment of high temperature and small temperature difference between day and night, the growth of the pakchoi can be promoted, so the difficulty that the growth of the pakchoi is slow and the accumulation quantity of the assimilation products of the pakchoi is less in the tropical climate can be solved.

Description

technical field [0001] The invention relates to a method for improving the growth of plants in tropical and subtropical regions. Background technique [0002] Chinese cabbage is commonly known as non-heading cabbage, scientific name: Brassica rapa L. Chinensis Group. (B. chinensis L.) Brassicaceae-Brassica, an annual herb with a greener color. [0003] According to the determination, Chinese cabbage is the vegetable with the most abundant minerals and vitamins. As an important source of vitamin supplements, it is especially suitable for planting in islands and other places that lack sufficient fresh vegetables. [0004] Chinese cabbage is rich in nutrients and high in calcium, which is an ideal vegetable for preventing and treating vitamin D deficiency (rickets); rich in vitamin B1, vitamin B6, pantothenic acid, etc., also has the function of relieving mental tension; in addition, high content of vitamin A, vitamin C, vitamin B group, potassium, selenium, etc., are benefic...

Claims

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Application Information

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IPC IPC(8): A01G7/06
Inventor 姜闯道巩玥石雷
Owner INST OF BOTANY CHINESE ACAD OF SCI
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