Hydroponic technology for Cinnamomum camphora seedlings

A technology of seedlings and camphor, which is applied in the field of hydroponic cultivation of camphor seedlings, can solve problems such as poor cold resistance, iron deficiency chlorosis, affecting the accuracy and pertinence of research results, and achieve low cost and improved accuracy and targeted effects

Inactive Publication Date: 2016-01-06
SUQIAN COLLEGE
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AI Technical Summary

Problems solved by technology

Camphor tree likes warm and humid climate, not strong cold resistance, more resistant to water and humidity, but not resistant to drought, barren and saline-alkali soil, it is prone to iron deficiency chlorosis when cultivated in northern my country
Therefore, the breeding of new saline-alkali-resistant varieties of Cinnamomum camphora and the improvement of saline-alkali resistance of Cinnamomum camphora seedlings are research hotspots ...

Method used

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Embodiment

[0025] The hydroponic technology of camphor seedlings comprises the following steps:

[0026] 1. Seedling preparation

[0027] Select normal growing annual camphor seedlings (15-20cm), wash off the rhizosphere soil with running water, cut off the main root so that the length of the main root does not exceed 10cm, do not damage the lateral roots, and keep 2-3 side branches with weaker growth at the top of the ground , Cut off the remaining strong side branches and bottom leaves. Immediately soak the roots of the seedlings in 200mg / LIAA solution for 5-8 minutes.

[0028] 2. Nutrient solution preparation

[0029] Macronutrient adopts Hoagland and Snyde (1938) general formula of nutrient solution, and microelement adopts " Soilless Culture " (1st edition in 2003, page 98) edited by Guo Shirong (the first edition in 2003, page 98) general formula of nutrient solution micronutrient element as follows:

[0030] Table 1 Modified Hoagland nutrient solution macroelement and microel...

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Abstract

The invention discloses a hydroponic technology for Cinnamomum camphora seedlings, the technology mainly comprising following steps: (1) preparation of seedlings; (2) preparation of a nutrient solution; (3) preparation of containers; (4) transplantation of seedlings; (5) management of the nutrient solution; (6) management of seedlings. The hydroponic technology is innovative in that: the hydroponic method is adopted; the nutrient absorption of Cinnamomum camphora seedlings is deduced by a relation formula between the dosage of the nutrient solution and the conductivity, wherein the nutrient solution is prepared from tap water of northern Jiangsu, and the relation formula is y=0.011x<3>-0.0742x<2>+0.6111x-0.3722. By use of the hydroponic technology, nutritional environment conditions for Cinnamomum camphora growth are strictly controlled; the cost is low; root systems will not be harmed; the dynamic characteristic of root system growth is easy to observe; the accuracy and pertinence of test results are greatly increased.

Description

technical field [0001] The invention relates to the field of plant hydroponic technology, in particular to a hydroponic technology of camphor seedlings. technical background [0002] Camphor is an evergreen tree with a wide crown, dense branches and leaves, and majestic momentum. It is an excellent street tree and shade tree. One of the green tree species. Camphor tree likes warm and humid climate, not strong cold resistance, more resistant to water and humidity, but not resistant to drought, barren and saline-alkali soil, it is prone to iron deficiency chlorosis when cultivated in northern my country. Therefore, the breeding of new saline-alkali-resistant varieties of Cinnamomum camphora and the improvement of saline-alkali resistance of Cinnamomum camphora seedlings are research hotspots in recent years, among which the growth dynamics of Cinnamomum camphora root system under saline-alkali conditions and the mechanism of nutrient absorption are key issues to be solved. H...

Claims

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Application Information

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IPC IPC(8): A01G31/00
CPCA01G31/00
Inventor 韩浩章张颖张丽华王晓立张佳
Owner SUQIAN COLLEGE
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