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Optimal selection method for promoting leaves of Nandina domestica "Hongye" to coloring by proportional fertilization

A technology of Nandina leaves and leaves, which is applied in the field of fertilization to promote the coloration of red-leaf Nandina leaves, can solve the problems that the research on the physiology and leaf color effects of 'red-leaf' Nandina has not been reported, and achieve the effect of improving ornamental value

Inactive Publication Date: 2017-04-26
SICHUAN AGRI UNIV
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Problems solved by technology

Previous scholars have done relevant research on 'Hongye' Nandina from different angles, but the research on the physiological and leaf color effects of 'Hongye' Nandina from the perspective of fertilization ratio has not been reported yet.

Method used

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  • Optimal selection method for promoting leaves of Nandina domestica "Hongye" to coloring by proportional fertilization

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Experimental program
Comparison scheme
Effect test

Embodiment

[0022] The experiment was conducted from September 2015 to February 2016 in Greenhouse No. 4, Farm, Chengdu Campus, Sichuan Agricultural University. The soil for testing is garden soil, the soil pH 6.21 is used after being air-dried, crushed and sterilized through a 3mm aperture sieve. Potted seedlings with the same growth potential in two years were selected for the test 'Hongye' nandina. The height of the seedlings was 15-20 cm, and they were planted in plastic flowerpots with a diameter of 15 cm, a height of 12 cm, and a bottom diameter of 10 cm. Random arrangement, 3 repetitions.

[0023] 1.2 Test method

[0024] 1.2.1 Test treatment

[0025] A total of 16 pot treatments were set up in this study (Table 1), among which the N1P1K1 treatment was used as the blank control (CK).

[0026] Table 1 Experimental design L 16 (4 5 ) and fertilizer dosage

[0027]

[0028] Nitrogen fertilizer with H 2 NCONH 2 (containing N, 46%), calcium superphosphate Ca(H 2 PO 4 ) 2 ·...

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Abstract

The invention provides an optimal selection method for promoting leaves of Nandina domestica "Hongye" to coloring by proportional fertilization. Using a biennial Nandina domestica "Hongye" potted seedling as an object, through a fertilizing method with reasonable fertilizing amount, fertilizing time, and proportion of nitrogen, phosphorus, and potassium, influence of fertilization on physiology and leaf color effect of the Nandina domestica "Hongye" is researched, and finally, proportion of nitrogen, phosphorus, and potassium being beneficial for improving chlorophyll, carotenoid, and anthocyanin contents and promoting the Nandina domestica "Hongye" leaves to coloring is obtained. The method provides theoretical foundation for improving ornamental value of color-leafed plants.

Description

technical field [0001] The invention belongs to the application field of landscaping technology, and in particular relates to an optimal method for promoting the coloration of red-leaved nandina foliage by proportioning fertilization. Background technique [0002] With the progress of society and economic development, people have higher and higher requirements for the color of urban garden plants. Because of their unique leaf color, colorful leaf plants have attracted more and more attention in landscaping in recent years, and their applications have become more and more extensive. However, the level of fertilization has a great influence on the leaf color of color-leaved plants. Studies by Sun Mingxia and others have shown that excessive application of nitrogen fertilizer will cause excessive growth of plants, make green tissue grow rapidly, take advantage, and affect the performance of color-leaf plants. He Jun et al. found that the ratio of N, P, and K 3 elements to promo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01C21/00G01N21/25G01N33/00
CPCA01G17/005A01C21/007G01N21/25G01N33/0098
Inventor 孙泽晨潘远智余孟骁任文徐倩刘加文赵胤
Owner SICHUAN AGRI UNIV
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