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A kind of strawberry hydroponic cutting seedling raising method under artificial light environment

A hydroponic cutting and cutting seedling technology, applied in the field of plant breeding, to achieve the effects of improving the efficiency of cutting seedlings, preventing soil-borne diseases, and simple operation

Active Publication Date: 2021-03-09
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems existing in the prior art, the object of the present invention is to provide a method for raising strawberry cutting seedlings in artificial light environment, so as to improve the survival rate of strawberry cutting seedlings, reduce labor intensity, and cultivate strawberry without using pesticides. The purpose of high-quality and strong strawberry seedlings

Method used

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  • A kind of strawberry hydroponic cutting seedling raising method under artificial light environment
  • A kind of strawberry hydroponic cutting seedling raising method under artificial light environment
  • A kind of strawberry hydroponic cutting seedling raising method under artificial light environment

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Embodiment 1

[0034]Choose "Hongyan" strawberry stolon seedlings with uniform size, 3 expanded leaves and 2-3 adventitious roots of 0.5-1.0cm as cutting seedlings. Cuttages are placed in sponge blocks, and rooting is carried out under LED lights using nutrient solution for rooting culture. nourish. The nutrient solution for rooting culture is prepared with purified water based on the basic nutrient solution formula, the EC value is adjusted to 0.2-0.4 mS / cm with deionized water, and the pH value is adjusted to 6.0-6.5 with hydrochloric acid or sodium hydroxide solution. The basic nutrient solution formula is potassium nitrate (KNO 3 ): 303mg / L, calcium nitrate (Ca(NO 3 ) 2 4H 2 O): 236mg / L, ammonium dihydrogen phosphate (NH 4 h 2 PO 4 ): 57mg / L, magnesium sulfate (MgSO 4 ): 123mg / L, chelated iron (Na 2 Fe 7 -EDTA): 28.6mg / L, boric acid (H 3 BO 3 ): 1.13mg / L, manganese sulfate (MnSO 4 ·H 2 O): 0.61mg / L, zinc sulfate (ZnSO 4 ·7H 2 O): 0.09mg / L, copper sulfate (CuSO 4 ·5H 2 O)...

Embodiment 2

[0045] Select the "Hongyan" strawberry stolon seedlings with uniform size, 3 expanded leaves and 2 to 3 adventitious roots of 0.5 to 1.0 cm as cutting seedlings. The cuttings are placed in the sponge block, and the nutrient solution for rooting culture is used in 3 kinds of LED lights ( Rooting culture was carried out under pure white LED, white red LED5:1 and white red LED5:3), and there were 100 cutting seedlings under each LED light. Pure white LED means that the LED lamp is completely made of white LED lamp beads, white and red LED5:1 means that the LED lamp is made of white LED lamp beads and red LED lamp beads according to the quantity of 5:1, white and red LED5:3 It means that the LED lamp is made of white LED lamp beads and red LED lamp beads at a ratio of 5:3. Although the light provided by the three LED lamps is mainly white light environment, their spectral distribution is different ( figure 1 ). The nutrient solution for rooting culture is prepared with purified w...

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Abstract

The invention belongs to the technical field of plant breeding, and specifically discloses a method for raising seedlings of strawberry hydroponic cuttings under an artificial light environment. Strawberry cutting seedlings were rooted in an artificial light environment with a nutrient solution for rooting culture, and the light intensity was 25 μmol / m 2 / s~145μmol / m 2 / s; After the cutting seedlings grow 5-7 adventitious roots of 1.5-2.5 cm, use the nutrient solution for seedling cultivation to carry out seedling cultivation under artificial light environment, and the light intensity is 90 μmol / m 2 / s~270μmol / m 2 / s. The invention utilizes the LED light source to provide suitable light intensity for the strawberry cutting seedlings, promotes the accumulation of photosynthetic products of the cutting seedlings, accelerates the rooting of the cutting seedlings, does not need additional plant growth regulators, and the cutting survival rate can reach 100%.

Description

technical field [0001] The invention belongs to the technical field of plant breeding, and in particular relates to a method for raising seedlings of strawberry hydroponic cuttings under an artificial light environment. Background technique [0002] Strawberry cutting seedling raising is a technology that cuts off the stolon seedlings that have not taken root or have a small amount of adventitious roots on the stolons of strawberry mother seedlings, and cultivates them into seedlings in vitro. The advantages of cultivating strong seedlings are important methods for strawberry seedling breeding. Since the seedlings picked from stolons have no roots or only a small amount of adventitious roots with shear wounds on the roots, promoting the rooting of cutting seedlings and preventing the infection of soil-borne diseases are the key technologies for growing strawberry cutting seedlings, which directly affect the survival rate and survival rate of cuttings. Quality of strawberry ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G31/00A01G2/10A01G7/04C05G1/00C05G5/20
CPCA01G7/045A01G31/00A01G2/10C05B7/00C05C3/00C05C5/02C05C5/04C05D5/00C05D9/02C05G5/20Y02P60/14
Inventor 贺冬仙郑建锋杜维芬
Owner CHINA AGRI UNIV
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