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Cuttage breeding method for improving cold resistance of pitaya

A technology of dragon fruit and cold resistance, which is applied in the field of cuttage breeding to improve the cold resistance of dragon fruit, can solve the problems of poor cold resistance of dragon fruit, etc., and achieve the effects of improving cold resistance, increasing yield per mu, and increasing yield

Pending Publication Date: 2022-02-01
广西海泉农业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a kind of cuttage breeding method that improves dragon fruit cold resistance, to solve the problem that dragon fruit cold resistance is poor in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A cutting and breeding method for improving dragon fruit cold resistance, comprising the following steps:

[0028] S1: Cutting treatment: In mid-to-late September, choose healthy branches that are free from diseases and insect pests, strong, dark in color, and fully mature. Cover the branches with a black plastic bag for 18 days of yellowing treatment, then cut off the branches, and cut the selected branches. Cut off the mesophyll tissue at the base of 3 cm to expose the fiber tubes of Baise, and cut them to obtain rooted dragon fruit seedlings;

[0029] S2: Transplanting treatment: transplant the above-mentioned dragon fruit rooted seedlings in the plastic greenhouse, water the fixed root water immediately, and spray the nutrient solution after 2 days;

[0030] S3: Low temperature treatment: After spraying the nutrient solution, control the temperature in the greenhouse to 9°C, and spray the nutrient solution once a month at a spraying rate of 5kg / ㎡; after 3 months of ...

Embodiment 2

[0034] A cutting and breeding method for improving dragon fruit cold resistance, comprising the following steps:

[0035] S1: Cutting treatment: In mid-to-late September, select healthy branches that are free from diseases and insect pests, strong, dark in color, and fully mature, cover the branches with a black plastic bag and perform yellowing treatment for 20 days, then cut off the branches, and cut the selected branches Cut off the mesophyll tissue of the base 4cm to expose the fiber tubes of Baise, carry out cuttings, and obtain rooted dragon fruit seedlings;

[0036] S2: Transplanting treatment: transplant the above-mentioned dragon fruit rooted seedlings in the plastic greenhouse, water the fixed root water immediately, and spray the nutrient solution after 3 days;

[0037] S3: Low temperature treatment: After spraying the nutrient solution, control the temperature in the greenhouse to 6°C, and spray the nutrient solution once a month, with a spraying rate of 6kg / ㎡; after...

Embodiment 3

[0041] A cutting and breeding method for improving dragon fruit cold resistance, comprising the following steps:

[0042] S1: Cutting treatment: In mid-to-late September, select healthy branches that are free from diseases and insect pests, strong, dark in color, and fully mature, cover the branches with a black plastic bag and perform yellowing treatment for 19 days, then cut off the branches, and cut the selected branches Cut off the mesophyll tissue of the base 4cm to expose the fiber tubes of Baise, carry out cuttings, and obtain rooted dragon fruit seedlings;

[0043] S2: Transplanting treatment: transplant the above-mentioned pitaya rooted seedlings into the plastic greenhouse, water the fixed root water immediately, and spray the nutrient solution after 4 days;

[0044] S3: Low temperature treatment: After spraying the nutrient solution, control the temperature in the greenhouse to 8°C, and spray the nutrient solution once a month, and the spraying amount is 8kg / ㎡; afte...

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PUM

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Abstract

The invention discloses a cuttage breeding method for improving cold resistance of pitaya, which comprises the following steps: S1, selecting robust branches, cutting off the branches, and carrying out cuttage to obtain pitaya rooting seedlings; s2, transplanting the pitaya rooted seedlings into a plastic greenhouse, immediately irrigating the pitaya rooted seedlings with root fixing water, and spraying a nutrient solution after 2-5 days; s3, controlling the temperature in the greenhouse to be 5-9 DEG C, and spraying a nutrient solution; after the seedlings are cultured for 3-4 months, removing dead seedlings, adjusting the temperature to be-5 DEG C to 5 DEG C, and spraying a nutrient solution; continuously culturing for 3-4 months, and removing dead nursery stocks at the same time; s4, transplanting the seedlings subjected to low-temperature treatment into a natural environment for continuous growth, harvesting after seeds are mature, continuously sowing the cold-resistant pitaya, selfing the cold-resistant pitaya, and selecting branches or seeds with excellent and stable characters from offspring of the cold-resistant pitaya to cultivate the cold-resistant pitaya. The problem of poor cold resistance of pitaya can be solved, and the low-temperature treatment survival rate and yield of pitaya are improved.

Description

technical field [0001] The invention belongs to the technical field of pitaya cultivation, and in particular relates to a cutting selection method for improving the cold resistance of pitaya. Background technique [0002] Dragon fruit (Latin scientific name: Hylocereus undulatus Britt), a plant of the genus Cactus, also known as red dragon fruit, dragon fruit, fairy honey fruit, and jade dragon fruit. A perennial climbing succulent. The plant has no taproot, and a large number of lateral roots are distributed in the shallow soil layer. At the same time, there are many aerial roots, which can climb and grow. The rhizome is dark green, strong, up to 7 meters long, 10-12cm thick, with 3 ribs. The edges are flat, the edges are wavy, and climbing roots grow at the stem nodes, which can grow on other plants. There are mostly 3 ribs, and each stem node has small thorns in the depression. Due to long-term growth in tropical desert areas, its leaves have degenerated, and the photo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/10A01G22/05C05G3/00C05G3/50A01N37/42A01N43/36A01P21/00
CPCA01G2/10A01G22/05C05D3/00C05G3/00C05G3/50A01N37/42A01N43/36C05D9/00C05D9/02C05F11/00C05F11/10
Inventor 林琳林杰林子航
Owner 广西海泉农业有限公司
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