Breeding method for shortening cross breeding cycle of hylocereus undulatus Britt

A hybrid breeding and dragon fruit technology, which is applied in horticultural methods, botanical equipment and methods, fruit tree cultivation and other directions, can solve the problems of late flowering and fruiting of seedlings, difficulty in breeding, and plant occupation, and shorten the maturation time. , the effect of speeding up the breeding process and promoting the growth of young seedlings

Active Publication Date: 2019-06-25
广西壮族自治区农业科学院园艺研究所
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The industry's demand for recognizable, high-quality and diversified new varieties is increasing day by day. However, the traditional dragon fruit hybrid breeding method has a long breed...

Method used

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  • Breeding method for shortening cross breeding cycle of hylocereus undulatus Britt
  • Breeding method for shortening cross breeding cycle of hylocereus undulatus Britt
  • Breeding method for shortening cross breeding cycle of hylocereus undulatus Britt

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Embodiment 1

[0034] The present embodiment provides a kind of breeding method that shortens pitaya hybrid breeding cycle, and described method comprises selection stage and verification stage;

[0035] Wherein, the breeding stage includes the following steps:

[0036] S1, promote the growth of parental plants: pitaya plants are potted, and the thorn seats on the plant weeping branches are removed, and when the upwardly growing branches grow to 15cm, topping and castration are carried out to the pitaya plants, and after turning green Promptly get rootstock intercept the old ripe stem section of any dragon fruit variety and put into cultivation box and cultivate and obtain the dragon fruit rootstock cultivated; Then intercept the old ripe stem section of male parent and / or female parent as scion respectively, then parent This female parent is grafted onto the dragon fruit stock that cultivates respectively to obtain the dragon fruit plant of male parent and / or female parent;

[0037] S2, ad...

Embodiment 2

[0046] The present embodiment provides a kind of breeding method that shortens pitaya hybrid breeding cycle, and described method comprises selection stage and verification stage;

[0047] Wherein, the breeding stage includes the following steps:

[0048] S1, promote the growth of parental plants: pitaya plants are potted, and the thorn seats on the plant weeping branches are removed, and when the upwardly growing branches grow to 30cm, topping and castration are carried out to the pitaya plants, and after turning green Promptly get rootstock intercept the old ripe stem section of any dragon fruit variety and put into cultivation box and cultivate and obtain the dragon fruit rootstock cultivated; Then intercept the old ripe stem section of male parent and / or female parent as scion respectively, then parent This female parent is grafted onto the dragon fruit stock that cultivates respectively to obtain the dragon fruit plant of male parent and / or female parent;

[0049] S2, ad...

Embodiment 3

[0058] The present embodiment provides a kind of breeding method that shortens pitaya hybrid breeding cycle, and described method comprises selection stage and verification stage;

[0059] Wherein, the breeding stage includes the following steps:

[0060] S1, promote the growth of parent plants: pitaya plants are potted, and the thorn seats on the plant weeping branches are removed, when the upwardly growing branches grow to 20cm slightly, the pitaya plants are topped and castrated, and after turning green Promptly get rootstock intercept the old ripe stem section of any dragon fruit variety and put into cultivation box and cultivate and obtain the dragon fruit rootstock cultivated; Then intercept the old ripe stem section of male parent and / or female parent as scion respectively, then parent This female parent is grafted onto the dragon fruit stock that cultivates respectively to obtain the dragon fruit plant of male parent and / or female parent;

[0061] S2, adjust the flowe...

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Abstract

The invention relates to the technical field of agricultural planting, in particular to a breeding method for shortening the cross breeding cycle of hylocereus undulatus Britt. The method comprises the main modes of promoting the growth of parent plants, regulating the flowering period to induce the parent plants to bloom, promoting the germination of seeds and the growth of seedlings, promoting early flowering and fruiting of hybrid offspring and screening excellent individual plants. The method is a systematic method, and the best effect cannot be achieved in the absence of any link; according to research, by using the systematic method, the excellent individual plants can be screened out within about 21 months, if the individual plants need to be subjected to verification and expandingpropagation, and the whole cycle takes only 45 months, but 6-10 years are needed by using a conventional method.

Description

【Technical field】 [0001] The invention relates to the technical field of agricultural planting, in particular to a breeding method for shortening the hybrid breeding cycle of dragon fruit. 【Background technique】 [0002] Dragon fruit (Hylocereus undulatus Britt) is a newly emerging south subtropical fruit tree. In recent years, the domestic planting area has been continuously expanding, but the main plant species are relatively single, and the homogeneity is obvious. The industry's demand for recognizable, high-quality and diversified new varieties is increasing day by day. However, the traditional dragon fruit hybrid breeding method has a long breeding cycle, the seedlings flower and set late, and the plant occupies a large area. Compared with ordinary crop breeding, it is more difficult and time-consuming. and low efficiency and other problems and defects. In order to accelerate the pitaya breeding process, shorten time-consuming, improve breeding efficiency and reduce co...

Claims

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Application Information

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IPC IPC(8): A01G22/05A01G2/30A01G7/06A01H1/02A01H1/04
Inventor 梁桂东黄黎芳邓海燕武志江陆贵锋黄凤珠刘朝安戚文洪梁彩虹
Owner 广西壮族自治区农业科学院园艺研究所
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