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Cold-resistant and pest-resistant noni seedlings and cultivation method thereof

A breeding method and seedling technology, applied in the field of cold-resistant and pest-resistant Noni seedlings and their cultivation, can solve the problems of only digging out multiple planting, withering, and the death of whole plants in patches, and achieve the survival rate of seedlings and the rate of nursery emergence High, simple seedling management, improved resistance to diseases, insect pests and cold damage

Active Publication Date: 2021-07-23
YUNNAN INST OF TROPICAL CROPS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing noni cultivation methods in my country mainly use seeds, cuttings, etc. for seedling propagation. This method can maintain the excellent traits of the female parent. However, through observation of the trial planting situation and literature review, it is known that Javanese is common in Hainan noni. Insect pests caused by root-knot nematode and peanut root-knot nematode, the incidence rate of local plots can reach 100%, causing the whole area to die; at the same time, in Xishuangbanna Prefecture, even at low altitudes of about 600m, there will be different degrees of cold damage every year. even lead to the death of whole plants
[0004] At present, the Noni planted in Xishuangbanna Dai Autonomous Prefecture has experienced a large-scale outbreak of viral disease since 2015. There are no corresponding measures or drugs to prevent or cure the viral disease. Even if artificial pruning is adopted, the newly sprouted leaves will also carry Viruses can only be removed and replanted

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] A method for cultivating cold-resistant and pest-resistant Noni seedlings, the method for cultivating the Noni seedlings specifically comprises the following steps:

[0062] (a) rootstock cultivation: first, intercept 3 joints of 1-year-old corkless branches of Morinda officinalis Morinda officinalis, then all the leaves of the branches are cut off, the bottom of the branches is cut into a 45° inclined plane, and the top is wrapped with a layer of plastic film. And soak the rooting powder solution for 20s on the inclined surface, the soaking depth is flush with the first section, then insert the Morinda officinalis branches into the cutting seedbed and cultivate them for 30 days, the cutting depth is flush with the first section, and the grafted rootstock is obtained;

[0063] The cuttage of described cuttage nursery bed is dug to be provided with cutting slot, and the groove pitch of described cutting slot is 15cm, and cutting ear spacing is 8cm;

[0064] (b) scion gra...

Embodiment 2

[0067] A method for cultivating cold-resistant and pest-resistant Noni seedlings, the method for cultivating the Noni seedlings specifically comprises the following steps:

[0068] (a) rootstock cultivation: first, intercept 4 joints of 2-year-old corkless branches of Morinda officinalis Morinda officinalis, then cut off all the leaves of the branches, cut the bottom of the branches into a 45° inclined plane, wrap the top with a layer of plastic film, And soak the rooting powder solution for 40s on the inclined surface, the soaking depth is flush with the first section, then insert the Morinda officinalis branches into the cutting seedbed and cultivate them for 40 days, the cutting depth is flush with the first section, and the grafted rootstock is obtained;

[0069] Cuttage slots are dug at the cutting place of the cutting seedbed, the slot spacing of the cutting slots is 25cm, and the cutting spacing is 12cm;

[0070] (b) scion grafting: the Noni scion is grafted on the 2nd ...

Embodiment 3

[0073] A method for cultivating cold-resistant and pest-resistant Noni seedlings, the method for cultivating the Noni seedlings specifically comprises the following steps:

[0074] (a) rootstock cultivation: first, intercept 3 knots of 2-year-old corkless branches of Morinda officinalis Morinda officinalis, then cut off all the leaves of the branches, cut the bottom of the branches into a 45° inclined plane, wrap the top with a layer of plastic film, And soak the rooting powder solution for 30s on the slope, the soaking depth is flush with the first section, then insert the Morinda officinalis branches into the cutting seedbed and cultivate them for 35 days, the cutting depth is flush with the first section, and the grafted rootstock is obtained;

[0075] The cutting place of the cutting seedling bed is dug to be provided with cutting slots, the slot spacing of the cutting slots is 20cm, and the cutting spacing is 10cm;

[0076] (b) scion grafting: the Noni scion is grafted on...

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Abstract

The invention provides a cold-resistant and insect-resistant Noni seedling and its cultivation method and application, and relates to the technical field of tropical plant seedling cultivation. The cold-resistant and insect-resistant Noni seedling mainly uses Morinda officinalis as rootstock to graft Noni scion be made of. Huangmu Morinda officinalis is a local wild plant in Xishuangbanna. It has strong adaptability to the local ecological environment, and its distribution range is higher than that of noni. It is used as a rootstock to cultivate noni seedlings. Its pest resistance and ecological adaptability are significantly improved compared with conventional ones. Therefore, the noni seedlings of the present invention not only have the technical effect of resisting insect pests, but also can adapt to the climate in Yunnan, my country. Good service for the development of noni industry.

Description

technical field [0001] The invention relates to the technical field of tropical plant seedling cultivation, in particular to a cold-resistant and pest-resistant noni seedling and a cultivation method thereof. Background technique [0002] Noni (Morida citrifolia Linn) is a perennial shrub or small tree of Rubiaceae (Rubiaceae) Morinda (Morinda). It is a tropical evergreen coastal plant. It is native to tropical islands in the Pacific Ocean and Australia. It is distributed in Hainan and Xisha in my country. Islands, Taiwan and other places. Noni contains a variety of essential amino acids, vitamins, trace elements and other effective nutritional or medicinal ingredients. Modern pharmacological experiments have revealed that noni has anti-cancer, anti-tumor, blood pressure-lowering, anti-inflammatory and immune-enhancing effects. In addition, the root, bark, leaf and immature fruit all have certain curative effects on diabetes, heart disease, skin disease and wound infection,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01G2/30
CPCA01G17/005
Inventor 岩香甩田耀华龚燕雄原慧芳魏丽萍
Owner YUNNAN INST OF TROPICAL CROPS
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