Flower forcing method for inducing pineapple to bloom

A pineapple and zeolite molecular sieve technology, which is applied in horticultural methods, botanical equipment and methods, chemicals for biological control, etc., can solve problems such as labor-intensive, environmental pollution, and reduced flower-promoting effects, and achieve labor saving, Ease of use

Inactive Publication Date: 2010-09-15
SOUTH SUBTROPICAL CROPS RES INST CHINESE ACAD OF TROPICAL AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the concentration is too low or too high, the flowering effect will be reduced
Moreover, ethephon is a strong acidic water agent, which is corrosive and causes certain pollution to the environment. It is a prohibited product in organic pineapple planting.
[0004] 2. Calcium carbide Dissolved in water, calcium carbide releases acetylene gas to promote pineapple flowering, but acetylene is flammable and explosive when exposed to water, and is extremely unsafe for storage, transportation and use, so it is only used in a few pineapple orchards
[0005] 3. Sodium naphthalene acetate The effect of sodium naphthalene acetate on flower urging is not as good as that of ethephon and calcium carbide. Not only is the budding rate low, but also irregular, and the time from flower urging to bud emergence is longer
Since most pineapple orchards in my country's main pineapple producing areas such as Hainan, Yunnan and Guangxi are built on hillsides, far away from water sources, and need to be carried uphill by hand, it takes a lot of labor to urge flowers with ethylene.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] First put 5A zeolite molecular sieve into a plastic container, the zeolite molecular sieve accounts for one-third of the volume of the plastic container, the plastic container has an air inlet and an air outlet, and each outlet can be quickly sealed, and the ethylene gas is slowly introduced into the plastic container In the process, the zeolite molecular sieve is made to adsorb ethylene to saturation. According to gas chromatography, the ethylene released per gram of molecular sieve within 10 minutes is 0.57 mg, and it is in a stable release state after being exposed to the air for 4 hours. Sealed in a pocket or bottle, it can be stored for a long time; when in use, put 2 molecular sieves (about 0.1g) adsorbed with saturated ethylene into the heart of the pineapple plant to ensure 100% flowering of the pineapple.

Embodiment 2

[0021] On June 15, 2009, the adsorbed saturated molecular sieve was put into the heart of Bali pineapple plants, and 2 capsules were placed in each plant, with 200ppm ethephon and 30ml as the control. The results show that: with molecular sieves, the number of small pineapple fruits (132) and single fruit weight (1189g) are significantly higher than that of the control ethephon (120 small fruits, single fruit weight 1143.83g), and the deformity rate is 0, which is 6% lower than that of the control ;

Embodiment 3

[0023] On September 4, 2009, put the saturated molecular sieve into the heart of the "Bali" pineapple plant, put 2 grains in each plant, and use 200ppm ethephon, 30ml as the control. The results show that: using molecular sieve to promote flowering, the number of small pineapple fruits (129) and single fruit weight (1208.45g) are significantly higher than the control ethephon (118 small fruits, single fruit weight 1045.26g), and the deformity rate is 2%, which is lower than that of the control 8%.

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PUM

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Abstract

The invention relates to a flower forcing method for inducing pineapple to bloom, comprising the following steps of: carrying out saturation adsorption on ethylene gas by using a 5A zeolite molecular sieve; and feeding two 5A zeolite molecular sieves with about 0.05-0.2g at an interior leaf of each pineapple plant to induce the pineapple to completely bloom. Compared with the traditional ethephon flower forcing, the method has the advantages of higher bud extracting rate, the fruit born after the flower forcing is carried out has low aberration rate and the quantity of small fruits and the weight of single fruit are remarkably improved; the method has the advantages of no residue and pollution to the environment, labor force saving and the like; in addition, the flower forcing is also applicable for cultivating organic pineapples.

Description

technical field [0001] The invention relates to a method for promoting flowering of pineapple, in particular to a method capable of conveniently and effectively inducing flower bud differentiation of pineapple. Background technique [0002] Flower forcing is one of the most important production links in the pineapple cultivation process. It can make pineapple bloom neatly, arrange harvest in a planned way, achieve a balanced supply every year, and is conducive to unified management in the field. Perfect flower forcing technology can improve production efficiency and reduce production. cost. There are many methods for promoting flowering of pineapple, such as: using ethephon, calcium carbide, sodium naphthalene acetate, etc. can effectively induce pineapple to flower, but there are shortcomings: [0003] 1. Ethephon Ethephon, also known as dichloroethyl phosphoric acid, slowly releases ethylene when the pH value is above 4.1. It should be diluted 500-2000 times before use. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G7/06A01N25/08A01N27/00A01P21/00
Inventor 刘胜辉孙光明窦美安臧小平张秀梅孙伟生吴青松
Owner SOUTH SUBTROPICAL CROPS RES INST CHINESE ACAD OF TROPICAL AGRI SCI
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