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Method for solving only blooming but no bearing of psidium guajave

A technology of flowering and fruiting, guava, applied in the fields of application, cultivation, agriculture, etc., can solve the problems of less fruit, unreal flowers, etc., and achieve the effect of improving fruit setting rate, fruit quality, and fruit quality.

Inactive Publication Date: 2017-05-10
金冠华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a solution to the problem that guava plants (especially white-fleshed guava varieties such as pearl guava) that appear in the above-mentioned guava producing areas only bloom but do not bear fruit. , not only completely solved the above-mentioned problem of "flowers but not fruit" of guava plants and few fruits, but also greatly improved the quality of guava fruit produced

Method used

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  • Method for solving only blooming but no bearing of psidium guajave

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Effect test

Embodiment 1

[0026] Artificial pollination was performed on the pearl guava plants that only bloomed but did not bear fruit in Gaoming District, Foshan City, Guangdong Province. The method is as follows: the flowers that open on the day of artificial pollination on the guava plants that are grown locally and can normally bear fruit are selected for pollination. The pollen in the picked flowers is directly inoculated on the style of the flowers of the pearl guava plants that set the fruit, and the number of artificial pollination of each flower is guaranteed to be in the range of 30-60 flowers.

Embodiment 2

[0028] Artificial pollination was performed on the same pearl guava plants as in Example 1 which only bloomed but did not bear fruit. The method is as follows: in the artificial pollination process, the flower buds on the guava plants that can normally bloom and bear fruit are selected for pollination.

[0029] Specific steps:

[0030] Step 1, picking the flower buds on the guava plants that can normally bloom and bear fruit within 24h before artificial pollination;

[0031] Step 2, place the flower buds in step 1 in a storage room with a humidity greater than 75% and a temperature range of 28-32°C without sunlight for storage;

[0032] Step 3, during manual pollination, take out the flower buds stored in step 2, tear off the top of the flower bud, and extend the style on the flower of the plant to be pollinated from the top of the flower bud to complete the pollination work.

[0033] The number of artificial pollination of each flower bud is 60-100.

Embodiment 3

[0035] Artificial pollination was performed on the same pearl guava plants as in Example 1 which only bloomed but did not bear fruit. The method is as follows: collect the flowers on the guava plants that can open the next day and can normally bloom and bear fruit, and store them in a space without sunlight with a humidity greater than 75% and a temperature range of 30 °C. After 24 hours, take out the stored flower buds and then Collect pollen, put the collected pollen in a brown airtight glass bottle, store it at an ambient temperature of 20°C, and take it out for artificial pollination. Flowers on non-fruiting pearl guava plants were artificially pollinated using stored pollen.

[0036] In Examples 1-3, the pollination time was selected between 6:00 and 12:00 in the morning. Moreover, the pollinated flowers are covered with small paper bags to cover them. The guava plants that can normally flower and bear fruit selected in Examples 1-3 are locally grown and have already pr...

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Abstract

The invention discloses a method for solving the only blooming but no bearing of psidium guajave, and flowers of the only blooming but no bearing psidium guajave are subjected to artificial pollination; the pollen selected in the artificial pollination process uses pollen of the flowers of the psidium guajave which can bloom and bear normally. With the adoption of the method, the problems of blooming but no bearing and few fruiting of the psidium guajave plants are solved, and at the same time, the quality of the psidium guajave fruit is improved greatly. Further the method can be used for improving psidium guajave plants with poor fruit taste and light flavor.

Description

technical field [0001] The invention belongs to the technical field of agricultural planting, and in particular relates to a method for solving the problem that guava only blooms but does not bear fruit. Background technique [0002] Guava (Psidium guajava L.), also known as guava, chicken vector fruit, Myrtaceae (Myrtaceae), Guava (Psidium), evergreen perennial shrubs. Guava is a tropical fruit tree with strong adaptability. It is native to the tropical regions of America and has been introduced to my country for more than 300 years. The main provinces where guava is introduced and cultivated in my country are Guangdong, Guangxi, Fujian, Hainan, Taiwan, and some places in Yunnan, Guizhou and Sichuan are also cultivated. The guava tree is more than 5 meters high, the trunk is not very erect, the bark is thin and yellowish brown or russet, and the old bark is thin glass and smooth. Its branches near the ground, the young branches are quadrangular, the old branches gradually...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00
CPCA01G17/005
Inventor 金冠华陈光明
Owner 金冠华
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