Jackfruit tree pollen solution, preparation method thereof and hand pollination method

A technology for pollen liquid and jackfruit is applied in the field of jackfruit fruit tree pollen liquid and its pollination, which can solve the problems affecting the commercial fruit rate and economic benefit of jackfruit plantations, low germination rate of jackfruit pollen, and difficulty in collection, and achieves prevention and control of deformed jackfruit fruit. Problems occur, improve stigma receptivity, and improve the effect of pollen germination rate

Inactive Publication Date: 2018-01-12
GUANGDONG OCEAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some jackfruit plants have almost no normal fruit shape, which seriously affects the commercial fruit rate and economic benefits of jackfruit plantations
[0004] After continuous exploration, the inventor found that the main reason for the abnormal fruit of jackfruit is that the pollination and fertilization are uneven and incomplete.
[0005] Existing artificial pollination technology for fruit trees mainly adopts natural drying to collect pollen, rubber tip flowers, etc., but the pollen grains of jackfruit are very small, and the pollen grains are bonded to each other, so it is difficult to collect with the existing technology; in addition, the germination rate of jackfruit pollen is low, and the room temperature quickly lose vitality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1: The jackfruit fruit tree variety is "Haida No. 2", the planting area is 5 mu, and the pollination tree variety is "Haida No. 3"

[0034] (1) Preparation of pollen solution: Dissolve sucrose, anhydrous calcium chloride, and boric acid in water to obtain pollen germination nutrient solution; place male inflorescences in pollen germination nutrient solution, vortex for 2 min, and mix evenly to obtain pollen liquid.

[0035] The composition of pollen liquid is as follows:

[0036] Sucrose 10% by mass

[0037] Anhydrous calcium chloride 1% by mass

[0038] Boric acid 1.2 mass

[0039] water balance mass

[0040] Male inflorescence 60% by volume.

[0041] Described male inflorescence is preferably free from diseases and insect pests, has the male inflorescence of 1 / 3 anther dehiscence on the pollination tree plant of normal shape;

[0042] The male inflorescences are used after being placed in a dry environment for 12 hours;

[0043] (2) Artificial pollin...

Embodiment 2

[0045] Embodiment 2: The jackfruit fruit tree variety is "Haida No. 2", the planting area is 5 mu, and the pollination tree variety is "Haida No. 3"

[0046] (1) Prepare pollen solution: dissolve sucrose, anhydrous calcium chloride, and boric acid in water to obtain pollen germination nutrient solution; place male inflorescences in pollen germination nutrient solution, vortex for 1 min, and mix evenly to obtain pollen liquid.

[0047] The composition of pollen liquid is as follows:

[0048] Sucrose 20% by mass

[0049] Anhydrous calcium chloride 5% by mass

[0050] Boric acid 5% by mass

[0051] water balance mass

[0052] Male inflorescence 45% by volume.

[0053] Described male inflorescence is preferably free from diseases and insect pests, has the male inflorescence of 1 / 4 anther dehiscence on the pollination tree plant of normal shape;

[0054] The male inflorescences are used after being placed in a dry environment for 10 hours;

[0055] (2) Artificial pollination...

Embodiment 3

[0057] Embodiment 3: The jackfruit fruit tree variety is "Haida No. 2", the planting area is 5 mu, and the pollination tree variety is "Haida No. 3"

[0058] (1) Prepare pollen solution: Dissolve sucrose, anhydrous calcium chloride, and boric acid in water to obtain pollen germination nutrient solution; place male inflorescences in pollen germination nutrient solution, vortex for 1.5 min with a vortex instrument, and mix evenly to obtain pollen liquid.

[0059] The composition of pollen liquid is as follows:

[0060] Sucrose 15% by mass

[0061] Anhydrous calcium chloride 3% by mass

[0062] Boric acid 2% by mass

[0063] water balance mass

[0064] Male inflorescence 52% by volume.

[0065] Described male inflorescence is preferably free from diseases and insect pests, has the male inflorescence of 1 / 2 anther dehiscence on the pollination tree plant of normal shape;

[0066] The male inflorescence is used after being placed in a dry environment for 11 hours;

[0067] (...

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PUM

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Abstract

The invention relates to a jackfruit tree pollen solution and a preparation method and application thereof. The pollen solution is prepared from sucrose, anhydrous calcium chloride, boric acid, waterand male inflorescence. When the jackfruit tree pollen solution is used for hand pollination, the pollen solution prepared on the same day is poured into a sprayer, and is sprayed onto female inflorescence showing on stigma at 8-10am or 4-6pm and is sprayed again the next day. The pollen solution can improve the pollen germination rate and stigma receptivity; in preparation of the pollen solution,a vortex washing method is adopted due to small but sticky jackfruit pollen particles, and the method can collect enough jackfruit pollen particles. When being used for hand pollination, the jackfruit tree pollen solution can prevent malformed jackfruits effectively, and the commercial fruit rate reaches up to 95% or more.

Description

technical field [0001] The invention relates to a jackfruit fruit tree cultivation technique, in particular to a jackfruit fruit tree pollen liquid and a pollination method thereof for reducing the probability of deformed jackfruit fruit. Background technique [0002] Jackfruit, also known as tree pineapple, jackfruit, and tripe fruit, is a plant of the genus Jackfruit in the family Moraceae. It is a rare fruit in the tropics and south subtropics of my country. Its fruit is large and fragrant, the flesh is crisp and sweet (dry bud), and its flavor is unique, so it is very popular among consumers. In addition to being eaten fresh, the fruit can also be used for cooking, drying or making preserves; the seeds can be used as woody food; the plants are resistant to barrenness, extensive management, early results, high yield, and have very broad industrialization prospects. The planting area in places such as China, Guangxi and Hainan continues to expand. [0003] With the conti...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01N59/14A01N59/08A01N43/16A01P21/00
Inventor 李映志叶春海余庆吕庆芳
Owner GUANGDONG OCEAN UNIVERSITY
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