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Method for improving litchi flowering phase pollination fertilization capacity

A fertilization ability, lychee technology, applied in the directions of botanical equipment and methods, chemicals for biological control, plant genetic improvement, etc., can solve problems such as lack, improve the ability to resist adversity, promote pollination and fertilization, prolong male and female The effect of spending time together

Active Publication Date: 2020-10-09
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The prior art lacks a safe, appropriate and efficient method for improving the pollination and fertilization ability of litchi during flowering in rainy weather

Method used

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  • Method for improving litchi flowering phase pollination fertilization capacity
  • Method for improving litchi flowering phase pollination fertilization capacity
  • Method for improving litchi flowering phase pollination fertilization capacity

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The preparation of embodiment 1 nanometer carbon dioxide composite reagent

[0026] 1. Irradiation treatment of attapulgite

[0027] Attapulgite (ATP) is a kind of nanoclay because of its nanorod structure, large specific surface area and high adsorption capacity. However, ATP nanorods tend to aggregate together to form bundles, which greatly limits the application of ATP. Therefore, in order to improve the dispersion of ATP to increase its performance, HEEB (high-energy electron beam) irradiation is used to separate ATP from each other to form a network structure, so that more nano-TiO2 can be effectively adsorbed on ATP.

[0028] like figure 1 , the SEM observation of the attapulgite after irradiation modification by different irradiation doses found that the unmodified attapulgite was densely distributed in bundles, and after increasing the irradiation dose of 10, 20, 30, 40kGy, in After treatment with 30kGy dose, the fascicular distribution is more uniform than t...

Embodiment 2

[0036] Embodiment 2 Nano-titanium dioxide composite reagent improves the growth of litchi flowers and fruits

[0037]Prepare a certain concentration of nano-titanium dioxide composite reagent (the concentration of the prepared nano-titanium dioxide composite reagent is based on the concentration of nano-titanium dioxide, and the concentration of nano-titanium dioxide is 150, 300, 450, 600, 900mg / L respectively) in the flower buds During the early stage, the whole plant is treated, and the flower spikes are sprayed emphatically, and sprayed until water drops drip. The treatment combination is: (1), the experimental group (clear weather), that is, spraying a certain concentration of nano-titanium dioxide composite reagent: including experimental group 1 to experimental group 5 (the concentration of titanium dioxide in the sprayed nano-titanium dioxide composite reagent is 150 , 300, 450, 600, 900mg / L); (2), the blank control group (clear weather) was sprayed with clear water.

...

Embodiment 3

[0063] Embodiment 3 Nano-titanium dioxide composite reagent improves the effect of artificial pollination of litchi flowering period

[0064] The present embodiment investigates the effect of nano-titanium dioxide composite reagent on the stigma receptivity of pistil after artificial pollination of litchi, and the specific process is as follows:

[0065] Litchi often has no bees to pollinate during the cloudy and rainy flowering period, and artificial pollination is required. The treatment group prepares pollen liquid pollination with the nano-titanium dioxide composite reagent of certain concentration (in the prepared nano-titanium dioxide composite reagent, the concentration of nano-titanium dioxide is respectively 0, 150, 300, 450, 600mg / L); 150mg / L nano-titanium dioxide composite reagent, the quality of nano-titanium dioxide in 1L nano-titanium dioxide composite reagent solution is 150mg, the quality of attapulgite and biochar are 30mg, 7.5mg respectively; the mass concent...

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Abstract

The invention belongs to the technical field of plant cultivation, and discloses a method for improving pollination and fertilization capacity of litchis in a flowering phase, nano titanium dioxide used in the method has the capability of improving pollination and fertilization and also has a photocatalysis effect, so that photosynthesis of the litchis can be improved, and growth of the litchis ispromoted; by adding the auxiliary agent the adhesion of the composite reagent is improved, the composite reagent can enter a plant body more easily to work, and thereby the spraying loss rate is reduced, and the reagent utilization rate is increased; by using the nano-peptide dioxide composite reagent, the flowering time of litchis and the meeting time of male flowers and female flowers can be effectively prolonged; the pollen germination rate, pollen vigor and stigma receptivity are improved, litchi pollination and fertilization are promoted, the photosynthetic capacity of leaves can be promoted, and accumulation of carbohydrates is increased; in addition, the capacity of litchi for resisting low-temperature overcast and rainy or high-temperature drought damage in the flowering phase isenhanced, and the fruit setting rate is increased.

Description

technical field [0001] The invention relates to the technical field of plant cultivation, and more specifically relates to a method for improving the pollination and fertilization ability of litchi in flowering stage. Background technique [0002] Litchi (Litchi chinensis Sonn.) is an evergreen tree belonging to Sapindaceae. Its flowering period is spring and its fruiting period is summer. Litchi cultivation is mostly distributed in southwest, south, and southeast China, among which Guangdong and southern Fujian are cultivated. It is the most prosperous, and the temperature in spring in Guangdong is unstable, and there are many rainy weather, which makes it easy for litchi to encounter bad weather during the flowering period, such as the influence of continuous rainy weather. The rainy weather is too long during the flowering period of litchi. activities, the pollen is difficult to transfer from the male flower to the female stigma, which is not conducive to natural pollinat...

Claims

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Application Information

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IPC IPC(8): A01N59/16A01N25/24A01P21/00A01H1/02
CPCA01H1/02A01N25/24A01N59/16Y02P60/21Y02A40/22
Inventor 苏钻贤陈厚彬董余思陈金香刘明欣陈娇林刘益玲王晗蔡宗渊陈泳彤汤运洲杨胜男陈文琴申济源
Owner SOUTH CHINA AGRI UNIV
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