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Method for testing influence of shading on photosynthetic characteristics of aesculus chinensis seedlings

A technology of photosynthetic characteristics and testing methods, which is applied in the direction of testing plants/trees, measuring devices, instruments, etc., can solve the problems of low detection sensitivity and high detection cost, and achieve the effect of enhanced protection function and low test

Inactive Publication Date: 2017-09-08
JIANGSU AGRI ANIMAL HUSBANDRY VOCATIONAL COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the deficiencies in the prior art, the present invention provides a test method for the influence of shading on the photosynthetic characteristics of horse chestnut seedlings, which solves the problem that most of the existing test methods for the influence of shading on the photosynthetic characteristics of horse chestnut seedlings have high detection costs. Mainly rely on the experience of the staff, the detection sensitivity is low and other shortcomings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] S1. Selection of test site: choose the transition type from subtropical monsoon humid climate to temperate monsoon climate, cold in winter and hot in summer, the soil is yellow-brown soil, the annual average temperature is 14℃, the coldest month is January, the monthly average temperature is 1.4℃; the hottest month is 1.4℃; The month is July, the monthly average temperature is 27℃, the annual average precipitation is 1000mm, the annual average sunshine hours are 2170h, and the frost-free period is 225d;

[0026] S2. Selection of experimental materials: Seed seedlings of biennial horse chestnut trees, select 10 seedlings with good growth and uniform height, and divide the seedlings into two groups randomly and equally, and carry out natural light and shading treatments respectively;

[0027] S3. Determination of photosynthesis-light response curve: In spring, summer and autumn, choose a sunny and windless period at 9:00 am, and use the automatic light curve program of the...

Embodiment 2

[0033] S1. Selection of test site: choose the transition type from subtropical monsoon humid climate to temperate monsoon climate, cold in winter and hot in summer, the soil is yellow-brown soil, the annual average temperature is 14.5 ℃, the coldest month is January, the monthly average temperature is 1.8 ℃; the hottest month is 1.8 ℃; The month is July, the monthly average temperature is 27.5℃, the annual average precipitation is 1030mm, the annual average sunshine hours are 2175h, and the frost-free period is 230d;

[0034] S2. Selection of experimental materials: Seed seedlings of biennial horse chestnut trees, select 20 seedlings with good growth and uniform height, and divide the seedlings into two groups randomly and equally, and carry out natural light and shading treatments respectively;

[0035] S3. Determination of photosynthesis-light response curve: In spring, summer and autumn, choose a sunny and windless morning - 10:00, use the automatic light curve program of th...

Embodiment 3

[0041] S1. Selection of test site: Select the transition type from subtropical monsoon humid climate to temperate monsoon climate, cold in winter and hot in summer, the soil is yellow brown soil, the annual average temperature is 15°C, the coldest month is January, with an average monthly temperature of 2.2°C; the hottest month is January The month is July, the monthly average temperature is 28°C, the average annual precipitation is 1050mm, the annual average sunshine hours are 2180h, and the frost-free period is 235d;

[0042] S2, the selection of experimental materials: the biennial horse chestnut seedlings are sown, and 30 seedlings with good growth and uniform height are selected, and the seedlings are randomly divided into two groups on average, and natural light and shade treatment are carried out respectively;

[0043] S3, photosynthesis-photoresponse curve measurement: respectively in spring, summer and autumn, during 10:30 in the morning on a sunny and windless day, us...

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Abstract

The invention discloses a method for testing the influence of shading on the photosynthetic characteristics of horse chestnut seedlings. The method is: S1, selection of test site: select the transition type from subtropical monsoon humid climate to temperate monsoon climate, S2, selection of test materials: Two-year-old horse chestnut sows seedlings, selects good growth, S3, photosynthesis-photoresponse curve measurement: utilize photosynthesis system to measure photosynthesis-light response curve, S4, chlorophyll content measurement: select healthy complete leaves and use acetone method to measure and Calculate the chlorophyll content, S5, data processing: compare the significance of the difference (P<0.05), S6, result and analysis: analyze the influence of shading on the leaves of the horse chestnut seedlings, S7, discuss. The test method for the influence of shading on the photosynthetic characteristics of horse chestnut seedlings, horse chestnut seedlings can adapt to a certain degree of shade, this test method only found that horse chestnut seedlings have a certain degree of negative tolerance, the test is low-cost, easy to operate and specific high sex.

Description

technical field [0001] The invention relates to the technical field of detection of photosynthetic characteristics of horse chestnut seedlings, in particular to a method for testing the influence of shading on photosynthetic characteristics of horse chestnut seedlings. Background technique [0002] Horse chestnut is a large deciduous tree of the family Aesculaceae. It has a long history of cultivation. It is a famous ornamental tree species in my country. one. In addition, horse chestnut is also known as cypress tree, and its fruit and seeds are also known as sorrel, rich in aescin, and it is a famous traditional Chinese medicine. With the upgrading of urban landscape projects and the intensification of the development of multi-functional tree species resources, the market demand for horse chestnut seedlings is increasingly strong, and the cultivation and production technology of horse chestnut has received high attention. [0003] Photosynthesis is the basis of plant growt...

Claims

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Application Information

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IPC IPC(8): G01N33/00
CPCG01N33/0098
Inventor 孙燕李成忠周霞李翔
Owner JIANGSU AGRI ANIMAL HUSBANDRY VOCATIONAL COLLEGE
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