Method for quickly measuring branch angles and joint lengths of crops without losses

A technology of branching angle and internode length, applied in measuring devices, instruments, optical devices, etc., can solve problems such as difficulty in correctly analyzing plant type differences of breeding materials

Inactive Publication Date: 2015-03-25
ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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Problems solved by technology

At present, breeders judge the branching angle of rapeseed and the internode length of the main stem only with the naked eye. The internode length is distinguished by long, medium and short, and the branch angle is distinguished by loose, compact and medium. Without quantitative data, it is difficult to be correct Analysis of plant type differences in breeding materials

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  • Method for quickly measuring branch angles and joint lengths of crops without losses
  • Method for quickly measuring branch angles and joint lengths of crops without losses
  • Method for quickly measuring branch angles and joint lengths of crops without losses

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Embodiment Construction

[0017] The specific embodiments of the present invention will be described in detail below in conjunction with the drawings.

[0018] A method for quickly and non-destructively measuring the branch angle and internode length of crops, the method includes the following steps:

[0019] 1. Photo shooting and renaming:

[0020] Take photos of each strain separately during the angle of rapeseed. The equipment used is best with various types of smartphones. The exposure time, sensitivity (ISO), white balance, etc. are manually set and adjusted according to weather conditions. It is best Don't choose automatic. When shooting, the phone should be parallel to the branch angle or the main stem plane as much as possible. Every dozens of materials, the brand number of the field should also be taken in to prevent mistakes. Because the file name of the photo cannot be set by itself, This method uses the batch file renaming software ( figure 2 ), sort according to the shooting time, modify th...

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Abstract

The invention relates to a method for quickly measuring branch angles and joint lengths of crops without losses. The method comprises the following steps that firstly, a picture is taken and is renamed; secondly, the branch angles and the joint length of a stem of the picture are calculated through software, wherein a file of a folder is opened, other files are listed in a table, ranking can be carried out when a table header is clicked, the picture is opened by clicking a line, angles to be calculated are selected, the needed position of a branch is clicked three times, the angles can be obtained, a number is dragged to any position, and after a next picture is clicked, and the result is automatically stored in the Excel table opened at present; the lengths to be calculated are selected, a black strip with the known length is clicked two times, the length of the black strip is calculated, the proportion of the length of the black strip to the actual length is obtained, the position between joints with the distance needing to be calculated is clicked two times, the distance between the joints is worked out, and the actual length of the part between the joints is worked out according to the proportion. By means of the software and the picture taken in a field, lossless measuring can be achieved on the crops in the breeding process for crop breeding people.

Description

Technical field [0001] The invention relates to a method for quickly and non-destructively measuring the branch angle and internode length of crops. Background technique [0002] For example, the branching angle of rape and soybean directly affects the compactness of the plant type, thereby affecting the light intensity of the crop and the loss rate of mechanical harvesting, thereby affecting the crop yield. The internode length of the main stem is directly related to the effective number of branches per plant and lodging resistance. At present, breeders only rely on the naked eye to judge the branching angle of rapeseed and the internode length of the main stem. The internode length is distinguished by long, medium and short, and the branch angle is distinguished by loose, compact and medium. It is difficult to be correct without quantitative data. Analyze the differences in plant types of breeding materials. Summary of the invention [0003] In order to solve the above-mention...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/26G01B11/02
Inventor 林宝刚张冬青余华胜张尧锋华水金
Owner ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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