A non-destructive determination method for watermelon leggy seedlings
A determination method and technology for watermelon seedlings, which are applied in data processing applications, instruments, design optimization/simulation, etc., can solve problems such as poor intuition and unfavorable large-scale detection of seedlings, achieve easy operation, make up for manual empirical judgment, and reduce production. cost effect
Active Publication Date: 2022-02-11
HUAZHONG AGRI UNIV
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[0003] In the process of raising watermelon seedlings, the external morphological indicators such as plant height and stem thickness are generally observed, and whether the watermelon seedlings are overgrown is judged through empirical judgment. Subjective judgment and poor intuition are not conducive to large-scale detection of seedlings.
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[0026] In order to solve the technical problem adopted by the technical solution, the present invention provides a non-destructive judgment method for watermelon leggy seedlings. The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific implementation examples.
[0027] 72-hole plug trays are used for seedling cultivation, and the matrix is prepared in the ratio (volume ratio) of peat (particle size 0-6mm): vermiculite (particle size 2-4mm): perlite (particle size 2-4mm) = 3:1:1. When the watermelon seedlings grew for 13 days, 18 days, and 23 days, 20 seedlings were randomly selected in each of the three growth states, and the phenotype data of watermelon in three periods of one leaf and one heart, two leaves and one heart, and three leaves and one heart were measured. The variety of watermelon seedlings used is 'Mukida Hongxing'.
[0028] Phenotypic parameters including hypocotyl length, roo...
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The invention discloses a non-destructive judgment method for watermelon leggy seedlings. This method is used to judge the watermelon leggy seedlings and normal seedlings. Firstly, the phenotypic parameters of watermelon plug seedlings are obtained, and then the phenotypic data obtained from the measurement are preprocessed to compensate the measurement error, and then the leggy value Z is obtained, and finally according to the The size of the value Z judges the leggy seedlings and normal seedlings, and provides specific judgment rules. The present invention can make up for the deficiency of manual screening through intuitive and quantitative analysis of data. The established non-destructive judgment rules for excessively long seedlings have strong applicability and can be used for watermelon seedlings in various growth stages. The phenotypic data of watermelon seedlings can be obtained through non-destructive measurement methods such as image recognition, so as to realize large-scale intelligent detection of seedlings. The invention can reduce the workload of artificial seedling selection and significantly reduce the production cost.
Description
technical field [0001] The invention belongs to the field of agricultural automation, and in particular relates to a non-destructive judgment method for watermelon leggy seedlings. Background technique [0002] Watermelon occupies a very important position in the world's horticultural production. Since the 1990s, the watermelon industry has entered a stage of rapid growth, and the area of watermelon planting has continued to increase. my country has become the world's largest producer and consumer of watermelon, with an annual output of over 60 million tons of watermelon, and the annual demand for watermelon seedlings is as high as tens of billions. Seedling production enterprises mostly use porous one-piece plug trays as containers for seedling cultivation, and replace soil with artificially mixed substrates. This method saves land resources, is suitable for large-scale production in factories, and is convenient for mechanized operation. However, in the actual productio...
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IPC IPC(8): G06F30/20G06Q10/06G06Q50/02
CPCG06F30/20G06Q10/0639G06Q50/02
Inventor 董万静徐胜勇别之龙李一璞童辉吴宇轩杨子恒
Owner HUAZHONG AGRI UNIV