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Measuring method of vigor of sunflower seeds

A determination method and sunflower technology, applied in germination equipment and other directions, can solve problems such as troublesome acquisition of brick and gravel particles, inability to simulate environmental conditions, single top soil capability of seeds, etc., and achieve accurate prediction of seedling emergence, accurate and reliable results, and simple operation. Effect

Active Publication Date: 2020-06-26
ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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Problems solved by technology

However, the use of this method has certain limitations due to the difficulty in obtaining brick and gravel particles, and it can only reflect the single soil topping ability of seeds and cannot simulate the complex environmental conditions in actual production.

Method used

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  • Measuring method of vigor of sunflower seeds
  • Measuring method of vigor of sunflower seeds
  • Measuring method of vigor of sunflower seeds

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Embodiment 1

[0025] 1. Plant material

[0026] Sunflower (Helianthus annuus L.) Five sunflower varieties 'S150', 'S154', 'S167', 'S189' and 'S195' were used as test materials, and each sunflower variety had 3 seed samples with vigor gradients, a total of 15 A sample of sunflower seeds.

[0027] (1) Sow the sterilized sunflower seeds evenly in the germination box with wet coarse sand at the bottom, then cover the sunflower seeds with qualitative filter paper, cover the qualitative filter paper with a layer of surface wet coarse sand, and then place the germination box Cultured at 13°C for 2 days;

[0028] (2) Take out the germination box cultivated in step (1), put it under the condition of 24-26°C to carry out the germination test, after 4-5 days of germination, count the germination rate of sunflower seeds through the paper, and measure the sunflower seeds according to the germination rate of the sunflower seeds through the paper vitality.

[0029] 2. Low temperature treatment + paper ...

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Abstract

The present invention discloses a measuring method of vigor of sunflower seeds. The method comprises the following steps: uniformly sowing disinfected sunflower seeds in a germination box with wet coarse sand at a bottom part, then covering the sunflower seeds with qualitative filter paper, then covering a layer of wet coarse and on the qualitative filter paper, and then placing the germination box in a condition of 13 DEG C for 2 days; and taking out the cultured germination box and placing the germination box in a condition of 24-26 DEG C for a germination test, counting a paper-passing germination rate of the sunflower seeds 4-5 days after germination and measuring the vigor of the sunflower seeds according to the paper-passing germination rate. The measuring method effectively simulates adversity environment of sunflower field emergence by combining a low temperature treatment and a paper-passing germination test. Besides, through a correlation analysis and a regression analysis, the paper-passing emergence rate obtained by the method is extremely significantly related to the seed field emergence rate. The measuring method can accurately predict emergence of the seeds in the field and results are accurate and reliable.

Description

technical field [0001] The invention relates to the technical field of seed detection, in particular to a method for measuring the vigor of sunflower seeds. Background technique [0002] Seeds are the most basic means of agricultural production, and seed quality is the most important factor for seed safety. Improving seed quality is an important guarantee for high-efficiency, high-quality and high-yield agricultural production. Seed vigor is a general term that determines the potential ability of seeds (batches) to emerge quickly and neatly in the field and grow into normal seedlings, and is an important indicator of seed quality. High-vigorous seeds have obvious growth advantages and production potential, and are of great significance for improving seed storage tolerance and field seedling rate, resisting seedling adversity (low temperature, drought, pests and weeds, etc.), saving sowing costs, and increasing crop yield. High-vigorous seeds are an important guarantee for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/02
CPCA01C1/025
Inventor 黄玉韬曹栋栋陈珊宇梅高甫阮关海
Owner ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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