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Plant farm paper board seeding method

A cardboard and field technology, which is applied in the field of plant sowing, can solve the problems of large errors in the measurement results of seedling characteristics, uneven seed sowing density, and high labor intensity in the field, so as to achieve basically the same depth of covering soil, reduce test errors, and work The effect of improving efficiency

Inactive Publication Date: 2005-10-26
WUHAN UNIV
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

The main disadvantage of this conventional method is that the seed sowing density is not uniform and the depth of covering soil is not uniform, which leads to large errors in the measurement results of seedling characteristics.
When used in large sample plant groups, the disadvantages of this conventional method are particularly prominent, and the field labor intensity is high, work efficiency is low, and operation time is long, which are also a series of important factors leading to experimental errors.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The specific operation steps of the cardboard sowing method suitable for measuring the field seedling characteristics of plants provided by the invention are as follows:

[0014] 1. Take the bottom board paper (such as ordinary filter paper), and cut the bottom board paper into a size of 10-30×10-30 cm according to the sowing amount and seeding density of each variety (line) in the experimental design (for example, when each rice line is sown with 40 Granules, the density is 1500 grains / m 2 , the base paper can be cut into 15×20cm size).

[0015] 2. After soaking the base paper with water, spread it flat on a porcelain plate or a plastic plate, and then spread the plant seeds neatly on the base paper at equal intervals. According to the different plant species and test requirements, determine whether to soak the seeds and accelerate germination before sowing.

[0016] 3. Cover with 1-2 layers of water-absorbent and soft covering paper (such as roll paper) after sowing...

Embodiment 2

[0019] Embodiment 2: the comparative analysis of cardboard sowing method provided by the present invention and conventional field sowing

[0020] Below by using the example of cardboard seeding method provided by the invention to measure the seedling characteristics of paddy field, further illustrate the main features and innovations of the present invention, only to illustrate the present invention and in no way limit the present invention.

[0021] 1. Adopt 15 recombinant inbred lines (RILs) derived from the "japonica / indica" hybrid combination Lemont / Teqing through "One Grain Pass". For each RIL, 40 normal plump seeds were taken, and the seeds were soaked at 30°C for 36 hours (during which the water was changed twice).

[0022] 2. Cut ordinary filter paper into a size of 15cm×20cm, as the base paper.

[0023] 3. After soaking the base paper in distilled water, place it flat on a porcelain plate.

[0024] 4. Take the soaked seeds, put 40 seeds of each RIL on the wet filter...

Embodiment 3

[0037] Embodiment 3: use the cardboard sowing method provided by the invention to measure the field seedling formation characteristics of large sample groups of rice

[0038] Below by using the cardboard sowing method provided by the invention to measure the example of the field seedling characteristics of large sample groups of rice (Zhang Zhihong, utilizing DNA molecular markers to analyze the genetic basis of rice seed vigor. 2004. Wuhan University doctoral dissertation), further clarify the present invention specialty.

[0039] Adopt 282 recombinant inbred lines (RILs) and their parents derived from "japonica / indica" hybrid combination Lemont / Teqing by "one grain pass", each RIL gets 40 normal plump seeds, adopts the same method in Example 1 Methods The seeds were soaked and sowed by cardboard method. The field design was a randomized block design with 2 repetitions. Each repeated seeding process took about 30 man-hours (6 hours for 5 people).

[0040] Two treatments we...

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Abstract

A paper board method for sowing crops in field includes cutting paper board by needed sizes, thoroughly wetting in with water, equidistance sowing of seeds on wetted paper board, covering them with paper, turning it over, putting a frame on it, filling fine soil in said frame, compacting and removing said frame.

Description

technical field [0001] The invention relates to a plant sowing method, in particular to a cardboard sowing method suitable for measuring the characteristics of plant seedling formation in the field. Background technique [0002] To the mensuration of plant (comprising various crops) field seedling formation characteristic, generally adopt the sowing method (Yamauchi and Winn, Rice seed vigor and seedling establishmentin anaerobic soil.Crop Sci, 1996,36:680- 686; Sthapit and Witsombe. Inheritance of tolerance to chilling stress in rice during germination and plumule greening. Crop Sci, 1998, 38: 660-665), the seeds of the plants to be measured (germinated or not) are directly sown to the pre-arranged On the deck, add soil or rake the deck to cover the seeds into the soil. The main disadvantage of this conventional method is that the seed sowing density is not uniform and the soil covering depth is not uniform, which leads to a large error in the measurement results of the se...

Claims

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Application Information

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IPC IPC(8): A01C7/00
Inventor 章志宏朱英国刘少佳
Owner WUHAN UNIV
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