Method for promoting budding

A seed and crop technology, applied in the field of promoting seed germination, can solve the problems of not being able to meet the growth period of crops, accelerate the rate of soil moisture loss, strong wind and temperature rise, etc., to improve water use efficiency, increase uniformity of emergence, and reduce accumulated temperature Effect

Inactive Publication Date: 2009-03-18
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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Problems solved by technology

The soil temperature rises rapidly in spring, and the windy weather accelerates the rate of soil moisture loss, and crop seeds are often planted in water, but the strong wind and temperature increase lead to serious evaporation
Therefore, under the condition of limited irrigation, spring drought directly restricts the establishment of seedlings, so that the expected yield cannot be achieved, causing serious economic losses.
In order to avoid the negative effects of "spring drought", farmers often avoid dry weather and delay the sowing date, but this practice cannot meet the growth period of crops, especially late-maturing varieties

Method used

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specific Embodiment approach 1

[0008] Specific embodiment one: the method for entering crop seed germination in the present embodiment is as follows: 1. Seed moisture absorption: 1 to 5 days before planting in spring, under room temperature, the crop seed is immersed in the water with the water surface higher than the seed 1cm of the crop to absorb water 19h~42h; 2. Seed back drying: air-dry the saturated crop seeds naturally to the original size of the seeds and stop.

[0009] In step 1 of this embodiment, the seeds absorb water to saturation, that is, stop absorbing water when the seed coat at the radicle is slightly cracked; in step 2, the natural air-drying time is 19h-49h.

specific Embodiment approach 2

[0010] Embodiment 2: This embodiment differs from Embodiment 1 in that the crop seeds are corn seeds, the water absorption time in step 1 is 42 hours, and the air-drying time in step 2 is 49 hours. Others are the same as in the first embodiment.

[0011] The corn seeds treated by the method of this embodiment and the corn seeds not treated by the method of this embodiment are planted in the soil for about 25 days under the condition that the soil water content is 5%, and when the first leaf age is reached, the method of this embodiment is adopted The corn seed of processing and the comparison of the seedling root system characteristics of the corn seed not processed through the present embodiment method are as table 1:

[0012] Table 1

[0013]

[0014] As can be seen from Table 1, under severe drought conditions, the seedlings of the corn seeds treated by the method of the present embodiment are greatly improved than the seedling root characteristics of the seeds of the c...

specific Embodiment approach 3

[0020] Embodiment 3: The difference between this embodiment and Embodiment 1 is that the crops are soybean seeds, the water absorption time in step 1 is 19 hours, and the air-drying time in step 2 is 19 hours. Others are the same as in the first embodiment.

[0021] The soybean seeds processed by the method of this embodiment and the soybean seeds not processed by the method of this embodiment are planted in the soil for about 25 days under the condition that the soil moisture content is 5%, and when the first leaf age is reached, the method of this embodiment is adopted The soybean seed of processing and the comparison of the seedling root system characteristics of the soybean seed not processed by the present embodiment method are as table 3:

[0022] table 3

[0023]

[0024] As can be seen from Table 3, under the condition of severe drought, the seedlings of the soybean seeds treated by the method of the present embodiment are greatly improved than the seedling root ch...

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Abstract

The invention relates to a method for promoting seeds to sprout and solves the problem that the spring drought confines the seedling establishment. The method comprises the following steps: (1) seed moisture absorption: before 1-5 days of spring planting, seeds are immersed in water, with the surface lcm below the water surface, for the moisture absorption of 19-42h under the room temperature; (2) seed drying: the saturated seeds are dried naturally to the original size. Under the condition that the soil water content is 5 percent, the seedling radicle length, the root cap length and the lateral root number of the seeds treated through the method are longer than seed seedlings which are not treated. Compared with the root total biomass of the seedlings of the seeds which are not treated, the root total biomass of the seedlings of the seeds which are treated through the method is 114.35 plus or minus 5.97a. Therefore, the seedlings of the seeds which are treated through the method can grow healthily under drought condition.

Description

technical field [0001] The invention relates to a method for promoting seed germination. Background technique [0002] Soil moisture is a prerequisite for crop seed germination. However, in the temperate semi-arid climate zone of Northeast China, crop planting is often accompanied by drought. The temperate semi-arid climate zone in Northeast China has an annual precipitation of 300-500mm, with an average of 419.8mm. The soil temperature rises rapidly in spring, and the windy weather accelerates the rate of soil moisture loss, and crop seeds are often planted in water, but the strong wind and temperature increase lead to serious evaporation. Therefore, under the condition of limited irrigation, spring drought directly restricts the establishment of seedlings, so the expected yield cannot be achieved, resulting in serious economic losses. In order to avoid the negative effects of "spring drought", farmers often avoid dry weather and delay the sowing date, but this practice ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/02
Inventor 田雨周道玮
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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