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Agriophyllum squarrosum seed dormancy breaking method

A seed and sand rice technology, applied in the field of desert seed processing and cultivation and domestication, can solve the problems of uneven emergence in the field, slow seed germination speed, long germination cycle, etc. low cost effect

Pending Publication Date: 2019-09-13
HEXI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, in the practice of germination of sand rice, due to the deep dormancy of the seeds, the germination speed of the seeds is slow, the germination cycle is long, the germination is irregular, and the germination rate is too low, resulting in serious lack of seedlings and broken ridges during subsequent field cultivation; If the seeds are dormant during the season, it will cause uneven emergence in the field

Method used

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  • Agriophyllum squarrosum seed dormancy breaking method

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Embodiment approach

[0083] According to a preferred embodiment of the present invention, the water-retaining agent includes the following components by weight:

[0084] Plant straw 100 parts by weight

[0085] Vermiculite powder 15-30 parts by weight

[0086] Hull chaff ash 20~40 parts by weight.

[0087] In a further preferred embodiment, the water retaining agent comprises the following components in weight ratio:

[0088] Plant straw 100 parts by weight

[0089] Vermiculite powder 18-25 parts by weight

[0090] Hull chaff ash 25~35 parts by weight.

[0091] In a further preferred embodiment, the water retaining agent includes the following components in weight ratio:

[0092] Plant straw 100 parts by weight

[0093] Vermiculite powder 20-23 parts by weight

[0094] Hull chaff ash 28~32 parts by weight.

[0095] According to a preferred embodiment of the present invention, the plant straw is one or more of corn straw, rice straw, wheat straw or sorghum straw.

[0096] In a further pref...

Embodiment 1

[0139] In the present embodiment, the dormancy of the sand rice seeds is broken according to the following steps:

[0140] (1) Seed collection and selection: In the middle and late October, semi-mobile sand dunes and beaches around Changcheng Township, Liangzhou District, Wuwei City, Gansu Province (103°4′1″E, 38°7′30″N, 1389m above sea level) , collect the yellow-ripe Artemisia salami plants, pile them up on a tough plastic sheet nearby, and dry them in the sun;

[0141] Use the rolling method to remove the seeds;

[0142] Then, after winnowing, passing through a large sieve of 2.10mm and a small sieve of 1.40mm, the impurities in the seeds are washed out with water to obtain plump, neat and strong clean seeds.

[0143] (2) Seed treatment: soak the seeds in 2% potassium permanganate solution for 30 minutes for disinfection, then rinse;

[0144] Pass the yellow sand through a 0.10mm sieve, then rinse the soluble matter and soil with clean water, and then sterilize at 145°C f...

Embodiment 2

[0151] The method used in this embodiment is similar to that of Example 1, the difference is that:

[0152] In step (1), in the middle and late January, sand rice was collected from semi-mobile sand dunes and beaches in the Tengger Desert of Shapotou, Zhongwei, Ningxia (East longitude 100°26′3″, North latitude 38°57′8″, altitude 1420m) Artemisia plants;

[0153] In step (2), the seeds are soaked in a 25% hydrogen peroxide solution for 25 minutes, so that the germination port is ventilated but the seeds are not damaged;

[0154] In step (3), the germination of the seeds is detected under a constant temperature condition of 25°C.

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Abstract

The invention discloses an agriophyllum squarrosum seed dormancy breaking method. The method comprises following steps: collection, cleaning and selection of seeds and treatment of the seeds. According to the method, the dormancy effect of the agriophyllum squarrosum seeds can be effectively broken, secondary dormancy can be prevented, the germination rate and seed vigor are effectively increased,and the method has a repeated breaking effect on the seeds with different seed sources and dormancy degrees and is simple and easy to operate.

Description

technical field [0001] The invention belongs to the field of desert seed processing and cultivation and domestication, and in particular relates to a method for breaking dormancy of sand rice seeds. Background technique [0002] Shami (Agriophyllum squarrosum) belongs to Chenopodiaceae Chenopodiaceae) Agriophyllum squarrosum (Agriophyllum.Bieb.) annual herbaceous plant, plant height 5 ~ 10cm, the main stem is erect, light green when young, the whole plant is densely covered with branched epidermis, leaves are covered with Needle-shaped leaf ends are spiny, parallel; extremely shortened spikes are oval or elliptical, born in leaf axils, bracts are long ovate, and the ends are also spiny; seeds are oblate, with concave and convex sides, diameter 1 ~2mm, peel film-like. Shami begins to germinate in late April (or early May) when there is sufficient rainfall, and then it is a vegetative growth period. Inflorescences begin to form in early August and a small amount of flowering ...

Claims

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Application Information

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IPC IPC(8): A01C1/00A01C1/08
CPCA01C1/00A01C1/08
Inventor 王进冯起刘蔚梁建忠颜霞谢晓东王琦山
Owner HEXI UNIV
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