Method for screening variety with high phosphorus utilization efficiency from multiple wheat varieties

A variety, wheat technology, applied in fertilization methods, botanical equipment and methods, applications, etc., can solve problems such as waste of resources, and achieve the effect of simple and easy operation

Inactive Publication Date: 2017-04-26
GANSU AGRI UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, phosphate fertilizer is a non-renewable resource. Increasing the application amount of phosphate fertilizer in order to

Method used

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  • Method for screening variety with high phosphorus utilization efficiency from multiple wheat varieties
  • Method for screening variety with high phosphorus utilization efficiency from multiple wheat varieties
  • Method for screening variety with high phosphorus utilization efficiency from multiple wheat varieties

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0047] 1. Obtain plant seedlings

[0048] From the 16 wheat varieties that need to be screened (see Table 3), wheat varieties that are plump and of the same grain size are selected and placed in petri dishes covered with filter paper, and placed in the light incubator to germinate and root the seedlings. After 5 days, Seedlings with consistent growth were selected as experimental treatment materials. The light time is 12 hours during the day and 12 hours at night, the highest temperature during the day is 32°C, and the lowest temperature at night is 27°C.

[0049] Table 3 Numbers of different wheat varieties

[0050]

[0051] 2. Sand culture primary screening

[0052] From the plant seedlings of each variety, 12 seedlings with consistent growth were selected for the sand culture test. The sand cultivation test container is a 29×19cm plastic pot, and the cultivation medium is composed of sand and vermiculite with a volume ratio of 1:1. with deionized water and KH 2 PO ...

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Abstract

The invention discloses a method for screening variety with high phosphorus utilization efficiency from multiple wheat varieties, comprising the following steps: selecting wheat varieties with same size seeds, putting the wheat varieties into a culture vessel to germinate seedlings with roots, selecting seedlings with consistent growth from the seedlings to divide into two groups, irrigating the seedlings with nutrient solvents with different phosphorus concentrations until the wheat is mature; detecting and calculating the relative plant height, the relative grain number and the relative thousand seed weight of each variety; comprehensively comparing to select several wheat varieties with the highest three indices in general to serve as varieties with the high phosphorus utilization efficiency; germinating the varieties with the high phosphorus utilization efficiency until secondary screened seedlings are rooted, selecting the secondary screened seedlings with consistent growth to divide into two groups, performing hydroponics with nutrient solvents with different phosphorus concentrations, detecting and calculating the relative weight of dry matter, the relative phosphorus content and the relative chlorophyll content of each variety; comprehensively comparing to select a wheat variety with the highest three indices in general to serve as the variety with the relatively highest phosphorus utilization efficiency. The wheat variety screened at the end by the method provided by the invention provides materials for further improving existing varieties and studying the biological property and the physiology and biochemistry mechanism of the existing varieties.

Description

technical field [0001] The invention belongs to the technical field of wheat cultivation and breeding, and in particular relates to a method for screening high-efficiency phosphorus utilization varieties from a plurality of wheat varieties. Background technique [0002] Wheat is a gramineous plant widely planted all over the world. It originated in the Fertile Crescent region of the Middle East. It is one of the earliest cultivated crops in the world. Wheat is rich in starch and protein. It can be ground into flour to make bread, steamed bread, Biscuits, noodles and other foods; after fermentation, it can be made into beer, alcohol, vodka, or biofuel. Wheat is one of the three major grains, and almost all of its production is used for food, and only about one-sixth is used as feed. In 2010, wheat was the food crop with the second largest production in the world (651 million tons), second only to corn (844 million tons). Wheat is also one of the main plants in my country, m...

Claims

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Application Information

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IPC IPC(8): A01H1/04A01G31/00A01C21/00C05G1/00
CPCA01C21/00A01G31/00A01H1/04C05B7/00C05G5/23C05C1/00C05D1/02C05D3/00C05D5/00
Inventor 孟亚雄王化俊任盼荣汪军成姚立荣李葆春马小乐杨轲司二静
Owner GANSU AGRI UNIV
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