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Method for breeding sorgo seeds

A sweet sorghum seed technology, applied in the field of sweet sorghum seed propagation, can solve the problems of insufficient input of organic fertilizer, low yield, unbalanced soil nutrient ratio, etc.

Active Publication Date: 2016-06-29
RES INST OF GANSU DUNHUANG SEED CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Gansu Province has a unique natural environment advantage. In recent years, the planting area of ​​sweet sorghum has stabilized at about 1 million mu. The sweet sorghum industry has developed into one of the pillar industries for enterprises to increase efficiency and farmers to increase income. The problems are: ⑴Sweet sorghum seed propagation technical regulations are not perfect, and the yield is low and unstable; ⑵The breeding of new sweet sorghum hybrid varieties lags behind, and there is a lack of lodging-resistant varieties with high sugar content; Unbalanced proportion, deterioration of soil physical and chemical properties; (4) increase of harmful organisms, decrease in yield and quality of sweet sorghum

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A kind of sweet sorghum seed propagation method of embodiment 1, comprises the following steps:

[0024] ⑴ Determine the breeding base:

[0025] Choose an altitude of 1350~1650m, an annual average temperature of 6.50~7.50℃, an annual precipitation of 150~250mm, an annual evaporation of 1800~2200mm, a frost-free period of 140~160 days, and the sunshine hours from April to September are 1250~1800 hours, the soil in the area with an accumulated temperature greater than 10°C and 2800~3400°C is used as a breeding base. At the same time, the breeding base is set up with an isolation area. Planting of sorghum plants is prohibited within 500m of the isolation area, and the temperature of the tasseling period is 18~ 24°C, and the temperature during the grouting period is 14-19°C.

[0026] in:

[0027] The soil types are fluvo-aquic soil, salinized fluvo-aquic soil, irrigated desert soil, tidal irrigated desert soil, salinized irrigated desert soil, dark irrigated desert soil, ...

Embodiment 2

[0043] A kind of sweet sorghum seed propagation method of embodiment 2 comprises the following steps:

[0044] ⑴ Determine the breeding base:

[0045] Choose an altitude of 1350~1650m, an annual average temperature of 6.50~7.50℃, an annual precipitation of 150~250mm, an annual evaporation of 1800~2200mm, a frost-free period of 140~160 days, and the sunshine hours from April to September are 1250~1800 hours, the soil in the area with an accumulated temperature greater than 10°C and 2800~3400°C is used as a breeding base. At the same time, the breeding base is set up with an isolation area. Planting of sorghum plants is prohibited within 500m of the isolation area, and the temperature of the tasseling period is 18~ 24°C, and the temperature during the grouting period is 14-19°C.

[0046] in:

[0047] The soil types are fluvo-aquic soil, salinized fluvo-aquic soil, irrigated desert soil, tidal irrigated desert soil, salinized irrigated desert soil, dark irrigated desert soil, g...

Embodiment 3

[0063] A kind of sweet sorghum seed propagation method of embodiment 3, comprises the following steps:

[0064] ⑴ Determine the breeding base:

[0065] Choose an altitude of 1350~1650m, an annual average temperature of 6.50~7.50℃, an annual precipitation of 150~250mm, an annual evaporation of 1800~2200mm, a frost-free period of 140~160 days, and the sunshine hours from April to September are 1250~1800 hours, the soil in the area with an accumulated temperature greater than 10°C and 2800~3400°C is used as a breeding base. At the same time, the breeding base is set up with an isolation area. Planting of sorghum plants is prohibited within 500m of the isolation area, and the temperature of the tasseling period is 18~ 24°C, and the temperature during the grouting period is 14-19°C.

[0066] in:

[0067] The soil types are fluvo-aquic soil, salinized fluvo-aquic soil, irrigated desert soil, tidal irrigated desert soil, salinized irrigated desert soil, dark irrigated desert soil, ...

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Abstract

The invention relates to a method for breeding sorgo seeds. The method comprises the following steps of (1) determining a breeding base; (2) determining water quality standards for farmland irrigation; (3) determining crops for rotation; (4) mixing diammonium phosphate, urea, potassium sulfate, zinc sulfate, manganese sulfate and ammonium molybdate in combination with tillage, applying 0 to 20 cm of soil layer, and ploughing levelly 5 to 7 days after winter water irrigation in every autumn; (5) covering mulching film after ploughing and soil preparation in the period of April 15th to April 25th of the next year; (6) when earth temperature of 5 cm deep is continuously stabilized to 10 DEG C, performing rectilinear seeding in the manners with a male parent plant spacing of 18 cm, a female parent plant spacing of 15 cm, a row spacing of 45 cm, a row ratio of 3:6 and a seeding depth of 2 to 3 cm, wherein a seeding sequence is according to a sequence of sterile line, first-phase maintainer line and second-phase maintainer line; (7) performing field management; (8) preventing diseases and pests; (9) harvesting, airing, and turning over once every five days; threshing, selecting, classifying, packaging and storing after the water content of fruit clusters is smaller than 13 percent. The method disclosed by the invention has the advantage that the problems of low yield and unstable yield in the process of breeding the sorgo seeds are effectively solved.

Description

technical field [0001] The invention relates to agricultural production technology, in particular to a sweet sorghum seed propagation method. Background technique [0002] Sweet sorghum, usually refers to the sorghum with a sugar hammer of 16 or more during the harvest period. It is not only a commercial crop, but also an energy crop. A new type of alternative sugar raw material that sugar raw materials are in short supply. Sweet sorghum has the characteristics of drought tolerance, waterlogging tolerance, salt tolerance, lodging resistance, high yield, high sugar, high temperature tolerance, severe cold tolerance, barren tolerance and wide application. [0003] Gansu Province has a unique natural environment advantage. In recent years, the planting area of ​​sweet sorghum has stabilized at about 1 million mu. The sweet sorghum industry has developed into one of the pillar industries for enterprises to increase efficiency and farmers to increase income. It has become increa...

Claims

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Application Information

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IPC IPC(8): A01G1/00
Inventor 闫治斌秦超王学马世军闫富海秦嘉海
Owner RES INST OF GANSU DUNHUANG SEED CO LTD
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