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A method for increasing iron content in tomato fruit

A technology of iron content and tomato, applied in the research field of tomato fruit quality, can solve the problem of low iron content, achieve the effect of increasing iron content, shortening time, and improving nutritional quality

Active Publication Date: 2021-03-02
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a simple and economical method for increasing the iron content in tomato fruits, thereby improving the problem of low iron content in existing tomato fruits, providing people with more dietary iron, and further catering to the needs of the human body for iron elements

Method used

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  • A method for increasing iron content in tomato fruit
  • A method for increasing iron content in tomato fruit
  • A method for increasing iron content in tomato fruit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1: Observation of the effect of supplementing red light at night on the iron absorption capacity of tomato plants, specifically comprising the following steps:

[0026] The tomato varieties used in the experiment were wild-type Moneymaker and the red light receptor mutant phyB. The seeds were sown in 50-well plug trays filled with pure vermiculite medium, with one seed per hole. After emergence, water according to the water content of the substrate to keep the substrate moist. When the three leaves of the seedlings are in one center, remove the seedlings, clean them and put them into Hoagland's nutrient solution.

[0027] 1. Under normal conditions, the growth environment of the wild type and phyB mutants is 25°C during the day, 20°C at night, 8 hours of light, and 300 μmol m -2 the s -1 .

[0028] 2. The wild type and phyB mutants supplemented with light were supplemented with red light with a wavelength of 660nm after 8 hours of normal light, and the supp...

Embodiment 2

[0037] Embodiment 2: Carry out red light supplement treatment to tomato plant at night, specifically comprise the following steps:

[0038] The tomato varieties used in the experiment were wild-type Moneymaker and the red light receptor mutant phyB. The seeds were sown in 50-well plug trays filled with pure vermiculite medium, with one seed per hole. After emergence, water according to the water content of the substrate to keep the substrate moist. When the seedlings have three leaves and one heart, they will be transplanted into the nutrient pot.

[0039] 1. Transplant the tomatoes in the nutrient bowl into the greenhouse.

[0040] 2. Install the LED light equipment with 660nm red light wavelength on the top of the tomato plant, 0.4-0.8 meters away from the crown.

[0041] 3. Supplement light for 6 hours at night, and the light intensity is 20μmol·m -2 ·s -1 , which lasts until the fruit is harvested.

[0042] 4. Pick ripe tomato fruits about 50 days after flowering, and ...

Embodiment 3

[0046] Embodiment 3: Supplementing different intensities of red light to tomato plants at night, specifically comprising the following steps:

[0047] The tomato variety used in the experiment was wild-type Moneymaker, and the seeds were sown in 50-hole trays filled with pure vermiculite medium, with one seed per hole. After emergence, water according to the water content of the substrate to keep the substrate moist. When the seedlings have three leaves and one heart, they will be transplanted into the nutrient pot.

[0048] 1. Transplant the tomatoes in the nutrient bowl into the greenhouse.

[0049] 2. Install the LED light equipment with 660nm red light wavelength on the top of the tomato plant, 0.4-0.8 meters away from the crown.

[0050] 3. Supplement 10 μmol·m at night -2 ·s -1 , 20μmol·m -2 ·s -1 , 30μmol·m -2 ·s -1 , 50μmol·m -2 ·s -1 The intensity of the red light lasts for 4-6 hours until the fruit is harvested.

[0051] 4. For the ripe tomato fruit about 5...

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Abstract

The invention discloses a method for increasing iron content in tomato fruit. The method comprises: irradiating tomato plants with red light LED light source at night to supplement light, and the intensity of red light is 10‑50 μmol m ‑2 the s ‑1 . The method of the present invention uses red-emitting LEDs and the like to supplement light to plants at night, thereby inducing the expression of the gene FER related to iron absorption in tomato, and improving the enzyme activity of ferric reductase (FCR) in the tomato root system, thus improving the absorption of iron in the soil by tomato. Absorbability, resulting in tomato fruit with higher iron content. The method of the present invention adopts moderate light supplement at night, improves the nutritional quality of tomato fruit, enables people to obtain more dietary iron from vegetables, and has better potential application value. Fruit quality provides a theoretical basis for molecular mechanisms.

Description

technical field [0001] The invention belongs to the research field of tomato fruit quality, and in particular relates to a method for increasing iron content in tomato fruit. Background technique [0002] Tomato (Solanum lycopersicum L.) belongs to the Solanaceae crop, an annual or perennial herb of the genus Tomato, native to South America, and is a widely cultivated vegetable in the world. Tomato fruit is rich in nutrients and has a special flavor. It is suitable for daily raw food, cooking or processing into tomato sauce as a seasoning agent, and there is a large demand on the dining table. However, compared with other vegetables, although tomato is rich in vitamins, lycopene, etc., but the iron content is low, it is difficult to meet the body's demand for iron. [0003] Proper iron accumulation levels are not only important for many physiological processes in plants, but also crucial for human health. Iron is an essential nutrient in the human diet, and anemia can res...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G7/04A01G22/05A01G31/00
CPCA01G7/045A01G31/00A01G22/05Y02P60/14
Inventor 周艳虹徐进国志信喻景权
Owner ZHEJIANG UNIV
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