A method for improving the phosphorus uptake rate of rice
An absorption rate, rice technology, applied in the field of plant genetic engineering, can solve problems such as waste of phosphorus fertilizer resources and environmental pollution, and achieve the effects of reducing the application of phosphorus fertilizer, increasing the total surface area of roots, and increasing the total number of roots
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[0062] Example 3. Transgenic rice tolerance to low phosphorus experiment
[0063] 1. Low-phosphorus culture of transgenic rice
[0064] The homozygous transgenic T4 rice was used as the material, and the non-transgenic pair Guangminghui 86 was used as the control. Take plump rice seeds, soak them at room temperature, put them in a 30°C incubator for 2 days to accelerate germination after 2 days, and after the seeds germinate, move the seedlings into medium containing 1 / 2 MS for 5 days. The seedlings with a height of about 5 cm are moved into a soilless culture box with quartz sand as a matrix containing liquid medium with different phosphorus concentrations for cultivation. The cultivation box is placed in a rainproof, ventilated and sunny plastic greenhouse. The quartz sand was pre-soaked with dilute hydrochloric acid for 5 days, and then rinsed with deionized water several times to wash off the hydrochloric acid and measure the pH value. During the cultivation period, th...
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