Culturing method of high-zinc nutrient high-grade rice

A cultivation method and rice technology, applied in the directions of botanical equipment and methods, application, plant genetic improvement, etc., can solve the problems of high measurement cost and low zinc-rich rice, achieve simple method, increase added value, and benefit human health. Effect

Inactive Publication Date: 2009-09-16
ZHEJIANG UNIV
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AI Technical Summary

Problems solved by technology

However, there are few studies on the genetic breeding of high-zinc rice, mainly targeting special rice and brown rice. There are few analysis reports on ordinary rice and polished rice, and most of the actual research and individual products are to improve the zinc in rice by changing cultivation measures. content
In addition, in the process of improving the micronutrient zinc content, we should pay attention to its quality traits and characteristic traits at the same time, and cultivate a new type of rice that is not only beneficial to human health, but also delicious. There are no research reports at home and abroad.
In addition, the breeding of high-zinc rice requires continuous multi-generation and large-scale breeding population analysis, and the determination cost is high. It is necessary to research and develop indirect methods that are convenient for breeding

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1: Breeding HiZincR08-1 high-quality rice with high-zinc nutrition from various variety resources

[0021] Has collected and introduced 736 domestic and foreign rice variety resources. In Hangzhou in the summer of 2006, according to conventional methods of planting and management, 729 rice materials with normal firmness and full grains were selected and kept; the selected rice materials were selected, and an appropriate amount of seeds were reserved for future use. Refer to Levent Ozturk et al. (Concentration and localization of zinc during seed development and germination in wheat.Physiologia Plantarum, 2006, 128: 144-152) for primary screening of mature seeds by diphenylthiocarbazone staining. Before slicing, pre-soak for 1 hour, then slice vertically and horizontally, immerse in diphenylthiocarbazone solution for 30 minutes, rinse with water and blot dry with filter paper, then quickly place the sample on a glass slide, upward, and use a microscope Observed....

Embodiment 2

[0022] Example 2: High-zinc nutrition and high-quality rice "Lilizi" from mutagenic mutant plants

[0023] Using my country's high-quality late japonica rice ZF04-01 as material, after 250Gy cobalt-60 radiation mutagenesis treatment, the second generation of mutagenesis containing more than 20,000 plants was constructed in 2005. Hangzhou in the autumn of 2006, planted and managed according to conventional methods, planted 3000 of the second-generation mutant plants, and selected 2987 rice materials with normal firmness and full grains; take the above rice materials and keep appropriate amount of seeds for future use, refer to Levent Ozturk et al. (Concentration and localization of zinc during seed development and germination in wheat. Physiologia Plantarum, 2006, 128: 144-152) was used for primary screening of seeds by diphenylthiocarbazone staining. Before slicing, pre-soak for 1 hour, then slice longitudinally, immerse in diphenylthiocarbazone solution for 30 minutes, rinse ...

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Abstract

The invention discloses a culturing method of high-zinc nutrient high-grade rice, including: collecting rice material, planting and managing in a normal method, selecting beefy and plump rice material, originally screening by using the seed diphenylthiocarbazone staining method to obtain the material with red incision, preparing fine rice powder, determining the content of zinc in the rice, selecting the rice with the zinc content of over 25 mg/kg; shelling by a sheller, selecting the rice with transparency appearance and little chalkiness, testing the physical and chemical quality, selecting the rice with the amylase content of 15% to 25% , the jelly consistency of over 60 mm and the alkali spreading value of over 5 grade, continuing to plant and reproduce, evaluating the stability of high-zinc nutrition and high-grade inherited characteristic to obtain the high-zinc nutrient high-grade rice. The rice cultured according to the invention is nutrient and high-grade, has simple method and lower cost, and is convenient for the screening use in the breeding of large group.

Description

technical field [0001] The invention relates to a method for cultivating rice with high zinc nutrition and high quality. Background technique [0002] Zinc is a micronutrient necessary for human physiology, and its content in the body is very small, but it plays a very important role in human life and health, especially closely related to children's intelligence, growth and development, anti-aging and human immune function. [0003] Nearly 50% of the world's population is affected by micronutrient deficiencies such as zinc, iron, and vitamin A, and this trend is still intensifying. Micronutrients have become an important global factor affecting human health. Rice is the staple food of 2 / 3 of the world's population, and it is also the main source of nutrition and energy for people in my country, Southeast Asia and South Asia. 61% of the population in Asia has the risk of insufficient zinc intake. Nearly 800,000 children worldwide die from zinc deficiency every year. Therefo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/04
Inventor 吴殿星舒小丽韩娟英周冠华
Owner ZHEJIANG UNIV
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