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Breeding method for glutinous coix

A waxy coix and waxy technology, which is applied in the fields of botanical equipment and methods, seed and rhizome treatment, horticulture, etc., can solve the problems of increased difficulty in germplasm purification and rejuvenation, mixed varieties, slow variety breeding and renewal process, etc. Achieve the effect of purification and rejuvenation, single plant breeding, speeding up the breeding process, and simple and easy technical operation.

Active Publication Date: 2015-08-12
贵州黔西南喀斯特区域发展研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Coix coix belongs to heterogeneous pollination crops (in one flower, when the male flowers are open, the female flowers are already withered), it is very easy to cause mixed varieties, which makes the purification and rejuvenation of germplasm more difficult, and the process of variety selection and renewal is slow

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Select coix germplasm from different sources, select 100-300 mature and plump seeds for each germplasm, peel off the shell and cut the endosperm at the end of the embryo to expose the cross-section of the endosperm, and use iodine reagent (the composition is potassium iodide (KI) 20 mg / mL, elemental iodine (I 2 ) 2 mg / mL) to dye the endosperm section for 5 minutes, wash with water for 3-5 minutes, wash off the floating color, observe the color of the section with the naked eye, and select the seeds with brownish red section for germination and seedling cultivation. The culture substrate is composed of humus and perlite, and the volume ratio is humus: perlite = 6:3, which is uniformly mixed and prepared; after the substrate is mixed, fill it into a plastic seedling tray, fill it to 2 / 3, and use Water the carbendazim solution with a mass fraction of 0.3% to sterilize the matrix, sow 1 seed in each hole and mark it, then sprinkle a thin layer of dry matrix on top of the se...

Embodiment 2

[0020] Select coix germplasm from different sources, select 100-300 mature and plump seeds for each germplasm, peel off the shell and cut the endosperm at the far embryo end, use iodine reagent (the composition is potassium iodide (KI) 20 mg / mL, iodine Simple substance (I 2 ) 2 mg / mL) to dye the endosperm section for 30 minutes, wash it with water for 3-5 minutes, wash off the floating color, observe the color of the section with the naked eye, and select the seeds with a brownish red section for germination and seedling cultivation. The culture substrate is composed of humus and perlite, and the volume ratio is humus: perlite = 5:1, which is uniformly mixed and prepared; after the substrate is mixed, fill it into a plastic seedling tray, fill it to 2 / 3, and use Water the carbendazim solution with a mass fraction of 3% to sterilize the matrix, sow 1 seed in each hole and mark it, then sprinkle a thin layer of dry matrix on top of the seeds (just cover the seeds), add a small a...

Embodiment 3

[0022] Select coix germplasm from different sources, select 100-300 mature and plump seeds for each germplasm, peel off the shell and cut the endosperm at the far embryo end, use iodine reagent (the composition is potassium iodide (KI) 20 mg / mL, iodine Simple substance (I 2 ) 2 mg / mL) to dye the section of endosperm for 10 minutes, wash it with water for 3-5 minutes, wash off the floating color, observe the color of the section with the naked eye, and select the seeds with a brownish-red section for germination and seedling cultivation. The culture substrate is composed of humus and perlite, and the volume ratio is humus: perlite = 6:3, which is uniformly mixed and prepared; after the substrate is mixed, fill it into a plastic seedling tray, fill it to 2 / 3, and use Water the carbendazim solution with a mass fraction of 0.3% to sterilize the matrix, sow 1 seed in each hole and mark it, then sprinkle a thin layer of dry matrix on top of the seeds (just cover the seeds), add a sm...

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Abstract

The invention discloses a method for breeding glutinous coix. The method comprises the following steps: selecting mature plump grains, hulling, cutting endosperm with a blade till the section of endosperm is exposed, dyeing with an iodine reagent for 5-30 minutes, flushing with clear water for 3-10 minutes, washing off flooding, and performing glutinousness identification on single grains; germination and seedling growing of seeds: after young seedlings grow to 3-10 leaves, transplanting the seedlings into a field, opening holes according to the row spacing 80cm*70cm for transplanting, and marking respectively, wherein one seeding is planted in each hole; bagging and harvesting: cutting off upper leaves of 1-6 single stems of each plant at the flowering stage, putting all trimmed single stems into an identical kraft bag in a sleeving way, fixing with a clip, and reserving lower leaves; harvesting stem segments in the bag at the maturation stage, and threshing for storage. By adopting the method, purification and rejuvenation and single plant breeding of glutinous coix seeds can be realized.

Description

technical field [0001] The invention belongs to the field of plant breeding and relates to a method for breeding glutinous barley. Background technique [0002] Job's tears ( Coix lachryma-jobi L.) is the genus Coix (Gramineae) of the Poaceae (Gramineae) Coix Linn.) is an annual or perennial herbaceous plant, which is also a medicinal and edible plant, and its dried seed is called coix seed. Coix seed contains a variety of unsaturated fatty acids, lipids, sterols, triterpenoids, polysaccharides, amino acids, vitamins and a variety of mineral elements, which have pharmacological effects such as anti-tumor, hypoglycemic, inhibiting tumor angiogenesis and improving immunity It can also be made into food such as porridge, rice, cake, etc. Long-term consumption can prevent dry skin and fish scaly skin diseases, and is suitable for all ages. Coix is ​​the same as other cereal crops, and its grains are also divided into japonica and waxy. The waxy coix has good stickiness...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01C1/00A01G31/00
Inventor 李祥栋石明
Owner 贵州黔西南喀斯特区域发展研究院
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