Breeding of New Two-line Hybrid Rice Combination Shunliangyou Heizhan with Black Grains
Shunliangyou Heizhan is a new two-line hybrid rice combination developed by Guizhou Rice Research Institute using the photo-thermo-sensitive genic male sterile line Shun 6S and the restorer line Heizhan.It was approved by Guizhou Crop Variety Appraisal Committee in 2023,and it is suitable for planting as early-maturing medium indica rice in the rice planting area below 1 200 m altitude in Guizhou Province.The breeding process,characteristics,cultivation and seed production techniques of this combination were introduced.
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