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[Study on seed quality of Achyranthes bidentata]
Jianjun Qi1, Xian'en Li, Lili Zhou
1Institute of Medicinal Plants Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China.
Objective:
To study the seed quality of Achyranthes bidentata from different sources and establish a standard of seed quality grading.
Method:
Seed weight and moisture content determination, germination test, purity analysis were carried out by 100 grains method, high-temperature drying, double deck filter paper and GB/T354. 3-Seed Testing for Crops methods respectively. Eight collections were planted in several field plots.
Result:
The 1 000 grains weight of 33 collections is 0.69 to 3.54 g with a variance coefficient 24.83%, the germination rate between 19.02% to 99% with a variance coefficient 38.24%. Seed moisture content and purity showed no significantly difference. K-means cluster analysis showed that 33 collections were divided into 3 grades: the first grade including 23 collections, the second and third grade including 5 collections respectively. Eight collections showed different field growth and yield characters.
Conclusion:
There are significant differences in seed quality of A. bidentata, so the classification management is needed in medicinal materials market. Germination test is an effective method before cultivating.
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