1. The development of Persian walnut (Juglans regia) is seriously retarded by the dry-rot disease in Hunan and other areas.

2. Methods The total flavone of Juglans regia folium was abstracted bydissolvent and column chromatography.

3. Juglans regia(Walnut, Akschota) Its shell acts as exfoliating micro-particles and contains organic acids that are astringent and antiseptic.

4. Gene resources of Juglans and genetic improvement of Juglans regia in China.

5. Microsporogenensis studying and karyotype analysis of Juglans regia L. and J. hopeiensis Hu.

6. Results Determination of the average Contents of Total Flavone in Juglans regia folium is 47.65%.

7. This paper deals with the effect of grafting methods, bud scales and grafting time of Juglans regia on surviving rate.

8. The plant growth characters, nut shape feature and main nut economic trait for 50 superior plants of Xingshan Juglans Regia were studied.

9. The invention relates to a novel compound separated form north Juglans regia and a preparation method and application thereof.

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10. OBJECTIVE To study the chemical constituents of the flower of Juglans regia.

11. This paper deals with the effect of different grafting methods of Juglans regia L. on survival situation and growth.