Selective Breeding On Elite Plant Strain Of Sichuan Radix Curcuma And Part Of Supporting Key Cultivation Techniques Study

Radix Curcumae,the root tuber of Curcuma wenyujin Y. H. Chen et C. Ling,C. longa L. and C. kwangsiensis S. G Lee et C. F. Liang or C. phaeocaulis Val, root in the family of Zingiberaceae.The difficulty in the quality control of Radix Curcumae materials, unstable quality and significant reduction of yield as the result of their complex origin, wide distribution, multi-variety,breeding backward technology; at the same time,breeding of fine varieties of breeding is still empty, cultivation and harvesting processing methods not standardized and the existing statutory standards were not effective quality evaluation methods. The issue is the part of the subject Sichuan breeding research project "Genetic characteristics of Sichuan Radix Curcumae and quality breeding". In this thesis,bese on the C. longa L. and C. phaeocaulis Val Breeding in Sichuan for improved lines, take the cultivation of key technologies according to the original plant growth habits.It is the first time use the ISSR and 1H-NMR to secondary breeding Radix Curcumae of Radix Curcumae. ISSR results that the number 13,14,15,16 of the C. phaeocaulis Val and the number 23,24,25,28 of C. longa have demonstrated a wealth of genetic information, it is the first choice for screening material of Good lines; 1H-NMR results that the C. longa is a high quality filter materials with new varieties. Combining the characteristics of Radix Curcumae, use multi-index (yield and quality), and more means of evaluation methods Breeding of Radix Curcumae's fine lines.In fine lines breeding research, On the basis of the growth characteristics of plants, From 2006 to collection germplasm of Radix Curcumae, through the systematic selection screened in 291 high-quality germplasms for yield and content filtering from SL,CZ, QW, MC in 2007, got 49 high quality new materials Radix Curcumae.2008 to track materials Radix Curcumae Screening through 2007, merge similar materials, got 3 Radix C. longa,6 Rhizoma C. longa and 6 Radix C.phaeocaulis high-quality strains. Which began multi-point test in 2009, with excellent performance of new strains LS-4 and JH-6 in the Wenjiang and Shuangliu, Report to the Sichuan Provincial Department of Agriculture Department records for examination. The test results by 2009 show that,LS-4 and JH-6 have worth by new varieties. And cut Radix Curcumae as the drought, screening results from 2009,Radix C.phaeocaulis hold LS-1,LS-2,LS-3,LS-5,LS-6, Radix C. longa hold HS-1,HS-2 and Rhizoma C. longa hold JH-2+4,JH-3,JH-5 to tracking continue.Supporting research on key technologies, single factor conditions the different varieties of Radix Curcumae cultivation, investigated the use of models, planting density, harvesting time on yield and quality, summarizes a rational key technology of cultivation.Results of the study provide a scientific basis by the genetic characteristics of Sichuan Radix Curcumae and provide high quality breeding,while give a basis for Sichuan produced Radix Curcumae excellent breeding. Final, achieve production of Radix Curcumae safe, stable, effective, and controllable.