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breeding for stress resistance in jute
- 1. BIOTIC ND ABIOTIC STRESS BREEDING IN JUTE B. MOHANAPRIYA 2017600808
- 2. Jute • GENUS - Corchorus FAMILY - Malvaceae (formerly under Tiliaceae) • Jute is also called the golden fiber for its color and high cash value.
- 3. Institutes – CRIJAF – central research institute for juteand allied fibres ,barrackpore , west Bengal – National institute of research on jute and allied fiber technology , kolkata westbengal – Bangladesh jute research institute (BJRI)
- 5. C. capsularisis C. olitorius comparatively more resistant to flood and drought tolerant to diseases and pests, produces the stronger commercial fiber susceptible to diseases and pests Susceptible to drought
- 6. Breeding methods TRADITIONAL • Introduction • Selection • Interspecific Hybridization • Backcrossing • Mutation MODREN TECHNIQUES Marker assited selection – to find out the putative Qtl Gene pyramiding Marker assisted back cross breeding Qtl introgression Agrobacterium mediated trasformations Protoplasmic fusion - overcome the barrier of sexual incompatibility
- 7. WILD SPECIES BIOTIC AND ABIOTIC SOURCE C. depressus C. asplenifolius, C. cinerascens, C. erinoceus, and C. erodiodes - higher degree of drought tolerance C. trilocularis , C. tridens tolerance to water stagnation. C. urticifolius and C. psuedo- capsularis resistant reaction to all diseases including root rot, stem rot except soft rot and anthracnose , C. urticifolius, C. pseudo-capsularis, and C. pseudo- olitorius moderately resistant to root-knot nematode, Meloidogyne incognita C. junodii, C. pinnatipertitus, C. saxatilis, and C. gillettii potent sources of biotic stress resistance
- 9. C. aestuans Corchorus pseudocapsularis Corchorus pseudo-olitorius
- 10. Variety Year Parentage Characters JRO 878 (chaitali tossa ) 1967 JRO 620 X Sudan Green Resistant to premature flowering and water logging JRO 7835 1971 JRO 632 x Sudan Green Resistant to premature flowering and water logging JRO 521 (navin) 1977 Sudan Green x JRO 632 Resistant to premature flowering,root rot,yellow mite AAU QJ 1 (tarun) 2007 Tanganyika 1 x JRO 640 Premature flowering ,stem rot ,root rot and anthrocnose JBO 2003 (Ira) 2008 RRO 632x Sudan Green x Tanganyika 1 Premature flowering ,stem rot ,root rot and anthrocnose
- 11. Future trust Therefore, molecular genetics and biotechnology in jute in combination with conventional breeding and other areas will guide future research for improving quality and productivity of Corchorus with enhanced biotic and abiotic stress tolerance.
- 12. Thank you