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. 1995 54 117 173 Cosic, T., Poljak, M., Custic, M., Rengel, Z. 1994. Aluminium tolerance of durum wheat germplasm

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.R., Hopp, H.E., Suárez, E.Y., Dubcovsky, J. 2001. Quantitative Evaluation of genetic diversity in wheat germplasm using molecular markers. Crop Sci. 41 :682–690. Dubcovsky J

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One thousand four hundred and eighty three spring wheat germplasm (Triticum aestivum L.) lines comprising Indian as well as exotic lines were screened for resistance to spot blotch disease during winter 2014-15 at hot spot locations i.e., Banaras Hindu University, Varanasi and Uttar Banga Krishi Vishwavidyalaya, Cooch Behar. Severity of the disease at different stages beginning from tillering to dough stage was recorded. Location Severity Index (LSI) of Varanasi was higher than Cooch Behar. Twenty eight accessions were resistant or highly resistant at both locations. These 28 accessions were validated during the winter season (2015–2016). These germplasm were also evaluated at four environments for agronomic traits. Out of 28 accessions, seven (IC564121, IC529684, IC443669, IC443652, IC529962, IC548325 and EC178071-331) were highly resistant across the locations and over the years of study. These accessions comprised one exotic and six indigenous accessions belonging to Uttarakhand and Haryana. Two lines (IC529962 and IC443652) had higher yield than the best check at all the locations. These lines showing highly resistant reaction alongwith wider adaptability can be expedited for direct cultivation or for the development of high yielding and disease resistant cultivars. These lines can also be used for identification of novel resistance gene using allele mining tools and their deployment for the development of spot blotch resistant cultivars.

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, G., Dion, Y., Rioux, S., Gilbert, J., Somers, D. and Martin, R.A. 2008. A systemic approach for the development of FHB resistant germplasm accelerates genetic progress. Cer. Res. Comm. (in press). Gilbert, J. and Woods, S

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Twenty cyanobacterial strains of the genus Tolypothrix, including 15 strains of T. tenuis, three strains of T. ceylonica, and one each of T. nodosa and T. bouteillei, that were collected from various agro-ecological regions of India were evaluated for important parameters related to nitrogen fixing potential, such as acetylene reduction activity, total protein and chlorophyll content. Distinct differences were observed in nitrogen fixing potential at both inter- and intraspecific levels. The T. tenuis strains, in general, exhibited superior nitrogen fixing ability as compared to strains belonging to other species. A statistical procedure based on simultaneous consideration of performances of various strains with respect to different parameters under study aided in identification of three highly promising T. tenuis accessions, namely ARM586, ARM75 and ARM460, for potential exploitation as biofertilisers.

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Cereal Research Communications
Authors: A. Comeau, F. Langevin, V. Caetano, S. Haber, M. Savard, H. Voldeng, G. Fedak, Y. Dion, S. Rioux, J. Gilbert, D. Somers, and R. Martin

Fu, Y.B., Peterson, G.W., Richards, K.W., Somers, D., DePauw, R., Clarke, J.M. 2005. Allelic reduction and genetic shift in the Canadian hard red spring wheat germplasm released from 1845 to 2004. Theor Appl Genet 110: 1505

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Cereal Research Communications
Authors: B. Kumar, K.S. Hooda, R. Gogoi, V. Kumar, S. Kumar, A. Abhishek, P. Bhati, J.C. Sekhar, K.R. Yathish, V. Singh, A. Das, G. Mukri, E. Varghese, H. Kaur, V. Malik, and O.P. Yadav

germplasm set . BMC Plant Biol. 12 : 56 . White , D.G. 1999 . Compendium of Corn Diseases, 3rd ed . Amer. Phytopathol. Soc . St. Paul, MN, USA

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, A.Ju. 2000. Multivariate analysis of genetic variation in Aegilops tauschii from the world germplasm collection. Genet. Resour. and Crop Evol. 47 :185–190. Dudnikov A

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large germplasm collections support the ABC transporter as essential for gene function . Theor. Appl. Genet . 121 : 373 – 384 . Dakouri , A. , McCallum , B.D. , Radovanovic , N. , Cloutier , S

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Pestsova, E., Korzun, V., Goncharov, N.P., Hammer, K., Ganal, M.W., Röder, M.S. 2000. Microsatellite analysis of Aegilops tauschii germplasm. Theor. Appl. Genet. 101 :100–106. Röder M

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