Ionizing radiation mediated cytological manifestation in microsporogenesis of Brassica campestris L.(Brassicaceae)
نویسندگان
چکیده
منابع مشابه
Ionizing radiation mediated cytological manifestation in microsporogenesis of Brassica campestris L. (Brassicaceae)
Purpose of the present work is to investigate the mutagenic effects of ionizing radiations (gamma rays) on Brassica campestris L. accession no IC363713. Homogeneous seeds of Brassica were irradiated at four doses of gamma rays i.e. 150 Gy, 300 Gy, 450 Gy and 600 Gy by the gamma-chamber type Co at the dose rate of 2 second/Gy. During microsporogenesis, meiotic analysis of young floral buds was c...
متن کاملSequence of a Brassica campestris myrosinase gene.
Myrosinase (thioglucoside glucohydrolase, P-thioglucosidase, EC 3.2.3.1) catalyzes the hydrolysis of glucosinolates, a diverse group of sulfur-containing glycosides that are present in a11 the Cruciferae, to D-G~c, sulfur, and a variety of volatile compounds including thiocyanates, isothiocyanates, and nitriles (Fenwick et al., 1983). Normally, myrosinase and the glucosinolates are kept sequest...
متن کاملInduction of Hydrolytic Enzymes in Brassica campestris in Response to Pathovars of Xanthomonas campestris.
Inoculation of mature leaves of turnip (Brassica campestris) with the incompatible Xanthomonas campestris pv vitians resulted in the induction of beta-1,3-glucanase and chitinase/lysozyme (CHL) activity. No increase in the basal activity of beta-1,3-glucanase was observed after inoculation of leaves with heat- or rifampicin-killed X. c. vitians, Escherichia coli, or sterile water. Inoculation w...
متن کاملIdentification of Sources of Resistance to Xanthomonas campestris pv. campestris in Brassica napus Crops
Lema, M., Soengas, P., Velasco, P., Francisco, M., and Cartea, M. E. 2011. Identification of sources of resistance to Xanthomonas campestris pv. campestris in Brassica napus crops. Plant Dis. 95:292-297. Black rot, caused by Xanthomonas campestris pv. campestris, is one of the most important diseases affecting Brassica crops worldwide. Nine races have been differentiated in X. campestris pv. ca...
متن کاملThe pollen determinant of self-incompatibility in Brassica campestris.
Many flowering plants possess self-incompatibility (SI) systems that prevent inbreeding. In Brassica, SI is controlled by a single polymorphic locus, the S locus. Two highly polymorphic S locus genes, SLG (S locus glycoprotein) and SRK (S receptor kinase), have been identified, both of which are expressed predominantly in the stigmatic papillar cell. We have shown recently that SRK is the deter...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Central European Agriculture
سال: 2012
ISSN: 1332-9049
DOI: 10.5513/jcea01/13.4.1133