Zobrazeno 1 - 10
of 111
pro vyhledávání: '"Girjesh Kumar"'
Publikováno v:
Electronic Journal of Plant Breeding, Vol 12, Iss 3, Pp 812-820 (2021)
Senna Mill. is one of the most typical genus of caesalpiniodeae, with wide geographical distribution and diversification. The research work was planned with an objective of taxonomical characterization and assessment of the meiotic behaviour of wild
Externí odkaz:
https://doaj.org/article/e2a60c44290f4b02b51f2424df401b92
Autor:
RAJANI SINGH, Girjesh Kumar
Publikováno v:
Caryologia (2022)
For the development of genetic programs with novel characteristics induced mutagenesis has been used extensively. Chlorophyll mutations are considered as the most dependable indices for assessing the efficiency of different mutagens in inducing the g
Externí odkaz:
https://doaj.org/article/21ab9a1e36844e5abdb27381ce5587b0
Publikováno v:
Electronic Journal of Plant Breeding, Vol 11, Iss 3, Pp 854-859 (2020)
From the population raised from gamma irradiated seeds at different doses (100, 200 and 300 Gy), at 100 Gy phenotypically dissimilar plant (from the control plants) was isolated. The plant was shorter and morphologically weaker in contrast to control
Externí odkaz:
https://doaj.org/article/aa51618a461d4b62a4fa5d109fef90ce
Autor:
Girjesh Kumar, Shefali Singh
Publikováno v:
Caryologia, Vol 73, Iss 2 (2020)
Cytomictic behaviour of chromosomes among pollen mother cells was observed in mutagenic studies in cluster bean (Cyamopsis tetragonoloba (L.) Taub.). The study of pollen mother cells (PMC) revealed various chromosomal aberrations among which cytomixi
Externí odkaz:
https://doaj.org/article/b8b6c34cf2bf4eb9b6eae8b3e364d855
Autor:
Sana Naseem, Girjesh Kumar
Publikováno v:
Crop Breeding and Applied Biotechnology, Vol 13, Iss 4, Pp 363-366 (2013)
Cytological investigation of EMS (ethyl methane sulphonate) treated population demonstrated enhanced univalent frequency per cell with unequal separation at Anaphase I. In contrast to controlled plants, medium strong type desynaptic plants were obtai
Externí odkaz:
https://doaj.org/article/43f5f41366414ec498c3002c14bba333
Autor:
Girjesh Kumar, Nitisha Srivastava
Publikováno v:
Journal of Central European Agriculture, Vol 14, Iss 3, Pp 19-27 (2013)
Cytomixis has been reported in many plant species, but there is no published report in Sesbania cannabina spp. The cytological stability of any plant is an important consideration in view of its extensive use in genetics and plant breeding programmes
Externí odkaz:
https://doaj.org/article/a476d5d7527240b88fd515eb07756e29
Autor:
Girjesh KUMAR, Sana NASEEM
Publikováno v:
Czech Journal of Genetics and Plant Breeding, Vol 49, Iss 2, Pp 86-89 (2013)
The phenomenon of chromatin migration was observed during microsporogenesis in an ethyl methane sulphonate (EMS) treated population of poppy, which is an important medicinal plant. Cytomixis occurred through a cytoplasmic channel or by direct fusion
Externí odkaz:
https://doaj.org/article/f6caa312b3b74306a7bbfd8607b61991
Autor:
Girjesh KUMAR, Kshama Dwivedi
Publikováno v:
Journal of Central European Agriculture, Vol 13, Iss 4, Pp 805-813 (2012)
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,
Externí odkaz:
https://doaj.org/article/dccf00f5d8c84b4e960460e2198a1b88
Publikováno v:
Electronic Journal of Plant Breeding, Vol 2, Iss 2, Pp 228-234 (2011)
Mutagenic effect of EMS on pollen mother cells of Sesbania cannabina has been investigated in the present cytogeneticalobservation. The progenies were obtained from seeds treated with four different time durations (1, 3, 5, and 7 hours) of 0.5%soluti
Externí odkaz:
https://doaj.org/article/0d8993867e4040d4a3c27d2121e8158d
Publikováno v:
Applied Biological Research. 25:83-92