Cucurbit Genetics Cooperative Report 10:4-6 (article 3) 1987 C. Ramachandran College of Horticulture, Kerala Agricultural University, Vellanikkara 680651, India R.K.J. Narayan Department of Agricultural Botany, University College of Wales, Aberystwyth, U.K. The genus Cucumis comprises about thirty species of Asian and African origin. The diploid species are dibasic with haploid chromosome numbers, n=7 or n=12. […]
C. Ramachandran
B-chromosome Variation in Cucumis melo L.
Cucurbit Genetics Cooperative Report 8:55-56 (Article 20) 1985 Ramachandran, C., V. S. Seshadri, and R. A. Pai Indian Agricultural Research Institute, New Delhi-110012, India The occurrence of B-chromosome (supernumerary chromosomes) in C. melo has been previously reported in the root tip cells in the cultivars ‘Phut’, or snap melon (C. melo var. momordica) and Hales […]
A Giemsa C-banding Procedure for Cucumis Chromosomes
Cucurbit Genetics Cooperative Report 8:13-14 (Article 6) 1985 Ramachandran, C. Agricultural University, Wageningen, 6708 PM, The Netherlands The gene lists of different Cucumis species have been already compiled (3). However, the genes have not been assigned to any of the chromosomes, which are not distinguishable by normal staining procedures. Modern staining techniques like Giemsa C-banding […]
Nuclear DNA Variation in Cucumis Species
Cucurbit Genetics Cooperative Report 7:97-99 (article 44) 1984 Ramachandran, C. Department of Agricultural Botany, University College of Wales, Aberystwyth, U.K. The genus Cucumis includes two sets of species with basic chromosome numbers x = 7 and x = 12, respectively. While the former group is indigenous to Asia, the latter group is believed to be […]
Chiasma Frequency in Different Sex Forms of Muskmelon
Cucurbit Genetics Cooperative Report 6:54-56 (article 28) 1983 C. Ramachandran, V. S. Seshadri and R. A. Pai Divisions of Vegetable and Floriculture and Genetics, Indian Agricultural Research Institute, New Delhi-110 012- India The pairing behavior of chromosomes at meiosis is closely associated with recombination. Chiasma frequency is a cytological measure of such recombinations. The relationship […]