P. N. Mehra
Articles written in Journal of Genetics
Volume 54 Issue 1 January 1956 pp 165-180
The paper deals with a cytological study of forty-one conifer species belonging to fourteen geuera and distributed within the Abietaceae, Taxodiaceae and Cupressaceae. Observations have been made from the squashes of female gametophytes, stem apices, root-tips, young leaves and pollen mother cells. The cytological details of all these species are summarized in Table 1.
Volume 54 Issue 1 January 1956 pp 181-185
Chromosome numbers in
Volume 55 Issue 2 July 1957 pp 379-393
Ten members of the family Hymenopllyllaceae distributed mostly in the Darjeeling Himalayas have been cytologically investigated.
Volume 55 Issue 2 July 1957 pp 394-396
Eleven bivalents were observed in the meiosis of microsporocytes of
Volume 56 Issue 2 May 1959 pp 296-313
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