Cytotaxonomy and palynology study of some weed species from the state of Punjab, India

Main Article Content

Rai Singh
https://orcid.org/0000-0003-2544-1198
M.C. Sidhu

Abstract

The present study was conducted in Malwa region of Punjab, India in 2019–2020. A total of 10 weed species belonging to seven genera and four families were recorded from different crops. Meiotic analysis has revealed the chromosome numbers in different weed species as Datura innoxia (n= 12), Erigeron bonariensis (n= 13), Nicotiana plumbaginifolia (n= 10), Physalis angulata (n= 24), Sesbania bispinosa (n= 6), Sida cordifolia (n= 8), Solanum americanum (n= 12), Solanum nigrum (n= 36), Solanum villosum (n= 24), and Solanum virginianum (n= 12). Chromosome numbers of Solanum americanum and S. villosum have been worked out for the first time from the state of Punjab, India. Morphological features along with the chromosome numbers have authenticated the identity of weed species. Similarly, pollen fertility analysis has suggested the potential of seed production by the weed species and their subsequent invasiveness.

Article Details

How to Cite
[1]
Rai Singh and M.C. Sidhu 2022. Cytotaxonomy and palynology study of some weed species from the state of Punjab, India. Journal of Threatened Taxa. 14, 4 (Apr. 2022), 20866–20872. DOI:https://doi.org/10.11609/jott.7092.14.4.20866-20872.
Section
Communications

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