Assessment of allelopathic potential of Tinospora cordifolia (Willd.) Hook. f. and Thoms leaf extract on growth and biochemical constituents of Brassica oleracea var. capitata
2Mahapara and 1*Rayees Afzal Mir
1School of Agricultural Science, *2Department of Botany, Glocal University, Saharanpur-247121 (India) *Corresponding author’s email: hos.agri@theglocaluniversity.in
ABSTRACT
By releasing phytochemicals during the breakdown of its litter, Tinospora cordifolia (Willd.) Hook. f. and Thoms (Ait). R.Br. is known to have an impact on the growth of nearby plants. The goal of this study is to evaluate the allelopathic effects of Tinospora cordifolia (Willd.) Hook. f. and Thoms aqueous leaf extraction on seed germination rate, primary growth and biochemical alterations of Brassica oleracea var. capitate. Dry mature leaves of the Tinospora cordifolia converted into aqueous leaf extracts at concentrations of 0.1%, 0.2%, 0.3%, 0.4%, and 0.5% for the study, with tap water serving as the control. Brassica oleracea var. capitate seeds were incubated in various leaf extract concentrations of Tinospora cordifolia R. BR, and germination data was recorded after 15 days, 30 days, and 45 days of extract exposure. The seedlings were collected, and their biochemical features, such as their carbohydrate, chlorophyll, proline, and phenol contents, were measured, along with their fresh weights of root and shoot. The extraction T1, T2, and T3 treatments had no detrimental effects on germination or phenotypic outcomes. Chlorophyll, and total carbohydrate content levels were all observed to be stimulated in T3. Stress-relieving substances like total phenol and free proline decreased at lower concentrations (T3) that seemed suited for Brassica oleracea var. capitata. Growth that was optimal and healthy was seen in T3-treated plants. The findings point to a potential use of Tinospora cordifolia aqueous leaf extract for growth enhancement of Brassica oleracea var. capitata.