Tomato is fruit vegetables sustaining valuable benefits in economy and nutrition. It has a high content of Vitamin C and lycopene. Being a climacteric fruit, tomato is perishable and has a short shelf life. To improve the storage quality of tomato, the effect of hot water treatment and calcium dips on tomato (Solanum lycopersicum) was studied. Tomato fruits were dipped in two temperatures (40°C and 50°C) of the hot water bath for 2 minutes before treatment of 2% calcium chloride for 2 minutes. The fruits were stored at 10°C ± 2°C in the cold room at a relative humidity of 80-95%. Changes in weight loss, firmness, total soluble solids (TSS), titratable acidity, ascorbic acid, and lycopene content were observed and recorded on 0, 2, 4, 6, 8, 10, 12, 14 days of storage. Hot water treatment at 50°C with 2% of calcium chloride can control the weight loss and firmness of tomato with the low level of total soluble solids and acidity and retained the level of ascorbic acid. This treatment prone to extend shelf life, delay ripening and retained the postharvest quality of tomato.
Christia vespertilionis also known as butterfly wing plant is an ornamental and valuable medicinal plant grown in tropical and subtropical regions. Despite the importance, not much attention has been given to study economical propagation methods of C. vespertilionis. This work aims to evaluate between sexual (seeds) and vegetative (cuttings and in vitro) propagation techniques in terms of their viability and growth. Pretreatment of seeds showed that wet paper towel was observed induced a higher percentage of germination rate as compared to other treatments. A comparison between two types of cuttings indicated semi hardwood part propagated better than the softwood part. In the present study, in vitro shoot proliferation was obtained by culturing nodal node segments in Murashige and Skoog (MS) medium supplemented with 2.0 mg/L of 6-Benzyl amino purine (BAP). However, no root development was observed when well-developed shoots were transferred on rooting medium supplemented with various concentrations of Indolebutyric acid (IBA). We conclude that C. vespertilionis appear to propagate easily using seeds and semi-woody cuttings. Further investigation of in vitro propagation could potentially be used for future conservation and sustainable production of C. vespertilionis.
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