Salinity-affected areas include dry and semi-arid parts of the world, with low crop production capacity. P. angulata is economically important of genus Physalis due to its nutraceutical benefit. This study aims to evaluate the morphological response of P. angulata to salinity stress. The research was conducted in Bangkalan Madura. Salinity treatments were consist of 0, 20, 40, 60, 80, 100, 120, 140, 160, 180. Research has been designed according to randomized block design with three replications. Each replication consists of 4 plants. Leaf morphology was observed by measuring the chlorophyll content in young leaves and visual symptoms in old leaves. The response of plant roots to salinity was carried out by measuring root volume and primary root length. The study result that morphological changes occur in the leaves and roots. There is an acceleration of senescence of old leaves and a decrease in young leaves chlorophyll. The root changes can be seen from the root volume and primary root length reduction. The changes began to occur at a concentration of 80 mM except for the primary root length, which begins to appear at a concentration of 120 mM.
The development of crop cultivation technologies is required to augment crop productivity. It is critical to feed the expanding population in the world. This study aims to characterize the growth of groundcherry (Physalis angulata L.) under low salinity. The study was carried out in Bangkalan, a district on Madura Island. The treatments consisted of the application of 0 mM salinity concentration (A1) and the application of 20 mM salinity concentration in the vegetative stage (A2), generative stage (A3), and during cultivation (A4). The study was designed using eight replication in a randomized block design. Each replication comprised three plants. The root length, leaf number, height of the plant, stem diameter, fruit number, and fresh and dry weights, were measured to determine growth. The study result showed that low salinity affected the leaves number, fruit number, and dry weight. The application of 20 mM salinity concentration at the generative stage (A3) and during cultivation (A4) gave the highest growth of groundcherry.
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