Arun Kumar
University Department of Botany, Ranchi University, Ranchi, Jharkhand, India
Received : 23rd July, 2023 ; Revised : 21th August, 2023
DOI:-https://doi.org/10.5281/zenodo.12216340
Abstract– A significant vegetable crop that is grown all around the world is cabbage. There have been reports of black rot disease in cabbage from many parts of the world, which is caused by bacterial infection. It was initially recorded in India by Patwardhan during the Bombay Presidency. Subsequently, it was discovered to be prevalent in multiple West Bengali regions as well as Pune. Large-scale cultivation of this vegetable crop is practiced in and around Ranchi, where the significant cultivars “Pride of India” and “Express” are frequently planted. The black rot bacterium “Xanthomonas campestris pv. campestris” frequently attacks both CVS. The pathogenesis and resistance of host plants are significantly influenced by protein. involvement of the host-bacterium relationship Numerous researchers have previously documented the presence of proteins and their accumulations and reductions in the host tissue of various plants. The host’s susceptibility and resistance responses are inextricably linked to the active protein components of the host tissue after infection. In the extract of seedling tissue infected with bacteria, the protein content of the cultivar “Pride of India” was significantly lower than that of healthy seedlings starting at 24 hours and continuing for up to 96 hours. On the other hand, the bacterium-inoculated seedlings of cv. “Express” showed a notable rise in protein content compared to the healthy ones for the first 72 hours, but then a significant decline in protein content over the healthy ones for the next 96 hours. Compared to cv. “Express,” a greater quantity of protein was found in the healthy tissue extract of the seedlings of cv. “Pride of India” starting at 72 hours and continuing until 72 hours. Nevertheless, after 96 hours of incubation, the seedling of the later cultivar, i.e., Express, had slightly less protein than a healthy one. According to experimental data, the cabbage cultivars “Pride of India” and “Express” exhibit varying degrees of susceptibility to the black rot bacteria “Xanthomonas campestris pv. campestris,” with cultivar “Pride of India” showing the highest degree of symptom manifestation.
Key words: Cabbage, Pride of India, Express, Protein, Xanthomonas campestris pv. campestris, black rot disease
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