College of Agricultural Science, SRM University, Kattankulathur 603 203, Tamil Nadu, India.
Department of Nematology, Agricultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore 641 003, Tamil Nadu, India.
Molecules. 2023 Feb 15;28(4):1839. doi: 10.3390/molecules28041839.
Guava is an important revenue generating crop for small, medium, and commercial guava cultivators all over the world. Nematode infestation is one of the factors that cause declines in fruit production. Researches have proven that the application of plant growth regulators induces the synthesis of defense-related proteins in Guava. IBA is one such plant growth regulator, and its effects on guava plants has not yet been elucidated. Thus, this research is focused on the optimization of IBA concentrations, which results in the induction and production of maximum defense-related proteins to defend against root knot nematode. The present study includes the application of IBA on infested experimental guava plants at different concentrations ranging from 100 ppm to 2000 ppm. The synthesis of defense-related proteins is identified with 1000 ppm of IBA. At this concentration, IBA influences the morphological, physiological, and biochemical characteristics and enhances the induction of defense-related proteins in infested experimental guava plants. Thus, 1000 ppm of IBA prevents nematode infestation in Lucknow-49 guava plants.
番石榴是全世界小、中和大型番石榴种植者的重要收入来源作物。线虫侵染是导致果实产量下降的因素之一。研究已经证明,植物生长调节剂的应用诱导番石榴中防御相关蛋白的合成。IBA 就是这样一种植物生长调节剂,但其对番石榴植物的影响尚未阐明。因此,本研究专注于优化 IBA 浓度,以诱导和产生最大量的防御相关蛋白来抵御根结线虫。本研究包括在不同浓度(从 100ppm 到 2000ppm)下将 IBA 应用于受感染的实验番石榴植物。用 1000ppm 的 IBA 来鉴定防御相关蛋白的合成。在这个浓度下,IBA 影响受感染实验番石榴植物的形态、生理和生化特性,并增强防御相关蛋白的诱导。因此,1000ppm 的 IBA 可防止在 Lucknow-49 番石榴植物中的线虫侵染。