tropical-biodiversity
Tropical biodiversity refers to the extraordinary variety of plant species, ecosystems, and genetic resources found within tropical regions, which host the majority of Earth's terrestrial plant life. Understanding this diversity is critical for plant science, as tropical flora represents an immense reservoir of unstudied biochemical compounds, reproductive strategies, and adaptive traits. Research in this area drives advances in conservation biology, ethnobotany, and the discovery of novel species with potential applications in medicine, agriculture, and climate resilience.
open_in_new WikipediaPubMed · 2026-04-14
When plants activate their chemical defenses against insects, they can become better protected from some pests but more vulnerable to others — and the defense itself can reduce their ability to reproduce by deterring pollinators and lowering fruit set.
Plants with jasmonic acid defenses activated showed higher levels of protective alkaloids in their flowers and reduced leaf damage, but experienced greater colonization by sap-feeding insects.
Both jasmonic acid and salicylic acid defense treatments significantly reduced ovary fertilization, suggesting that defense induction compromises pollination success and short-term seed output.
Arthropod community composition shifted seasonally over the 16-month study, meaning the effectiveness and side effects of plant defenses varied with time of year.