Sentences with phrase «against herbivores»

«But, herbivores can evade plant defenses by using symbiotic bacteria that deceive the plant into perceiving an herbivore threat as microbial, suppressing the plant's defenses against herbivores.»

The ants return this favor by protecting the plants against herbivores.

20:00: Self - DefenseTo protect against herbivores, wild tobacco plants deposit sweet but deadly secretions.

Instead, scientists study so - called phytoliths, hardened pieces of silica formed by plants as protection against herbivores and pathogens.

In return for room and board, mutualistic Pseudomyrmex ferrugineus ants become bodyguards, protecting their host against herbivores and competing plants.

Germinating quickly, growing fast, withstanding competitors and defending against herbivores — already since decades, ecologists have suggested that these are important characteristics of successful plants.

At the same time, the scientists conducted several greenhouse experiments to assess, as accurately as possible, the characteristics of each species — from seed mass and germination rate to the speed of growth, the competitive ability and the resistance against herbivores, like caterpillars.

This response joins a whole suite of plant countermeasures against herbivores, from producing toxins to sending sugars to the roots instead of making new leaves.

The hairs in turn generate electrical impulses that somehow stimulate glands in the trap to produce jasmonic acid — the same signal that noncarnivorous plants use to initiate defensive action against herbivores.

They often have a defensive role against herbivores.

Soybeans grown under elevated carbon dioxide «appear to be helpless against herbivores [plant eaters],» Casteel says.

At each site Meyerson and Cronin measured plant biomass and defenses against herbivores and quantified insect damage by galling, chewing and sucking (aphids) insects to measure the effects of herbivory on Phragmites fitness.

These are poisons, produced by some plants as protection against herbivores,» says Ober.

Curcumin is not essential for the growth and survival of turmeric, rather it is a natural phenol which defends the plant against herbivores, a feature it shares with other secondary metabolites, which are often used in medicine or as food additives.

Like many other plants, dandelions produce secondary metabolites to protect themselves against herbivores.

Then, and as a consequence of this, there are native to Cedros herbivores, which on one hand compete with the goat population for food and presumably have kept it from increasing beyond carrying capacity, and on the other hand forced the native plants to keep their defenses against herbivores, unlike plants on megaherbivoreless islands which tend to lack those defenses.