Write about different growth promoting substances that cause

This is known as early wood, or spring wood.

plant growth regulators definition

In this regard, measurement of malonyl-ACC transferase indicated a significant reduction in its activity in both lotus and tomato roots Figure 4 E. They grow through a combination of cell growth and cell division mitosis. Many plants can use various bacterial siderophores as iron sources, although the total concentrations are probably too low to contribute substantially to plant iron uptake.

plant growth regulators wikipedia

Antibiotics onstitute a wide and heterogeneous group of low molecular weight chemical organic compounds that are produced by a wide variety of microorganisms Raaijmakers et al. The bark of a tree extends from the vascular cambium to the epidermis. The authors reported a significant increase in fresh and dry weight of inoculated plants.

There are some PGPR that can fix nitrogen, solubilize mineral nutrients and mineralize organic compounds.

plant growth promoters
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