Theodor Hartig


Theodor Hartig was a German forestry biologist and botanist.

Biography

Hartig was born in Dillenburg. He was educated in Berlin, and was successively lecturer and professor of forestry at the University of Berlin and at the Carolinum, Braunschweig.
Hartig was the first to discover and name the sieve tube element cells in 1837. His zoologist author abbreviation is Hartig. He described many gall wasp species.
In 1842, Theodor Hartig described what is now known as the Hartig net, a network of fungal hyphae that penetrate feeder roots and surround epidermal cells. The Hartig net is part of the structure of ectomycorrizae, mutualistic symbioses between fungi and plant roots.
He died in Braunschweig.

Works

  • 1836.
  • 1840. Über die Familie der Gallwespen.
  • 1841. Erster Nachtrag zur Naturgeschichte der Gallwespen.
  • 1843. Zweiter Nachtrag zur Naturgeschichte der Gallwespen.
  • 1851. Vergleichende Untersuchungen über den Ertrag der Rotbuche
  • 1860. Die Aderflügler Deutschlands
  • 1866.
  • 1877
  • 1878.
In collaboration with his father, Georg Ludwig Hartig, he published the work entitled, Forstliches und naturwissenschaftliches Konversationslexikon. The eleventh edition of his father's Lehrbuch für Förster, the later reprints of which he had revised, was published in 1877.

Family

He was the son of Georg Ludwig Hartig, a German forester. His son Robert was a forest scientist and mycologist who is considered the "father of forest pathology".