Genius and insanity spring from the same taproot.    From Wordnet, Princeton University. 

The taproot of his resentment.    From Wordnet, Princeton University. 

They can be moved when very small, there is a taproot.    From Wordnik.com.  [July Bloom Day 2008-A Wide Variety « Fairegarden] Reference

One tree stood beside the brook, taproot in the water.    From Wordnik.com.  [The White Rose]

Sever the taproot at 80-90 cm and prune all lateral roots.    From Wordnik.com.  [Chapter 10] Reference

It has a strong taproot and profusely branched root system.    From Wordnik.com.  [Chapter 34] Reference

A seedling's taproot may grow as much as an inch (2.5 cm) a day.    From Wordnik.com.  [2 The Plant] Reference

This will eliminate any bend that has begun to form in the taproot.    From Wordnik.com.  [Chapter 8] Reference

We were busy wrestling a very determined taproot up out of the mud.    From Wordnik.com.  [In the Garden of Iden] Reference

Water burst from the sundered taproot like blood from a riven heart.    From Wordnik.com.  [Conan and the Emerald Lotus]

The taproot is thick and long, lateral roots are numerous and well developed.    From Wordnik.com.  [Chapter 31] Reference

This is normally a plant that should not be moved, for it has a long taproot.    From Wordnik.com.  [Clems, Roses and Good Things Coming To An End « Fairegarden] Reference

Cuttings generally produce shallow root systems without a strong, deep taproot.    From Wordnik.com.  [Chapter 4] Reference

Tolstoy summed it up by saying, "Vegetarianism is the taproot of humanitarianism.".    From Wordnik.com.  [Bruce Friedrich: Humane Meat: A Contradiction in Terms] Reference

The use of large nursery bags is recommended to encourage growth of a deep taproot.    From Wordnik.com.  [Chapter 10] Reference

"They have no taproot in the constitutional document," Professor Kmiec said of arguments.    From Wordnik.com.  [Archive 2006-06-01] Reference

The taproot (at least in young specimens) may be as much as twice the height of the tree.    From Wordnik.com.  [3 The Tree] Reference

The best method is to place charges on both sides of the taproot to obtain a shearing effect.    From Wordnik.com.  [Army Field Manual: Explosives and Demolutions Extract by the Death Jester] Reference

They consist of a short, pruned stem and a strong pruned taproot derived from nursery stock.    From Wordnik.com.  [1. Planning a plantation] Reference

It grows warmer again and here there is a giant taproot — like the taproot of a great tree.    From Wordnik.com.  [Soul-Spelunking – Another Wacky Exploration in Free-Writing « Looking for Roots] Reference

For taproot stumps, one method is to bore a hole in the taproot below the level of the ground.    From Wordnik.com.  [Army Field Manual: Explosives and Demolutions Extract by the Death Jester] Reference

This technique works best for hardy species with a strong taproot, such as mahogany or yemane.    From Wordnik.com.  [Chapter 14] Reference

To get rid of a dandelion, use a specialized, forklike tool to pull out the plant and taproot.    From Wordnik.com.  [Weekend Project: Get rid of dandelions] Reference

The roots of our culture like the taproot of a dandelion, goes deep in to the soil of our souls.    From Wordnik.com.  [Light in Our Dwellings] Reference

It has short, upright, brittle branches and a wide-spreading, shallow root system with no taproot.    From Wordnik.com.  [Chapter 6] Reference

Yet the canon's reticence had its taproot in the natural man who perforce did his strong deeds simply.    From Wordnik.com.  [The Henchman] Reference

He dug at the base of a dandelion with his fingers and pried it out of the ground with the long taproot intact.    From Wordnik.com.  [The Year's Best Science Fiction 23rd Annual Collection]

Nursery-propagation accelerates seedling growth, however the large taproot of sandan makes transplanting difficult.    From Wordnik.com.  [Chapter 44] Reference

Nursery-propagation accelerates seedling growth, however the large taproot of sandan makes transplanting difficult.    From Wordnik.com.  [Chapter 10] Reference

To concede that teachers admired his talent, or that he had friends and was deeply loved, would have destroyed that taproot.    From Wordnik.com.  [A Dark and Stormy Life] Reference

In truth, the leading foible of Hodgkinson through life, was vanity -- the great taproot of all his irregularities and errors.    From Wordnik.com.  [The Mirror of Taste, and Dramatic Censor Volume I, Number 3] Reference

They lack the strong taproot that is seen in A. retroflexus, for example, and are generally much less aggressive in their habits.    From Wordnik.com.  [2 The Plants] Reference

Brion pushed it up with his toe and they had a brief glimpse of a white roundness, like a shiny taproot, going down into the dune.    From Wordnik.com.  [Planet of the Damned] Reference

Small trees can be pulled up after a few months and the taproot ground, mixed with vinegar and salt and used in place of horseradish.    From Wordnik.com.  [28 additional technical notes about tropical agriculture] Reference

For bare-rooted seedlings make sure that the hole is deep enough to allow the taproot to hang down vertically without bending its tip.    From Wordnik.com.  [4. Planting techniques] Reference

It is also desirable to reaffirm with all possible emphasis that fidelity to international agreements is the taproot of human progress.    From Wordnik.com.  [New York Times Current History; The European War, Vol 2, No. 3, June, 1915 April-September, 1915] Reference

The tree has shallow, wide-spreading lateral roots and a narrowly branched taproot that may penetrate several meters to the water table.    From Wordnik.com.  [Chapter 7] Reference

I particularly like this quote of yours: The roots of our culture like the taproot of a dandelion, goes deep in to the soil of our souls.    From Wordnik.com.  [Light in Our Dwellings] Reference