Re: pesticide article

I've found that Roundup works proportionately to the rate of growth of a plant and inversely to the proportion of starch in its storage organs. Grasses and fast growing annuals like lamb's quarters, pigweed, jewelweed (Impatiens) are very quickly controlled using 1% solutions. I have successfully killed poison ivy and Japanese honeysuckle with two 2% applications, the first at the peak of spring flush growth and the second application when it makes a second attempt and starts to have greenish new foliage later in late spring or early summer. Watch out for the dried out poison ivy leaves and stems!
Roundup only stuns morning glory and field bindweed plants, since they have robust food storage. Then it is a question of which is more convenient, repeated mowing or application. Roto tilling just brings up more seed. Bermuda grass is a pain, with all of its stolons.
I am now spot spraying it on paper mulberry (Broussonetia papyrifera) in my lawn. The top growth dried up in a week, and I am observing for rebudding at the ground level. This is a plant that can get out of hand in a hurry and form thickets. If it comes back repeatedly, out will come my mattock. 

Richard F. Dufresne
2119 US 220 Alternate South
Candor, North Carolina 27229 USA
910-974-4009
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