Administering Salicylic Acid

[Jerry Bauer]

Dear netter=D5s;

   In their book =D4Disease in Plants=D5  (1995), Hammerschmidt and Kuc hav=
e=20
noted that salicylic acid (sodium salt form) can be used to induce=20
disease resistance in Solanaceae.  Dr. Ryals at Ciba has also noted that=20
there is evidence of this.  Our problem is we have not been able to find=20
any information on the following:

1.  The most affective concentration of SA used in these procedures.

2.  The dosage and how it is applied, as well as how often.

  We are also in need of a supply of Silwet or comparable surfactant=20
usable on organics.  If someone could provide the name of a supplier we=20
would greatly appreciate it.


Thanks in advance for any assistance provided!

****Note:  Please reply to the E-mail address below.  Thank you.

Jerry Bauer
jerryb at alpha.pr1.k12.co.us