Molecules that induce disease resistance in plants

Abstract

Described herein are methods and compositions for enhancing pathogen immunity in plants and improving plant growth.

1 .- 23 . (canceled) 
     
     
         24 . An agricultural composition comprising the compound of Formula I 
       
         
           
           
               
               
           
         
         or a salt thereof, wherein: 
         R 2 , R 3 , R 4 , R 6 , R 8 , and R 10  are each independently selected from hydrogen, halogen, hydroxyl, alkoxyl, nitro, substituted or unsubstituted amino, unsubstituted alkyl, substituted or unsubstituted alkenyl, and substituted or unsubstituted carbonyl; 
         R 1  and R 5  are each independently selected from hydrogen, hydroxyl, alkoxyl, nitro, substituted or unsubstituted amino, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, and substituted or unsubstituted carbonyl; and 
         R 7  and R 9  are each independently selected from hydrogen, hydroxyl, alkoxyl, nitro, substituted or unsubstituted amino, unsubstituted alkyl, substituted or unsubstituted alkenyl, and substituted or unsubstituted carbonyl, 
         wherein, when contacted with a plant, the compound increases pathogen resistance or growth of the plant compared to pathogen resistance or growth of a control plant not contacted with the compound. 
       
     
     
         25 . The agricultural composition of  claim 24 , wherein:
 R 2 , R 3 , R 4 , R 6 , R 8 , and R 10  are each independently selected from hydrogen, halogen, hydroxyl, alkoxyl, nitro, substituted or unsubstituted amino, and unsubstituted alkyl, substituted or unsubstituted alkenyl;   R 1  and R 5  are each independently selected from hydrogen, hydroxyl, alkoxyl, nitro, substituted or unsubstituted amino, substituted or unsubstituted alkyl, and substituted or unsubstituted alkenyl; and   R 7  and R 9  are each independently selected from hydrogen, hydroxyl, alkoxyl, nitro, substituted or unsubstituted amino, unsubstituted alkyl, and substituted or unsubstituted alkenyl.   
     
     
         26 . The agricultural composition of  claim 25 , wherein R 1  and R 5  are each independently selected from hydrogen and hydroxyl. 
     
     
         27 . The agricultural composition of  claim 25 , wherein R 2  and R 4  are each independently selected from hydrogen and halogen. 
     
     
         28 . The agricultural composition of  claim 25 , wherein R 1  is hydroxyl. 
     
     
         29 . The agricultural composition of  claim 25 , wherein R 5  is hydrogen. 
     
     
         30 . The agricultural composition of  claim 25 , wherein R 2  and R 4  are both halogen. 
     
     
         31 . The agricultural composition of  claim 26 , wherein R 2  and R 4  are each independently selected from hydrogen and halogen. 
     
     
         32 . The agricultural composition of  claim 31 , wherein R 1  is hydroxyl. 
     
     
         33 . The agricultural composition of  claim 32 , wherein R 5  is hydrogen. 
     
     
         34 . The agricultural composition of  claim 33 , wherein R 2  and R 4  are both chlorine. 
     
     
         35 . An agricultural composition comprising the compound of Formula I 
       
         
           
           
               
               
           
         
         or a salt thereof, wherein: 
         R 1  and R 5  are each independently selected from hydrogen, hydroxyl, alkoxyl, nitro, substituted or unsubstituted amino, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, and substituted or unsubstituted carbonyl; 
         R 2  and R 4  are each independently selected from halogen, hydroxyl, alkoxyl, nitro, substituted or unsubstituted amino, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, and substituted or unsubstituted carbonyl; 
         R 3  is selected from hydrogen, halogen, hydroxyl, alkoxyl, nitro, substituted or unsubstituted amino, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, and substituted or unsubstituted carbonyl; and 
         R 6 , R 7 , R 8 , R 9  and R 10  are each independently selected from hydrogen, halogen, hydroxyl, alkoxyl, nitro, substituted or unsubstituted amino, unsubstituted alkyl, substituted or unsubstituted alkenyl, and substituted or unsubstituted carbonyl, 
         wherein, when contacted with a plant, the compound increases pathogen resistance or growth of the plant compared to pathogen resistance or growth of a control plant not contacted with the compound. 
       
     
     
         36 . The agricultural composition of  claim 35 , wherein:
 R 1  and R 5  are each independently selected from hydrogen, hydroxyl, alkoxyl, nitro, substituted or unsubstituted amino, substituted or unsubstituted alkyl, and substituted or unsubstituted alkenyl;   R 2  and R 4  are each independently selected from halogen, hydroxyl, alkoxyl, nitro, substituted or unsubstituted amino, substituted or unsubstituted alkyl, and substituted or unsubstituted alkenyl;   R 3  is selected from hydrogen, halogen, hydroxyl, alkoxyl, nitro, substituted or unsubstituted amino, substituted or unsubstituted alkyl, and substituted or unsubstituted alkenyl; and   R 6 , R 7 , R 8 , R 9  and R 10  are each independently selected from hydrogen, halogen, hydroxyl, alkoxyl, nitro, substituted or unsubstituted amino, unsubstituted alkyl, and substituted or unsubstituted alkenyl.   
     
     
         37 . The agricultural composition of  claim 36 , wherein R 1  is hydroxyl. 
     
     
         38 . The agricultural composition of  claim 37 , wherein R 5  is hydrogen, hydroxyl, or part of a phenyl group with R 4 . 
     
     
         39 . The agricultural composition of  claim 37 , wherein R 4  is halogen, hydroxyl, or part of a phenyl group with R 5 . 
     
     
         40 . The agricultural composition of  claim 37 , wherein R 2  and R 4  are both halogen. 
     
     
         41 . The agricultural composition of  claim 40 , wherein R 7  and R 9  are both halogen. 
     
     
         42 . An agricultural composition comprising the compound of Formula I 
       
         
           
           
               
               
           
         
         or a salt thereof, wherein: 
         R 1 , R 3 , R 5 , R 6 , R 7 , R 8 , R 9 , and R 10  are each independently selected from hydrogen, halogen, hydroxyl, alkoxyl, nitro, substituted or unsubstituted amino, unsubstituted alkyl, substituted or unsubstituted alkenyl; and 
         R 2  and R 4  are each independently selected from hydrogen, hydroxyl, alkoxyl, nitro, substituted or unsubstituted amino, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, and substituted or unsubstituted carbonyl, 
         wherein, when contacted with a plant, the compound increases pathogen resistance or growth of the plant compared to pathogen resistance or growth of a control plant not contacted with the compound. 
       
     
     
         43 . The agricultural composition of  claim 42 , wherein:
 R 1 , R 3 , R 5 , R 6 , R 7 , R 8 , R 9 , and R 10  are each independently selected from hydrogen, halogen, hydroxyl, alkoxyl, nitro, substituted or unsubstituted amino, unsubstituted alkyl, substituted or unsubstituted alkenyl; and   R 2  and R 4  are each independently selected from hydrogen, hydroxyl, alkoxyl, nitro, substituted or unsubstituted amino, substituted or unsubstituted alkyl, and substituted or unsubstituted alkenyl.