|Crop||Target Pest||Formulation concentration|
|Corn||Broadleaf weed Amaranthus sp., Physalis sp Grass weeds Cynodon Dactylon, Echinochloa colona||1.5 - 2.5 l / ha|
1. Metsulfuron-methyl is an organic compound classified as a sulfonylurea herbicide
2. which kills broadleaf weeds and some annual grasses.
3. It is a systemic compound with foliar and soil activity that inhibits cell division in shoots and roots
1. It is a selective systemic corn herbicide which contain three active ingredients
2. Atrazine functions by binding to the plastoquinone-binding protein in photosystem II.
3. Plant death results from starvation and oxidative damage caused by breakdown in the electron transport process.
4. Atrazine kill broadleaf and grassy weeds by absorbing through the weed's roots in liquid form.
5. It travels up to the actively growing leaves and tips and inhibits photosynthesis. This takes about two to three weeks
6. Mesotrione inhibit the enzyme p-hydroxyphenylpyruvate dioxygenase (HPPD) which is involved in carotenoid pigment synthesis that protects chlorophyll from decomposition by sunlight
7. Nicosulfuron is rapidly absorbed by leaf tissue and is translocated meristems via the phloem and xylem.
8. It controls weeds by inhibiting acetolactate synthase (ALS) also called acetohydroxy acid synthase (AHAS). ALS is a necessary enzyme for the production of three branched-chain amino acids isoleucine leucine and valine.
9. Weeds treated with nicosulfuron will first begin to develop chlorosis in the new growth and then gradually as the weed continues to be starved of the vital branched-chain amino acids the chlorosis symptomology will develop in older growth. Chlorotic symptomology then turns to necrosis and desiccation of the plant tissue occurs. Control typically takes 3-4 weeks from treatment to plant death
No specific antidote is known. Treat symptomatically