Quick Guide to used in Rice Cultivation in Sri Lanka

Generic Name/ Dialution Rate of Time of Category **Trade Name (product application Spraying (days Mode of Action * of Herbi- per 16l of (l/ha) after estab- cide water) lishment) Pre-plant Not available at the moment in Sri Lanka Herbicides

Pretilachlor 300g/l EC 64-80ml 1.6l 0-3 Inhibiton of Cell Division **Sofit 30EC Oxyfluorfen 240g/l EC 4ml 0.5l 3-5 Protoporphyringen Oxidase Inhibitor **Goal 2XL, Galigan 0.3l 2-3 Pyrazosulfuron-ethyl 10% WP 8.96-11.2g 225g 3-7 Acetolactate Synthase Inhibitor **Sirius Pretilachlor 300g/l+Pyribenzoxim 20g/l EC 48-64ml 1.25l 6-10 Inhibiton of Cell Division+ **Solito 320EC Acetolactate Synthase Inhibitor Propyrisulfuron 10% SC 20ml 0.5l 6-14 AcetolInhibitoracta tInhibite Syntorha Inhse Inhibitoibrito r ** Sumo Inhibitor Inhibitor Inhibitor

O Bispyribac sodium 15g/l+Thiobencarb 900g/l OD 60.8-76.8ml 1.5l 7-14 AcetolaInhctaitbeito Syrn Inhthaisebit Inhor ibitor

n

e **Solo

- shot h Azim sulfuron 50% WG 2.4-3.04g 60g 7-15 Acetolactate Synthase Inhibitor (14) **Galiver

e

rb Pyribenzoxim 50g/l EC 20-25.6ml 0.5l 7-18 Acetolactate Synthase Inhibitor

i c **Pyanchor 5% EC

i

d

e

s Bispyribac sodium 100g/l 12-16ml 300ml 8-14 Acetolactate Synthase Inhibitor **Nominee Bispyribac sodium 40g/l SC+Metamifop 100g/l SC 25-32ml 625ml 8-14 Acetolactate Synthase Inhibitor+ **Kiseki Acetyl CoA Carboxylase Inhibitor Flucetosulfuron 10% w/w WG 8g 200g 8-14 Acetolactate Synthase Inhibitor ** ?? Bispyribac sodium 20% WP 8.96-11.2g 225g 10-18 Acetolactate Synthase Inhibitor **Kensolo Penoxulam 240g/lSC 4-5.12ml 100ml 10-18 Acetolactate Synthase Inhibitor **Granite Fenoxaprop-p-ethyl 69g/l+Ethoxsulfuron 20g/l OD 20-25.6ml 0.5l 14-21 Acetyl CoA Carboxylase Inhibitor **Tiller Gold

Cyhalofop-butyl 100g/l EC 80-102.4ml 2.0l 7-15 Acetyl CoA Carboxylase Inhibitor G **Clincher 10EC

ra

s

s Metamifop 10% EC 52.8ml 1250ml 7-21 Acetyl CoA Carboxylase Inhibitor

K

ill ** Matari

ers 250g/l SC 32-40ml 800ml 8-15 Unknown MoA

(04) ** Facet Fenoxaprop-p-ethyl 75g/l EW 14.4-17.6ml 350ml 16-25 Acetyl CoA Carboxylase Inhibitor

**Whip Super 7.5EW

Cyclosulfamuron 10% WP 10.08-12.48g 250g 12-25 Acetolactate Synthase Inhibitor **Invest Ethoxysulfuron 15% WG 3.2-14g 80g 14-21 Acetolactate Synthase Inhibitor

S

e

d **Sunrice

ges Carfentrazone-ethyl 240g/l EC 4.8-6.08ml 120ml 14-21 Protoporphyringen Oxidase Inhibitor

a

nd br **Affinity 24EC Bensulfuron methyl 8.25%+Metsulfuron 10.08-12.48g 250g 12-25 Acetolactate Synthase Inhibitor

o

ad methyl1.75%

l Flucetosulfuron 10%WG 10.08-12.48g 250g 12-18 Acetolactate Synthase Inhibitor

ea

v **Fluto

es

Orthosulfamuron 50% WG 6.08-7.52g 150g 15 Acetolactate Synthase Inhibitor

kill **Pivot

ers MCPA 400g/l SL 112-140.08ml 2.8l 21-28 Synthetic (Growth Regulator)

(08) **M40 MCPA 600g/l SL 72-89.6ml 1.8l 21-28 Synthetic Auxin (Growth Regulator) **M60

(Source: Department of Agriculture, Pest Management Recommendations, 2015)

Application of a same or hericides having similar mode of action, continously in a same field may cause resistance development of weeds against herbicides. Therefore, rotation of herbicides having different mode of actions to be practiced in order to manage resistance development problem.

Prepared By: R.M.U.S. Bandara, Weed Scientist, Y.M.S.H.I.U. De Silva, Research Assistant, H.M.M.K.K.H. Dissanayaka, Technical Assistant, Rice Research and Development Institute, Batalagoda, Ibbagamuwa Contacts : 0372258561, 0372259881 (Fax), [email protected]