2 4 D herbicide
Specification:
720g/L SL,600g/L SL
Category:
Introduction
Active ingredient | 2,4-D dimethyl amine salt | ||
Classification | Herbicide / Agrochemical | ||
Mode of Action | Selective systemic her民森bicide. Salts are readil區玩y absorbed by the熱可 roots, whilst esters民資 are readily absorbed by 遠好the foliage. Translocatio些麗n occurs, with accumulation princ費場ipally at the meristematic regions問又 of shoots and roots. Acts as a gro答什wth inhibitor. |
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Uses | Post-emergence contr低老ol of annual and perennial broad-leave火訊d weeds in cereals, maize, sorghum, grassland, 月男established turf,頻醫 grass seed crop匠業s, orchards (pome fr機會uit and stone fruit), cranberr器問ies, asparagus, sugar cane, 師民rice, forestry, and on non-crop la影說nd (including areas adjace信制nt to water), at 0.28-2.3 kg/ha. Control o他厭f broad-leaved aquatic weeds. The i森山sopropyl ester can also be us見理ed as a plant growth regulator to prev會民ent premature fruit fall in citrus f綠老ruit. |
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Phytotoxicity | Phytotoxic to most b技他road-leaved crops,關看 especially cott理謝on, vines, tomatoes, orn開討amentals, fruit trees, oilseed算站 rape and beet. | ||
Toxicity | Oral: Acute oral LD50 for rats 639民睡-764, mice 138 mg/kg. Skin and eye: Acute友農 percutaneous L場子D50 for rats >1600, rabbits >懂近 2400 mg/kg. Skin 妹市and eye irritant (rabbits). A skin s草市ensitiser (guinea pigs). Inhalation: LC50 (24 嗎美h) for rats >1.79 mg/l. |
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Certificate of quality | 2,4-D Amine salt 720小志g/l SL | ||
Item Appearance A.I. Content Water content Free phenol (Calculat購雜ed as 2,4-Dichlorophenol)
pH value Stability of the emulsion (20 times裡動) Heat storage stability Cold storage stability |
Specification Yellow liquid ≥720g/L ≤0.3% ≤0.2% 7.0-10.0
FAO Standard
FAO Standard FAO Standard |
2,4-D is a selective sys務務temic herbicide. Salts are readily abso麗愛rbed by the roots答去, whilst esters are readily absor雨又bed by the foliage. 空上Translocation occurs, with票湖 accumulation prin鐘歌cipally at the 現湖meristematic regions of shoots and roo門影ts. Acts as a growth inhibitor.志車 Post-emergence control有亮 of annual and perennial broad-leaved動子 weeds in many fields. 有章
Keywords:
2 4 D herbicide
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