Quantcast Chemical, Physical, and Biological Properties of Herbicides and Plant Growth Regulators -Cont. - mo3140078

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CHEMICAL, PHYSICAL, AND BIOLOGICAL PROPERTIES OF HERBICIDES AND PLANT GROWTH REGULATORS -- Continued
Common and
Acute Oral
Chemical Designations1
Toxicity,
(Cost per Pound; and
Trade Name and
Dermal
L D50 (mg/kg)
Manufacturer2
Commercial Formulation
Toxicity
Biological Information and Remarks
and Rating
Bensulide
Bensulide is a preemergence, selective, soil-applied
moderately
PREFAR
770 moderately
herbicide for control of annual-grasses and some
0,0 -diisopropyl phos =
BETASAN
toxic
toxic
broadleaf weeds in some vegetable crops, and grass
phorodithioate-S-ester
Stauffer
and dichondra lawns. A small amount is absorbed by
with N -(2 mercaptoethyl)
LESCOSAN
roots of weeds, but little or none is translocated
benzenesulfonamide
Lesco
upward to leaves. It inhibits the growth of weed
($7.00/lb; granular,
roots, but the mechanism of action is not known.
emulsifiable concentrate)
Bensulide is degraded slowly by microorganisms in
the soil. There is little loss from the soil surface by
volatilization, but there is a small amount of photo-
decomposition. There is little leaching in soil. Its
half-life in moist soil is 4 to 6 months.
Selective foliage treatment that controls a number of
moderately
1,100
Bentazon
BASAGRAN
broadleaf weeds and nutsedge by contact action in
moderately
toxic
3-isopropyl 1 H -2,1,3-
BASF
most turfgrasscs and many large-seeded legume
benzothiadiazin-
toxic
crops. Rain shortly after application may decrease
4(3 H )-one 2,2-dioxide
effectiveness. Little basal movement with foliar ap-
(19.50/lb; water
plication, but movement upward through xylem tis-
solution of sodium salt)
sue is rapid after root absorption. It inhibits the Hill
reaction, and thus interferes with photosynthesis.
1
A chemical name occupying two lines separated by an equal ( =) sign would be joined together without any separation if written on one line.
2
Mention of trade name or company is for information only, and does not constitute an endorsement over other products not mentioned.





 


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