GADAR (HERBICIDES)

GADAR (Pendimethalin 30% EC)

  • It is emulsifiable pre-emergence selective herbicide.
  • Gadar is very much helpful in controlling the weeds of various crops.
  • It acts by disrupting cell division and cell elongation in shoot and root meristem.
  • The mechanism involves inhibition of microtubule formation in cells which results in inhibition of cell division.
  • In wheat it is applied as pre-emergence i.e. immediately after sowing.
  • It should not be used in the areas where aquaculture / pisciculture is practiced along with rice cultivation.


Product Name

:

Pendimethalin
Type of pesticide

:

Herbicides
Chemical name

:

N-(1-ethylpropyl)-3,4-dimethyl-2,6-dinitrobenzenamine
Empirical Formula

:

C13H19N3O4

CAS No.

:

[40487-42-1]
UN No

:

3082
Packing group

:

III
IMDG

:

Class-9 [Environmentally hazardous substance, liquid, N.O.S. (Pendimethalin)]
Shelf-life

:

Two years under normal storage conditions.

DESCRIPTION

Pendimethalin is an herbicide of the dinitroaniline class used in pre emergence and post emergence applications to control annual grasses and certain broadleaf weeds. It inhibits cell division and cell elongation. Microtubule assembly inhibition.
Mode of action
Selective herbicide, absorbed by the roots and leaves. Affected plants die shortly after germination or following emergence from the soil.
Applications
It is used to control most annual grasses and some broad-leaved weeds.
It is recommended for use in soybean, cotton, chilli.
It protects crops like wheat, corn, soybeans potatoes, cabbage, peas, carrots and asparagus. It is used to control annual grasses and certain broadleaf weeds which interfere with growth.
It inhibits root and shoot growth. It controls the weed population and prevents weeds from emerging, particularly during the crucial development phase of the crop.
It is used to control most annual grasses and some broad-leaved weeds.
Structure Formula

:

Physical Properties
Appearance

:

Orange Yellow Crystals
Pendimethalin content, percent by mass

 

90.00% Min.
Melting Point

:

54-58 ºC
Material insoluble in acetone, percent by mass , Max.

:

1.0% Max.
Acidity (as H2SO4), percent by mass, Max.

:

0.50% Max.
Compatibility.

:

Strong alkaline material, acid or oxidizing materials.
TOXICITY  DATA
Mammalian Toxicity

:

WHO (a.i.) III; Slightly hazardous
Environmental Toxicity

:

The major metabolic routes for pendimethalin involve hydroxylation of the 4-methyl and N-1ethyl groups, oxidation of these alkyl groups to carboxylic acids, nitro-reduction, cyclisation and conjugation. Not toxic for birds, mallard ducks, bobwhite quail. It is very toxic to fish, rainbow trout, bluegill sunfish, channel catfish. It is non toxic for worms. It is non toxic for bees.
Formulation

:

30% EC
Trade name

:

GADAR
Packing detail

:

250ml, 500ml, 1Ltr, 5Ltr, 20Ltr, 200Ltr
Recommendations
Crop Weed Species Dosage/acre(ml) Dilution in Water (Liter) Waiting Period

(days

Wheat

 

Phalaris minor, Chenopodium album, Melilotus alba, Portulaca oleracea, Anaglis arvensis, Fumaria parviflora, Poa annua 1320-2000 200-280 -
Rice (Transplanted & direct sown upland)

 

Echinochloa colona, Echinochloa crusgalli, Fimbristylis mitiaeceae, Marsila quadrifoliata, Altarnanthera sessilia, Ammania baccifera, Eclipta alba, Ludwigia parvlflora, Cyperus difformis, 1320-2000 200-280 -
Cotton

 

Echinnochloa spp, Euphoriba hirta, Amaranthus viridis, Portulaca oleracea, Trianthema spp.,Eleusine indica 1000-1666 200-280 150
Soyabean

 

Echinochloa spp., Euphorbia spp., Amaranthus viridis, Portulaca oleracea, Trianthema spp., Eleusine indica 1000-1320 200-280 110
Pigeon Pea

 

Digitaria sanguinalis, Digeria arvensis, Amaranthus spp., Triarithema spp., Euphorbia hirta, Cyperus spp., Eragrostis spp., 1000-1332 200 133
Chillies

 

Echinochloa spp., Eleusine indica, 1000-1666 200-280 15 Days
Onion

 

Chenopodium album, Melilotus spp., Digitaria Sanguinalis, Anagalis arvensis, Eleusine indica, Echinochloa spp., portulaca oleracea 1000-1320 200-280 15 Days

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