ASTM E628-91

Guide for Field Evaluation of Nematode Control Agents-Test Materials and Environmental Conditions

General Information

• Status: Historical
• Publication Date: 31-Dec-1990
• Technical Committee: E35 - Pesticides, Antimicrobials, and Alternative Control Agents

Standards Content (Sample)

ASTM E628 93 m 0759530 ~ -~ 0077833 8 m
~-~ ~
AMERICAN SOCIETY FOR TESTING AND MATERIALS
#fb Designation: E 628 - 91
1916 RaceSt Philadelphia, Pa 19103
Reprinted from the Annwl Book of ASTh4 Standards. Copyright ASTM
If not liited In the current combined index, will appear in the next daion.
Standard Guide for
Field Evaluation of Nematode Control Agents-Test Materials
and Environmental Conditions’
This standard is issued under the fixed designation E 628; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year oflast reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope application in terms of crop planting date, emergence date,
growth stage, or preharvest interval and intervals between
1.1 This guide covers the information on test materials
application. Target-pest population levels and incidence
and environmental and cultural conditions that should be
should be specified.
recorded during field tests of experimental nematicides in
2.4.2.1 Preplant-Before seeds or seedlings are planted.
order to achieve meaningful evaluation. Test materials and
2.4.2.2 At-planting-At the time seeds or seedlings are
environmental and cultural conditions are important factors
planted.
that influence the results of secondary or field evaluation of
2.4.2.3 Postplant-After seeds or seedlings are planted
nematicides.
and on established plantings. Plant size, stage of growth or
1.2 This standard does not pirrport to address all of the
number of days since emergence, or both, should be recorded
safity problems, if any, associated with its use. It is the
for postplant applications.
responsibility of rhe user of this standard to establish appro-
2.5 Method of Application:
priate safity and health practices and determine the applica-
2.5,l The method of application, including specialized
bility of regulatory limitations prior to irse.
equipment, should be specified. Descriptive terms such as
spraying, injecting, spacing, soaking, rinsing, and flooding
2. Test Materials
should be used when appropriate.
2.5.2 Soil applications should include such information
2.1 All test materials should be compared with (I) an
as: band width, row spacing, chisel spacing, depth of applica-
untreated control in which all operations are repeated,
tion, time interval between application and incorporation,
deleting the experimental nematicides; and (2) with a known
or, if applied on the surface, method and depth of incorpo-
standard, usually one of the materials currently recom-
ration, if any.
mended. For evaluation of field trials of experimental
2.5.3 Description of row applications should include
nematicides, it is helpful to know as much as possible about
whether applied in-furrow, band-over-row, or side-dressed
the biological activity and chemical and physical properties
(pre-plant, at-planting, post-plant, post-emergence), For side-
of the test material. Pertinent literature or technical reports
dress applications, placement in relation to seed or plant
should be reviewed before designing field trials.
should be given.
2.2 Formulation-The formulation type: emulsifiable
2.5.4 Treatment may be overall, strip, row, site, root-dip,
concentrate, wettable powder, fìowable, water-soluble, or
or foliar spray and may be injected into the soil, or applied to
granular (mesh size) should be included. The names and
the soil surface as a drench, spray, granule, or in irrigation
percentage of every ingredient in the formulation, lot
water. Granules may be incorporated into the top few
number on the package label, date received and, if possible,
centimetres of soil, or the active ingredient may be washed
date sent should be recorded. If a nematicide is diluted before.
from the granules by irrigation or rainfall. Care should
application, the diluent and quantity used should be speci-
of treated areas
always be taken to prevent recontamination
fied by common and chemical names,
by cultivation or other means of blending soil from
2.3 Rate(s) of Application-Rates should be clearly and
nontreated areas with soil from treated areas.
precisely stated as formulation and active ingredient in one
2.5.5 Methods of application in irrigation water include
or more of the following terms: the quantity per unit of area,
overhead-sprinkler, flood, trickle, row or furrow, and basin.
if treated overail (broadcast), the quantity per linear distance
2.6 Application Equipment-Refer to ASTM Subcom-
and row spacing, if row treated, and width of band and row
mittee E35.22 standards on equipment.
spacing, if band treated.
2.4 Number and Timing of Applications:
2.4,l Dates (month, day, and year) of preplant, or
3. Environmental and Cultural Conditions
postplant applications, or both, should be recorded.
3.1 In
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