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crop-chem-docs/corpus/epa_ppls/352-707.md
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docker: production image + Gitea Actions for monthly refresh 
Dockerfile: self-contained image with corpus + Chroma + BM25 baked
in. Drawbar's compose pulls + runs without volume mounts. Built from
sources.json (labels schema), PRODUCT_NAME=crop_chem by default,
HYBRID_SEARCH=true (always-on for production quality). RERANK_URL +
OLLAMA_URL get set at compose time.

.gitea/workflows/refresh.yml: monthly cron (1st @ 06:00 UTC) does
full scrape → reindex → image push. Scrapes Bayer (~30 min) +
EPA PPLS row-crop filtered (~7h). Skips reindex+push if no corpus
diff. Tags pushed: :latest, :<sha12>, :corpus-<YYYY.MM.DD>.

.gitea/workflows/image-only.yml: on-demand or auto on code-only
pushes to main (paths: docs_mcp/, rag/, scrape/, requirements.txt,
Dockerfile, sources.json). Reindexes from committed corpus, builds
image, pushes. ~10 min vs ~9h full refresh.

.gitignore: corpus/ now COMMITTED (4,159 labels, 265 MB of .md +
sidecars). Lets image-only.yml rebuild indexes without re-scraping.
chroma/ + bm25/ still gitignored (regenerable binary indexes).

.dockerignore: drops venv, eval results, PLAN/README/CLAUDE.md,
deploy/, .git/ — keeps the image lean. corpus + chroma + bm25
explicitly NOT in dockerignore (those go INTO the image).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-24 12:32:41 -04:00

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# GX-270
- EPA Reg No: **352-707**
- Registrant: CORTEVA AGRISCIENCE, LLC
- Signal word: Caution
- Active ingredients: Copper hydroxide (17.1%); Copper sulfate pentahydrate (26.2%)
- Label accepted: 1999-08-24
- Source PDF: https://www3.epa.gov/pesticides/chem_search/ppls/001812-00419-19990824.pdf
---
(
t 8'J.:l--'-/19
A
AUG 24 IS!!! SUPPLEMENTAL LABELING
GX-270
(EPA Reg. No. 1812-419)
FOR USE ON TURFGRASS AND ORNAMENTALS
DIRECTIONS FOR USE
It is a violation of Federal Law to use this product in a manner inconsistent with its labeling.
TURFGRASS
1!~~~!~~~ =~~~~4;:i~, T6 e6ntr6i ; Apply per square feet in 5 gallons of water. GX-270
may be used alone or in combination with other registered turf fungicides as a maintenance
spray. Observe all precautions and limitations on the label of each product used in tank mixes.
NOTE: Phytotoxicity may occur depending on varietal differences. Apply the recommended
rate to a small area and observe for 7 to 10 days for signs of injury. Ifphytotoxicity occurs,
discontinue use. Do not apply in spray solutions with a pH ofless than 6.5.
ORNAMENTALS
Use GX-270 for control ofbacteriaJ. and funglill diseases of foliage, flowers and stems on
e6ntmner, benell er bed gro ,vn ornamentals in greenhouses, shadehouses, 8HtI outdoor nurseries,
fur pr6fessi6naillse 6n 61namentftls gle,vn fur ind66r and outdoor itlll,:i3eaping ~
pl~.i!. Md fur e6!itr6i ef bacterial anti fungal disea3es 6f f6iiage, 116 ... ers Md stems.
F61 C6ntr61 6f Diseases 6n Omamentals in GI eenh6l1ses, Shadeh6l1ses, Fields and
Nllueries: For ornamental crops in dormancy, apply as a thorough cover spray at rates ranging
from 0.75 to 3 pounds per acre of GX-270. When new growth is present, apply as a thorough
• • 0: •
cover spray at rates rangmg from 0.75 to 2 pounds per acre of GX-270. One level tablesp,,!oy.
cf GX-270 per 1,000 square feet is equivalent to 1 pound per acre. Begin application at first
sign of disease and repeat at 7 to 14 day intervals or as needed; use shorter interval during
periods of frequent rains or when severe disease conditions persist.
GX-270 may be used alone or in combination with other fungicides registered for use on
ornamentals as a maintenance spray. Use in accordance with the most restrictive oflabel
limitations and precautions. No label dosage rates should be exceeded. This product clllPc.t be . . ...
1 • • • .. , "
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mixed with any product containing a label prohibition against such mixing.
Notice to User: Plant sensitivities to GX-270 have been found to be acceptable for tml specific
genera and species listed on this label under the conditions tested. However, phytotoxicity may
occur. Due to the large number of species and varieties of ornamental and nursery plants, and
the widely (arying gl'6.vth ~~_i" conditions, it is impossible to test every one for
sensitivity to GX-270. Neither the manufacturer nor seller has determined whether or not GX-
270 can be safely used on ornamental or nursery plants not listed on this label. The user should
determine if GX-270 can be used safely prior to commercial use. In a small area, apply the
recommended rates to the plants in question, i.e. bedding plants, foliage, etc., and observe for 7
to 10 days for symptoms of phytotoxicity prior to commercial use.
Crop Scientific Name Disease
Aglaonema Aglaonema spp. Bacterial Leaf Spot
Althea (Rose of Sharon) Hibiscus syriacus Bacterial Leaf Spot
Andromeda, Japanese" Pieris japonica Leaf Spots, Twig Blight
Aralia Dizygotheca elegantissima Xanthomonas Leaf Spot,
Cercospora Leaf Spot,
Alternaria
Arborvitae Thujaspp .. Alternaria Twig Blight,
Cercospora L,eaf Blight
Aster* Aster spp. Downy Mildew,
Leaf Spots
Azalea 11 Rhododendron spp. Cercospora Leaf Spot,
Botrytis Blight, Phytophthora
Dieback, Powdery Mildew
Beech· Fagusspp. Leaf Spots
Begonia Begonia semperjlorens Bacterial Leaf Spot
(Xanthomonas spp., Erwinia
spp., Pseudomonas spp.)
Boston Fern Nephrolepis exaltata Bacterial Leaf Spot
2
Bougainvillea Bougainvillea spectabilis Anthracnose, Bacterial Leaf
Spot
Boxwood* Buxusspp. Leaf Spots
Camellia Camellia japonica, C. Anthracnose, Bacterial Leaf
sasanqua Spot
Camphor Tree Cinnamomum camphora Pseudomonas Leaf Spot
Canna Cannaspp. Pseudomonas Leaf Spot
Carnation 11 Dianthus spp. Alternaria Blight,
Pseudomonas Leaf Spot,
Botrytis Blight
Cedar* Cedrusspp. Tip Blight
Chinese Tallow Tree Sapium sebiferum Bacterial Leaf Spot
(Xanthomonas spp.,
Pseudomonas spp.)
Chrysanthemum 11 Chrysanthemum morifolium Septoria Leaf Spot, Botrytis
Blight, Pseudomonas Leaf
Spot
Cotoneaster Cotoneaster spp. Botrytis Blight
( Crabapple* Malusspp. Fire Blight
Cypress* Cupressus spp. Twig Blight
Dahlia Dahlia pinnata Alternaria Leaf Spot,
Botrytis Gray Mold,
Cercospora Leaf Spot
Date Palm Phoenix canariensis Pestalotia Leaf Spot
Delphinium* Delphinium spp. Leaf Spots
Dianthus Dianthus spp. Bacterial Spot, Bacterial Soft
Rot
Dogwood Cornus florida Anthracnose
3
Dracaena Draeaena marginata Bacterial Leaf Spot
Dumb Cane Dieffenbaehia spp. Bacterial Leaf Spot
Dusty Miller Senecio cineraria Bacterial Leaf Spot
(Pseudomonas ciehorii)
Easter Lily 21 Lilium longijlorum Botrytis Blight
Echinacea Eehinaeea spp. Bacterial Leaf Spot
(Pseudomonas ciehorii)
Elm, Chinese Ulmus parvifolia Xanthomonas Leaf Spot
( Euonymus Euonymus spp. Botrytis Blight, Anthracnose
European Fan Palm Chamaerops humilis Pestalotia Leaf Spot
Filbert (Omamental)* Corylus spp. Filbert Blight
Gardenia Gardenia jasminoides Alternaria Leaf Spot,
Botrytis Bud Rot, Cercospora
Leaf Spot
Geranium Pelargonium spp. Alternaria Leaf Spot,
Botrytis Gray Mold,
Cercospora Leaf Spot
( Gladiola Gladiolus spp. Alternaria Leaf Spot,
Anthracnose, Botrytis Gray
Mold, Bacterial Leaf Blight
Golden Rain Tree Koelreuteria panieulata Bacterial Leaf Spot
Grape Ivy Cissus spp. Bacterial Leaf Spot
Hawthom* Crataegus spp. Fire Blight
Hibiscus N Hibiscus spp. Bacterial Leaf Spot
Holly* llexspp. Bacterial Blight, Leaf Spots
Holly Fern Cyrtomium faleatum Pseudomonas Leaf Spot
Honeylocust Gleditsia triaeanthos Bacterial Leaf Spot
4
Impatiens Impatiens sallerana Bacterial Leaf Spot
Indian Hawthorn 'jj Raphiolepis indica Anthracnose, Entomosporium
Leaf Spot
Iris fl.1 Iris spp. Bacterial Leaf Spot
Ivy (English, Algerian) 1J Hedera helix, H canariensis Xanthomonas Leaf Spot
Ixora Ixora coccinea Xanthomonas Leaf Spot
Juniper Juniperus spp. Anthracnose, Twig Blight
Lantana Lantana camera Bacterial Leaf Spot
(
Lilac Syringa spp. Cercospora Leaf Spot
Linden- Tilia spp. Anthracnose, Leaf Blight
Loblolly Bay Gordonia lasianthus Anthracnose
Loquat Eriobotrya japonica Entomosporium maculata,
Colletotrichum spp.
Magnolia (Southern) Magnolia grandiflora Algal Leaf Spot, Anthracnose,
Bacterial Leaf Spot
Magnolia (Sweetbay) Magnolia virginiana Anthracnose
(
Magnolia (Oriental) Magnolia soulangiana Bacterial Leaf Spot
Mandevilla Mandevilla spp. Anthracnose
Maple- Acer spp. Pseudomonas Leaf Blight
Marigold Tagetes spp. Alternaria Leaf Spot,
Botrytis Leaf Rot, Flower Rot,
Cercospora Leaf Spot
Mountain-Ash- Sorbus spp. Fire Blight
Mulberry, Contorted Morus bombycis Bacterial Leaf Spot
5
Mulberry, Weeping Morusalba Bacterial Leaf Spot
Narcissus* Narcissus spp. Leaf Blight
Nephthytis Syngonium podophyllum Bacterial Leaf Spot
Oak* Quercus spp. Leaf Spots
Oak, Laurel Quercus laurifolia Algal Leaf Spot
(Cephaleuros virescens)
Oleander Nerium oleander Bacterial Leaf Spot,
Fungal Leaf Spot
Oregon Grapeholly* Mahonia acquifolium Leaf Spots
Pachysandra Pachysandra procumbens Volutella Leaf Blight
Parlor Palm Chamaedorea elegans Bacterial Leaf Spot
Peach (Flowering) 'J/* Prunusspp. Fire Blight, Bacterial Blast,
Brown Rot
Pear (Flowering) Pyrus calleryana Fire Blight, Leaf Spot
Pentas (Egyptian Star) Pentasspp. Bacterial Leaf Spot
(Xanthomonas spp.)
Peony Paeonia spp. Botrytis Blight
Periwinkle Catharanthus roseus, Phomopsis Stem Blight
Vinca spp.
Philodendron Philodendron selloum Bacterial Leaf Spot
Phlox Phloxspp. Alternaria Leaf Spot
Photinia (Red Tip) Photinia xfraserii, P. glabra Anthracnose, Entomosporium
Leaf Spot
Pine* Pinus spp. Needle Blight
Pistachio Pistacia chinensis Anthracnose
Plantain Lily fi! Hostaspp. Bacterial Leaf Spot
6
Plum (Flowering) 'J/* Prunusspp. Fire Blight, Bacterial Blast,
Brown Rot
Pothos Scindapsus spp. Bacterial Leaf Spot
Powder Puff Plant Calliandra spp. Bacterial Leaf Spot
pyracantha Pyracantha spp. Fire Blight, Scab
Queen Palm Arecastrum romanzojJianum Exosporium Leaf Spot,
Phytophthora Bud Rot
Rhododendron Rhododendron spp. Alternaria Flower Spot
( Rose 11 Rosaspp. Powdery Mildew, Black Spot
Snapdragon Antirrhinum majus Anthracnose, Dieback,
Downy Mildew
Spathe Flower Spathiphyllum spp. Bacterial Leaf Spot
Spirea* Spiraea spp. Fire Blight
Spruce* Picea spp. Needle Casts
Tatarian Honeysuckle Lonicera tatarica Bacterial Leaf Spot
(
Tulip Tulipaspp. Anthracnose,
Botrytis Blight
Umbrella Tree SchefJlera spp. Bacterial Leaf Spot
Verbena Verbena spp. Xanthomonas Leaf Spot
Viburnum Viburnum odoratissimum, Anthracnose
V. plicatum, V. suspensum
Viola (pansy, Violet)* Viola spp. Downy Mildew
Washingtonia Palm Washingtonia robusta Pestalotia Leaf Spot
Weeping Fig Ficus benjamina Bacterial Leaf Spot
7
(
Willow Salix spp.
Yew· Taxusspp.
Yucca (Adam's Needle) Yucca spp.
Zitmia* Zinnia spp.
*Use in all states except California
Anthracnose
Needle Blight
Cercospora Leaf Spot,
Septoria Leaf Spot
Leaf Spots
1/ Discoloration of foliage and/or blooms bas been noted on some varieties. To prevent
residues on commercial plants, do not spray immediately before selling season.
£j Apply GX-270 at 2.25 to 3.75 pounds per acre.
J/ Apply dormant through bloom only.
1/ Hibiscus - Do not apply to plants in flower.
'j/ For Indian Hawthorn use 1.5 to 3.0 pounds per acre.
§/ Some cuitivars may be sensitive to GX-270.
NOTE: Phytotoxicity may depend on varietal differences. Ifunfarniliar with the use ofGX-
270, apply the recommended rate to a few plants and observe after 7 to 10 days for symptoms of
phytotoxicity .
IMPORTANT: All applicable directions, restrictions and precautions on the EPA registered
label are to be followed. This labeling must be in the possession of the user at the time of
pesticide application.
8
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