Abstract
Abstract Chemical coatings on seed are commonly used in the grain sorghum seed industry to protect plants against herbicide damage and to inoculate young plants against certain disease. In this study, grain sorghum grown from seed safened with CGA‐92194 ([(l,3‐dioxolo‐2‐yl‐methoxy)‐imino] benzene‐acetonitrile} against injury from the herbicide, metolachlor, was studied for seedling vigor, seedling emergence, plant growth, and Fe‐deficiency chlorosis. Other seed was additionally treated with a systemic fungicide [(Metalaxyl:N‐(2,6‐dimethylphenyl)‐N‐(methoxyacetyl) alaminemethyl ester)] for control of systemic downy mildew and diseases caused by soilborne Phythium and Phytophthora spp. The experiment was conducted on Fe‐sufficient and Fe‐deficient soils. CGA‐92194 safened seed showed a slight reduction in stand on Goliad sandy loam soils (Fe‐sufficient), while the addition of the fungicide together with the herbicide safener reduced plant emergence by 39%. Sorghum emergence was generally not affected by seed treatment on the Monteola clay (Fe‐deficient). Soil applications of Fe‐EDDHA appeared to ameliorate the deleterious effects of seed treatment on the coarse textured soil. CCA‐92194 reduced early plant growth approximately some 30% on the coarse textured soil but had no effect on the clay. Fungicide and CCA‐92194 treated seed resulted in 70% and 24% reduction in seedling growth for the sandy and clay soils, respectively. A slight increase in Fe‐deficiency chlorosis was noted on sorghum grown from coated seed on the Monteola soil. Iron treatment on the sandy soil appeared to reduce suppression of growth due to the seed treatment.
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Claims 10
Claim · model-written summary
CGA‐92194 seed safening slightly reduced sorghum stand on Fe sufficient Goliad sandy loam.
SorghumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum”
e0“CGA‐92194 safened seed showed a slight reduction in stand on Goliad sandy loam soils (Fe‐sufficient)”
Claim · model-written summary
Adding fungicide to the safener reduced emergence by 39% on Goliad sandy loam.
- Treatment
- the addition of the fungicide together with the herbicide safenere0
- Outcome
- plant emergencee0
- Direction
- reducede0
- Value
- 39%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum”
e0“the addition of the fungicide together with the herbicide safener reduced plant emergence by 39%”
Claim · model-written summary
Seed treatment generally did not affect sorghum emergence on Monteola clay.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum”
e0“Sorghum emergence was generally not affected by seed treatment on the Monteola clay (Fe‐deficient)”
Claim · model-written summary
Soil Fe‐EDDHA appeared to ameliorate adverse seed treatment effects on coarse soil.
- Treatment
- Soil applications of Fe‐EDDHAe0
- Outcome
- deleterious effects of seed treatmente0
- Direction
- amelioratee0
- Setting
- coarse textured soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum”
e0“Soil applications of Fe‐EDDHA appeared to ameliorate the deleterious effects of seed treatment on the coarse textured soil”
Claim · model-written summary
CCA‐92194 reduced early growth about 30% on coarse textured soil.
- Treatment
- CCA‐92194e0
- Outcome
- early plant growthe0
- Direction
- reducede0
- Value
- 30%e0
- Setting
- coarse textured soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum”
e0“CCA‐92194 reduced early plant growth approximately some 30% on the coarse textured soil”
Claim · model-written summary
CCA‐92194 had no effect on growth on clay.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum”
e0“CCA‐92194 reduced early plant growth approximately some 30% on the coarse textured soil but had no effect on the clay”
Claim · model-written summary
Fungicide plus CCA‐92194 reduced seedling growth by 70% on sandy soil.
- Treatment
- Fungicide and CCA‐92194 treated seede0
- Outcome
- seedling growthe0
- Direction
- reductione0
- Value
- 70%e0
- Setting
- sandye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum”
e0“Fungicide and CCA‐92194 treated seed resulted in 70% and 24% reduction in seedling growth for the sandy and clay soils, respectively”
Claim · model-written summary
Fungicide plus CCA‐92194 reduced seedling growth by 24% on clay soil.
- Treatment
- Fungicide and CCA‐92194 treated seede0
- Outcome
- seedling growthe0
- Direction
- reductione0
- Value
- 24%e0
- Setting
- clay soilse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum”
e0“Fungicide and CCA‐92194 treated seed resulted in 70% and 24% reduction in seedling growth for the sandy and clay soils, respectively”
Claim · model-written summary
Seed coating slightly increased sorghum Fe deficiency chlorosis on Monteola soil.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum”
e0“A slight increase in Fe‐deficiency chlorosis was noted on sorghum grown from coated seed on the Monteola soil”
Claim · model-written summary
Iron treatment appeared to reduce seed treatment growth suppression on sandy soil.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum”
e0“Iron treatment on the sandy soil appeared to reduce suppression of growth due to the seed treatment”
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