Effects of fluorides on metabolism and visible injury in cut-flower crops and citrus
Conference
·
· Fluoride; (United States)
OSTI ID:5262677
Fluoride taken up by gladiolus roots caused foliar damage only when soil pH was low and F/sup -/ containing superphosphate was applied in relatively excessive amounts. This damage to leaves occurred more to leaf interior than to margins and tips as in F/sup -/ fumigation. Fluoride in leaves was found to move passively with the transpirational stream of water and accumulated at the terminus of translocation. Rose and gladiolus cut-flowers were damaged by low concentrations of F/sup -/ in vase water whereas the chrysanthemum was less affected. De novo chlorophyll synthesis in Vigna sinensis seedling leaves was inhibited by F/sup -/ absorbed by detached seedling tops. Yield of Valencia orange fruit was depressed by air-borne F/sup -/. Valencia leaves (a) were reduced in size, (b) had decreased photosynthetic rates and (c) had decreased chlorophyll content in response to increasing levels of airborne F/sup -/. 11 references, 6 tables.
- Research Organization:
- Univ. of Florida, Bradenton
- OSTI ID:
- 5262677
- Report Number(s):
- CONF-700359-
- Conference Information:
- Journal Name: Fluoride; (United States) Journal Volume: 4:1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
560303* -- Chemicals Metabolism & Toxicology-- Plants-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ABSORPTION
CHEMICAL REACTIONS
CITRUS
DATA
EXPERIMENTAL DATA
FLOWERS
FLUORIDES
FLUORINE COMPOUNDS
FOLIAR UPTAKE
FRUIT TREES
HALIDES
HALOGEN COMPOUNDS
INFORMATION
INHIBITION
INJURIES
LEAVES
METABOLISM
NUMERICAL DATA
PH VALUE
PHOTOCHEMICAL REACTIONS
PHOTOSYNTHESIS
PLANTS
PRODUCTIVITY
ROOT ABSORPTION
SOILS
SYNTHESIS
TOXICITY
TREES
UPTAKE
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ABSORPTION
CHEMICAL REACTIONS
CITRUS
DATA
EXPERIMENTAL DATA
FLOWERS
FLUORIDES
FLUORINE COMPOUNDS
FOLIAR UPTAKE
FRUIT TREES
HALIDES
HALOGEN COMPOUNDS
INFORMATION
INHIBITION
INJURIES
LEAVES
METABOLISM
NUMERICAL DATA
PH VALUE
PHOTOCHEMICAL REACTIONS
PHOTOSYNTHESIS
PLANTS
PRODUCTIVITY
ROOT ABSORPTION
SOILS
SYNTHESIS
TOXICITY
TREES
UPTAKE