Influence of fluoride on leaf scorch in various cultivars of Easter Lily

Journal Article · Thu Jan 01 04:00:00 EST 1976 · HortScience; (United States)

OSTI ID:6167463

Marousky, F J; Woltz, S S

Two rates of fluoride (F) were applied weekly (4 or 12 mg F/15 cm pot) in nutrient solutions to Croft, Ace and Nellie White bulbs grown in sand. Bulbs grown without F produced plants without injury. Plants grown with F produced leaf injury (scorch) closely correlated with level of applied F. Injury (scorch) symptoms on plants of Croft were a necrotic semi-circular area at the margin of the leaf near the apex. The semi-circular necrotic areas enlarged and the entire leaf tip became necrotic. Injury on plants of Ace varied from semi-circular necrotic areas to chlorotic and necrotic leaf margins. At a given F level, greater injury occurred in plants of Croft than Ace. Injury on Ace was primarily to lower foliage while on Croft injury was on all leaves. Plants of Nellie White had little injury and symptomology was similar to plants of Ace.

• Research Organization: Department of Agriculture, Bradenton, FL
• OSTI ID: 6167463
• Journal Information: HortScience; (United States), Journal Name: HortScience; (United States) Vol. 11:3; ISSN HJHSA
• Country of Publication: United States
• Language: English

Related Subjects

560303* -- Chemicals Metabolism & Toxicology-- Plants-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
COMPARATIVE EVALUATIONS
DOSE-RESPONSE RELATIONSHIPS
FLUORINE COMPOUNDS
HALOGEN COMPOUNDS
LEAVES
NECROSIS
ORNAMENTAL PLANTS
PATHOLOGICAL CHANGES
PLANTS
TOXICITY