Claim · model-written summary
Mn sprays produced no benefit in orange and grapefruit trees.
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Verbatim
t0“orange and grapefruit trees”
e3“Mn sprays produced no benefits even though they increased leaf Mn level”
Title
Dariusz Swietlik; Joe V. LaDuke Journal of Plant Nutrition 1991. doi:10.1080/01904169109364189
Other claims from this paper (8)
- Intervention effect Zn foliar sprays corrected Zn deficiency symptoms in orange and grapefruit trees.
- Intervention effect Zn foliar sprays raised leaf Zn content to an optimum range in orange and grapefruit trees.
- Intervention effect Zn sprays did not improve yield, fruit number or average fruit weight of orange and grapefruit trees.
- Intervention effect Zn sprays did not change canopy height and width of orange and grapefruit trees.
- Intervention effect Mn sprays increased leaf Mn level in orange and grapefruit trees.
- Intervention effect In some years, Zn and Mn sprays translocated to new leaves and raised their concentration by 2–5 ppm.
- Observation Leaf Zn in control Valencia orange trees varied from 13 to 26 ppm dry weight in Experiment 1.
- Observation Leaf Mn of control orange and grapefruit trees ranged from 25 to 39 ppm.