Abstract
Abstract Molybdenum deficiencies have been noted in the southeastern United States but there is limited information on plant and available soil Mo levels. Also, there has been little research directed toward interpreting these levels. Samples of 20 Coastal Plain and Piedmont soils were extracted with acid ammonium oxalate solution (Grigg Mo) and with anion exchange resin (resin Mo). Grigg Mo levels ranged from 17 to 183 μg/kg and resin from 2.5 to 11.1 μg/kg. Growth and uptake of Mo was determined on Early Snowball cauliflower ( Brassica olera cea botrytis L.) grown in the soils which had been treated with none or 1 μg Mo/g soil. Soils from the Piedmont region without Mo produced cauliflower plants with Mo deficiency symptoms. Applied Mo increased dry weight and Mo concentration of cauliflower grown in most of the soils. No correlation was found, however, between response or plant Mo concentration and extractable Mo. The relative yield increases for applied Mo and plant Mo concentration could both be predicted reasonably well, though, from the active iron ratio (amorphous Fe/free Fe) and soil pH levels.
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Claims 6
Claim · model-written summary
Applied Mo increased dry weight and Mo concentration of cauliflower grown in most soils.
- Taxon
- cauliflower
Brassica oleracea var. botrytise2 - Material
- Early Snowballe1
- Treatment
- Applied Moe2
- Outcome
- dry weight and Mo concentratione2
- Direction
- increasede2
- Qualifier
- most of the soilse2
- Comparator
- nonee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Growth and uptake of Mo was determined on Early Snowball cauliflower ( Brassica olera cea botrytis L.) grown in the soils which had been treated with none or 1 μg Mo/g soil”
e2“Applied Mo increased dry weight and Mo concentration of cauliflower grown in most of the soils”
Claim · model-written summary
Soils from the Piedmont region without Mo produced cauliflower plants with Mo deficiency symptoms.
- Taxon
- cauliflowerBrassica oleracea var. botrytise1
- Treatment
- without Moe1
- Outcome
- Mo deficiency symptomse1
- Setting
- Piedmont regione1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Soils from the Piedmont region without Mo produced cauliflower plants with Mo deficiency symptoms”
Claim · model-written summary
No correlation was found between plant response or plant Mo concentration and extractable Mo.
- Taxon
- cauliflowerBrassica oleracea var. botrytise2
- Material
- Early Snowballe2
- Outcome
- plant Mo concentratione1
- Direction
- no_changeinferrede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“No correlation was found, however, between response or plant Mo concentration and extractable Mo”
e2“Growth and uptake of Mo was determined on Early Snowball cauliflower”
Claim · model-written summary
Relative yield increases for applied Mo could be predicted from the active iron ratio and soil pH levels.
- Taxon
- cauliflowerBrassica oleracea var. botrytise2
- Treatment
- active iron ratioe1
- Outcome
- relative yielde1
- Direction
- increasese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The relative yield increases for applied Mo and plant Mo concentration could both be predicted reasonably well, though, from the active iron ratio (amorphous Fe/free Fe) and soil pH levels”
e2“Applied Mo increased dry weight and Mo concentration of cauliflower grown in most of the soils”
Claim · model-written summary
Grigg Mo levels in the soils ranged from 17 to 183 μg/kg.
- Taxon
- cauliflowerBrassica oleracea var. botrytise2
- Outcome
- Grigg Mo levelse1
- Value
- 17 to 183 μg/kge1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Grigg Mo levels ranged from 17 to 183 μg/kg and resin from 2.5 to 11.1 μg/kg”
e2“Applied Mo increased dry weight and Mo concentration of cauliflower grown in most of the soils”
Claim · model-written summary
Resin Mo ranged from 2.5 to 11.1 μg/kg in the soils.
- Taxon
- cauliflowerBrassica oleracea var. botrytise2
- Outcome
- resine1
- Value
- 2.5 to 11.1 μg/kge1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Grigg Mo levels ranged from 17 to 183 μg/kg and resin from 2.5 to 11.1 μg/kg”
e2“Applied Mo increased dry weight and Mo concentration of cauliflower grown in most of the soils”
The same questions in other papers
molybdenum atom · growth · Brassica oleracea (wild cabbage)Results differ
13 papers in the same direction as this paper · 3 in the opposite direction
- negative
- negative
- negative
13 papers more in this group
See all 17 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.