Abstract
A reduction in the size of tassels, male flowers, and anthers resulted from molybdenum deficiency in maize. In molybdenum-deficient plants, anthesis was suppressed or delayed and the anthers had fewer and smaller pollen grains that lacked dense cytoplasmic contents, appeared shrivelled, and had poor viability. Because of molybdenum deficiency, there was a decrease in the activity of starch phosphorylase in mature and freshly shed pollen grains and decreases in the activities of invertase and acid phosphatase at all the five stages at which pollen grains were assayed for the enzymes. The activities of catalase and peroxidase were increased by molybdenum deficiency at all five stages and that of ribonuclease at four out of the five stages of pollen development.
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Claims 7
Claim · model-written summary
Molybdenum deficiency altered maize size of tassels, male flowers, and anthers.
- Treatment
- molybdenum deficiencyt0
- Outcome
- size of tassels, male flowers, and antherse0
- Direction
- reductione0
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A reduction in the size of tassels, male flowers, and anthers resulted from molybdenum deficiency in maize”
t0“maize plants subjected to molybdenum deficiency”
Claim · model-written summary
Molybdenum deficiency altered maize anthesis.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In molybdenum-deficient plants, anthesis was suppressed or delayed”
t0“maize plants subjected to molybdenum deficiency”
Claim · model-written summary
Molybdenum deficiency altered maize pollen grains.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the anthers had fewer and smaller pollen grains that lacked dense cytoplasmic contents, appeared shrivelled, and had poor viability”
t0“maize plants subjected to molybdenum deficiency”
Claim · model-written summary
Molybdenum deficiency altered maize activity of starch phosphorylase.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there was a decrease in the activity of starch phosphorylase in mature and freshly shed pollen grains”
t0“maize plants subjected to molybdenum deficiency”
Claim · model-written summary
Molybdenum deficiency altered maize activities of invertase and acid phosphatase.
- Treatment
- molybdenum deficiencyt0
- Outcome
- activities of invertase and acid phosphatasee0
- Direction
- decreasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“decreases in the activities of invertase and acid phosphatase at all the five stages”
t0“maize plants subjected to molybdenum deficiency”
Claim · model-written summary
Molybdenum deficiency altered maize activities of catalase and peroxidase.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The activities of catalase and peroxidase were increased by molybdenum deficiency at all five stages”
t0“maize plants subjected to molybdenum deficiency”
Claim · model-written summary
Molybdenum deficiency altered maize ribonuclease.
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“that of ribonuclease at four out of the five stages of pollen development”
t0“maize plants subjected to molybdenum deficiency”
The same questions in other papers
molybdenum atom · growth · Zea mays (maize)Positive and negative results
4 papers in the same direction as this paper · 2 in the opposite direction
This paper is about lacking the nutrient, so it counts the other way round here.
- negative
- negative
- positive
3 papers more in this group
See all 7 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.