Claim · model-written summary
A perinuclear zone forms in early diakinesis.
- Taxon
- Cucurbita maxima
Cucurbita maximat0 - Organ / stage
- early diakinesise0
- Outcome
- perinuclear zone is formede0
Not reportedMaterialGeneCompoundInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“During early diakinesis a perinuclear zone is formed”
t0“Cucurbita maxima”
Title
Microsporogensis in Cucurbita maxima
Edward F. Castetter UNI ScholarWorks (University of Northern Iowa) 1925
Other claims from this paper (7)
- Observation Pollen mother cells form from one longitudinal row of primary sporogenous cells per anther lobe.
- Observation Fibers from the perinuclear zone and nuclear interior form the multipolar spindle.
- Observation Twenty bivalent chromosomes occur at heterotypic division.
- Observation Root tip cells had forty somatic chromosomes.
- Observation A callose wall forms around the mother cell during diakinesis.
- Observation A special callose wall forms inside the original wall after heterotypic division.
- Observation Centripetally growing partition walls divide the mother cell into four.