A HISTOCHEMICAL STUDY OF ABSCISSION LAYER FORMATION IN THE BEAN

The effect of 6-benzylaminopurine (BAP) on separation layer formation of mungbean Vigna radiata (L.) Wilczek var. walet was carried out. The objective was to know the effect of BAP on separation layer formation. The experiment was done by spraying the first inflorescent with 8 x 10-4 M BAP three days before and three days after the fifth flower was anthesis. Samples of flower pedicellus were taken three days before dan three days after fifth flower was bloom. Then they were fixed and processed for anatomical observation by preparing histological slides accoding to O’Brien and Horner (1981). The result show that in control plant, two days before the fifth flower started to anthesis, cells of the abscission zone started to be activated to form separation layer. It was initiated by cell division within the adaxial edge and progressing inward across the cortex to the vascular strands. Abscission layer was completed at the time or a day after the fifth flower was anthesis. No histological changes observed in with 8 x 10-4 M BAP treated plant. No abscission layer were recorded for the pedicels treated plant during the course of the experimentKey word : 6-benzylaminopurine (BAP), abscission zone, pedicel

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Effect of quantitative trait loci for seed shattering on abscission layer formation in Asian wild rice Oryza rufipogon

Breeding Science ◽

10.1270/jsbbs.64.199 ◽

2014 ◽

Vol 64 (3) ◽

pp. 199-205 ◽

Cited By ~ 18

Author(s):

Than Myint Htun ◽

Chizuru Inoue ◽

Orn Chhourn ◽

Takashige Ishii ◽

Ryo Ishikawa

Keyword(s):

Quantitative Trait Loci ◽

Quantitative Trait ◽

Wild Rice ◽

Oryza Rufipogon ◽

Layer Formation ◽

Abscission Layer ◽

Seed Shattering ◽

Trait Loci

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Inhibition of abscission layer formation by an interaction of two seed-shattering loci, sh4 and qSH3, in rice

Genes & Genetic Systems ◽

10.1266/ggs.90.1 ◽

2015 ◽

Vol 90 (1) ◽

pp. 1-9 ◽

Cited By ~ 11

Author(s):

Chizuru Inoue ◽

Than Myint Htun ◽

Kanako Inoue ◽

Ken-ichi Ikeda ◽

Takashige Ishii ◽

...

Keyword(s):

Layer Formation ◽

Abscission Layer ◽

Seed Shattering

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Ethylene-sensitive Abscission Layer Formation and Petal Senescence in Cut Dahlia Inflorescences

The Horticulture Journal ◽

10.2503/hortj.utd-281 ◽

2021 ◽

Author(s):

Yang Yang ◽

Shun Takenaga ◽

Sho Ohno ◽

Motoaki Doi

Keyword(s):

Layer Formation ◽

Abscission Layer ◽

Petal Senescence

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The senescence syndrome in plants: an overview of phytogerontology

Proceedings of the Royal Society of Edinburgh Section B Biological Sciences ◽

10.1017/s0269727000014470 ◽

1994 ◽

Vol 102 ◽

pp. 447-458 ◽

Cited By ~ 5

Author(s):

J. R. Hillman ◽

S. M. Glidewell ◽

N. Deighton

Keyword(s):

Cell Differentiation ◽

Intact Plant ◽

Layer Formation ◽

Physical Damage ◽

Abscission Layer ◽

Pests And Diseases ◽

Environmental Perturbations ◽

Plant Sciences

SynopsisThe deteriorative processes leading to the death of a population, individual or part of an individual can be genetically programmed or induced by environmental perturbations, physical damage, pests and diseases. Senescence in multicellular plants is typically a phenomenon resulting from cell differentiation and loss of totipotency. Recycling of nutrients released from senescent cells, abscission layer formation, containment of pathogens and dispersal of progeny are crucial aspects of senescence management. Senescence-related autocatalytic changes induced by substances generally thought to regulate senescence may not mirror the sequence of changes occurring naturally through correlative processes in the intact plant. The chloroplast has a key role in reversing senescence-related degradation of other organelles. Conventional symptoms of senescence used in plant sciences have obscured common theories of senescence regulation for all types of organism.

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