3.9 C
Thursday, April 9, 2020
Tags Seed coat

Tag: seed coat

A close-up view of Cardmine hirsuta’s flight jacket

Being rooted, plants have very little opportunity to travel. They can as pollen to find a mate, and also as seeds. In...

Pea seed testa and its role during the establishment of physical dormancy

A water-impermeable testa may act as a barrier to seed imbibition, imposing dormancy. Janská et al. test six pea accessions of contrasting dormancy type...

Mind the gap

A new classification system for water-gap complexes in 16 plant families.

Peroxidase allows germination of proanthocyanidin-deficient arabidopsis seeds

A comparison of wild-type Arabidopsis thaliana and PA-deficient mutants finds that peroxidase activity is significantly over-activated in mutant seeds.

When physics meets botany…

This column is always fascinated by the way new insights arise when different disciplines are brought together to tackle an ostensibly botanical problem. So,...

Host-plant stimulation of germination in parasitic Phelipanche

The tiny seeds of the obligate root parasitic plants of the Orobanchaceae do not germinate unless they detect chemical signals from a host plant....

Physical dormancy and the water gap in Geranium

Physical dormancy and the water gap in <i>Geranium</i>A water gap is a small opening that forms on breaking of dormancy in physically dormant seeds...

Hourglass cell development in soybean seed coat

Hourglass cells (HGC) are prominent cells in the legume seed coat. Miller et al. (pp. 235–242) document HGC development in soybean, Glycine max, and...

Most Read

Botanists Pull Apart the Genes of Bananas to See How They Came Together

Banana genes reveal how they may have passed through other hybrid stages.

Sympatric moss populations can form true hybrid zones

Hybridization between species has not been considered an important factor in the evolution of mosses. The moss life cycle has led many...

A key protein may help trigger germination in Arabidopsis seeds

Seed germination is a critical step in the life cycle of flowering plants. Since seeds contain limited reserves, seed germination has to...

Daffodils and Snowdrops react differently to warming seasons

Daffodils and Snowdrops need the right temperatures in a few seasons to germinate. Will a changing climate cause problems?