pollens

Nectar and pollen are very nutritious.

Pollen morphology of Plumbaginaceae in China.

semisterile pollen; semisterile male pupae.

The outer wall (extine) of the pollen grain is often diagnostic (see pollen) and very resistant to decay.

He developed an allergy to pollen.

Germinability of pollen largely depends on the extraction procedure.

Pollen makes my nose run.

Pollen morphology of the family Thymelaeaceae in China.

The similarity of its heteropolar 3- or 6-aperturate pollen to the 3-aperturate pollen of Eudicots might result from convergent evolution.

Pollen disease is a kind of hypersensitiveness occurring on the sensitive individuals to the allergic pollen, and is the most representative disease of allergic diseases.

after the another lobes dehisce, the pollen is set free.

Result:The pollen is morphologically oblate, suboblate, spheroidal and prolate.

The pollen of the weed is the main sensibiligen of hay fever in human.

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

Hummingbirds have discovered that nectar and pollen are very nutritious.

The research showed that the pollen of seedless wampee is approximately round in shape and unequigranular,It has a high abnormality rate,a low pollen germination rate and short pollen tubes.

Hay fever sufferers have a worse time when the pollen count is high.

Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms.

No short of pollen and nectar lovers here.

It`s not fertilie to say that it`s simply a pollen.

Asthma attacks can be triggered by pollen, dust, harsh chemicals or scents.

Plants also give off scents which attract insects to spread their pollen.

And pollen loads, the amount of pollen released by plants, are 21 percent higher.

This means they do not collect the pollen or spread plants' seeds.

Each spring, pollen from nearby plants is blown into the water.

And, there are insects that rob nectar from flowers without transferring any pollen at all.

It grounds the pollen down, it's bound to finally clear the air.

They found that ragweed plants produced much more pollen when carbon dioxide levels increased.