Sentence examples for speeding of pollen from inspiring English sources

Thus, the speeding of pollen tube growth alone explains much about how the angiosperm progamic phase became abbreviated.

These traits mediate germination speed either passively by affecting the speed of pollen hydration (e.g. aperture and pollen wall composition and sizes) or actively via the metabolic state of mature pollen at pollination.

But apparently forgiveness is spreading through Newark with the speed of spring pollen.

Given a constant emission rate, the wind velocity affects the range and the transport speed of airborne pollen and leads to a dilution (stretching); as with higher wind velocities, a larger air volume passes the source surface, and the concentration per unit volume is reduced [26].

This implies an evolutionary association between pollen germination speed and the duration of pollen tube growth, even though germination and tube growth are physiologically semi-autonomous (Addicott 1943).

During this experiment, high temperatures and low wind speeds coincided with pollen shed, which may have favored the generation of thermals over hot surfaces, capable of lifting pollen grains.

Estimates of pollen fall speeds for the eight taxa as well as the relevant source area of pollen (RSAP) were also obtained.

Clearly, some aspects of pollen germination speed and pollen tube growth rate should be similar due to their shared metabolic machinery.

The goal of this study was to understand the contribution of pollen germination speed to the evolution of progamic phase duration in angiosperms.

Meteorological variables, particularly accumulated temperature and wind speed were more important than landscape variables in predicting the abundance of pollen beetles immigrating into OSR fields.

where: Di is the accumulated total deposition of pollen species i over the flowering period, u is the mean wind speed, and vd,i is the mean deposition velocity for maize pollen (m/s).