Pollen Provisions

Pollen provisions are food stores made from collected pollen that support developing offspring, especially in bees and other pollen-provisioning insects. Female bees gather pollen from flowers, combine it with nectar or glandular secretions, and place the resulting provision in a nest cell before laying an egg; the larva consumes this resource as it grows. Studying pollen provisions reveals how floral resources, nutrient composition, foraging behavior, and nest architecture shape insect development and pollination, informing research on plant-pollinator interactions, habitat management, and pollinator conservation.

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Education

JoVE Business - Finance

The Green Shoe Provision

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2026

The Green Shoe Provision, also known as the over-allotment option, is a critical tool used in Initial Public Offerings (IPOs) to ensure price stability and balance supply-demand dynamics in the early stages of a stock’s public trading. Named after the Green Shoe Manufacturing Company, which was the first to use this provision, it enables underwriters to stabilize the market price of shares and mitigate volatility.The Green Shoe Provision allows underwriters to issue additional shares, typically...

Research

JoVE Journal - Medicine

A Component-resolved Diagnostic Approach for a Study on Grass Pollen Allergens in Chinese Southerners with Allergic Rhinitis and/or Asthma

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Cited by 4 •

2017

This work describes a protocol that uses a component-resolved approach to study sensitization to grass pollen allergens in a cohort of patients from southern China with allergic rhinitis and/or asthma.

Research

JoVE Journal - Engineering
Free Sample

Robotic Sensing and Stimuli Provision for Guided Plant Growth

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Cited by 3 •

2019

Distributed robot nodes provide sequences of blue light stimuli to steer the growth trajectories of climbing plants. By activating natural phototropism, the robots guide the plants through binary left-right decisions, growing them into predefined patterns that by contrast are not possible when the robots are dormant.

Research

JoVE Journal - Biology
Free Sample

Collection and Identification of Pollen from Honey Bee Colonies

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Cited by 8 •

2021

We describe methods for collecting corbicular pollen from honey bees as well as protocols for color sorting, acetolysis, and microscope slide preparation of pollen for taxonomic identification. In addition, we present pellet color and taxonomic diversity of corbicular pollen collected from five cropping systems using pollen traps.

Research

JoVE Journal - Biology
Free Sample

A High-Resolution, Single-Grain, In Vivo Pollen Hydration Bioassay for Arabidopsis thaliana

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2023

An improved method to measure pollen hydration profiles in Arabidopsis thaliana is described here. The new method offers higher resolution, is noninvasive, and is highly reproducible. The protocol represents a new tool for a finer dissection of the processes that regulate the early stages of pollination.

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