Month: May 2025

  • HOW TO HYBRIDIZE A GARDEN PLANT IN YOUR BACKYARD GARDEN.

    HOW TO HYBRIDIZE A GARDEN PLANT IN YOUR BACKYARD GARDEN.

    HOW TO HYBRIDIZE A GARDEN PLANT IN YOUR BACKYARD GARDEN. Breeding a commercially successful and stable hybrid is usually expensive and laborious, but the non-professional gardener can have fun experimenting with this technique. Some genera, such as dahlias, irises, or roses, lend themselves to hybridizing on a non-professional scale, often producing quite pleasing seedlings. Indeed,…

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  • Understanding Bright‐Field and Phase‐Contrast Microscopy.

    Understanding Bright‐Field and Phase‐Contrast Microscopy.

    Understanding Bright‐Field and Phase‐Contrast Microscopy.  Different types of light microscopes use different types of illumination. In a bright‐field microscope, the cone of light that illuminates the specimen is seen as a bright background against which the image of the specimen must be contrasted. Bright‐field microscopy is ideally suited for specimens of high contrast, such as…

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