Spreader rows

Spreader rows are rows of a susceptible cultivar that run through a screening population in order to provide inoculum of appropriate pests and diseases. The purpose of spreader rows is to reduce parasite gradients as much as possible. Great care must be taken with open-pollinated crops to ensure that no pollen from the susceptible cultivar enters the gene pool of the recurrent mass selection . This undesirable pollination can be avoided by either by decapitating or cutting down the spreader rows, or by asynchronous planting so that the spreader rows produce pollen only before or after the screening population is receptive.

How To Get Rid Of Bed Bugs

How To Get Rid Of Bed Bugs

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