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Principles of Seed Science and Technology (Hardcover)
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Principles of Seed Science and Technology (Hardcover)
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Seeds are fundamental to agriculture. They are the starting point
for the production of most crops and delivery system for advanced
genetics. Seeds constitute 70% of our food and recent additional
uses of seeds as stored energy has increased both seed and
commodity prices worldwide. The past 50 years has seen many
research-driven improvements in seed genetics and technology that
have been responsible for dramatic increases in crop productivity
worldwide. Increasing demand for seed as biofuel feedstock coupled
with a need to feed a burgeoning global population makes seed
science and technology an essential discipline for human survival
and prosperity. Cereal production alone will have to increase by
roughly a billion metric tons in the next 30 years to meet world
needs. To meet future world needs for food, fiber and energy,
additional research advancements in seed genetics and technology
will be critical. Seed science and technology involves several
disciplines such as plant production, agronomy, plant physiology,
plant science, entomology and plant pathology. The seed is the most
important and essential starting point for a healthy plant. If a
seed is not viable a seedling will not emerge. If a seed has low
vigor a weak seedling will emerge which in turn may either succumb
to environmental conditions or attack by pathogens or insects. It
is therefore of the outmost importance to look at the seed to make
sure that it is viable and will give rise to vigorous seedlings
able to withstand unfavorable environmental conditions and pests.
Correct sampling of a seed lot is essential before any tests can be
done on the seed lot. The purity, both physical and genetic, must
be determined before testing. All seed should be tested for
viability, that is, the germination percentage must be determined
and recorded on the seed lot. Furthermore, the vigor of the seed
can also be determined using a range of tests. Seed health testing
is also of great importance to prevent new pathogens from entering
and establishing in the country and to prevent diseases occurring
in the field due to seed-borne inoculum. This book will discuss the
different principles governing seed science and technology.
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