The USDA created the Section of Seed and Plant Introduction
In 1899, the USDA created the Section of Seed and Plant Introduction, which assigns its first Plant Introduction Number, PI#1, to a common Russian cabbage.
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Source: JSTOR
Credit:
In 1899, the USDA created the Section of Seed and Plant Introduction, which assigns its first Plant Introduction Number, PI#1, to a common Russian cabbage.
Tags:
Source: JSTOR
Credit: