Discovered and asexually reproduced a certain new and distinct variety of asparagus plant

摘要

A female asparagus plant denoted No. 56 and "Donna" developed in a program of extensive growth and selection, in turn selected from a field of the variety Mary Washington, because of its vigorous plant growth and ability to transmit disease resistance including resistance to rust (Puccinia asparagi) good field tolerance to root rot (Fusarium oxysporum) and crown rot (F. moniliforme) increasing production, the plant having the characteristics of a largest stalk of 31 mm diameter, number of stalks 24, and stalk vigor index (Number X (Mean diameter).sup. 2) of 21, 313.