. Annual report of the Missouri State Board of Agriculture. Missouri. State Board of Agriculture; Agriculture -- Missouri. 340 Missouri Agricultural Report. Several of the commoner kinds of weed seeds found in alsike clover seed :- very detrimental. Some lots of alsike seed consist largely of timothy, ,lch amounts to an adulterant if the mixture is sold at the price of pure alsike seed. This mixture is poor seed to sow if alsike seed pro- duction is contem- plated; the two crops ripen together and their seed can not be wholly separated. Old stocks of seed of the clovers and of alfal- fa having
. Annual report of the Missouri State Board of Agriculture. Missouri. State Board of Agriculture; Agriculture -- Missouri. 340 Missouri Agricultural Report. Several of the commoner kinds of weed seeds found in alsike clover seed :- very detrimental. Some lots of alsike seed consist largely of timothy, ,lch amounts to an adulterant if the mixture is sold at the price of pure alsike seed. This mixture is poor seed to sow if alsike seed pro- duction is contem- plated; the two crops ripen together and their seed can not be wholly separated. Old stocks of seed of the clovers and of alfal- fa having low vitality are often mixed with new seed. Such seed is oiled and. <-jB^c^ a _,? •±. ,pFiG. 6.—Mixture of seeds of alfalfa (a) give XI Liic clover (b), and spotted bur clover toothed bur (c). Note the larger size of the bur clover seeds, also the kidney shape of the spotted bur clover seeds, w^hich have the scar near the smaller end. (Enlarged.) sometimes rubbed to appearance of freshness. Grass Seeds. — The seeds of grasses are subject to various conditions tending to reduce their quality. Adulteration with old seed or chaff of the same kind or with the very similar appearing seeds of other kinds is often practiced and readily escapes detection by both retail dealers and consumers. Accidental mis- branding of grass seed in the trade is doubtless not uncommon. Kentucky bluegrass seed is often adulterated with the similar Can- da bluegrass seed or seed of the latter is substituted for the former. See fig. 9.) Again, Kentucky bluegrass seed often has low germinating power, owing to improper methods employed in curing, and it is com- monly very' chaffy. Oreharti grass seed is adulterated with seed of meadow fescue, English rye-grass, or with both. (See fig. 10.) Seed of meadow fescue, or English bluegrass, is adulterated with seed of the perennial, or English, rye-grass and with orchard grass chaff. (See fig. 10.) Awnless (or Hungarian) brome- grass {Bromus inermis)
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