. The encyclopedia of practical horticulture; a reference system of commercial horticulture, covering the practical and scientific phases of horticulture, with special reference to fruits and vegetables;. Gardening; Fruit-culture; Vegetable gardening. Fig. 1. Beet Leaf Hopper, la, Adult of E. tenella; lb, Nymph; 2, Adult of E. scitula. ed or elongated in shape; whitish or pale yellow in color with a large tuft of white flocculence covering the posterior end of the body. The legs, antennae, and spots on the top of the head are brown. The winged lice are a little larger, more elon- gated and muc
. The encyclopedia of practical horticulture; a reference system of commercial horticulture, covering the practical and scientific phases of horticulture, with special reference to fruits and vegetables;. Gardening; Fruit-culture; Vegetable gardening. Fig. 1. Beet Leaf Hopper, la, Adult of E. tenella; lb, Nymph; 2, Adult of E. scitula. ed or elongated in shape; whitish or pale yellow in color with a large tuft of white flocculence covering the posterior end of the body. The legs, antennae, and spots on the top of the head are brown. The winged lice are a little larger, more elon- gated and much darker in color. The head, antennae, legs and thorax are black and being usually covered with a fine, white powder appear bluish-black; ab- domen dark green. The presence of this pest is easily told by the white floccu- lence which covers the lice as well as sur- rounding infested areas on the roots. Food Plants As this is a subterranean aphid, only the roots are affected, but often in such a way as to ruin portions of the crop. Sugar beets are the only economic plants attacked to any injurious degree. Wild yarrow, dock, knotweed (Polygonum avi- culare) are also attacked. Remedy Rotation. E. O. EssiG Blister Beetles The striped blister beetle or what is sometimes, called the old-fashioned potato beetle, frequently attacks the beet. They come in immense numbers and are likely to do serious injury before their presence is observed. They are long, slender beetles with black and yellow stripes. Apply arsenate of lead as soon as the beetles appear. Flea Beetles. See Potato. Minute False CMneh Bug Nysius angustatus minutus Uhl. Family Lygaeidae General Appearance The adults are very small grayish- brown bugs, about one-sixteenth of an inch long. The young are somewhat lighter in color, having reddish-brown abdomens and lacking wings. The legs and antennae appear very long and are dark. Life History The eggs are deposited in the spring and early summer by the adults which have hiber
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Keywords: ., bookcentury1900, booksubjectfruitculture, booksubjectgardening
