| ENEMY |
DAMAGE |
CONTROL |
| Broccoli (cont.) |
|
|
| Flea beetles |
Small, shiny beetles riddle |
Dust with rotenone. |
| |
leaves with tiny holes. |
|
| Aphids |
Grayish lice clustered thick |
Spray with TEPP or rote- |
| |
inside curled leaves, on |
none-pyrethrum or nico- |
| |
flower heads. |
tine. |
| Yellows |
Plants wilt, turn yellow. |
Use resistant varieties. |
| Cacti |
| Mealybugs |
White fuzzy insects at base |
Remove with toothpick, or |
| |
of spines; cause yellowing. |
spray with Volck. |
| Red spiders |
Plants gray or yellow with |
Put plant on side and |
| |
fine webs. |
syringe with water. |
| Scales |
Gray, yellow, or white, flat |
Scrub off with toothbrush |
| |
or convex shells on spines. |
or spray with Volck. |
| Rot |
Plants kept too wet rot at |
Do not overwater. |
| |
base or roots. |
|
| Calendula |
| Aphids |
Black, also green, lice com- |
Any contact insecticide. |
| |
mon on buds and flowers. |
|
| Blister beetle |
Black beetle eating flowers. |
Spray with DDT. |
| Caterpillars |
Foliage eaten. |
Spray with DDT. |
| California |
| Christmas |
| Berry |
| Lace bug |
Leaves grayish, brown on |
Spray with lindane. |
| |
underside. |
|
| Thrips |
New leaves distorted, |
Spray with lindane. |
| |
curled. |
|
| Scab |
Brown, velvety spots on |
Prune out dead wood in |
| |
leaves, stems, berries. |
winter, spray before bloom |
| |
|
with copper. |
| California Pep- |
| per Tree |
| Texas and Ar- |
Trees dying. |
See under rots. |
| millaria root |
| rots |
Garden Plants and Their Problems
