| Celery (cont.) |
|
|
| Celeryworm |
See Carrot. |
|
| Carrot weevil |
See Carrot. |
|
| Tarnished plant |
Dark areas on leaves, |
Dust with DDT or saba- |
| bug |
shoots. |
dilla. |
| Early and late |
Leaf spots ash-gray (early |
Spray with Dithane, Par- |
| blights |
blight) or brown with |
zate, or copper; clean up |
| |
black pycnidia. |
refuse in fall. |
| Yellows (wilt) |
Plants stunted, yellowed. |
Use resistant varieties. |
| |
|
Green celery is less sus- |
| |
|
ceptible. |
| Cherry |
| San Jose scale |
Round, gray, nippled scales |
Dormant lime-sulfur spray, |
| and other |
on bark. |
1-10 dilution. |
| species |
| Black knot |
Black, irregular knotty |
Dormant lime-sulfur spray, |
| |
swellings on twigs. |
1-10 dilution. |
| Cherry aphid |
Black lice curling leaves of |
Dinitro dormant spray or |
| |
sweet cherry. |
nicotine-soap at green-tip |
| |
|
stage. |
| Fruit flies |
Small black and yellow |
Rotenone spray or dust. |
| |
flies cause maggoty fruit. |
|
| Cherry and |
White grubs in fruit. |
Spray with lead arsenate at |
| plum cur- |
|
husk-split stage and repeat |
| culios |
|
10 days later. |
| Pear-slug |
Leaves skeletonized. |
Spray with lead arsenate at |
| |
|
husk-split stage and repeat |
| |
|
10 days later. |
| Borers |
Tunnels in wood, sawdust |
Spray trunks and branches |
| |
protruding from openings. |
with DDT. |
| Brown rot |
Add wettable sulfur (1/2 |
Fruit rotting with grayish |
| |
lb. to 5 gal. water plus 2 |
spore cushions. |
| |
oz. copper), to curculio |
|
| |
sprays. |
|
| Leaf spot |
Small brown spots in leaves |
Spray as for brown rot; |
| |
dropping out with shot- |
after harvest, spray with |
| |
hole effect. |
copper or Fermate; repeat |
| |
|
2 to 3 weeks later. |
Garden Plants and Their Problems
