Bacterial Brown Spot (Beans)

Bacterial Brown Spot (Beans) Description: Warm temperatures, in the 80°-90°F range, and wet weather favor infection. The disease first shows up as yellow flecks on the leaves, which later turn dark brown. Individual spots are usually irregular in shape and remain fairly small, surrounded by a narrow yellow margin, but lacking a wide yellow halo. Solution: Plant disease-free seed, rotate […]

Scab (Cucurbits) – How to control

Scab (Cucurbits)   Description: Scab is seedborne, and it also survives in the soil. Scab usually develops in warm weather after midseason, when wet weather conditions exist. Spores can spread over long distances when the air is moist. Solution: As with many diseases, it helps to plant cucurbits where other cucurbits have not been planted for at least two years. […]

Scale – Plant, Leaf – How to control

Scale Description: Scales resemble bumpy bark or fine ash on branches of fruit trees and shrubs. Wherever they feed, they cause a reddening of tissue, usually several times the diameter of the scale. On fruit this spot is very obvious. When infested the limbs lose vigor and die, usually in the top of the tree first. The removal of sap […]

Septoria Leaf Spot (Tomatoes)

Septoria Leaf Spot (Tomatoes) Description: The most destructive of all tomato problems Small brown spots appear on bottom leaves first. Leaves gradually turn yellow and die as the disease works its way upwards. Premature death of vine significantly reduces tomato production. Solution: Use Soap-Shield® Fungicidal Soap or Copper Dust starting after setting out plants, then every 7-10 days. Apply more […]

Slugs – How to control

Slugs Description: : Brown to grayish, up to 2″ long, looks like a snail without a shell. Eggs are laid in jelly-like masses under debris in damp areas. Slugs live a year or more and develop slowly. In spring, they are one of the first pests to feed on seedlings and ornamentals, eating large holes and leaving a slimy trail. […]

Soft Rot (Onions)

Soft Rot (Onions) Description: Soft rot can cause significant losses in stored onions. It is spread by splashing rain and by mechanical or insect damage. The bulb is infected through the neck tissue of maturing plants. Solution: Spray Soap-Shield® Fungicidal Soap on plants when warm, wet/humid conditions prevail, right up to time of harvest. Allow onion tops to dry before […]

Sooty Blotch and Fly Speck (Apples & Pears)

Sooty Blotch and Fly Speck (Apples & Pears) Description: These two diseases often occur together because they have similar, and numerous, wild hosts. Sooty blotch and fly speck are most likely to develop when temperatures are between 65° and 80°F and when humidity is high. This combination occurs most frequently when nighttime temperatures remain above 65° to 70°F during summer, […]

Spinach Leafminer – How to control

Spinach Leafminer Description: Adult is a small black and yellow fly (seldom seen).The adult fly lays eggs on underside of leaves; tiny yellowish larvae (1/8″ long) hatch and tunnel inside leaves. Several generations develop each summer. It is the most destructive pest of spinach; also infests red beets. Tunnels cause whitish dead areas, making the leaves undesirable; plant growth may […]

Squash Bug – How to control

Squash Bug Description: Up to 5/8″ long. When newly hatched, they have reddish heads and legs, and green bodies. Later, heads and legs turn black, and the body turns a light to dark gray. They suck sap from leaves of all vine crops, causing rapid wilting which becomes black and crisp. During early part of growing season, vine crops are […]

Apple Maggot

Apple Maggot Description: Adult apple maggot is a fly, slightly smaller than a common housefly. Apple maggots overwinter as pupae in the top 2-3″ of soil. The adult flies emerge from early June to early September. Adult females do not lay eggs for the first 8-10 days after they emerge. Then they wander over apples, crabapples, plums and other crops, […]