Preemergence weed killers are applied before weeds become established. This type of weed killer is used to control a. dandelions b. Postemergence weed killers are used after weeds are present in the lawn. Wilting, blossom end rot, irregular potato shapes, leaf and fruit drop can all be the result of a. Fruit splitting, soft rot, damping off, foliar disease risk can all be a result of a.
Temperature affects which of the following plant processes.
Phototropism is defined as a. the effect of light on seed germination b. Photoblastism is defined as a. the effect of light on seed germination b. Explain the difference between long day, short day, and day neutral plants. Name three types of irrigation. Name three different ways of watering potted plants.