How do I identify pest infestations on my plants?

My bean leaves are turning yellow on top and has a dusty, brown material on the bottom. ... This is transmitted from plant to plant by aphids so the best control ... Nov 8, 2018 ... Both Calathea and Maranta are commonly known as Prayer Plants. Their variegated leaves actually fold up at night, which conserves moisture, and ... Tree rusts are fungal diseases causing dusty orange, brown or black spots (pustules) on the leaves of poplar, willow, birch and plum, and cankers on the ... Dec 29, 2017 ... The leaves will begin to yellow and wither. At this point, you should stop watering your plant, and allow the leaves to die back. Then place ... Sep 18, 2023 ... If you kept an amaryllis bulb from last Christmas, and put the plants outside for the summer, here is what to do with the bulbs in ... Questions about Invasive Plants; General Questions; Questions about Data and Information Requests. Rare Plants. Are lady's-slippers rare? Maine is home to four ... Sep 14, 2023 ... Another common reaction to the presence of spotted lanternflies is to unleash pesticides on their favorite host plant, tree of heaven. Apr 13, 2020 ... There are several reasons why they would do this. Food shortage, in the form of fertilizer etc. This can be fixed, but the yellow leaves will not recover. Mar 28, 2022 ... Yellow spots on watermelon leaves are early symptoms of powdery mildew. ... can be used as an indicator plant to time the first fungicide ... Roundabout operation and safety performance are particularly sensitive to geometric design elements. Uncertainty regarding evaluation procedures can result in ...