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- If curly top becomes a recurring problem you could use row covers to keep sucking insects away. It may also help to interplant another crop between your plants, as this makes them less visible and can provides some shade (leafhoppers tend to feed in the sun). The virus can remain in infected plant debris for years, so keep the soil clear.
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Aug 26, 2022 · Curly top virus of bean plants is caused by beet leafhoppers (Circulifer tenellus). These insects are small, about 1/10 of an inch (2.5 mm.) in length, wedge shaped, and winged. They infect perennial and annual weeds like Russian thistle and mustard, which then overwinters amongst the weeds.
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Jan 4, 2023 · Curly top of bean is caused by Beet Curly Top Virus, a virus transmitted by beet leafhoppers. Many crops are affected, including tomato, bean, squash, cucumber, and pepper. Typical symptoms of the disease include puckering and downward curling of leaves, followed by a general yellowing of the plant. Young plants may be killed.
Jun 15, 2021 · What is Curly Top Virus? Curly top virus can be found in over 44 plant families such as garden tomatoes, beets, beans, spinach, cucurbits, potatoes, and peppers. Sugar beets are the most commonly infected hosts, and the disease is often referred to as Beet Curly Top Virus (BCTV).
Curly top. Plants infected with the curly top virus show a striking down-cupping, puckering, and wrinkling of infected leaves. The leaves become thick and brittle and may turn dark green.
It first manifests as discolored, yellowish, and speckled top leaves on your plants. As these plants mature, their growth form will be stunted: they’ll often bush out instead of growing tall. Then, as indicated by the virus’ name, those top leaves will curl into shriveled, fist-like shapes.
- Catherine Winter
Curly top of beans, caused by the Beet curly top virus (BCTV), is most problematic in the western, semi-arid growing regions of the U.S. 2 Symptoms can vary with virus strain, cultivar and host growth stage, and temperature. Leaf symptoms include puckering and a crookneck malformation of the trifoliates (Figure 3).
Symptoms and Signs. Plants infected with the Beet curly top virus have puckered, wrinkled leaves with edges curled downward. The leaves become thick and brittle and may turn dark green. The internodes of infected plants become shortened, resulting in dwarfing and stunting of infected plants, particularly when plants are infected at an early ...
