daisy family, Asteraceae. It is a hardy annual that is easy to cultivate and most often grown for its leaves. It is, however, often plagued on by a…
about whitefly Caterpillars Caterpillars can cause serious economic damage. Most species feed on leaves and young shoots, and their enormous feeding…
horticulture. The Western flower thrips ( Frankliniella occidentalis ) is the most damaging species. Thrips form the order Thysanoptera, a name that…
pests. The leaf miner species that cause damage in horticultural crops are mostly polyphagous; that is, they feed on many crops. However, this is not…
affect plants grown in both soil and hydroponic systems. Unlike other aphids , most of this pest’s life cycle takes place underground, so it may be…
oxysporum ( Fusarium wilt ): Many different hosts, potato ( Solanum tuberosum ), most vegetables and ornamental crops, tomato ( Solanum lycopersicum )…
over 1 billion dollars. In Eastern Canada, the northern corn rootworm is the most common species found on corn. While adult Diabrotica barberi can…
its uniform colours and heart-shaped spathes. In many markets, red is the most popular colour. Other types include the obake anthuriums which are…
low temperatures or sudden fluctuations in temperature. Pythium ultimum mostly occurs at low soil or water temperatures and causes among others cereal…
having spread to many countries within the last 30 years. The thrips have mostly been able to spread as a consequence of the trade in foliage plants.…
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