American serpentine leaf miner (Liriomyza trifolii) eats its way outwards from its egg, so that its mines join to form small plates. In various other…
is a berry and it varies in colour, size and firmness. Bananas mostly are elongated and curved. Its flesh is soft, rich in starch and its skin…
and highland areas in West, Central and East Africa. It can grow in a wide range of soils, but it does better in nutrient-rich soil with high levels…
As a tropical and subtropical crop, it requires plentiful rainfall for a period of more than six months per annum. It does not tolerate severe frosts.…
Unlike most legumes, cowpea requires less maintenance throughout its growing period. It is drought resistant and can thrive in poor soils. [...] e.…
Mexico, it is now grown in most tropical regions around the world. The papaya fruit is 15-45 cm in length and between 10-30 cm in diameter. Its soft…
however, the plant is mostly handled as an annual and harvested at the end of its first production season. Onions are popular and therefore cultivated…
throughout the world. It causes damage in (sub-)tropical areas especially. The tobacco whitefly ( Bemisia tabaci ) is feared because of its high level…
the stem base. The plant above it wilts and rots. White, fluffy fungal mycelium grows on the lesions, giving this disease its name cottony soft rot.…
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