Peach potato aphid Life cycle and appearance of green peach aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and…
commercial crops. Life cycle and appearance of Blight of pepper Phytophthora species are very destructive organisms belonging to the Oomycetes and are…
loose smut of barley. Life cycle and appearance of Loose smut of barley The seeds are infected during flowering and the infected seeds are the primary…
loose smut of wheat. Life cycle and appearance of Loose smut of wheat The seeds are infected during flowering and the infected seeds are the primary…
brown. On the underside of the leave fluffy growth appears which is first white and later turns grey-brown. This is actually the sporulation of the…
infection of the leaves. Survival can be several years, in the case of black rot of carrots ( Alternaria radicina ) up to 8 years. Life cycle and…
others cereal diseases. Life cycle and appearance of Black leg of seedlings Pythium belongs to the Oomycetes, a separate group of microorganisms and…
potato, the disease usually only occurs in the second half of the season. The first symptoms are wilting of the lower leaves and subsequent expansion …
olive. Life cycle and appearance of Pierce's disease of grapevine The bacteria live in xylem vessels in roots, stems and leaves and multiply. The…
to a few of the roots but in severe cases all roots may be infected. At the final stage of the disease, only vascular tissue remains because the…
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