green longer than healthy heads. The glumes are opened either on some or on all spikelets, showing the bunt (smut spore) they contain, which is larger…
website. Updates to our Cookie Statement will be published on our website. All modifications will take effect as soon as they are published on our…
Aphidoidea, belonging to the order Hemiptera . The aphids discussed here all belong to the family Aphididae, a family containing many species that…
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mouthparts into plant tissue to feed. Adults feed on young stems and on leaves of all developmental stages. Nymphs feed on young leaves and stems,…
family, only eleven are truly polyphagous. The species that cause most damage all belong to the genus Liriomyza and are very common in temperate…
develop into winged adults are often pink or red in colour. Damage symptoms Of all the aphids , the peach potato aphid ( Myzus persicae subsp.…
these situations. Life cycle and appearance of Cottony cushion scale As with all scale insects, the females do not have wings and look similar to the…
can appear grossly deformed. Severely infested flower buds may not open at all. Fruits can also be damaged, even at low densities, giving rise to…
botanical species, including dicotyledons and monocotyledons, distributed in all agricultural regions, predominantly in tropical and subtropical…
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