fertilize. The female second instar nymphs, on the other hand, settle on the leaf and begin to secrete wax, moulting to a third instar and then the…
out the body fluids, leaving the dead aphid hanging by its snout from the leaf to turn brown or black, and eventually decay. The quantity of aphids…
Fusarium spp. Fusarium fungi cause vascular wilt, root rot, foot and stem rot, leaf lesions, fruit rot, head blight in cereals, and post-harvest…
protonymph, deutonymph and adult. Eggs are laid on the underside of leaves on leaf hairs or in the axils of main and side veins. They are oval, white…
for food on the underside of leaves. They often congregate in the axils of leaf veins to rest. Their colour can vary according to the prey eaten, and…
burned or scorched appearance due to extensive feeding and damage to the leaf tissue. This not only compromises the aesthetic quality of the plant but
Brown chafer (Serica brunnea) ; Anoxia villosa Dung beetles ( Aphodius spp.) Leaf beetles (Chrysomelidae): Flea beetles ( Phyllotreta spp.)…
must be distributed shortly after receipt by stapling /clipping them to a leaf in the affected areas. Tripar-C parasitoids will usually start hatching…
show characteristic yellow spots around each reproducing female, followed by leaf drop and defoliation, accompanied by the dying back of twigs and…
Macadamias Post Harvest (Pre-Season) 816 Leaf N P K Riaan Brummer Marko Sukkels Ca Min. Optimum Level Actual Leaf Analysis CHO Index 1.4 …
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