Aphelenchoides ritzemabosi. (checkered leaf disease). Polygonal spots that indicate the presence of this nematode in the leaf lamina are very characteristic. A. Mohammad Deimi and S. Barouti, Department of Plant Pathology, Faculty of Agriculture and Natural Resources, Science and Research Branch, Islamic Azad . General information about Aphelenchoides ritzemabosi (APLORI).

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Tobacco – Aphelenchoides ritzemabosi

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Close Find out more. Knowledge Bank home Change location. Chrysanthemum foliar eelworm Aphelenchoides ritzemabosi.

Go to distribution map Asplenium nidus bird’s nest fern. As an endoparasite, it enters the leaves through the stomata and moves about, feeding ritzemaboai the mesophyll cells.



The cells in infested areas are killed and the leaves develop brown lesions delimited by the veins Franklin, Infested leaves become crinkled and deformed, occasionally accompanied by discoloration, with blotches and chlorotic patches turning into brown and white-yellow areas.

The entire plant appears stunted and dwarfed. The symptoms on chrysanthemum ahelenchoides characteristic brown spots limited to the veins, and a progressive yellowing of the whole leaf.

These symptoms are due to combined action of the nematode and other organisms Cayrol and Combettes, Leaf symptoms on infested Chrysanthemum maximum include reddish-yellow lesions on the lower leaves of young plants; in older plants these leaves are markedly chlorotic and a large area of the leaf surface becomes necrotic. The foliage is scanty and the flowers are few and deformed. Leaves in the upper part of plants have shown slightly higher resistance than those in the lower part Cid del Prado and Sosa-Moss, Direct effects are mechanical damage caused by the stylet, and damage due to hormones of growth and division Cayrol and Combettes, Attacked violets are stunted, and affected leaves curl down, wither and die; under surfaces of leaves showed typical water-soaked blotches Thomas, Stunting and shoot blindness occurred on attacked Crassula coccinia Atkinson, Introduction Symptoms and control of diseases in strawberry due to infestation by A.


Siddiqi reviewed control of A.

Chemical Control Due to the variable regulations around de- registration of pesticides, we are for the moment not including any specific chemical control recommendations. For further information, we recommend you visit the following resources: EU pesticides database www. The crown weight of strawberry cv.

Damage to the plant crowns and reduced yield were related to population density in winter and spring, but reduced runner production was due to the summer population density Bohmer, Due to infection by A.

The variety Yasna seems to be somewhat less susceptible to A.