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  2. Clavibacter michiganensis - Wikipedia

    en.wikipedia.org/wiki/Clavibacter_michiganensis

    The wilting may only show on one side of the leaf and may recover during cooler periods. [6] The entire system of xylem within the plant allows the bacteria to form titers of up to 10 9 bacteria per gram of plant tissue. Wilting may eventually spread to all leaves and these leaves, along with their petioles, may also show distorted, curled ...

  3. Leaf scorch - Wikipedia

    en.wikipedia.org/wiki/Leaf_scorch

    Leaf scorch (also called leaf burn, leaf wilt, and sun scorch) is a browning of plant tissues, including leaf margins and tips, and yellowing or darkening of veins which may lead to eventual wilting and abscission of the leaf.

  4. Ralstonia solanacearum - Wikipedia

    en.wikipedia.org/wiki/Ralstonia_solanacearum

    Wilting begins with lower leaves and petioles and works its way up the plant. Wilted leaves have chlorotic, wedge-shaped areas or chlorotic and/or necrotic leaf margins. No leaf spots are evident. Eventually, the entire plant collapses on the medium. White runny material oozes from cut stems. Potato: [12]

  5. Why Are My Tomato Leaves Curling? Here Are 3 Common Causes

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  6. Fusarium wilt - Wikipedia

    en.wikipedia.org/wiki/Fusarium_wilt

    It causes wilting and yellowing of the leaves. [7] F. oxysporum f. sp. lycopersici causes vascular wilt in tomato. The disease starts out as yellowing and drooping on one side of the plant. Leaf wilting, plant stunting, browning of the vascular system, leaf death and lack of fruit production also occur. [8]

  7. 3 Reasons Your Tomato Plant Leaves Are Turn ing Yellow - AOL

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  8. Are your tomato plants in a sorry state? Here are the causes ...

    www.aol.com/tomato-plants-sorry-state-causes...

    The more consistently you can keep these soil factors, the better your plants will be. Remember, it is also best to somewhat mimic rainfall patterns to wean plants off excessive moisture.

  9. Nyctinasty - Wikipedia

    en.wikipedia.org/wiki/Nyctinasty

    Red light converts Pr to Pfr and far red light converts Pfr to Pr. Many plants use phytochrome to establish circadian cycles which influence the opening and closing of leaves associated with nyctastic movements. Anatomically, the movements are mediated by pulvini. Pulvinus cells are located at the base or apex of the petiole and the flux of ...