Cornell University Plant Disease Diagnostic Clinic. Diagnostic Review Report Confidence (to genus) Host. Diagnosis. Not Detected Suspected

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Lizbeth Long
5 years ago
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1 Time Period Report for October 15 th through October 29 th, 2018 Acer palmatum Japanese Maple Phyllosticta leaf spot (Phyllosticta sp./spp.) Acer palmatum Japanese Maple Transplant shock; Stress (Abiotic disorder) Allium sativum Garlic Stem and bulb nematode (Ditylenchus dipsaci) Brassica chinensis var. chinensis Brassica chinensis var. chinensis suffruticosa suffruticosa Bok Choy; chinese cabbage Bok Choy; chinese cabbage Edging Edging Bacterial blight (Unidentified Bacteria) Crown and stem rot (Fusarium sp./spp.) blight; Leaf and stem blight (Calonectria pseudonaviculata) Leaf blight (Volutella buxi) High soil moisture (Abiotic disorder) Root damage (Abiotic disorder) The diagnosis was derived using approved molecular technologies, serological testing and/or morphological observations which allowed for the confirmation of the organism to Genus, species and/or race or -The sample was submitted as a suspect sample or as part of survey project. The pathogen was not detected on this sample at this time using approved molecular technologies, serological testing and/or - Diagnostic symptoms of the pathogen were present but evidence of the pathogen could not be confirmed at this time. This term may also be used at the species level if confirmations cannot be made. This term - Although a suitable sample was received, a reliable result could not be achieved. For example, the test kit may have not worked correctly and there was no sample material remaining to perform the test again.

2 suffruticosa Edging Volutella leaf blight; Dieback (Volutella sp./spp.) sp./spp. blight; Leaf and stem blight (Calonectria pseudonaviculata) sp./spp. leafminer (Monarthropalpus flavus (buxi)) sp./spp. Macrophoma leaf spot (Dothiorella candollei) sp./spp. mite (Eurytetranychus buxi) sp./spp. Colletotrichum stem decay (Colletotrichum sp./spp.) sp./spp. High soil moisture (Abiotic disorder) sp./spp. Root damage (Abiotic disorder) sp./spp. Volutella leaf blight; Dieback (Volutella sp./spp.) Carex lupulina Hop Sedge Crown and stem rot (Fusarium sp./spp.) Carex lupulina Hop Sedge Insect damage (Unidentified Insect) Carex lupulina Hop Sedge Rhizoctonia crown and stem rot (Rhizoctonia sp./spp.) Carex lupulina Hop Sedge Spiral nematodes (Helicotylenchus sp./spp.) Carex lupulina Hop Sedge Unspecified pathology (Gaeumannomyces sp./spp.) The diagnosis was derived using approved molecular technologies, serological testing and/or morphological observations which allowed for the confirmation of the organism to Genus, species and/or race or -The sample was submitted as a suspect sample or as part of survey project. The pathogen was not detected on this sample at this time using approved molecular technologies, serological testing and/or - Diagnostic symptoms of the pathogen were present but evidence of the pathogen could not be confirmed at this time. This term may also be used at the species level if confirmations cannot be made. This term - Although a suitable sample was received, a reliable result could not be achieved. For example, the test kit may have not worked correctly and there was no sample material remaining to perform the test again.

3 Carex sp./spp. Sedges Crown and stem rot (Fusarium sp./spp.) Carex sp./spp. Sedges Insect damage (Unidentified Insect) Carex sp./spp. Sedges Rhizoctonia crown and stem rot (Rhizoctonia sp./spp.) Carex sp./spp. Sedges Spiral nematodes (Helicotylenchus sp./spp.) Carex sp./spp. Sedges Unspecified pathology (Gaeumannomyces sp./spp.) Cedrus deodara Deodar Cedar No pathogen found (Identification Analysis) Cedrus deodara Deodar Cedar Nutrient imbalance (Abiotic disorder) Cornus alternifolia Cornus alternifolia Cucurbita maxima Cucurbita maxima Cucurbita maxima Pagoda Dogwood Pagoda Dogwood Autumn-winter Squash Autumn-winter Squash Autumn-winter Squash Phytophthora root and crown rot (Phytophthora cactorum) Wood decay fungus (Unidentified Fungus) Cucurbit gummy stem blight (Stagonosporopsis curcubitacearum) Phytophthora fruit rot (Phytophthora sp./spp.) Unspecified pathology (Fusarium sp./spp.) Fagus sylvatica European Beech Phytophthora canker (Phytophthora sp./spp.) The diagnosis was derived using approved molecular technologies, serological testing and/or morphological observations which allowed for the confirmation of the organism to Genus, species and/or race or -The sample was submitted as a suspect sample or as part of survey project. The pathogen was not detected on this sample at this time using approved molecular technologies, serological testing and/or - Diagnostic symptoms of the pathogen were present but evidence of the pathogen could not be confirmed at this time. This term may also be used at the species level if confirmations cannot be made. This term - Although a suitable sample was received, a reliable result could not be achieved. For example, the test kit may have not worked correctly and there was no sample material remaining to perform the test again.

4 Ficus sp./spp. Ficus sp./spp. Fig (ornamental) Fig (ornamental) Brown soft scale (Coccus hesperidum) Sooty mold (Unidentified Fungus) Glycine max Soybean Additional sample requested (Identification Analysis) Glycine max Soybean Soybean cyst nematode (Heterodera glycines) Humulus lupulus Hops Hop downy mildew (Pseudoperonospora humuli) Humulus lupulus Hops Nutrient imbalance (Abiotic disorder) Humulus lupulus Hops Powdery mildew (Podosphaera macularis) Juglans nigra Black Walnut Thousand cankers disease (Geosmithia morbida) Lagerstroemia indica Crape Myrtle Cercospora leaf spot (Cercospora sp./spp.) Ligustrum sp./spp. Privet Foliar nematodes (Family Aphelenchoididae) Malus domestica Domestic Apple Dieback; Canker; Twig blight (Botryosphaeria sp./spp.) Malus domestica Domestic Apple Leaf spot (Marssonina sp./spp.) Prunus avium Sweet Cherry; mazzard cherry Cercospora leaf spot (Cercospora sp./spp.) The diagnosis was derived using approved molecular technologies, serological testing and/or morphological observations which allowed for the confirmation of the organism to Genus, species and/or race or -The sample was submitted as a suspect sample or as part of survey project. The pathogen was not detected on this sample at this time using approved molecular technologies, serological testing and/or - Diagnostic symptoms of the pathogen were present but evidence of the pathogen could not be confirmed at this time. This term may also be used at the species level if confirmations cannot be made. This term - Although a suitable sample was received, a reliable result could not be achieved. For example, the test kit may have not worked correctly and there was no sample material remaining to perform the test again.

5 Prunus maritima Beach Plum Scab (Venturia sp./spp.) Pseudotsuga menziesii Pseudotsuga menziesii Douglas-fir Cytospora canker; Dieback (Cytospora sp./spp.) Douglas-fir Gall (Unidentified Agent) Quercus alba White Oak Anthracnose (Apiognomonia errabunda) Quercus alba White Oak Bacterial wetwood; Slime flux (Various Pathogens) Quercus alba White Oak Phytophthora canker (Phytophthora sp./spp.) Quercus alba White Oak Transplant shock; Stress (Abiotic disorder) Quercus alba White Oak Wood boring insect damage (Unidentified Wood Boring Insect) Quercus coccinea Scarlet Oak Bacterial leaf scorch (Xylella fastidiosa) Quercus coccinea Scarlet Oak Leaf scorch (Abiotic disorder) Quercus palustris Pin Oak Additional sample requested (Identification Analysis) Quercus palustris Pin Oak Bacterial leaf scorch (Xylella fastidiosa) Discula anthracnose (Discula sp./spp.) The diagnosis was derived using approved molecular technologies, serological testing and/or morphological observations which allowed for the confirmation of the organism to Genus, species and/or race or -The sample was submitted as a suspect sample or as part of survey project. The pathogen was not detected on this sample at this time using approved molecular technologies, serological testing and/or - Diagnostic symptoms of the pathogen were present but evidence of the pathogen could not be confirmed at this time. This term may also be used at the species level if confirmations cannot be made. This term - Although a suitable sample was received, a reliable result could not be achieved. For example, the test kit may have not worked correctly and there was no sample material remaining to perform the test again.

6 Leaf spot (Tubakia dryina) Leaf spot (Tubakia dryina) Squirrel damage (Vertebrate Damage) Quercus sp./spp. Oak Additional sample requested (Identification Analysis) Quercus sp./spp. Oak Bacterial leaf scorch (Xylella fastidiosa) Quercus sp./spp. Oak Phytophthora canker (Phytophthora sp./spp.) Quercus sp./spp. Oak Wood boring insect damage (Unidentified Wood Boring Insect) Sambucus sp./spp. Elderberry Additional sample requested (Identification Analysis) Sambucus sp./spp. Elderberry Nutrient imbalance (Abiotic disorder) Turfgrass mixed species Turfgrass mixed species Turfgrass Additional sample requested (Identification Analysis) Turfgrass Moisture stress (Abiotic disorder) Ulmus americana American Elm Additional sample requested (Identification Analysis) Ulmus americana American Elm Bacterial leaf scorch (Xylella fastidiosa) The diagnosis was derived using approved molecular technologies, serological testing and/or morphological observations which allowed for the confirmation of the organism to Genus, species and/or race or -The sample was submitted as a suspect sample or as part of survey project. The pathogen was not detected on this sample at this time using approved molecular technologies, serological testing and/or - Diagnostic symptoms of the pathogen were present but evidence of the pathogen could not be confirmed at this time. This term may also be used at the species level if confirmations cannot be made. This term - Although a suitable sample was received, a reliable result could not be achieved. For example, the test kit may have not worked correctly and there was no sample material remaining to perform the test again.

7 Ulmus americana American Elm Dutch elm disease (Ophiostoma sp./spp.) Ulmus americana American Elm Wood boring beetles (Order Coleoptera) Viburnum prunifolium Blackhaw Powdery mildew (Erysiphe sp./spp.) The diagnosis was derived using approved molecular technologies, serological testing and/or morphological observations which allowed for the confirmation of the organism to Genus, species and/or race or -The sample was submitted as a suspect sample or as part of survey project. The pathogen was not detected on this sample at this time using approved molecular technologies, serological testing and/or - Diagnostic symptoms of the pathogen were present but evidence of the pathogen could not be confirmed at this time. This term may also be used at the species level if confirmations cannot be made. This term - Although a suitable sample was received, a reliable result could not be achieved. For example, the test kit may have not worked correctly and there was no sample material remaining to perform the test again.

Blue Atlas cedar High soil moisture (Abiotic disorder)

Blue Atlas cedar High soil moisture (Abiotic disorder) Scientific Time Period Report for October 30 th through November 12 th, 2018 Acer palmatum Japanese Maple Anthracnose (Colletotrichum sp./spp.) 1 0 0 0 Acer palmatum Japanese Maple Discula anthracnose