ZINNIA Descriptor Site(s): NC7 ------ Contains characteristic data on Zinnia accessions as proposed by the Herbaceous Ornamental CGC. For additional information, contact M. Widrlechner, NC Reg. Plant Intro. Station, Ames, IA 50011, ph (515) 294-3511. Descriptor: ALTERNARIA obtype: CHAR CGC: YES Resistance to Alternaria Leaf Spot (Alternaria zinniae). Code Definition ---- ---------- 1 No lesions or disease observed 2 A few small lesions or small areas of disease observed 3 1/3 of the leaf and/or stem surface affected 4 2/3 of the leaf and/or stem surface affected 5 All leaves and/or stems severely affected Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 1 2 3 3 1 Descriptor: BACTLFSPOT obtype: CHAR CGC: YES Resistance to Bacterial Leaf Spot (Xanthomonas nigromaculans) Code Definition ---- ---------- 1 No lesions or disease observed 2 A few small lesions or small areas of disease observed 3 1/3 of the leaf and/or stem surface affected 4 2/3 of the leaf and/or stem surface affected 5 All leaves and/or stems severely affected Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 3 2 2 Descriptor: POWDMILDEW obtype: CHAR CGC: YES Resistance to Powdery Mildew (Erysiphe cichoracearum) Code Definition ---- ---------- 1 No lesions or disease observed 2 A few small lesions or small areas of disease observed 3 1/3 of the leaf and/or stem surface affected 4 2/3 of the leaf and/or stem surface affected 5 All leaves and/or stems severely affected Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 1 3 2 4 2 Descriptor: SCLEROT obtype: CHAR CGC: YES Resistance to Sclerotinia sclerotiorum Code Definition ---- ---------- 1 No lesions or disease observed 2 A few small lesions or small areas of disease observed 3 1/3 of the leaf and/or stem surface affected 4 2/3 of the leaf and/or stem surface affected 5 All leaves and/or stems severely affected Value Freq. Value Freq. Value Freq. ----------------- ----- ----------------- ----- ----------------- ----- 1 2 2 2 4 1