Scripps-Mesa Garden Club Uncategorized Portland International Rose Test Garden

Portland International Rose Test Garden

If you will be in Portland Oregon this summer be sure to check out the rose garden. Admission is free.  On 4.5 acres in Washington Park this garden displays over 10,000 plants from 550 varieties. Most varieties are new since the purpose of this garden is to test new hybrids to decide which are best  for commercial release. Post provided by BB.

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Plant TumorPlant Tumor

Do plants get cancer? The answer is, ‘Yes’, if cancer is defined as dysregulated cell growth, but typically plant cancer is different than in animals. Plant cells have a rigid cell wall that limits metastatic spreading of cancer cells through the plant. Instead, the tumor grows as a single mass called a gall. Also, most plant tumors/galls are caused by a viral infection that disrupts the normal expression of genes.   Here is an example that I found in my garden. I think this is an onion bulb where the new shoot has developed as a tumor of abnormal stem/leaf cells.