Flower petals and stamens are severely damaged. Corn Rootworm Beetles. See Corn . Larvae feed on corn while adult beetles will fly to feed on flowers, especially Chrysanthemums and Roses. Use Sevin Dust .
White powder covers the leaves and shoots are distorted.
Improve air circulation. Use Benomyl , Folpet , Garden Sulphur or Rose Dust . Plants are wilting but foliage looks healthy. 1.- Roots are damaged when hoeing or plants goes through transplant shock. 2.- Rodents feed on bulbs or roots.