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acephate annuals aphids apples apply beds blooms branches brown buds bulbs caterpillars chemical chlorpyrifos cold frame color compost cool corms Crops affected cultivars cuttings damage Danger period Growing destroy affected diazinon drainage early fall early spring early summer Epiphytic especially feed fertilizer flowers foliage foliar feed frost fruit fungal fungal diseases fungicide garden germinate Glyphosate grass green greenhouse ground growth grubs heat Height x spread herbicides holes horticultural oil humidity hybrids indoors infestations insecticidal soap insects keep late spring late summer lawn leaf leaves malathion midfall midspring mites mulch orchids overwinter pelargoniums perennials period Growing season pests pests and diseases pink Plants affected plastic potting soil propagation protect pruning pseudobulbs pyrethrin remove roots roses rotenone seedlings seeds shading shoots shrubs spider mites spot stems Symptoms temperature thiophanate-methyl tomatoes trees tubers types vegetable ventilation weather weeds weeks winter yellow