Broccoli

Italica cultivar group that belongs to the species Brassica oleracea. Broccoli looks a lot like cauliflower, which belongs to a different cultivar group

Sweet pepper

pepper, is part of a specific group of cultivars that belongs to the species Capsicum annuum . These different cultivars of the sweet pepper plant bear fruit

Gerbera

used as a decorative garden plant or sold as cut flower. Domesticated cultivars are usually the result of crossing the Gerbera jamesonii with another species [...] The result is generally known as Gerbera hybrida and there are now many cultivars that differ greatly in size, shape and colour. The main colours are white

Chrysanthemum

derive from East Asia. Especially in China a wide range of varieties and cultivars has been developed for commercial propagation and production. The current [...] This particular genus consists of many hybrids and an extensive range of cultivars that are produced for commercial, horticultural purposes. Traditionally

Cabbage

About Cabbage or headed cabbage (consisting of various cultivars of Brassica oleracea ) is a biennial plant with green, white or purple leaves. This plant

Powdery mildew

Many sweet pepper cultivars react to powdery mildew infection by dropping leaves that are not infected yet. It depends on the cultivar how soon after infection [...] happens via workers’ clothing. How to prevent Powdery mildew Use resistant cultivars whenever available Extra Silicon and/or Calcium nutrition hardens the cell

Rose

There are more than one hundred rose species and thousands of different cultivars. The rose is a woody, perennial plant which usually develops as a shrub

Cauliflower

collard greens and kale (collectively called "cole" crops) belong to various cultivars, but are all members of the species Brassica oleracea. The cauliflower

Apple scab

plants produce cork as a defence against further growth of the fungus. In cultivars that are more resistant, this happens faster so the lesions remain smaller [...] also need water for germination. How to prevent Apple scab Use resistant cultivars Prune to ensure good air circulation, this decreases the duration of leaf

Chili pepper

is at times categorized under the species Capsicum annuum . The pepper cultivars of Capsicum frutescens can both be annual or perennial (short-lived) plants