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Cabbage clubroot is a disease of Brassicaceae (mustard family or cabbage family) caused by the soil-borne Plasmodiophora brassicae. [9] The disease first appears scattered in fields, but in successive seasons it will infect the entire field, reducing the yield significantly and sometimes resulting in no yield at all.
The cabbage moth (Mamestra brassicae) is primarily known as a pest that is responsible for severe crop damage of a wide variety of plant species. The common name, cabbage moth, is a misnomer as the species feeds on many fruits, vegetables, and crops in the genus Brassica (i.e. cabbage , broccoli , Brussels sprouts ). [ 1 ]
They typically develop within plant cells, causing the infected tissue to grow into a gall or scab. Important diseases caused by phytomyxeans include club root in cabbage and its relatives, and powdery scab in potatoes. [4] These are caused by species of Plasmodiophora and Spongospora, respectively. [5]
This small group of similar pest species is known to agriculturists as the cabbage worm compte butterflies (family Pieridae, type genus Pieris, garden whites). The small white ( P. rapae ) is a small, common, cosmopolitan butterfly whose caterpillar has fine, short fuzz and is bright green; it prefers cabbage, broccoli and cauliflower.
The fungus can survive on infected tissues, in the soil, and on living plants. It affects young seedlings, mature plants, and fruit in the field or in storage. White mold can spread quickly in the field from plant to plant. It can also spread in a storage facility throughout the harvested crop.
The pathogen is only known to cause asexual disease. The fungus is primarily spread via soil cultivation, harvesting, or any action that causes movement of the soil. Verticillium spp. do a spectacular job of being able to germinate, spread within the plant, and reproduce in most weather types. With this, water is usually necessary for the ...
Some plant species, such as buckhorn plantain, a common lawn and agricultural weed, benefit from mycorrhizal relationships in conditions of low soil fertility, but are harmed in higher soil fertility. [3] Both plants and fungi associate with multiple symbiotic partners at once, and both plants and fungi are capable of preferentially allocating ...
Alternaria brassicicola is a fungal necrotrophic plant pathogen that causes black spot disease on a wide range of hosts, particularly in the genus of Brassica, including a number of economically important crops such as cabbage, Chinese cabbage, cauliflower, oilseeds, broccoli and canola.