White cabbage

From late spring onward, various moths and butterflies, such as the large cabbage white, may lay their eggs on brassica plants. The resulting caterpillars can be picked off by hand, if wasps have not removed them first. 

These hatch from eggs laid in clusters on the underside of leaves by the large cabbage white butterfly. If too numerous to pick off one by one, remove the whole leaf Wasps love caterpillars, and may remove them all for you. 

Bean, green Cabbage, green Cabbage, white Cucumber Parsley Paprika, green Pea, green Spinach... 

In contrast to most generalist herbivores, adapted specialists - such as the cabbage white butterfly Pieris brassicae) - can generally handle the toxins derived from glucosinolates (Siemens and Mitchell-Olds, 1996). Moreover, for the imagines of such specialized butterflies, glucosinolates or their... 

Historical The first P. to be completely characterized were the substances contained in butterfly wings, namely leucopterin (cabbage white) and xanthopterin (brimstone) by H. Wieland and SchOpf (1924) and Purrmann (1940), respectively Wieland needed 200 000 cabbage white butterflies to obtain 40 g of leucopterin. 

Pheromone traps are sometimes used as an aid to warn of possible pest problems. There are also a limited number of permitted treatments including soap sprays a inst aphids and the bacteria treatment, Bacillus thuringiensis for control of caterpillars such as the cabbage white. There are several other permitted, naturally occurring, biological control agents mainly for use in glasshouses. 

Compound Broccoli Red cabbage Brussels sprouts Cauliflower Savoy cabbage White cabbage... 

Pteridines occur as pigments in the wings and eyes of butterflies and other insects (WiELAND, ScHOPF, 1925-1940) and in the skin of flsh, amphibians, and reptiles. Other examples of butterfly pigments are xanthopterin (12, brimstone butterfly), leucopterin (13, cabbage white butterfly), and erythropterin (14, raby kip butterfly). 

Methylsulphinyl)propyl-GLS Glucoiberin (CH2)3S(=0)CH3-ITC (Iberin) Brussels sprouts, Savoy cabbage, white cabbage, green cabbage... 

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