10 uppsatser
Figitidae)
… hypothesis was that female T. rapae would be attracted to the volatiles from cabbage plants infested by cabbage root fly larvae (Delia radicum L.) and to the food-associated volatiles from buckwheat flowers (Fagopyrum esculentum Moench). Two-choice experiments were made in an …
en växtskadegörare på kål
The purpose of this paper is to examine what problems cabbage growers have with the Swede Midge. The last few years the Swede Midge, Contarinia nasturtii, has become a larger problem for cabbage growers in several countries in Europe as well as in Sweden. In Canada the problems …
a laboratory study based on olfaction
… based preference of S. littoralis, reared on foliage of cowpea, cotton, cabbage or synthetic diet. Among the larvae of M. sexta, reared on foliage of potato, there was significant attraction to the prior experienced host while the larvae of S. littoralis preferred cabbage in all …
ett utvecklingsförslag för Disagården
… farmers of Uppland's plain, were situated on nutrient-rich clay soil. Even the cabbage patch whose yield was an important source of food could be planted in clay soil. Utilizing the space that was available was of vital importance. Favorable conditions provided by sun, weather …
… of nitrogen in the field. Since nitrogen is of great importance when growing cabbage the deficiency of nitrogen turned out to be the major limitation of the results. The three covers were cut grass, cut clover and cloth of fibre. Where the parcels were covered with clover or …
historia, nutid, framtid
… west of the main building. Previously this place had been cultivated with cabbage and used as a large enclosed pasture ground with several fishponds. This changed into a park around 1800. The new park was developed and integrated with the natural terrain, and the water was …
… oviposition preferences as adults between cotton, clover, cowpea, maize and cabbage. (3) Electroantennographic recordings to quantify any possible responses to plant volatiles. Throughout the diet experiments the larvae from the Benin strain showed significantly a better …
a review of Brassica oleracea
The objective of this report is to present a review of the studies which has been carried out up to days date concerning how temperature affects vegetables physiologically when it comes to their health inducing as well as quality reducing features. The essay therefore starts off …
… of clubroot. An experiment was performed that lasted ten weeks as Chinese cabbage was grown in pots in a growth chamber. Two different levels of spores concentration (1000 spores per gram soil and 35 000 spores per gram soil) and three different nitrogen fertilizers, calcium …
… lettuce, spinach,and similar,that do not keep well. Most other items, grains, cabbages, root vegetables, peas and beans could equally well be cultivated outside the walls. As yet there is no complete list over plant introductions in Sweden. The most comprehensive list available …
