Laczi E., Apahidean A., Luca E., Dumitraş A., Boancă P. (2016) Chinese cabbage is a less known, cultivated and consumed vegetable species in Transylvania, although previous studies have shown that it can be grown successfully in this area. The main purpose of the present research was to underline the effectiveness of various treatments on Chinese cabbage growth, yield and quality of the final product in organic farming system. The treatments included: different fertilisation types, place of the culture and several hybrids. Results showed that all the studied factors had a high influence on cabbage heads characteristics such as length, diameter, and weight, on the number of leaves and also on yield. The best yields were registered when horse manure was used (between 76.50 and 99.30 t/ha), followed by cattle manure (between 76.80 and 93.75 t/ha). A higher yield of better quality cabbage was obtained in a polyethylene tunnel (89.27 t/ha) compared to the open field culture (77.50 t/ha). Hybrid Super provided the highest yield (92.70 t/ha), followed by hybrid Vitimo (86.09 t/ha).
Cauli lower is grown for its hypertrophied in lorescences that are used in the preparation of various fresh cooked dishes as well as in pickling or canning industry. The in lorescences are rich in water (90%). The energy value of cauli lower in lorescences is low (118.5 kJ / 100) due to low content of energetic substances. Cauli lower culture is practiced in the ield and in protected areas. Climatic conditions are favorable for growing cauli lower in Transylvania. Cultures are mainly started with seedlings leading to additional costs for their production. The experience was carried out in 2011-2012 in the Reghin area, Mures County. Experimental factors were planting date and culture method. Experimental culture was established at different dates (April, May, June) by two methods (by planting seedlings and direct seeding). The aim of the experiment was to demonstrate the feasibility of growing cauli lower crops by direct seeding, in Reghin area, and if the obtained results, are comparable to those achieved by seedling cultures. In the experiment it was found that direct sowing method can be best practiced if the culture is established in June.
By stimulating the plant defense system using acetylsalicylic acid, there were studied various physiological parameters and productivity of tomato crop in the field, compared to a tomato crop treated with systemic fungicides and a sustainable culture treated with CuSO 4 (Bordeaux) mixture. Experimental crop was made up of two tomato varieties, the Sibiu local population and Buzău 50, both with undetermined growth and the used treatments were produced from: a systemic fungicides based mancozeb (60%) and dimetomorph (9%), contact fungicides-a mixture of CuSO 4 (Bordeaux mixture) and acetylsalicylic acid. Thereby, it resulted six experimental variants located in three repetitions. Regular observations were made in the field, on the growth and development of vegetative organs, of inflorescences and fruits, quality and quantity production of tomatoes, depending on the variety and the used treatment. There were found significant differences in experimental physiology tomato crops. Buzău 50 variety crop, treated with aspirin significant increases number of leaves, flowers and fruits. Crop productivity of both tomato varieties treated with aspirin was significantly increased. The groups treated with aspirin had significantly higher production compared to groups treated with fungicide. Aspirin generates a normal growth and resistance to the fungal pathogens for tomatoes.
Cabbage is among the vegetables which can be found on the market throughout the year, greenhouse crop being a source of fresh cabbage in the cold season. The aim of this experiment was to study the in luence of planting density/plant spacing and additional fertilization on the yield and quality traits of greenhouse cabbage. The low plant spacing (50 x 25 cm) revealed the highest yields regardless the applied additional fertilization. Foliar fertilization with Ferticare (24:8:16) as split applications during all growing season, provided the highest marketable head weight, as well as the highest vitamin C content and total soluble solids content of cabbage heads.
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