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An experiment conducted in the years 1991-1994 in Garlica Murowana Experimental Station concerned the effects of foliar fertilization with chelates on the content of mineral constituents in leaves and fruits of Golden Delicious apple trees. The applied chelates were LS-Fe (5.0% + 8.0% of urea), LS-Mg (4.88%), LS-B (2.10%), and LS-4 (Fe — 1.0%, Cu — 2.0%, Zn — 2.0%, and B — 5.0%). The chelates did...
In the usable parts of dill plants of cultivars Amat, Ambrozja, and Lukullus, grown in five cycles from spring to autumn, the level of vitamin C, carotenoids, beta-carotene, and polyphenols was determined. In the fresh leafy part of dill the content of the analysed components was significantly greater than in leaves with petioles. In the fresh matter of the leafy part the content of vitamin C varied...
The level of vitamin C, L-ascorbic acid, carotenoids, and beta-carotene was compared in leaves and whole plants of dill stored in at ambient temperature and in a cold room. The evaluation was carried out at two-day intervals up to the time when in the organoleptic aspect the stored material lost its technological and commercial quality. In ambient temperature it occurred after two and in the cold...
The experiments were carried out in 1995-1997 on arable land situated in the highland area near Brzesko to assess mixtures of Arrhenatherum elatius with legumes: Trifolium pratense and Medicago media against the background of its pure culture. While Arrhenatherum elatius was sown as pure culture the shares of both components (grass + legume) in the mixture were 507« each. Average for three years yields...
The effect of a growth retardant (Cycocel 460 SL) on seed and protein yield, gross chemical composition, and amino acid composition of seeds was tested on two indeterminate (Kodam and Nadwiślański) and one determinate (Titus) field bean cultivars. In addition, nutritive value of seed protein was determined using growing rats. Of the studied cultivars Nadwiślański had the highest whereas Titus had...
The work evaluates the yielding of goal's rue cultivated in pure stands and in mixtures with papilionaceous plants: hybrid lucerne and red clover, and also with grasses meadow fescue and perennial ryegrass. The evaluation was based on the yield amount of green and dry matter and its chemical composition, and nutritional value. The evaluation involved also botanical composition of the first cut including...
In pot experiment the effect of soil contamination with different nickel doses on growth, yield, uptake of nickel and chemical composition five maize varieties was tested.
The experiments were carried out on potato cultivar Mila — medium early. This paper presents the effect fungicides on health state tubers during storage. Rhizoctonia solani and Streptomyces scabies were characterized at harvest time. Percentage of tubers attacked by: Phytophthora infestans, Fusarium spp., Erwinia carotovora subsp. carotovora, Helminthosporium solani were characterized three months...
The aim of the study was to ascertain the influence of selected agricultural factors, taking into account the crop under cover agri-fibricon, differentiated plant spacing in the size and quality of leaf yield of Virginia tobacco. The research carried out have shown the appropriatness of implimenting in proved techniques of producing cigarette light tobacco through the use of agri-fibricon.
Yield and chemical composition of oat grown with graded amounts of undersown spring vetch was investigated in a mountainous region (Czyrna near Krynica) over a 4-year period (1996- 1999). The highest yields of grains were obtained when the oat was grown as a pure culture whereas undersowing the oat with increasing amounts of spring vetch reduced grain yields. The environmental conditions significantly...
The field experiments were carried out in 1997-1999 at the Experimental Station in Prusy near Krakow on degraded chernozem soil formed from loess. The following factors were examined: cultivars — Sonet (traditional) and Optimal (with top inflorescence); the method of sowing faba bean — in pure sowings and mixtures with spring cereals. The faba bean mixture with spring triticale produced far better...
Some agronomic and physiological traits of 6 winter triticale F, hybrids were compared with those of parental forms in pot experiment. Occasional effects of heterosis in agronomic traits were observed in the phase of plant heading. Heterosis concerning the RuBisCo activity and the size of photosystem. It was significant in some of hybrids without heterosis of photosynthesis rate. Heterosis of grain...
This paper presents the effect of selected fungicides on late blight of potato was estimated. The experiments were carried out on potato cultivar Mila. Statistically all fungicides taken under research significantly decreased the grade of potato plants affection. The investigation showed that the fungicides: Brestanid 502 SC and Tattoo C 750 SC protect potato tubers after attak by late blight.
On a degraded chernozem (at the Experimental Farm Prusy near Cracow) in the years 1997- 2000 field experiments were carried out to determine the residual effects of different field bean types and field bean with undersown on winter wheat yields. The response of Polish cultivar "Sakwa" to sowing at a recommended date or 4 weeks later was tested. Late planting resulted in a significant reduction...
In three years field trials insecticides Enolofos 50 EC, Decis 2.5 EC, Karate 2.5 EC and Bancol 50 WP inhibited the potato leaves late blight (Phytophthora infestans) and early blight (Alternaria spp.) development. This effect was clearly observed on the plots sprayed with Enolofos 50 EC. The use of insecticides no influenced on the helthiness of potato tubers.
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