29
MAR
2016

Selectivity and stability of new herbicides and herbicide combinations for the seed yields of some field crops I. Effect at Coriander (Coriandrum Sativum L.)

G. Delchev* Department of Plant Production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 28 January 2016; accepted for publication 2 March 2016) Abstract. . The research was conducted during 2013 – 2015 on pellic vertisol soil type. Under
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29
MAR
2016

Genotype-environment interaction and stability analysis for grain yield of winter barley in the conditions of North-East and South Bulgaria

M. Dimitrova-Doneva1*, D. Valcheva1, G. Mihova2, B. Dyulgerova1 1Institute of Agriculture, 8400 Karnobat, Bulgaria 2Dobrudzha Agricultural Institute, 9520 General Toshevo, Bulgaria (Manuscript received 30 October 2015; accepted for publication 8 February 2016) Abstract. The aim of thi
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29
MAR
2016

Genotype by environment interaction in mutant lines of winter barley for grain yield

B. Dyulgerova*, N. Dyulgerov Institute of Agriculture, 8400 Karnobat, Bulgaria (Manuscript received 30 October 2015; accepted for publication 8 February 2016) Abstract. The study was conducted to analyze grain yield performances of twenty eight mutant barley lines, two new feed barley
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14
MAY
2014

Stability evaluation of mixtures among preparations with different biological effect on the basis of grain yield in spring vetch

G. Delchev, N. Georgieva, I. Nikolova Abstract. With the purpose to study the stability of mixtures among preparations with different biological effect on the basis the grain yield in spring vetch a three-factor field trial was carried out during the period 2007-2009 in Institute of F
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14
MAY
2014

Stability of herbicides and herbicide tank-mixtures at winter oilseed canola by influence of different meteorological conditions

G. Delchev Abstract. During the period 2010 – 2012, on the experimental field of the Field Crops Institute – Chirpan was carried out a field experiment with conventional Maximus hybrid PR44D06 (Brassica napus). A total of 15 variants were investigated. Canola hybrid from Maximus
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14
MAY
2014

Influence of environments on the amount and stability of grain yield in modern winter wheat cultivars I. Interaction and degree of variability

N. Tsenov, D. Atanasova Abstract. Numerous common wheat varieties have been developed in Bulgaria, which when grown under variable environments, the magnitude of the grain yield is influenced by them. In order to determine the reasons for such variations the effect of the growing cond
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14
MAY
2014

Grain yield of winter feed barley varieties

B. Dyulgerova, D. Dimova, D. Valcheva, D. Vulchev, T. Popova, M. Gocheva Abstract. Five winter feed barley varieties were tested at the experimental field of the Institute of Agriculture – Karnobat over a six-year period to assess their yield potential and stability. Varieties Bozhin
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13
MAY
2014

Investigation on the effect of the environment on some new common winter wheat varieties

E. Penchev, K. Kostov, I. Stoeva, V. Dochev Abstract. The effect of the environment on a group of new Bulgarian varieties was investigated in three different locations for a period of 5 years. AMMI models were applied. The dispersion analysis carried out proved the different genetic p
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07
MAY
2014

Adaptive possibility and yield stability of varieties oil-bearing roses

Oil bearing roses are traditionally grown in regions like the famous “rose valley” in Bulgaria where the climate is known to be favorable for high rose flower and essential oil yield. However, environmental conditions could vary within the microregions of the rose valley as well as be
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06
MAY
2014

Influence of genotype and environments on quality of winter wheat varieties in Northern Bulgaria

The investigation included 16 varieties from first and second quality group according to the Bulgarian state standard. The aim of the investigation was to find out the level of influence of different environmental factors on wheat quality indices; to follow the response of the varieti
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