27
JUN
2014

Growth and fruiting of the apple variety Braeburn 7926 grafted on M9 Pajam2 and MM106

G. Dobrevska* Department of Fruit-Growing, Faculty of Viticulture and Horticulture, Agricultural University Plovdiv, 12 Mendeleev, 4000 Plovdiv, Bulgaria Abstract. The growth and reproductive characteristics of the apple variety Braeburn 7926 grafted on two rootstocks with different g
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14
MAY
2014

Influence of Herbagreen mineral fertilizer on seed production of cucumber, melon and zucchini

N. Velkov, V. Petkova Abstract. The effect of Herbagreen mineral fertilizer on seed production of cucumber, melon and zucchini was evaluated. Three times treatment with the fertilizer at a dose of 0.04% at an interval of 14 days has a positive effect on seed yield in the studied cultu
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14
MAY
2014

Influence of universal liquid fertilizer MaxGrow on yield and quality of durum wheat (Triticum durum Desf.) cultivar Progress

G. Panayotova, A. Stoyanova Abstract. During the period 2008 – 2010 the response of durum wheat cultivar Progress, grown on Eutric Vertisols at the field of the Field Crops Institute, Chirpan, Bulgaria to foliar feeding with universal liquid fertilizer MaxGrow was studied. The fertili
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14
MAY
2014

Parameters of “yield-irrigation depth” relationship for sunflower grown in the region of Plovdiv

A. Matev, R. Petrova Abstract. The aim of this work is to establish parameters of relationship “yield-irrigation depth” for sunflower (grown in the region of Plovdiv), using different equations, as follows: y = ax2 + bx + c; y = y + 2 (1–y ) x – (1–y )x2; Y = 1 – (1 –Y )(1 – x)n. The
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14
MAY
2014

Productivity of green beans, irrigated at different pre-irrigation soil moisture

R. Petrova, A. Matev, K. Koumanov, B. Harizanova-Petrova Abstract. The aim of the study was to establish productivity of green bean, variety “Strike” irrigated at different pre-irrigation soil moisture. The field experiment was conducted during the period 2010 – 2012 on th
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14
MAY
2014

Evaluation of the combining ability of grain yield of mutant maize lines

M. Ilchovska Abstract. For the purposes of preliminary evaluation of the combining ability for grain yield of 12 mutant maize lines a top cross method for early testing and the mathematical model of Savchenko(1993) for analysis of the general combining ability and specific combining a
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14
MAY
2014

Evaluation of double haploid lines of winter malting barley using selection indices

B. Dyulgerova, D. Valcheva Abstract. Twenty two double haploid lines from winter malting barley breeding program of the Institute of Agriculture – Karnobat were tested in randomized complete block design with four replications. The objective of this study was to evaluate the breeding
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14
MAY
2014

Investigation on the possibility to efficiently use Ukrainian cultivars for developing of early winter wheat lines

I. Grain productivity N. Tsenov, T. Petrova, E. Tsenova Abstract. Situation and aims. This investigation was carried out with the aim to determine the suitability of some Ukrainian wheat cultivars for improvement of the productivity of the Bulgarian ecotype of winter wheat. The econom
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14
MAY
2014

Rumi and IPK Nelina – new cotton varieties

A. Stoilova, Hr. Meluca Abstract. The new cotton varieties Rumi and IPK Nelina were tested in 2005–2010. Rumi variety resulted from the crossing of the Bulgarian breeding line 268 (Garant X Progress) to the American variety Deltapine 20. The Progress variety was obtained after the int
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14
MAY
2014

Study of the effect of soil trampling on the structural elements of yield and productivity of soybean

V. Sabev, S. Raykov, V. Arnaudov Abstract. The study was conducted in the experimental field of the Institute of Forage Crops Pleven, Pavlikeni branch during the 2005–2007 period. The objective of the study was to determine the effect of soil trampling by the wheels of the tractor uni
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