12
DEC
2024

Inheritance, heterosis and combining ability analysis in line × tester crosses of cotton

Dimitrova, M. Koleva*, N. Valkova Agricultural Academy, Field Crop Institute, 6200 Chirpan, Bulgaria (Manuscript received 6 July 2023; accepted for publication 28 May 2024) Abstract. The aim of this research was to study heterosis, combining ability and genetic control of most importa
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01
JUL
2024

Grouping of Bulgarian and foreign cotton varieties by cluster analysis

N. Valkova, M. Koleva* Agricultural Academy, Field Crops Institute, 6200 Chirpan, Bulgaria (Manuscript received 2 June 2023; accepted for publication 25 March 2024) Abstract. During the period 2016-2019, 21 Bulgarian and 10 foreign cotton varieties were included in a trial set by the
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12
MAY
2014

Productive and quality characteristics of brown cotton

A. Stoilova, I. Saldzhiev, Zh. Terziev Abstract: Breeding of coloured cotton varieties will help to solve certain existing ecological problems concerning dyeing of yarn and tissues. In 2007-2009 competitive variety trials were conducted with brown cotton lines. The results obtained sh
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07
MAY
2014

Phenotypic stability of new cotton varieties with improved fiber quality

The genotype × environment interaction and stability of five cotton varieties were studied during 2002-2006. The years of the investigation appeared to be as different ecological environments. The stability variances (2i and S2i) of Shukla (1972) and YSi index of Kang (1993) were calc
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