in recent years most activities of rice research institute, has been focused on introduction of high yielding as well as high quality rice cultivars. in 1994, 185 lines introduced from international rice research institute (irri) to rice research institute of iran (rrii), were evaluated in observational and statistical experiments in rrii for two years, and eight lines were selected. these line...

The current agricultural system is seeking a biological solution to lesson hazardous impacts from the use of chemicals control weeds in rice production. Plant allelopathy one ways where allelopathic plant inhibits its surrounding plants by releasing substances. present experiment was conducted at Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during period July Decemb...

in order to develop a high yielding rice cultivar with optimum cooking quality, a cross was conducted between two rice cultivars khazar, high yielding and resistant to blast disease and daylamani tarom, with good cooking quality in 1990. forty pure lines were selected and compared for high grain yield in 1996. ten selected lines together with two check cultivars dasht and onda were tested in ad...

two different propagation procedures including aeroponics and soil systems were compared for the minitubers production in potato. the minitubers were evaluated for several quality characters. the plant materials were from three cultivars, agria, marfona and savalan. the plantlets were grown in aeroponics and soil production systems at a plant density of 100 plants per m-2 and stem length, root ...

general combining ability of sugar beet parents were determined for different quantity and quality characteristics.forty six sugar beet hybrids obtained from crosses of 23 diploid pollinators with two male sterile parents as tester together with three checks were evaluated for 10 important agronomic and technological characters at kamalshar research station in karaj in 2004.experiment was carri...

two glasshouse and field experiments were conducted to assess the effects of root system, water uptake, water use efficiency and early vigor on yield and drought tolerance of bread wheat in two successive farming seasons (2009-11). the experiments were conducted as randomized complete block design and two-year results analyzed as combined design. considerable genetic variation was observed amon...