1.Abirov Z.Z. Analysis of “Durum” varieties of wheat, spike length, number of grains in spike, indicators of 1000 seed weight icarhse International Conference on Advance Research in Humanities, Sciences and Education Malaysia conference https://confrencea.org October 15th 2022.2.Amanov A. A. va boshqalar. Donli ekinlar selektsiyasi va boshlang‘ich urug‘chiligi bo‘yicha uslubiy qo‘llanma. G‘allaorol 2004 yil.3.Izuchenie mirovoy kolleksii pshenisi. Metodicheskie ukazaniya. VIR. Leningrad 1984.4.Marta Wyzińska, Marcin Różewicz. “Durum wheat –crop cultivation strategies, importance and possible uses of grain”. Polish Journal of Agronomy 2021, 44. 30–38 bet.5.QarshiboyevH. “Qattiqbug‘doyF1duragay avlodlarida asosiy boshoqdagi don sonining irsiylanishi”. Xorazm ma’mun akademiyasi axborotnomasi. 5-1/2023. 225-228-bet.6.Raxmatullaeva F. G‘ofurova O‘. “Sirdaryo hududida yetishtiriladigan bug‘doy donlarinig maysalash bosqichiga namlik va harorat omillarining ta‘siri” theoretical aspects in the formation of pedagogical sciences International scientific-online conference 34.7.Reynolds M.P., К.D.Sayre. and R.A.Fisher «Yield potential in modern varieties: Its association with a less competitive ideotyope. Field Crops. Res. 37. 1994. P-49.8.Xolbazarovich K.K., Nikolaevna P.M. The Valuable Traits of Varieties and Lines for Breeding Durum Wheat // Texas Journal of Agriculture and Biological Sciences. –2022. –T.8. –C. 132-137.9.Karshiboev K. X. High-yielding varieties and lines for breeding durum wheat //ACADEMICIA: An International Multidisciplinary Research Journal. –2021. –Т. 11. –No. 9. –С. 532-537.