Michay-INIA, spring durum wheat variety for Chile Abstract uri icon

abstract

  • Michay-INIA is a spring durum wheat variety (Triticum turgidum var. durum L.) originates from a cross by the Agriculture National Research Institute (INIA-Chile) National Wheat Breeding Program in 2012. The cross and pedigree is Lleuque-INIA/ Cirno C2008. Lleuque-INIA is high yielding elite variety from Chile, and the most planted variety.

    Cirno C2008 is also a high yielding elite variety from Mexico. This variety has an upright growth habit in the seedling stage; the adult plant is of medium height and varies between 85 and 95 cm. The spike is white, and exhibits long whitish owns along its full length. The grain is large-sized, elongated, golden yellow, and vitreous. The thousand-kernel weigh varies between 45 and 52 g. When sown in mid-August at the Santa Rosa Experimental Station (36°31’ S; 71°54’ W), Chillan, head emergence occurred 97 to 103 days after sowing.

    Mean yield across all 4 locations and four seasons was 10.05 t ha−1, and varied from 9.22 t ha−1 to 11.67 t ha−1. Michay-INIA was evaluated in field experiments between 2019 and 2022, under irrigated environments: Los Tilos (33°70’S, 70°70’W), Santa Rosa (36°31’S, 71°54’W), Yungay (37°14’S, 72°01’W) and Humán (37º43’S, 72°41’W). Michay-INIA yielded in Los Tilos, 2.7%, in Santa Rosa 17.38%, in Yungay 10.28% and in Human 16.31%, more than the control variety Lleuque-INIA.

    Up to the 2023-2024 season, Michay-INIA has shown resistance to moderate resistance to stripe rust (Puccinia striiformis West. f. sp. tritici), leaf rust (Puccinia triticina Erikss.), and resistance to powdery mildew (Blumeria graminis DC. f. sp. tritici Marchal). Michay-INIA variety is a type of wheat with good hectoliter weight, with values between 82.84 to 84.81 kg hL-1, with SDS values between 10.9 ml to 13.4 ml and protein values fluctuating between 9.7% and 12.9%. Color b fluctuates between 19.2 and 25.5.

publication date

  • September 2024