Maize New Hybrid KSC 705, High Yielding and High Moisture Decrease Rate after Physiological Maturity

Author(s):

Rajab Choukan , Afshar Estakhr , Gholam Reza Afsharmanesh , Ali Shirkhani , Aziz Afarinesh , Mohammad Barzegari , Mohammad Hosein Sabzi , Sharare Fareghei , Homayon Darkhal , Majid Zamani , Saeed Khavari Khorasani , Masuod Rafiei , Kamran Anvari , Reza Moeini , Soraya Ghasemi

Message:
Abstract:
As compared to KSC 704 hybrid with 9.844 t/ha, the maize hybrid, KSC 705(K3640/3 × MO17) produced an average grain yield of 11.120 t/ha over seven locations evaluated in final trials for two consecutive years (2007-8). In advanced yield trials done in 2011, across seven locations, this hybrid performed the highest grain yield, 10.450 t/ha, while KSC 704 produced 8.513 t/ha. In addition to the grain yield preference, grain moisture in KSC 705 was about two percent less than KSC 704 at harvesting stage under farmer's conditions. Hybrid KSC 705 with an average of grain yield 10.585 t/ha showed 833 kg/ha (8.5%) superiority to KSC 704 (9.753 t/ha), once evaluated in adaptability trials conducted in nine locations for two years (2011-12). On farm experimental results obtained from Eslam Abad, Ravansar, Mahtabi and Shoosh in 2012 revealed that KSC 705 with an average grain yield and moisture of 12.617 t/ha and 20.94%, showed a superiority of 1.429 t/ha (12.8%) over the yield of KSC 704 (11.188 t/ha) and 2.31 less grain moisture comparing to KSC 704 with 23.25% grain moisture. Comparing to KSC 704, this hybrid was seven days earlier. In contrast to KSC 704 with a moderately susceptible reaction to common smut under artificial infection, KSC 705 was rated as a moderate resistant type. For fusarium ear rot, both hybrids were classified into moderately resistant hybrid's group.
Language:
Persian
Published:
Research Achievements for Field and Horticulture Crops, Volume:2 Issue: 1, 2013
Pages:
1 to 12
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