anthesis-silking interval asi



In over 90% of the trials, ears plant−1, kernels plant−1, weight kernel−1, anthesis-silking interval (ASI), tassel branch number and visual scores for leaf angle, leaf rolling and leaf senescence were determined. Low scores indicated erect, unrolled or green leaves. Canopy temperature, leaf chlorophyll concentration and
Abstract - Maize, the most important stable crop in Kenya is affected by drought stress mostly at flowering stages causing delay in silk emergence. The Anthesis to Silking Interval (ASI) is highly correlated to grain yields under drought stress as shown by experiments conducted at CIMMYT, Mexico. This study aimed at
When maize (Zea mays L.) is stressed at flowering because of deficits of water, light, nutrients, and sometimes by long photoperiods and lack of thermal adaptation, ear growth slows in relation to tassel growth and the anthesis-silking interval (ASI) increases. This ap- pears to be a general response by the plant to a reduction
Maize, the most important staple crop in Kenya, is affected by drought stress at flowering period leading to low yields. Past studies at CIMMYT have demonstrated that a short Anthesis to Silking Interval (ASI) is an important component of drought tolerance in maize. In this study, one hundred and thirty five F2;F3 progenies
When soil water deficit occurs before flowering, silk emergence out of the husks is delayed while anthesis is largely unaffected, resulting in an increased anthesis- silking interval (ASI) (Edmeades et al. 2000). Selection for reduced ASI has been used successfully to increase the drought tolerance of maize (Edmeades et al.
crop water status. Field-based selection programs for drought tolerance should consider these results. Keywords: Drought tolerance; Genetic correlation; Heritability; Secondary traits; Zea mays. 1. Introduction. Abbreviations: ASI, anthesis-silking interval; CIMMYT, In- ternational Maize and Wheat Improvement Center; IS,
02.07.2012 -
20.12.2017 -
Full-text (PDF) | Maize, the most important stable crop in Kenya is affected by drought stress mostly at flowering stages causing delay in silk emergence. The Anthesis to Silking Interval (ASI) is highly correlated to grain yields under drought stress as shown by experiments conducted at CIMMYT, M...
Nitrogen (N) deficiency will severely affect many metabolic pathways and physiological progresses during maize (Zea mays L.) growth and change of anthesis-silking interval (ASI) is one of the most serious consequences. To realize the genetic basis of ASI, a recombinant inbred line (RIL) population consisting of 239 RILs,

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