Author: Corn India

Genetic Studies of Late Wilt and Turcicum Leaf Blight Resistance in Maize

Grain yield losses in maize due to late wilt (up to 100%0 (Jain and Kothari, 1983) and turcicum leaf blight (29-91%) (UIIstrup, 1952) have been reported. Both these diseases are considered as the major diseases on maize crop in peninsular India including Andhra Pradesh (Anon, 1988). Hence and effort was made in the present study to collect information on the variability and heritability parameters for late wilt and turcicum leaf blight resistance in some of the selected maize parental lines known for their good combining ability and agronome characters under artificial maculated...

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Phenotypic Stability Studies for Grain and Straw yields in Maize Composites

Abstract Eight promising genotypes were studied for three seasons (1989-1991) at Agricultural Research Station, Amberpet to evaluate their stability for grain and straw yields under kharif conditions. There was a significant variation for genotypes and genotype x environment interaction for grain as well as for straw yields. Both linear and non-linear components were significant and between the two the linear component was higher in magnitude. Harsha appeared to be the most promising dual purpose variety, where as Varun and Ashwini were found to be suitable for grain and straw yields respectively. Maize (Zea Mays L) is next in important...

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Technology for Maize Cultivation in Andhra Pradesh

Maize is mainly grown in Karimnagar, Warangal, Medak, Nizamabad, Adilabad and Randgareddy districts of Andhra Pradesh. This area forms the maize belt of this state. About 2.5 lakh hectares of maize is grown under rainfed situation in kharif season while around 0.6 lakh hectare is grown during Rabi under irrigated conditions. There is an immense scope for growing maize as an irrigated crop under Srirampadasagar and Nagarjunasagar projects and also in the non-traditional areas of the remaining districts of Andhra Pradesh. Soils Maize can be grown on a variety of soils ranging from sandy to clayey. But it performs...

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Importance and Utilization of Maize

Importance of any crop can be judged by its area, production utilization and share in trade. The same criteria or standards can be applied to maize to judge its importance as cereal crop. Area and Production: Maize is the most widely distributed crops of the world. It is cultivated in tropics, sub-tropics and temperate regions unto 500 and from sea level to 4000 m. Al under irrigated to Semi-arid conditions. Tremendous choice is available as regards to varieties maturing in 85 days to more than 200 days with variability in grain colour and texture etc. As regards to area...

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