Enhancement of Growth, Inoculation and Yield Production of Corn (Zea mays L.) Hybrids by Using Bio-Fertilizer
Subject Areas : Journal of Crop Nutrition ScienceAnise Jorfi 1 , Mojtaba Alavi Fazel 2 , Adel Modhej 3
1 - Young Researchers and Elite Club, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran.
2 - Department of Agronomy, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran.
3 - Department of Agronomy and Plant Breeding, Shoushtar Branch, Islamic Azad University, Shoushtar, Iran.
Keywords: Nutrition, Nitroxin, Genotypes, Seed weigh,
Abstract :
Bio-fertilizers are naturally occurring soil bacteria that aggressively colonize plantroots and benefit plants by providing growth promotion. This investigation was aimedat determining the effect of Nitroxin bio-fertilizer application on growth, inoculationand yield production of corn hybrids. An experiment was conducted as split plot on thebasis of randomized complete block design with four replications. Main plots were Included:use of the chemical and biological fertilizers in four levels (F1: 100% urea +0% Nitroxin; F2:75% urea + 100% Nitroxin; F3: 50% urea + 100% Nitroxin; F4: 25%urea + 100% Nitroxin) and the sub plots included three maize hybrids (H1: SingleCross 704 hybrid, H2: Mobin hybrid, H3: Karoun hybrid). Chemical fertilizers usedincluded urea, triple super phosphate and potassium sulphate and Nitroxin as biologicalfertilizer. The results showed that the highest seed yield and 1000 seed weight wasallocated to 50% urea with 100% Nitroxin application. Single cross 704 at the level of100% chemical fertilizer had the highest number of seeds per ear, number of seeds perrow and inoculation percentage. Seed yield had positive and significant correlationwith seed number per ear, number of seed per row, seed weight and ear length. Alsolength of ear without a seed trait had the significant negative correlation by number ofseed per row and ear length at 5% probability level, which shows a decrease length ofear without a seed by increasing ear length and seed number per row. Finally applicationof N fertilizer level at 50% chemical fertilizer + 100% biological fertilizer andKaroun hybrid was recommended.
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