The effect of foliar application of fertilizers with growth stimulants and micronutrients on yield and yield components of two corn cultivars

Subject Areas : crop production

فرزاد جلیلی ¹ (گروه کشاورزی-دانشکده کشاورزی- دانشگاه ازاد اسلامی خوی-ایران)

Received: 2020-06-30 Accepted : 2021-03-05 Published : 2021-06-06

Keywords: grain yield, growth stimulator, foliar spray, hybrid.,

Abstract :

To investigate the foliar application of fertilizers, containing growth stimulants and micro-nutrients on the yield and yield components of two maize cultivars, a field experiment was conducted in a factorial randomized complete block design with three replications.The first factor consisted of two levels of maize cultivar (Single Cross 704 and Maxima), and the second one included the foliar application of fertilizers containing growth stimuli at five levels (Brexil Combi , Azomin , Eliqzer , Bio-20 Gold and No consumption). Analysis of variance showed that most of the studied traits including plant height, stem diameter, dry weight of stem and leaf, number of grains per row, total number of grains per ear, 1000-grain weight, grain yield, biological yield, protein percentage and seed yield were affected by different fertilizer treatments. Also, the effect of cultivar on all traits except stem diameter and grain protein percentage was significant. The highest plant height (315.1 cm), 1000 kernel weight (271.2g), grain yield (12.9 t/ha) and protein yield (1.96 t/ha) were obtained from Bio-20 gold fertilizer. The highest percentage of grain protein with 10.38 units was related to foliar application of azomin. Among the maize cultivars, hybrid single-crop 704 with 12.75 ton/ha had the highest grain yield. Interaction between fertilizer treatments and maize cultivars showed that the highest grain yield ( 13.57 t/ha) was related to the application of Bio-20 gold fertilizer on maize cross 704 was related to the use Eliqzer growth stimulator in Maxima cultivar. Therefore, according to the obtained results, application of Bio-20 Gold and Single cross 704 maize with highest grain yield for foliar application and cultivation in the area is recommended

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