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20171
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Subject: Plant Physiology × Author: Bhangare, Rupali Vitthal ×
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    ThesisItemOpen Access
    Studies on response of sweet corn (zea mays L.) To micronutrient (mg, zn and b) application
    (Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani, 2017-05-29) Bhangare, Rupali Vitthal; Salunke, V.D.
    The experiment was conducted on experimental site of Wheat and Maize Research Unit, VNMKV, Parbhani during kharif season 2016-17. The soil was medium black with moderate moisture retention capacity. The land having uniform topography was used to study the responses of micronutrient's (Mg, Zn and B) to crop hybrid (Phule Madhu) under irrigated condition, by using soil and foliar application of (Mg, Zn and B) micronutrients in presence of RDF @ 120:60:50 NPK kg/ha. The experiment was laid out in RBD with three replication and ten treatments, T1 (control), T2 (RDF 120:60:50 kg NPK!ha), T3 (RDF +Mg +Zn +B @ 20kg, 20kg, 5kglha) respectively, soil application at the time of sowing), T4 (RDF + Mg @ 20kg/ha, soil application at the time of sowing), T5 (RDF +Zn@ 20 kglha, soil application at the time of sowing), T6 (RDF +B@ 5 kg/ha at the time of sowing), T 7 (RDF +Mg + Zn+ B foliar application @ 1% at 30 & 45 DAS), T8 (RDF +Mg foliar application @ 1% at 30 & 45 DAS), T9 (RDF+ Zn @ 1% foliar application at 30 & 45 DAS) and T10 (RDF+ foliar application ofB@ 1% at 30 & 45 DAS). The biometric observations i.e. plant height at flowering and harvesting (em), chlorophyll index (SPAD), initial & fmal plant count (m2 ), days to 50 % tassels & silk (DAS), cob height (em) at flowering & harvesting, leaf area ( dm2 ) at flowering & harvesting and the yield parameters green cob weight with husk I without husk at harvest (kg/plot), cob length (em), cob girth (em), green cob sweetness (brix reading %) and cob yield ( qtlha) at harvest. The maximum cob yield The maximum cob yield was recorded by treatment T7 (436.80 q ha1 ) with the application of 120:60:50 kg NPK!ha and spraying of Mg+ Zn+ B@ 1% at 30 and 45 DAS) (41.93 kg plof 1 and 436.80 q ha- 1 ) which was at par with treatment T 8 (RDF+ Foliar application of Mg @ 1% at 30 & 45 DAS) (36.42 kg plof1 and 379.39 q ha-l) and significantly superior over rest of treatments.