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Open Access Publications from the University of California

Department of Plant Sciences

UC Davis

Boron fertilization is a must to enhance peanut production in India


Boron (B) deficiency is a common factor causing low yield in large seeded peanut (Arachis hypogaea L.) in India. Field trials were conducted at Junagadh, Raichur, Vriddhachalam, Mainpuri, Durgapura and Kolasib in different soils to find out effectiveness and feasibility of applying commercial grade B sources i.e. Agricol, Chemiebor, Solubor, Borosol and Borax. The results indicated that application of B has pronounced influence on flowering and yield attributes, and all boron sources increased yield, yield attributes, shelling and 100 seed mass in peanut. Soil application of 1.0 kg B ha-1 as Agricol, Solubor and Borosol increased pod yield by 8-23, 6-18, 12-18 %, respectively, compared to 9-28 % by Borax and 5-24 % by boric acid. Hence either of these B sources could be used. Foliar application (0.1 % aqueous solution) of Borosol, Chemiebor and Solubor showed similar response increasing pod yield by 7-39, 6-32, and 6-35 %, respectively. However, foliar applications showed scorching of peanut leaves during hot and dry weather. Seed dressing of Agricol damaged seeds reducing field emergence, thus was detrimental. Therefore, it is essential to apply 1.0 kg B ha-1 to the soil to enhance peanut productivity by improving pod filling. The data for various locations revealed that soil application of the same amount of B as Borax, Agricol, and Solubor showed similar response and hence any one of these B sources could be used, however, among these Agricol is a cheaper source of B.

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