INFLUENCE OF BORON APPLICATION ON THE GROWTH AND PRODUCTIVITY OF RICE

CHALIE U ROKOZENO¹*, I KICHU IMKUMNARO², HENARITA DEVI HEMAM^3
1Department of Soil Science & Agricultural Chemistry, Jawaharlal Nehru Krishi Vishwa Vidyalaya, Adhartal, Jabalpur, 482004, Madhya Pradesh, India
²Department of Agro-forestry, Jawaharlal Nehru Krishi Vishwa Vidyalaya, Adhartal, Jabalpur, 482004, Madhya Pradesh, India
³Department of Soil and Water Conservation Engineering, Jawaharlal Nehru Krishi Vishwa Vidyalaya, Adhartal, Jabalpur, 482004, Madhya Pradesh, India
* Corresponding Author : phrebu2017@gmail.com

Received : 02-06-2018     Accepted : 12-06-2018     Published : 15-06-2018
Volume : 10     Issue : 11       Pages : 6333 - 6335
Int J Agr Sci 10.11 (2018):6333-6335

Keywords : Boron, deficiency, rice, panicle sterility and yield
Conflict of Interest : None declared
Acknowledgements/Funding : Author thankful to Jawaharlal Nehru Krishi Vishwa Vidyalaya, Adhartal, Jabalpur, 482004, Madhya Pradesh, India.
Author Contribution : All author equally contributed

Rice is grown globally feeding billions and is affected by various stresses, one of which is nutrient deficiency including boron. About 33% of Indian soils are recorded to be deficient in Boron. Its deficiency in rice is also considered to be spreading in most rice growing soils. Boron maybe micro in amount but its indispensable role cannot be avoided. Its many functions are cell wall stability, flowering, pollination, sugar transport, carbohydrate metabolism. With its deficiency pollen tube and anthers fail to develop which leads to panicle sterility, a limiting factor for rice yield. To keep up with the population pace, rice yield has to be increased and so management of B should be addressed. Deficiency of B can be treated by boron application either as foliar or soil applied. However, range between deficient and toxic is very thin therefore care has to be taken in applying the exact quantity of B fertilizer. Several studies have reported the effect of boron application on rice attributes to increased number of productive tillers, grain weight, panicle, reduce in panicle sterility and thereby, increase in yield over control.

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