Growth, yield components and yield of hybrid rice

Homo-brassinolide spraying played an important

Cochran, W. G., Cox, G. M., 1977. Experimental Designs. Asia

role in regulating the grain and straw yield of hybrid

Publishing House, Kolkata. pp: 95-132 and 142-181.

rice. The highest grain yield (5090 kg ha -1 ) was

Dai XQ, Zhang HY, Spiertz JHJ, Yu J, Xie GH, Bouman BAM

2009.Crop response of aerobic rice and winter wheat to

recorded in crop grown at thrice spraying of homo-

nitrogen, phosphorus and potassium in a double cropping

brassinolide at AT+PI+FL. Twice spraying of homo-

system. Nutrient Cycling in Agroecosystems 86 (3): 301-315.

brassinolide at AT+PI also produced significantly

Dey, R.K., Bauri, A.K., Pramanik, K. and Bera, A.K. 2012.

higher grain yield (4806 kg ha -1 ) than what obtained

Growth and productivity of hybrid rice as influenced

at only one spraying of homo-brassinolide at

by homo-brassinolide and nitrogen level under lateritic

active tillering stage (4616 kg ha -1 ). The straw yield

soil. Abstract: National Seminar on Safe Food for All held

during February, 21-23, 2012 organized by Department

increased steadily and significantly up to the thrice

of ASEPAN, Institute of Agriculture, Sriniketan, Visva-

spraying of homo-brassinolide (7403 kg ha -1 ) which

Bharati, February, 21-23, 2012, pp.57.

was significantly superior to that obtained at other

ElenaA.V. and Rodrigo,A.G. 2008.A systems view of nitrogen

homo-brassinolide spraying. The lowest grain and

nutrient and metabolite responses in Arabidopsis. Current

straw yields were obtained from the crop at only

Opinion in Plant Biology 11 : 1-9

one spraying of homo-brassinolide. HI did not

Hu, R., Cao, J., Huang, J., Peng, S., Zhong, X., Zou, Y., Yang,

show significant response to spraying of homo-

J., Buresh R. J. 2007. Farmer participatory testing of

standard and modified site specific nitrogen management

brassinolide. The results are in conformity with

for irrigated rice in China. Agricultural Science . 94 : 331-340.

those of Wu et al. (2008), Dey et al. (2012) and Bera

Huang, J., He, F., Cui, K., Buresh, R. J., Xu, B., Gong, W. and

and Pramanik (2012).

Peng, S. 2008. Determination of optimal nitrogen rate

for rice varieties using a chlorophyll meter. Field Crops

Conclusion

Research 105 : 70-80.

From the present study, it is clear that both nitrogen

Lin, X., Zhu, D., Chen, H. and Zhang, Y. 2009. Effects of plant

density and nitrogen application rate on grain yield and

and homo-brassinolide had significant effect on the

nitrogen uptake of super hybrid rice. Rice Science 16 (2):

growth, yield components and yield of hybrid rice.

138-142.

Application of 180 kg N ha -1 and homo-brassinolide

Maske, N.S., S.L. Borkar and H.J. Rujgire, 1997. Effect of

spraying at active tillering + panicle initiation +

nitrogen levels on growth, yield and grain quality of rice

flowering stages resulted higher grain yield and

Journal of Soils and Crops 2 (1): 83-86.

straw yield.

Nakashita, Hideo, Yasuda, Michiko, Nitta, Takako, Asami,

Tadao., 2003. Brassinolide functions in a broad range of

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