Effect of defoliation on seed yield of castor (Ricinus communis)

Indian Journal of Agricultural Sciences

Volumn 79, Issue 8, 2009, Pages 620-623

  Lakshmamma, P ^a   Lakshminarayana, M ^a   Prayaga, Lakshmi ^a   Alivelu, K ^a   Lavanya, C ^a  

^a DIRECTORATE OF OILSEEDS RESEARCH   (India)

Author keywords

Castor; Defoliation; Primary; Secondary; Tertiary spike initiation stages; Yield

Indexed keywords

RICINUS COMMUNIS;

EID: 69949188479     PISSN: 00195022     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (7)

1. Board J E, Weir AT and Boethel D J. 1994. Soybean yield reduction caused by defoliation during mid to late seed filling. Agronomy Journal 86: 1074-1079
2. Dinesh-Hans and Sundaramoorthy. 2002. Optimization and defoliation tolerance evaluation of four released castor varieties in semi-arid farming. Plant-Archives 2 (2): 285-8.
3. Julio Muro, Ignacio Irigoyen, Ana F. Militino and Carmen Lamsfus. 2001. Defoliation effects on sunflower yield reduction. Agronomy Journal 93: 634-637
4. Lakshminarayana M and Raoof M A. 2005. Insect pests and diseases of castor and their management. Bulletin, pp78. Directorate of Oilseeds Research, Hyderabad.
5. Prasad T V, Nandagopal V, Gedia M V, Makwana K D and Patel H V. 2008. Simulated defoliation during different crop growth stages to assess insect damage and yield losses in Spanish groundnut, Arachis hypogaea L. Journal of Oilseeds Research 25 (1): 44-47
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7. Yang By and Midmore D J 2004. Experimental assessment of the impact of defoliation on growth and production of water stressed maize and cotton plants. Experimental Agriculture 40: 189-199