1. Narwal SS (2004) Allelopathy in crop production. Scientific Publishers, Jodhpur, pp 1–17
2. Narwal SS, Sampietro DA, Catalan CAN (2009) Labortatory bioassay in allelopathy. In: Narwal SS, Sampietro DA, Vattuone MA, Catalan CAN, Politycka A (eds) Plant Bioassays. Stadium Press, LLC, Longview, pp 3–20
3. Sampietro DA, Vattuone MA (2006) Nature of the interference mechanism of sugarcane (Saccharum officinarum L.) straw. Plant Soil 280:157–169
4. Phukan SN (2008) Environmentally affected allelopathic responses of few weeds on late blight disease of potato. Proc Nat Acad Sci India Sect B 78:174–178
5. Baber BH, Tanveer A, Aziz A, Javaid MM, Tahir M, Sibtain M, Khaliq A, Pacanoski Z (2009) Phytotoxic influences of Asphodelus tenuifolius Cav (wild onion) on germination and seedling growth of wheat. Allelopath J 24(2):121–125