A field observation that roots of sandal wood tree (Santalum album (L.)) formed direct haustorial connections with root nodules of nodulating legumes was confirmed by pot culture studies on interaction between sandal wood plants and pigeonpea (Cajanus cajan (L.) Millsp.) or Pongamia glabra Vent. plants. The number of nodules and nitrogen content of plants decreased in parasitized nodulating species with corresponding increase in the nitrogen content of sandal plants. The root region of sandal had more of nitrogen-fixing bacteria and VAM fungi than those of pigeonpea.

Abstract. Steganography is one in all the foremost persuasive approaches to mask the presence of hidden data inside a cover object. Images are one of the suitable cover objects for the Steganography. Current trends support, digital image files as the cover file to hide multiple secret images. Steganography presents the clandestine information can be covered in mediums like image, video and audio. This paper provides a LSB image Steganography technique to hide multiple secret images in a cover image which is in a YCbCr color space format using Integer Wavelet Transform (IWT). There is no optical variation between the stego image and the original cover image. The proposed hardware architecture gives very fast, programmable & cost effective hardware solution in the area of Secure Communication.

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