Grevillea robusta 
        
          
            | Family  | 
            Proteaceae | 
           
          
            | Common/Tamil    Name  | 
            Silver oak | 
           
          
            | Uses: | 
           
          
            | Other    Uses | 
            Timber, beautification, honey and used as    shade trees in the cash crops. | 
           
          
            | Seed    Collection time  | 
            February - July | 
           
          
            | No.    of Seeds per kg | 
            95000 | 
           
          
            | Viability | 
            Seed remains viable for few months under    normal condition. However, it can be prolonged for 2 years if stored in Cold    storage. | 
           
          
            | Germination    percentage  | 
            20% | 
           
          
            | Seed    Treatment | 
            The capsules .are beaten to dislodge seeds    which are sown without treatment | 
           
          
            | Nursery    Technique | 
            Seeds on germination in seed beds are    pricked out after 2 months when they are 3-4 cm high. Planted out after 9    months when they are 30 - 40 cm high. | 
           
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