Tomato potato psyllid - Plant Biosecurity CRC

Tomato potato psyllid - Plant Biosecurity CRC

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PLANT DISEASE

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  Cowpea Mosaic        Casual organism: cowpea aphid borne mosaic virus Symptoms:first appears dark and light green patches  on leaf surface area.When the disease advances leaf become yellow and dry up.Affected plants have prominent leaf vein,smaller young leaves,stunted plant growth and distorted fruit.Aphid,whiteflies and thrips can transmit viruses from plant to plant on which they feed.Aphid feeding may cause the leaves and fruit to become distorted.Thrips cause severe damage to the young crop by sucking the           cellsap.Whiteflies also feeds on the under surface of the leaf.Disease will transmit through seeds having viruses . Control measures:No adequate control for mosaic disease only we can control vector transmission. *Use only healthy seeds *Spray malathion50EC@2ml/litre or Quinalphose25EC@1.25ml/litre *Spray botanicals like nee oil emulsion *Place yellow sticky trap in fields.      
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Banana Banana is growing in more than 150 countries and having more than 1000types which subdivided into 50 groups. It is a staple food for many countries and has a greater value in nutritional aspects Kerala is bestowed with many varieties of Banana. My search ends with more than fifty varieties of Bananas including all groups. Here I am finding the evolutionary history of two important crops called Banana and coconut. But both belong to different Genus. It is very difficult to find the traces of similarities to two crops and maybe unnecessary to the academics. The evolution of plants always a fascinating subject to me. I believe the evolution of plants happens from one plant to another. So I studied the following characteristics of two crops. Banana by FAO                   It is a giant herbaceous plant with an apparent trunk that bends without breaking The banana plant is not a tree. The banana has an underground stem with a...
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                                             Agroecology-based farming methods Background                      Agriculture   and   allied   sectors   point   out   the   details   of   the   dependence   of   human   life   on   plants   for   various   needs   and   ecological   services   to   sustain   life   on   earth.   For   more   than   five   decades   after   the   green   revolution,   policy   advisors   have   advocated   the   adoption   of   regenerative   agriculture   to   produce   natural   food   abundantly   within   our   reach   w...
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