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Joined: April 21st, 2014, 8:09 pm
Country: pakistan
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Post by mubashiryousaf » May 5th, 2014, 12:29 am

how to prevent black spot disease, do any one know about the chemical that could be easily available in pakistan , plz tell me the exact name of chemical , i have sprayed baking soda solution last month , which is effective till now,what to do in future?

Muhammad Bilal
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Re: rose

Post by Muhammad Bilal » May 5th, 2014, 8:28 pm

This is most common disease in roses. Since the black spot fungus infects when the leaf surface is wet either by rain or sprinkling water by own on the leaves. this fungus disease appear in usually in monsoon when weather is warm and there is lot of rain and so humidity increase.

Avoid wetting rose foliage. and allow good air circulation and discard the infected leaves and burn them so disease no more spread.

in inorganic pesticide Bordeaux mixture, Mangozeb, sulfur, captan may help u to control this disease.
and in organic pesticide baking soda, neem oil may help u.
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Re: rose

Post by KBW » April 12th, 2015, 3:38 pm

mubashiryousaf wrote:i have sprayed baking soda solution last month , which is effective till now,what to do in future?
If its working so far than why do you wish to use a chemical pesticide ?

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Re: rose

Post by Raja_Qaiser » April 12th, 2015, 10:00 pm

Plz share baking soda solution recipie, i have roses in pots on roof and i dont want to spray any chemicals bcoz kids play around and i am cautious about kids.

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