Disease management :

STYLER END ROT (Phomopsis psidii de Camera):

Symptoms: Circular to irregular discolouration of fruits starts from the styler end side. The affected area turns reddish brown surrounded by light yellow region, becomes soft, the fruits start rotting which progresses further towards stem end side thereby covering the entire fruit. At times latent infection leads to the rotting of the mature fruits during storage which in turn spread infection to the other healthy fruits. Young growing leaves and shoots are also get infected by the pathogen.

Epidemiology: The disease is more serious during rainy season. It appears in the month of December and rapidly spreads during February and March.

   Management: The disease can be effectively controlled through the sprays of Carbendazim (Bavistin 0.1%) or Thiophanate methyl (Topsin M or Roko 0.1%) or Chlorothalonil (Kavach 0.2%) at 20 days intervals.

 

 



Guava general information

Guava (Psidium guajava L) of the myrtle family (Myrtaceae), is the fifth most widely grown fruit crop in India after banana, mango, citrus and papaya. The fruit has gained considerable prominence in India due to its high nutritive value, moderate prices, pleasant aroma and good flavour. Guava is a rich source of vitamin C and pectin and moderate source of B vitamins, calcium, iron and phosphorus. It is one of the commonest fresh fruits liked by the rich and the poor alike and is popularly known as the ‘apple of tropics’ or `poor man’s apple’. Only a small quantity of the production is utilized for processing in the form of jelly, canned cups, juice and nectar, cheese, toffee bar, powder, flakes and strained baby foods have also been prepared besides commercial pectin.

Contact us.

  • ICAR - IIHR.
  • Indian Institute of Horticultural Research, Hessaraghatta Lake post, Bengaluru - 560 089.
  •   Phone +91-80 23686100. website : www.iihr.res.in