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Guava

Guava (Psidium guajava L.)
Myrtaceae

Varieties
Allahabad, Lucknow 46, 49, Arka Amulya, Arka MridulaBanaras, Baptla, Arka Kiran, Lalit and TRY (G)-1 are the suitable varieties for cultivation.

Soil and climate
Guava grows well both in wet and dry regions but it does better under irrigation in the dry tracts. It can be grown upto 1000 m altitude.  Well drained soils are the best suited for guava cultivation. It can tolerate salinity and alkalinity.  In saline soils add 3 Kg Gypsum/plant during planting and once in three years after planting to overcome the problem. 

Planting material
Layers are used as planting material.

Season of planting
The planting is distributed from June - December.

Spacing 
A spacing 5 - 6m in either way is generally followed.

Planting
Plant the layers with the ball of earth in the centre of pit of 45 cm x 45 cm x 45 cm size filled with FYM 10 Kg neem cake 1 Kg and top soil

Irrigation
Irrigate copiously immediately after planting, again on third day and afterwards once in 10 days or as and when necessary.

Manures and fertilizers
FYM 50 Kg and one Kg in each of N, P and K per tree in two split doses during March and October should be applied. To increase the yield, spray Urea 1 % + Zinc sulphate 0.5% twice a year during March and October. To correct the boron deficiency (reduction in size of leaves and fruit cracking and hardening) spray 0.3% borax during flowering and fruit set stage.

Micronutrients spray for controlling bronzing of leaves
A combined spray should be given containing ZnSO4, MgSO4 and MnSo4 @ 0.5% and CuSO4 and FeSO4 @ 0.25 % plus Teepol @ 1ml per 5 lit of solution on various stages as follows:
  1. New flush                                 3.  Flowering
  2. One month after                        4.  Fruit set

Intercropping 
Legumes and short duration vegetable crops may be raised during pre-bearing stage.

Aftercultivation
Pruning of past season’s terminal growth to a length of 10-15 cm is to be done during September-October and February – March to encourage more laterals.  The erect growing branches are to be bent by tying on to pegs driven on the ground. Old unproductive but healthy trees can be rejuvenated may be either pollarded or cut back to 75 cm from ground level or dehorned by cutting the secondary branches at a distance of 75 cm from their origin.


Pests
  • Tea mosquito bug
  • Aphids
  • Mealy bug 
  • Fruit fly
Diseases
  • Red rust
Harvest
Layers come to bearing in 2 - 3 years. The first crop can be harvested during February – July and the second one during September – January.

Yield
The crop yields about 25 t/ha.