Premature flower drop in mango

fructus natura said:
Can anybody suggest some organic methods to stop premature flower dropping mango,unable to make out the reason
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Flower & Fruit dropping in Mango Orchard:

Fruit Drop: Fruit drop is serious problem in mango and cause great loss to the growers. A tree producing several thousand panicles yields only a few hundred fruits.

Most of the flowers falling down after full bloom or at later stage of development. Only
0.1 to 0.25% perfect flowers or even less develop in to mature fruit. Fruits drop at all
stages of maturity. Maximum fruit drop takes place in last week of April or first week of May depends upon favourable condition. The fruit drop can be divided in to three distinct phases eg., pin head drop, post setting drop and May drop.

The flower drop as well as the fruit drop is primarily due to the formation of an abscission layer at the point of attachment of the fruit with the twig. Several factors have been considered responsible for the formation of abscission layer. The causes can be divided in to two;

External causes:

· Unfavourable climatic conditions.
· High incidence of serious diseases like powery mildew and anthracnose and pests like hoppers and mealy bugs.

Internal causes:

· Poor soil
· Lack of pollination
· Low stigmatic receptivity
· Defective perfect flowers
· Poor pollen transference
· Occurrence and extent of self incompatibility.
· Abortion of embryo
· Degeneration of ovules.
· Competition between developing fruit lets.
· Drought / lack of irrigation.
Measures to prevent fruit drop:

· Spraying of 2, 4-D @ 10 ppm or NAA @ 50 ppm at pea stage and at marble
stage helps in preventing fruit drop.
· Providing pollenisers for self incompatible types.
· Maintaining sufficient soil moisture also prevents fruit drop and helps in increasing the size of the fruit.

· Provision of wind beaks all around the orchards, which prevents drop due to high velocity winds at the time of fruit development.

Please contact us for project report for availing Bank term loan:
G.Ananda rao B.Sc(Ag)
Agri Finance consultant, Vijaya Agro Consultants
Mobile: 9703128495
Mail: garao56@gmail.com
 

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