The document discusses selfing and crossing methods in mango (Mangifera indica), detailing the flower structure and pollination processes. It explains the process of emasculating perfect flowers for crossing, as well as the steps to prevent cross-pollination using muslin bags. Additionally, it lists various mango varieties cultivated in Pakistan, such as Chaunsa and Sindhri.

1. Selfing and Crossing in
Mango
Submitted to: Dr. Zeeshan Hassan (Biotechnologist)
Submitted by: Talha Rao (07)(agriculturist)

2. Introduction
 English name:
Mango
 Local name:
Aam
 Scientific name:
Mangifera indica
 Family:
Anacardiaceae
 Chromosome no:
2n=40

3. Flower Structure
 Sub sessile
 6-8 mm in diameter
 3-4 mm long
 Whitish
 Only 1 stamen present on one side of flower in some spp.
 5 sepals
 5-6 petals
 Self as well as cross pollinated
 Entomophilous

4. Selfing in Mango
 Only 10 to 20% chances
 Flower is covered with muslin bag before opening of flower.
 Bag is closed so that no external pollen enter the stigma.
Crossing in Mango
 Two types of flower found in mango plants; Male and perfect

5.  Male Flower
 Male flower is used only to obtain pollens.
 Perfect Flower
 In case of perfect flower, female parent is emasculated before opening of
flower.
 Male parent should be gently brushed to remove anthers and immediately
bagged.
 Pollen are then sprinkled on female parent and covered with muslin bag.
 Bag is not removed unless fruit is set.

6. Varieties of Mango in Pakistan
 Chaunsa
 Sindhri
 Langra
 Dusehri
 SamarBahisht
 Anwar rataul
 Neelam
 Muhammadwala
 Fajrikalan

7. References
 https://www.google.com/
 https://en.wikipedia.org/
 https://www.slideshare.net/
 http://eagri.org/eagri50/GPBR212/lec22.pdf

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