this is brief and complete presentation on the topic selfing and crossing techniques in tomato. hope that it will prove to be helpful for you

2. INTRODUCTION
• SCIENTIFIC NAME :Lycopersicon esculentum MILL.
• FAMILY : SOLANACEAE
• CHROMOSOME NO. : 2N = 2X = 24

3. FLOWER STRUCTURE
• HERMAPHRODITE
• 5 SEPALS
• 5 PETALS
• BRIGHT YELLOW COLOURED
• 5 STAMENS

5. SELFING
• SELF POLLINATED CROP AS STAMENS FORM A SOLID CONE ENCLOSING THE PISTIL
• FOR SELFING JUST COVER THE FLOWER WITH BUTTER PAPER BAG.

6. CROSSING TECHNIQUES
• EMASCULATION
• BAGGING OF EMASCULATED FLOWER
• POLLEN COLLECTION FROM DESIRED VARIETY
• SPRAY THE POLLENS ON EMASCULATED FLOWER
• BAGGING
• TAGGING

7. VARIETIES
• MONEYMAKER
INDETERMINATE, MATURITY 80 DAYS, RED ROUND-SHAPED. DOES WELL UNDER HUMID CONDITIONS
• RIO GRANDE
MATURITY 75 DAYS, DETERMINATE, DISEASE RESISTANT
• ROMA VF
MATURITY 75 DAYS, DETERMINATE, PLANT HEIGHT 4 FEET, RED PLUM SHAPED
• TROPIC
80 DAYS, INDETERMINATE, HIGHLY RECOMMENDED FOR THOSE AREAS THAT ARE HOT AND HUMID AND PRONE TO DISEASE.