I found advice on pruning tomato for different items: If the pieces of tomato plant are well aware, you are ready to cut. Please note that the mounting angle of the main branch of the brochure in sivuversosta or a sucker to grow. Pruning is simply to eliminate those side shoots or suckers when they are 3-4 inches long. Suckers can be easily removed by gripping with the thumb and forefinger and pull outwards and downwards. Do not remove the suction cups with a knife, as viruses can be easily sent to another institution.