Single-sex syndication (parthenocarpy)

plants do not experience the phenomenon of sperm and the development of children's rooms is fruitful. The fruit of monosexual solidity, which contains no seeds or only seeds of decay, is called seedless fruit. There are two situations: (1) natural monotony is strong. Also known as spontaneous monosexuality. Refers to the phenomenon of strong development under natural conditions without pollination or any other stimulation. Such as bananas, umbilical oranges, anchovies, Wenzhou oranges and grapes of certain varieties. The fruits of these cultivated plants are seeds-free and of good quality, and are excellent varieties of horticulture. (2) Inducing single-sex syndication. Also known as stimulating monosexual syringe. Refers to the phenomenon that needs to be induced in order to cause monosexual syringe. Inducing factors (irritants) include pollen from exotic plants, growth-regulating substances or other chemicals, low temperature, high temperature, high light intensity, etc. For example, using the pollen of mountain tigers to stimulate the column of grapes, with 2,4-D, pyridine and other stimulation of melons and tomatoes, sprayed with erythromycin or soaked rose-scented grape fruit spike to induce monogenic strongness, all achieved good results.