Often happens so that gardeners carry out all complex of necessary agrotechnical actions, look forward to emergence of ovaries, and they are absent. In what the reason of emergence of barren flower?
If you on cucumber beds have no ovaries, keep in mind that the delay of emergence of pistillate flowers can be as seeds. If you have seeded fresh seeds, then at first men's flowers, and then already women's are formed. Use seeds of 2-3-year for crops. At the same time both female, and men's flowers will be formed at the same time.
Violation of balance of power supply is other reason of infertility of cucumbers. For example, availability in the soil of excessive quantity of nitrogen fertilizers that provokes rapid growth of leaves, lashes and barren flowers.
The third reason of lack of pistillate flowers - watering of plant cold water, below 25 °C. It is impossible to assume that water was colder, than the soil. One more factor of emergence of "pustotsvetny cucumber abundance" – there is too much moisture in the soil. Dry it on cucumber bed within several days. As soon as slightly podvyanut leaves then many pistillate flowers will appear. Try not to overdry the soil at the same time. Prishchipnite of top of the main stalk of plants. It will suspend their growth in length and will cause emergence of side sprouts of pistillate flowers. Problems with ovary on tomatoes can arise if too high temperature of air and is not enough humidity. Also the shortage of phosphorus and cobalt in the soil can be one of the reasons. Use special medicines for increase in number of ovaries which are on sale in specialized shops. Tomatoes do not love too fertilized soil - all growth goes to tops of vegetable. If the ovary is not formed on cabbage, perhaps seedling has transferred subzero temperature or too early has been planted. Can have harmful impact of heat, low indicators of air humidity. Try the medicines "Ovary for Cabbage" or "Ecoberin" – applied to plants at stressful situations. Choose grades of the Dutch selection, their problems with formation of ovary are not observed.