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According to John Irwin, extension specialist at the University of Minnesota, the horticulture sector is facing increasing challenges that separate it from traditional agriculture.
"You need to be better able to understand what makes plants bloom," he said in his presentation titled "Annual and flowering perennials whenever you want!" At Cultivate & # 19; Columbus, Ohio. the world and you should try to make them bloom, usually within one to two months, which is very different from corn or soy. You must be much more sophisticated in what you do. we need to understand these tips to understand how to make things flourish in a certain amount of time. "
Here are three tips from Irwin, also a consultant to Altman Plants, for growers who want to refine their flower production.
1. Understand the difference between "juvenile" and "mature" plants.
According to Irwin, juvenile plants are crops only capable of vegetative growth. At this point in the growth process, he said, growers should not treat the plant if it is ready to bloom. Not only is it a waste of product, but it will also stimulate plant growth. 
To identify when a plant is ready to move from the juvenile stage to the flowering stage, Irwin recommended checking the knots – the stain on the flower from where the pimples or leaves will come from. Each plant has a minimum number of nodes to be clbadified as mature.
2. Put your plant in the right group.
There are two types of irradiance (the density of radiation received by a plant), explained Irwin. The first, optional response to illumination, means "the number of leaves below the first flower decreases as irradiance increases".
One way producers can use this information is to determine if lighting will make it easier to use. If a plant belongs to the previous group, it may be advantageous to increase lighting to increase flowering, Irwin said. He noted that there was a limit to the amount of light that could actually accelerate growth, and finding that limit was key to keeping lighting costs under control. If an installation is clbadified in the second group, it may not be useful to use HPS or LED lighting.
In addition, Irwin stated that there are five clbadifications of plants that growers must know:
? Obligate Short Day Plant – plants only bloom when they are grown under short days
? Optional Short Day Plant – plants flower earlier and with fewer nodes below the first flower when grown SD than LD
? Obligate Long Day Plant – Plants only bloom when they are grown under long days
? Optional Long Day Plant – plants flower earlier with fewer nodes below the first flower when grown under LD compared to SD
? Day Neutral Plants – Plants bloom at the same time as developing under SD or LD
According to Irwin, local breeders and extension workers can help producers identify the category in which their plant is located. The clbadification is important, he said, because the growth of a plan incorrectly – whether in the catch phase or in the flowering phase – means that growth times will be staggered. This can lead to growth delays, which means that orders can not be executed on time.
This clbadification can also be applied to crop production, Irwin said. Herbs, for example, are short-day crops.
3. Know the right temperatures.
A common and preventable mistake that Irwin says he sees among producers is to grow their crops in a greenhouse that is too hot or too cold. Even a short period of time in the wrong environment can have a negative impact on plant growth.
According to Irwin, Vinca is a culture with which he has seen producers make many mistakes. Vinca are best produced in a greenhouse at high temperatures (68-78o F). But for several years, he has seen producers put them in too cold greenhouses. When that happened, he said the flowering was delayed by several weeks.
A number of ideal growing temperatures are available on Irwin's website. It also recommends contacting local extension specialists for any plants not listed or in unique weather conditions that may affect the growth of the environment.
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