When it involves hydrilla, it means to hydrilla verticillata and belongs to eukaryotic vegetation. We additionally name it black algae in China. It distributes broadly within the jap hemisphere and in addition might be seen ubiquitously in a lake, pond, or ditch throughout China. In this text, I’ll introduce some options for this product.
1. What is hydrilla?
Staying underneath the water, it has a vertical and slender stem, about 50 to 80mm lengthy. And its leaves are 15mm lengthy. Such vegetation has small and white flowers unisexual. The fruit is a triangle type. Asexual replica begins within the fall yearly. Squamous buds, that are the specialized dietary reproductive organs, develop on the highest of branches. And they’re generally often known as “up fruit”. On the opposite, white fruits develop within the roots known as “down fruit”. Usually, up fruit sinks to the underside coated by mud. In the meantime, down fruit typically goes into the mud about Three to five cm deep. By the way in which, down fruit seldom reveals up. Winter is hibernation durations. When the water temperature is above 10 levels, the buds will germinate. Shining by the solar, the stem and leaves turn into inexperienced. When the bud elongates in the backside of axils, adventitious roots are come out and type brand new toddler hydrilla. As the plantlet grows up, it is ready to replant by its reducing department. Currently, it’s broadly planted in the crab pond.
2. Environment for hydrilla rising
Hydrilla likes sunshine very a lot. If it grows in a surroundings missing of gentle, its new leaves will turn into in-nutritious and regularly die. Thus, you may put it underneath the solar 2 to3 hours each day. As it’s fond of gentle and endures chilly, 15 to 30 levels temperature is healthier for its progress, particularly not lower than four levels in winter.
3. Advantages of hydrilla
As the saying goes, ‘from the hydrilla you may inform what sort of crab it’s’. Hydrilla performs a vital position within the breeding of crab. Since the 1990s, folks first started to plant Vallisneria natans (Lour.) Hara then planted waterweed. And now hydrilla is extra common and customary. Thus, hydrilla has to turn into the popular waterweed to crab-culturing. It not solely has the benefit of the opposite aquatic vegetation but additionally has 4 facets strengths as follows.
- It endures greater temperatures.
- It by no means polluted water high quality of crab pool.
- It has a powerful life. It can relive even damaged by the crab.
- It tastes good for crabs.
This is to say, it collects all the benefits of waterweed and conveys financial and social advantages to breeders. Experts indicated, utilizing hydrilla to crab breeding, the yield of crab elevated 32.28%. The revenue added 82.04% as properly.