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How to observe the life history of sexual reproduction in Gastrodia elata
The seeds of Gastrodia elata are composed of an embryo and a single layer of cells, with no endosperm. The seeds are very small, averaging 0.69 mm in length and 0.14 mm in width, with the embryo averaging 187 micrometers in length. When sown in early June, half a month later the embryo cells begin to differentiate, the embryo diameter increases noticeably, the middle of the seed swells, the suspensor is dark in color, and the newly differentiated cells at the apex of the embryo are light in color; then the seed coat ruptures at this end, and the embryo breaks through the seed coat. July happens to be the rainy season in the production areas, with soil temperature around 25°C and soil moisture around 60%. The Gastrodia elata seeds germinate one after another, and 26 days after sowing they grow to a length of
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4 Important Life Habits You Must Know for Raccoon Dog Farming
The raccoon dog's life habits have the following four characteristics. (1) Gregariousness: wild raccoon dogs usually live in pairs in dens, with 1 male and 1 female per den, though there are also cases of 1 male with multiple females or 1 female with multiple males. The parents and pups of neighboring dens usually play and frolic together, and mother raccoon dogs sometimes even nurse each other's young indiscriminately. Under domestic conditions, this characteristic can be used to group weaned pups into groups of 10~20 and raise them together in pens. (2) Nocturnal: this characteristic is very obvious in wild raccoon dogs. They sleep in their dens during the day and come out around dusk and dawn to move about and
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How to control the jujube bud weevil? Understanding its life habits is key
The jujube bud weevil belongs to the order Coleoptera, family Curculionidae. It occurs in Henan, Hebei, Shanxi, Liaoning and other famous jujube-producing areas, mainly harming jujube, apple, pear and other fruit trees. The jujube bud weevil emerges from the soil in early spring and first damages the young buds of jujube trees. It is the earliest pest to appear on jujube trees. When the population density is high, it can eat all the jujube leaves, causing a second flush of buds and resulting in reduced yield or total crop failure. The adult is dark gray or earth-yellow, with a black head, two curved elytra that are 2 times as long as wide, and a silvery-gray ventral surface. The eggs are milky white, turning brown later, oblong,
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How to Keep Mutton Fresh: Practical Methods to Extend Its Shelf Life
Fresh mutton, especially a freshly slaughtered carcass, has a suitable temperature and is rich in nutrients, making it ideal for bacterial growth and reproduction. Particularly in hot weather and seasons, under natural conditions it will spoil and deteriorate within a few hours, and sometimes it even begins to discolor and spoil before it reaches the market or is sold out. Given this situation, freshly slaughtered mutton, whether for short-term storage or for slaughter-to-order sales, must be cooled or refrigerated promptly so that the meat temperature drops below 5°C in time, in order to reduce bacterial contamination and extend its shelf life.
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How to raise a small turtle so it lives a long life? Practical care methods to share
Introduction: Many people want to keep turtles, because they all think turtles are fun, have strong vitality, are quiet, and need only a small space. But few manage to keep them alive and well; they buy them and raise them according to the methods the pet sellers tell them, and as a result the turtles die before long. So how do you raise a long-lived little turtle? 1. How to choose one. A healthy turtle has a hard, complete, unbroken shell, a thick body, and a bright light-green shell; its eyes are bright and wide open, its nostrils are clean and clear, and its head rear and limbs move freely. It will compete for food, and some will climb onto other turtles' shells to rest. In short, choose
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A Detailed Analysis of the Entire Life Cycle of the Shiitake Mushroom
After the spores of the shiitake mushroom mature, they are ejected from the gills, and under suitable conditions, the spores will germinate and produce germ tubes. The germ tubes carry out apical growth and branch out to develop into hyphae. The monokaryotic hyphae of the shiitake mushroom must undergo heterothallic mating before they can form dikaryotic hyphae. This kind of dikaryotic hypha continuously grows and forms clamp connections to proliferate cells, reproducing within the substrate to form a mycelium. The mycelium continuously grows and develops, accumulating nutrients, and under suitable conditions will form the primordium of the fruiting body and rapidly grow into a mushroom bud. After the fruiting body matures, it can then reproduce the next
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Detailed Explanation of the Damage Characteristics and Life Habits of the Jujube Gall Midge
The jujube gall midge, commonly known as the leaf-rolling maggot or jujube maggot, damages the young leaves of jujube trees with its larvae, causing the affected leaves to curl lengthwise toward the upper surface. Early-stage curled leaves are purplish-red, while late-stage curled leaves are mostly brownish-green. The damaged leaves gradually wither, scorch and drop off. The jujube gall midge produces 5-6 generations per year and overwinters as larvae in the shallow soil beneath the trees. In late April the larvae begin to curl leaves and cause damage, with early May being the peak damage period. The pupal stage of the first generation occurs in early June, and adults emerge in early June. In the Beijing area, it occurs in large numbers in May and June, causing the most severe damage, and the larvae mature in about 10 days. In late August
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An Introduction to the Common Life Habits and Characteristics of Dogs
Dogs Have a Hierarchical Instinct. Dogs are naturally sociable animals, but within a group there is a clear hierarchy. In dog breeding farms, rural areas or suburban dog packs, there is always a top dog (usually an older dog) that dominates and governs the whole pack. How does a high-ranking or senior top dog demonstrate its hierarchical superiority? It usually uses the following specific actions to show it: for example, it is allowed to inspect another dog's reproductive organs while the other is not allowed to inspect its own; it does not permit the other to urinate where another dog has already urinated; the other may shake its head, wag its tail, act playful, or retreat in front of the top dog
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Many Methods for Preserving Edible Mushrooms: Master the Techniques to Extend Storage Life
Salt preservation: Freshly harvested oyster mushrooms, Phoenix-tail mushrooms and the like, after being cleaned up, are soaked in 0.6% salt water for about 10 minutes, then taken out, drained and stored in plastic bags, keeping fresh for 5-8 days. Rice-water film preservation: Add 1% soda ash or 5% baking soda to rice water, stir well, and cool to room temperature. Soak freshly picked mushrooms in the rice water, take them out after 5 minutes, and dry them in a cool, dry place; by then a thin film of rice water will form on the surface of the mushrooms, which can isolate air, and the mushrooms can generally keep fresh for 2-3 days. Ascorbic acid solution preservation
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What kind of animal is a prairie dog? Let us introduce you to its habits and lifestyle
Size: body about 30cm long, tail about 8cm long. Origin: North America. Diet: omnivorous, mainly plant-based. Body color ranges from yellow to brown. It has a short, stocky build with a short tail. They live in groups in interconnected burrows dug in the prairie. Because they are used to living in groups, even keeping several of them will not lead to fights. They appear frequently in nature documentaries and are very popular cute animals. Their standing and sitting poses are especially adorable, and they are also very easy to tame. At the same time, they wag their tails like dogs, which is very endearing. Their food is mainly plant-based, and commercial hamster feed and dog food are also good choices. Although they are sold in pairs on the market, breeding them is still quite difficult.
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