Wheat stem chrysanthemum
Scientific name: Helichrysumbracteatum
Aliases: wax chrysanthemum, iron chrysanthemum
Family and genus: Compositae
Flowering season: winter to spring, about December to May of the following year
Introduction: wheat stem chrysanthemum, plant height 70-120 cm, stem stout, rough, seemingly hairy, leaf blade strip or lanceolate, inflorescence solitary branch apex, flower diameter 3-6 cm, disk margin petals for multi-layered involucral bracts around inflorescence, outer bracts short, arranged into imbricate, inner bracts elongated into petal shape, reddish or yellow, base thickened with green, dry and hard. Similar to the nature of wheat stalk, so known as wheat stem chrysanthemum, florets gathered into a yellow disk, about 2 cm in diameter. The colors are white, light red, rose red, purple red, as well as light yellow, deep yellow to deep jujube.
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Prediction and control of diseases and insect pests of Ermai in Shanghai
According to the occurrence base of diseases and insect pests of two wheat crops in various districts (counties), combined with the analysis of weather conditions, it is expected that the occurrence trend of diseases and insect pests of two wheat crops in this city will be moderate this year. Among them, wheat scab occurred moderately, local heavy occurrence, gray planthopper heavy occurrence, local large occurrence, wheat aphid moderate occurrence, wheat powdery mildew, barley scab light occurrence, armyworm light occurrence. In order to effectively control the damage of diseases and pests and seize a bumper harvest of summer crops, it is hoped that all districts (counties) will conscientiously do a good job in the prevention and control of diseases and insect pests of summer crops in the light of their respective production practices. I. Analysis of occurrence trend
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The No.1 potato king of the world
Potato king 1 has sturdy vines, green leaves, heart-shaped, engraved stems, purplish red stem veins, purplish red potato skin, pure white potato spindles, early and concentrated tubers, high tuber rate, 35% Mel 38%, and 24% starch in fresh potatoes. Spring potato has 3-5 tubers per plant, weighing 2mi 4kg, while summer potato 4m 5m 8kg, weighing 155m 3kg. Smooth skin, no crack ditch, inflated potato pieces, resistant to storage, strong sprouting. Resistant to fertilizer, barren and high resistance to potato diseases. Good seed, easy to manage, save water, save medicine, save labor
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