Rust control of licorice
The pathogen is a kind of basidiomycetes in fungi, which mainly harms leaves. The yellow-brown blister unilateral disease spot appeared on the back of the susceptible leaf, and the brown powder was released after the epidermis ruptured, that is, the summer spore pile and summer spore of the pathogen, and the dark-brown winter spore pile was formed from August to September. Prevention and control methods: 1. The leaves of the diseased plants were burned. two。 At the initial stage of the disease, spray Baume 0.3-0.4 stone sulfur mixture or 97% diazepam sodium 400-fold solution.
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Transplanting techniques of Glycyrrhiza uralensis
Generally, it takes place in late autumn and early spring, before the land is frozen in late autumn, before and after Ching Ming Festival in early spring, and no later than mid-April. On the basis of last year's autumn ploughing, the transplanting land should make a bed (the width of the border is determined by row spacing 50cm, depending on several rows of the border), and then fertilize, dig up the seedlings raised last year after thawing, and remove the aboveground and lower growing points for reserve. In the whole field, trench according to the row spacing 50cm, deep 12cm, and then put the seedlings flat on the bottom of the ditch, the head inclined to the inside slope, the slope is 10 degrees. It takes 2 lines to put the seedlings.
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Morphological characteristics of Glycyrrhiza uralensis and suitable seed environment
[morphological characteristics] Glycyrrhiza uralensis is a perennial herb with a height of 30cm and 100cm. Covered with white pubescence and glandular hairs. Aboveground stems erect, lower lignified, branchlets angular, green. Leaves alternate, odd status compound leaves. Leaflets 3-8 pairs, ovoid or ovate-elliptic, entire, apical leaflet larger. Raceme, axillary, pedicel very short, with an ovate bracteole below base, calyx bell-shaped, green, Corolla butterfly, purple or blue purple flowers. The fruit is a pod, narrowly rectangular, bent into
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