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A Detailed Guide to Controlling the 3 Major Diseases of Carnations
Leaf spot, Fusarium wilt and viral diseases are the main diseases that occur on carnations. The control methods are as follows: Leaf spot mainly infects the leaves, and the disease usually starts on the lower leaves. On severely affected plants the diseased parts are distorted, and the diseased leaves wither, droop and hang down over the stem, but do not fall off. Old leaves are affected more often and more severely, while new leaves are affected less, and the disease occurs more in open-field cultivation than in greenhouses. Control methods: start spraying regularly from the early stage of the disease; spray a fungicide immediately after disbudding and cutting flowers for protection. A 75% chlorothalonil wettable powder solution diluted 800 to 1000 times can be used for spraying
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10 Key Measures to Increase Soybean Yield
1. Thinning: On the basis of full stands of soybeans, thin the seedlings when the two opposite simple leaves unfold, generally increasing yield by 10-20%. 2. Pressing seedlings: When the first compound leaf of some soybean seedlings unfolds, choose a sunny midday and use animal power or a machine-drawn wooden roller to press along the ridges, which can increase yield by 8.5-10%. 3. Pinching: At the early flowering or full flowering stage of soybeans, remove about 2 cm from the top of the main stem by hand, which can increase yield by 7.2%-10.8%. 4. Applying rare earth: Mix 2 kg of rare earth per 1 kg of soybean seed for seed dressing, or spray once each with rare earth solutions at concentrations of 0.03-0.04% and 0.08 during the soybean seedling stage and early flowering stage, which can increase yield by 15-20%.
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Nano magnetic energy liquid can be used to increase soybean yield and promote early maturity
This spring, due to large temperature fluctuations, the effect of pre-emergence closed weeding in soybeans was poor, fields were overgrown with weeds and seedlings were small, the area affected by herbicide damage was large, soybean growth was hindered, root development was poor, stunted seedlings in the field were severe, and the growth process was delayed by an average of 7-10 days. 1. Main manifestations 1. New leaves grow slowly, the lower leaves turn yellow and withered, the root system shows rusty roots and reddening, and at this stage root rot also occurred over a large area; 2. Field plots with normal growth accounted for only about 20% of the total area; 3. Individual plants had fewer branches, reduced by more than 20-30%.
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Three methods to increase soybean yield, simple and practical
Thinning: After soybean seedlings emerge, thinning early on the basis of a full stand is a proven yield-increasing measure. Its effect depends mainly on how early thinning is done; generally it should be carried out promptly when the two opposite unifoliate leaves have unfolded. Seedling pressing: When the first compound leaf of the soybean seedling has unfolded, choose a sunny noon and press the seedlings along the rows with a wooden roller drawn by animal power or machinery. When pressing, be careful to avoid cloudy days or sunny mornings, so as not to break the seedlings. Pinching: At the early flowering or full flowering stage of soybean, remove about 2 cm from the top of the main stem by hand.
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Ten Ways to Increase Soybean Yield, Teaching You to Easily Boost Production
1. Checking seedlings and reseeding When soil moisture is sufficient and time still allows, soak seeds of the original variety for 2-3 hours before reseeding; if soil moisture is sufficient but the farming season is already late, you can germinate seeds before reseeding or use early-maturing varieties for reseeding; if the reseeding time cannot be met, you can as early as possible on a cloudy day or a sunny afternoon take seedlings with no less than one compound leaf and transplant them with soil, watering immediately after planting to help them survive. 2. Pinching the growing tip and removing leaves For soybeans showing a tendency toward excessive vegetative growth or late maturation with prolonged greening, you can pinch off about 2 cm from the top of the main stem at the early flowering stage or full flowering stage. Or use a sharp iron strip about 33 cm long
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Detailed Explanation of Control Methods for Two Major Soybean Diseases
Soybean frogeye leaf spot, also known as spot disease, begins infecting pods from the young pod stage, with the seed-filling stage being the peak period of infection, and severe outbreaks occur in July to August when high temperatures and frequent rain occur. It mainly damages leaves; when severely affected, almost all leaves become covered with lesions, causing premature leaf drop, reducing soybean quality and cutting yields by 20%-30%. This year, the hot and rainy climate in many parts of our province is highly favorable for the disease to occur, and the author reminds soybean farmers that they must not neglect the control of soybean frogeye leaf spot. Chemical control: During the flowering and podding stage of soybean, use 50% carbendazim
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What is selenium, cobalt and zinc deficiency disease in deer?
Uneven geographical distribution of trace elements and substandard feeding management can both cause trace element deficiency diseases. Targeted and appropriate supplementation of the trace elements essential for deer is the most effective method for preventing and treating trace element deficiency diseases in deer. In the deer body, trace elements act as catalysts for various enzymes and as activity regulators of proteins, fats, polysaccharides, nucleic acids, vitamins, hormones and so on. Trace elements cannot be synthesized in the deer body and must be obtained from feed, while their excretion is continuous; therefore, according to
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Key Technical Points for Disinfection and Disease Prevention During the Young Silkworm Stage
In young silkworm co-rearing, "disinfection and disease prevention" must be carried out throughout the whole process, earnestly grasping the technical keys of three links: pre-rearing disinfection, disinfection during the rearing period, and final disinfection: 1. Pre-rearing disinfection. Based on the principle of being comprehensive and thorough and seeking practical results, on the basis of comprehensive cleaning and washing, targeted chemicals are used for disinfection, while strengthening management after disinfection. It should be noted that: 1. The water used for washing must be of good quality; it is strictly forbidden to wash silkworm tools in stagnant ditches, ponds, or by riversides; 2. Garbage and other waste from cleaning and sweeping must be concentrated
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Key Technical Points for Sanitation Management and Disease Control in Intensive Rabbit Farms
An intensive rabbit farm is a large-scale rabbit product enterprise operated with factory-style management, featuring standardized management, high stocking density, rapid herd turnover, and high operational efficiency. Intensive production has many advantages: relatively enclosed production buildings, frequent breeding in all four seasons, efficient cyclical use of equipment, and balanced batch marketing of products. The disadvantages are: frequent high-speed operation puts pressure on disease prevention, making a high incidence of disease extremely likely. Disease control in intensive rabbit farms differs from traditional rabbit farming; any disease that may cause a decline in operating profit
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Symptoms and Control Methods of Brown Spot Disease in the Medicinal Plant Licorice
Licorice, scientific name Glycyrrhiza uralensis Fisch., also known as meicao and micao, is a perennial herbaceous plant in the Fabaceae family. Its roots and rhizomes are used as medicine. It has the effects of harmonizing the middle and relieving urgency, moistening the lungs and detoxifying, and harmonizing various medicines. It is produced in Inner Mongolia, Gansu, Shanxi, Shaanxi, Liaoning, Jilin, Heilongjiang, Hebei and other provinces. The symptoms mainly damage the leaves. The lesions on the leaves are round or irregular, 1-3 mm in size, with a grayish-brown center and brown edges, and grayish-black mold-like substances, namely the pathogen's conidia, grow on both sides.
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