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How to prevent and control diseases of yardlong beans? A detailed guide to practical methods
I. Main symptoms The yardlong bean can be infected by pathogens throughout its entire growing season, but its resistance weakens and susceptibility increases from the beginning of flowering to the fruiting period. The disease mainly attacks the leaves; in the early stage of the disease, chlorotic yellow-white spots appear on the leaves, and the spots gradually increase until they densely cover the entire leaf. The plant is short and stunted, with few and small pods, and its growth...
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What are the control methods for the bean pod borer?
The bean pod borer, also called the cowpea pod borer, is one of the main pests of beans. The adult cowpea pod borer is dispersed and hidden, flies over a wide range to lay eggs, and lays many eggs, so it is not easy to kill or trap by spraying. Adults lay eggs on the tender leaves of the plant, and after about 5--7 days they hatch and bore into the pods to feed on the beans. Larvae over 3rd instar bore into the pods, and spraying...
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For long beans to set more pods, regulating the plant and nurturing the leaves and supplementing fertilizer and water are key
The market for long beans is good this year, and the price is still holding at more than 2 yuan per jin. Many vegetable growers can only look on enviously, because many long beans struggle to set pods, and even those that do set are only inferior pods that are basically worthless. However, recently in Dongxia Town, Qingzhou City, the author saw that the long beans grown by Zhang Huaqing were uniform in length...
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Sowing Methods and Key Cultivation Techniques for Oil Beans (Phaseolus vulgaris)
Select early-maturing, mid-maturing and late-maturing varieties with excellent seed quality and high yield. The main varieties include Purple Flower Oil Bean, Diyoudou Wang, Large Horse Hoof Oil Bean, Peanut Oil Bean, August Green, Early-Maturing Ground Oil Bean, Late Oil Bean, etc. 1. Sowing methods (1) Seedling raising: For early spring greenhouse cultivation, nutrient pot seedling raising in a greenhouse should be adopted, with seedling raising...
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Pothos loves beans the most; feed it a bite and the leaves grow like crazy and fill the pot
Home Gardening Encyclopedia - Teacher Xiao Ye teaches you all kinds of gardening knowledge! Pothos is economical and eye-catching, and many friends love to keep a pot at home. Pothos care is also very simple; you just need to understand its preferences, and it will easily fill the pot with glossy green leaves. Xiao Ye...
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Greenhouse Bean Disease Prevention and Control Methods and Key Technical Points
I. Symptoms of bean rust: It mainly affects the leaves, and in severe cases also affects the petioles and pods. In the early stage of the disease, small pale yellow spots appear on the underside of the leaves, later turning rusty brown, raised and forming small pustule-like blisters, then expanding into uredinia, and after the epidermis ruptures, reddish-brown powder is released. This is the urediniospore. II. Bean powdery mildew...
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How to cultivate green beans in a greenhouse? Detailed explanation of the key technical points
It mainly harms the leaves, and in severe cases also harms the petioles and pods. In the early stage of the disease, small pale yellow spots appear on the back of the leaves, later turning rusty brown, raised in the form of small pustules, and then expanding into uredinia; after the epidermis ruptures, reddish-brown powder is released. These are the urediniospores.
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Key Points of Plastic Film Mulching Cultivation Techniques for Spring Asparagus Beans
(1) Variety selection: At present, the widely cultivated asparagus bean variety is Zhijiang 28-2, which can be used for spring plastic film mulching cultivation. (2) Sowing time: The suitable lower limit temperature for sowing asparagus beans is 14°C, and sowing should be done when the temperature steadily passes 4°C around the time of the last frost. The sowing method for asparagus beans can be the same as that for common beans (kidney beans)...
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Plastic Greenhouse Cultivation Techniques for Early Spring Beans
Symptoms of bean blight: It mainly affects stems, leaves and pods. When the stem is infected, it initially appears water-soaked, then becomes wet-rotted and constricted around the stem, and the leaves and vines above the diseased part wither and die. When humidity is high, the cortex rots and white mold appears on the surface. When leaves are infected, the diseased part initially shows dark green water-soaked spots, which then expand into round light brown spots with white mold on the surface...
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How to Prevent Flower Drop in Oil Beans? Detailed Practical Control Methods
In snap beans, flower drop occurs under adverse conditions such as high temperatures above 30°C or windy weather, soil that is too dry or too wet, insufficient nutrients, and weak light, so field management should be strengthened to prevent flower and pod drop. Trials have shown that applying biological potassium fertilizer can reduce the occurrence of flower and pod drop.
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