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How to prevent and control green mold in oyster mushrooms? A detailed guide to integrated control techniques
1. The tall-stemmed mushroom has a small cap and poor differentiation, with a relatively long stem. The cause is that during the primordium formation and differentiation stage, the mushroom house is short of oxygen and light, while the temperature is on the high side, which affects the normal differentiation and development of the cap. Control method: increase ventilation and adjust light and temperature. 2. The tumor-capped mushroom's cap appearance is mainly at the edge...
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What is cotton Fusarium wilt? A detailed guide in one article
What is cotton Fusarium wilt? What forms does it take? Cotton Fusarium wilt mainly has the following types: (1) Yellow net-vein type. The leaf veins first lose their green color and turn yellow, while the leaf mesophyll remains green, forming a yellow net pattern. (2) Yellowing type. The leaf veins remain green while the mesophyll turns yellow, or both the veins and mesophyll turn yellow. The chlorotic leaves develop from...
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How to prevent and control verticillium wilt in chrysanthemums? A detailed guide to practical methods
I. Symptoms of damage: Verticillium wilt of chrysanthemum occurs commonly; infected plants have yellow, weak leaves, and the yellowing is initially limited to a few lower leaves, then gradually increases, and old leaves turn brown and die. Flowers are small or fail to bloom. II. Morphological characteristics of the pathogen: The pathogen is Verticillium dahliae Kleb., a fungus of the class Deuteromycetes. Mycelium...
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How to sow ginger for the best results? A detailed guide to sowing methods
How to sow ginger for the best results? Here are some suggestions. Ginger can be sown using the following methods: Breaking up the seed ginger. Before seed ginger is planted in the ground, the seed ginger is generally broken up, splitting large pieces of seed ginger apart. When breaking up the seed ginger, generally only 1-2 short, sturdy buds are kept on each piece, and all other young buds are removed. If, when breaking up the seed ginger, the base of a bud is found to be blackened or the cut surface has turned brown...
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What Is Longan Witches' Broom Disease? A Complete Guide to This Disease
What is longan witches' broom disease? A detailed introduction to longan witches' broom disease: ◎Disease Introduction◎ Also known as witches' broom disease. Also called bald twig disease, broom disease, huya, leprosy disease, tiger ear and mute disease, etc. It is distributed in Fujian, Guangdong, Guangxi, Zhejiang and Taiwan, China and other provinces (autonomous regions). This disease causes serious damage in Fujian. In Guangdong, Guang...
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What to Do About Wampee Fruit Drop and Fruit Cracking? A Detailed Guide to Prevention and Control Methods
What to do about wampee fruit drop and fruit cracking? Please advise: during the fruiting period of wampee, the main tasks are to protect the fruit, prevent fruit drop and fruit cracking, and promote fruit enlargement. Because there is a lot of rain and highly changeable weather from March to June, conditions are very unfavorable for wampee fruit growth, and orchards lacking management will show fruit cracking and fruit drop. The main methods to prevent fruit drop and fruit cracking are...
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How to Grow Potted Dwarf Pomegranate? A Complete Guide to Cultivation Key Points
1.1 Cutting period. The local area is in the Yangtze River Basin, and rose cultivation is mostly carried out in spring and autumn. In spring, it starts in late April and ends at the end of May. In autumn, it starts in late August and ends at the end of October. Cuttings taken in autumn cannot be repotted in the same year, as the young roots are not well developed and their cold resistance is poor, so winter freeze protection must be done well. 1.2 Potting soil...
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How to Grow Chicken-Heart Wampee? A Complete Guide to Practical Methods
How to grow chicken-heart wampee? For guidance on growing chicken-heart wampee, you can refer to the following methods: 1. Main cultivated varieties. At present, the main cultivated varieties are chicken-heart wampee, selected large chicken-heart wampee, and others. 2. Environmental requirements of wampee. (1) Temperature: Areas with an annual average temperature above 20°C and an average January temperature above 12...
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What are the common diseases of roses? A detailed guide to prevention and control methods
Symptoms: In the early stage of the disease, small purple-brown spots appear on the leaves, which later expand into nearly circular dark brown spots, often with a radial yellow halo at the edges. In severe cases, the spots merge, and the leaves wither and drop, especially in summer and autumn, causing massive leaf loss, leaving the lower part of the plant as bare stems. After young shoots are infected, dark brown streaks appear, slightly sunken, causing the young...
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How to Identify and Control Black Spot on Roses? A Detailed Guide to Practical Methods
This disease occurs commonly and causes serious damage, resulting in heavy leaf drop in roses and enormous losses. The pathogen is a fungus of the genus Actinonema in the subphylum Deuteromycotina. 1. Symptom identification: At the initial stage of the disease, brown radial lesions appear on the leaf surface, which gradually expand into circular or nearly circular lesions with a diameter of 4-12 mm; in severe cases...
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