Amphisarca Lists
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What problems should be paid attention to in the cultivation of walnut trees?
What problems should be paid attention to in the cultivation of walnut trees? In the cultivation of walnut trees, we should pay attention to the following problems: walnuts are widely distributed in China, ranging from southern Liaoning in the north to northern Fujian in the south, Shandong and Zhejiang in the east, Qinghai, * and Sichuan in the west. The elevation can be normal in the case of 500m-2500m.
2018-07-19 -
What are the fruit diseases of walnut trees in the late stage?
What are the fruit diseases of walnut trees in the late stage? Please introduce the following diseases in the late fruit of walnut trees: First, symptoms of walnut anthracnose disease: After the fruit is damaged, brown to black brown round or nearly round spots appear on the peel, with small black spots in the center, sometimes concentric ring patterns. When the air humidity is high, the disease spots...
2018-07-19 -
How to harvest and deal with walnuts?
How to harvest and deal with walnuts? Please guide the harvest and treatment of walnut can refer to the following methods: in order to ensure the yield and quality of walnut, it should be harvested when the nut is fully ripe, but it should not be too late, otherwise the green skin will be cracked and hung on the tree for too long. It will increase the chance of mold infection, resulting in.
2018-07-19 -
How to harvest walnuts and how to handle them?
How to harvest walnuts and how to handle them? Please introduce the method that the suitable harvest time for walnuts is when the intima changes from white to brown, which marks the maturity of walnut kernels. In production, the exocarp often changes from green to yellowish, some cracks, and individual fruits are harvested when they fall off. The main way for people to harvest walnuts is to beat them with poles.
2018-07-19 -
When will the walnuts be harvested?
When will the walnuts be harvested? Please introduce that the yield of walnut mainly depends on the volume of walnut and the weight of single fruit. When the walnut reaches the near ripening stage, the size of the fruit is basically fixed. There was no significant difference in vertical diameter, horizontal diameter and edge diameter of walnut in different harvest periods. However, the early harvest of the core.
2018-07-19 -
How to manage walnut trees in June?
How to manage walnut trees in June? Please introduce the management method for the growth of walnut trees in June, but it is also the main period for the occurrence and damage of diseases and insect pests. Therefore, a good management in June is the key to promote the healthy growth and increase the yield of walnut trees in that year. There are four specific points of management: the management of grafted trees.
2018-07-19 -
How to control mango weevil disease?
How to control mango weevil disease? Mango weevil disease can be controlled by referring to the following methods: 1. Mango leaf-cutting weevil is widely distributed, adults feed on mango tender leaves, resulting in dry leaves; or female insects lay eggs on tender leaves and bite off tender leaves from the base, affecting plant growth. Prevention methods: 1 in...
2018-07-19 -
What is mango soot disease?
What is mango soot disease? Please introduce mango soot disease as a fungal disease. At present, six kinds of pathogens causing mango soot disease have been found in China. In order to harm leaves, shoots and fruits, affect leaf photosynthesis and fruit appearance. Prevention and control methods: first, reasonable close planting, pruning, keep the crown ventilated and transparent.
2018-07-19 -
How to prevent and cure mango stem rot?
How to prevent and cure mango stem rot? Please introduce mango stem rot as a fungal disease. Damage to the fruit during storage, causing the fruit to rot; it is called gum disease on the branches. Picking fruit after rain or damp without leaving fruit stalk is beneficial to the occurrence of the disease. Prevention and cure method: ① winter clear garden, usually add lime.
2018-07-19 -
Why should pomegranate trees be pruned in summer?
Why should pomegranate trees be pruned in summer? Please introduce that summer pruning of pomegranate trees is the perfection, continuation and supplement of winter pruning. Through summer pruning, the tree structure after winter pruning can be adjusted to the best state, the effective leaf area can be increased to the maximum, more photosynthate can be formed and better results can be established.
2018-07-19 -
How to manage pomegranate trees in summer?
How to manage pomegranate trees in summer? Please give an introduction to the pomegranate tree summer management mainly has the following three major points: fertilization for immature pomegranate trees, you can apply fertilizer once after 2 / 3 of the blossom and about 1 month before fruit ripening; for the rich trees that have grown, in addition to the above two fertilizers, in the early stage of budding and budding.
2018-07-19 -
How to trim pomegranate trees in summer?
How to trim pomegranate trees in summer? Please introduce that the pruning of pomegranate trees in summer can be based on the growth characteristics of pomegranate branches. In order to maintain the absolute superiority of the growth of main branches, young trees should timely pick up, pick out and erase the over-flourishing shoots on the main branches. Fruit period tree pruning should wipe out too many sprouts in time.
2018-07-19 -
Why does pomegranate crack fruit?
Why does pomegranate crack fruit? Please give the introduction and the reasons for the prevention and control of pomegranate fruit cracking: 1. Variety: pomegranate varieties under different cultivation conditions have fruit cracking phenomenon. The general maturity period is in the rainy season, the fruit is large, the pericarp is thin and smooth, the pericarp is red and white, and other varieties are easy to crack fruit. Such as Yicheng red pomegranate.
2018-07-19 -
How to manage the near ripening period of pomegranate fruit?
How to manage the near ripening period of pomegranate fruit? Please give guidance on the general pomegranate maturing one after another in September, and the management of the harvest period is very important. There are mainly the following aspects: first, after September, there is another peak of pomegranate fruit growth, and its growth rate is very fast compared with before. In the use of.
2018-07-19 -
Which method is often used to control pests in pomegranate trees?
Which method is often used to control pests in pomegranate trees? Please introduce that pomegranate pests are mainly aphids, peach borer, red spiders and heart-eating insects. You can refer to the following methods for pest control: 1. Insecticide control: according to the insect situation in the field, when the larvae and eggs of peach borer and heart-eating insects appear, spray 30% peach Xiaoling EC 20 in time.
2018-07-19 -
How to manage pomegranate trees after picking fruit?
How to manage pomegranate trees after picking fruit? Please introduce the management method in the first and middle of September, when the pomegranate matures and enters the harvest stage one after another, the management after fruit harvest must be done in time in order to speed up the recovery of tree potential, promote strong fruiting mother branches, and lay a good foundation for high and stable yield next year. Remove weeds and dead branches from the garden.
2018-07-19 -
How to prevent pomegranate cracking?
How to prevent pomegranate cracking? Please introduce the method of pomegranate cracking, which is not only easily contaminated by diseases, insect pests and drugs, but also affects the commercial value of pomegranate. Prevention and control of pomegranate cracking can refer to the following three measures: ① timely watering and management of pomegranate should grasp the principle of "two irrigating and two irrigating". Two irrigates namely: winter or.
2018-07-19 -
How to manage walnut trees in summer?
How to manage walnut trees in summer? Please introduce the method of summer walnut shoot growth is the fastest, physiological activity is the strongest, is the highest survival rate of budding, the most critical period. Yellow diamondback moth, raised-limb moth (walnut black), walnut yellow gully elephant, cloud spot longicorn beetle, diamondback moth, walnut tumor moth and other pests began to Eclosion and lay eggs. Rot.
2018-07-19 -
How to manage oranges in July?
How to manage oranges in July? Please introduce that citrus in July can be managed with reference to the following methods: (1) Fertilizer and water management is easy to meet high temperature and summer drought in July, and the chance of rainstorm is also significantly increased. Therefore, all localities should pay special attention to the weather forecast of local meteorological stations and use straw in tree plates in case of drought.
2018-07-19 -
How to manage oranges in June?
How to manage oranges in June? Please introduce the citrus in June can refer to the following methods for management: (1) continue to protect the fruit in the second physiological drop period (also known as June drop), which begins in mid-late May. The difference between the second physiological drop period and the first physiological drop period is that there is no pedicel. The size of the fruit in the crown is not obvious.
2018-07-19