Amphisarca Lists
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How to prevent early flowering of mango
1. Mango leaf-cut weevil is widely distributed, adults feed on mango tender leaves, causing the leaves to dry up, or females lay eggs on the tender leaves and bite off the tender leaves from the base, affecting plant growth. Control methods: during the growth of tender shoots, ① picked up the fallen leaves of the injured plants every 3 days, dried them in the sun and burned them, killing larvae.
2018-09-12 -
Prevention and control of hollow watermelon in spring
Symptoms: gaps or voids appear in the pulp of watermelon fruit. Etiology: it is easy to occur in the case of low-node fruit setting, crazy seedlings caused by excessive nitrogen nutrition, or poor fruit setting and increased leaf area. The main reason is the excessive accumulation of nutrients in the plant. The hollow fruit usually has longitudinal grooves on the fruit surface, the pericarp is thick and the fruit is not well shaped.
2018-09-12 -
Causes and control measures of watermelon and stiff melon in spring
1. Excessively growing melon vines: the production of nutrient stems and leaves consume a lot of growth, which can not meet the needs of fruit expansion, but show a state of crazy growth. Strong seedlings should be cultivated to lay a good foundation for normal fruit development. Before and after fruit setting, according to the size of new leaves, the thickness of vines, the length of internodes, and from the top of the vine to already opened.
2018-09-12 -
Control of watermelon and stiff melon in spring
The causes of stiff melons are as follows: 1. Dry soil, lack of fertilizer and water: if the fruit expansion period, if the lack of fertilizer and water, it is easy to form stiff fruit. Therefore, the melon land should be irrigated, and the amount of water should not be irrigated from less to more than the border surface. The retention time of water in the field should not be too long. It should be irrigated in the evening or at night to avoid high temperature root burning.
2018-09-12 -
Solving measures for abnormal seedlings of watermelon and muskmelon in spring
The main results are as follows: 1. The uneven emergence of seedlings is mainly caused by the uneven ground temperature and humidity of the seedling bed. When laying a ground hot line, the wiring spacing at the front of the greenhouse is 3 cm 4 cm, and the distance along the back of the greenhouse is 7 cm 8 cm, so as to make the bed temperature uniform; when large and small seedlings appear, move the big seedlings to the lower temperature at the front of the greenhouse to make the young.
2018-09-12 -
High-yield cultivation techniques of watermelon in spring
1. Select improved varieties with disease resistance, high yield and high quality: Zhongda fruit watermelon can choose Xinong 8, Japanese Jubao King, Qingbao King, Heiguan, Gannong 8, small watermelon can choose Heimiren small watermelon, seedless watermelon Heimi No. 1 and No. 2. 2, choose a good planting site: it is appropriate to choose a certain slope, convenient drainage and irrigation.
2018-09-12 -
High-yield cultivation techniques of watermelon in spring
1. Select improved varieties with disease resistance, high yield and high quality: Zhongda fruit watermelon can choose Xinong 8, Japanese Jubao King, Qingbao King, Heiguan, Gannong 8, small watermelon can choose Heimiren small watermelon, seedless watermelon Heimi No. 1 and No. 2. 2, choose a good planting site: it is appropriate to choose a certain slope, convenient drainage and irrigation.
2018-09-12 -
How to prevent and cure spring watermelon
In recent years, watermelon in protected areas in Jiangsu Province has developed rapidly. due to the more overcast and rainy weather during the growth period, it provides favorable conditions for the occurrence of watermelon vine blight, and the incidence is aggravated year by year. Watermelon vine blight mainly harms stems and vines, as well as leaves and fruits. Melon vine damage, mostly in the near ground stem node disease, the first dark green.
2018-09-12 -
Key points of watermelon planting in spring
The main results are as follows: 1. Select the land with high terrain and good drainage as the seedbed, and add 200 grams of Bacillus cereus to the nutritious soil to disinfect the soil. 2. Prevent uneven emergence when the emergence is uneven or there is no sign of emergence, the seeds in the seedbed should be inspected. If the radicle tip of the seeds is yellow and rotten, say.
2018-09-12 -
Symptoms and control of fleshy watermelon in spring
Symptoms: watermelon fruit exposed to the hot sun, the fruit surface temperature is very high, fruit tissue burns and necrosis, forming a dry scar. Etiology: sun fever is related to varieties, dark skin varieties are easy to occur, followed by barren soil in hilly areas, poor plant vegetative growth, few rattan leaves and fruit exposure.
2018-09-12 -
Prevention and control of sunburn watermelon in spring
Symptoms: watermelon fruit exposed to the hot sun, the fruit surface temperature is very high, fruit tissue burns and necrosis, forming a dry scar. Etiology: sun fever is related to varieties, dark skin varieties are easy to occur, followed by barren soil in hilly areas, poor plant vegetative growth, few rattan leaves and fruit exposure.
2018-09-12 -
Skillful Prevention and Control of split Watermelon in Spring
Watermelon fruit cracking can be divided into field fruit cracking and harvest fruit cracking. The cracking of fruit in the field is caused by the sudden change of soil conditions. If in the fruit development certain stage soil moisture is little, the fruit development is blocked, suddenly meets the rain or pours the flood, the soil moisture increases sharply, causes the fruit to expand rapidly and crack the fruit.
2018-09-12 -
Prevention and Control of split Watermelon in Spring
Watermelon fruit cracking can be divided into field fruit cracking and harvest fruit cracking. The cracking of fruit in the field is caused by the sudden change of soil conditions. If in the fruit development certain stage soil moisture is little, the fruit development is blocked, suddenly meets the rain or pours the flood, the soil moisture increases sharply, causes the fruit to expand rapidly and crack the fruit.
2018-09-12 -
Harvesting and fresh-keeping Technology of navel Orange
It is the harvest season for navel oranges. If the fruit growers only pay attention to the early management of the orchard and ignore the technology of fruit treatment, fresh-keeping and storage after fruit harvest, it will lead to fruit deterioration, decay, high yield and poor harvest. Pay attention to the postharvest navel orange fruit, which is usually colored on 80% of the fruit surface, and the fruit remains unchanged.
2018-09-12 -
Pruning methods of large and small year trees of navel orange
First, ring cutting to promote flowers in the middle of September of the following year, cut the upright branches with a ring cutter with a blade spacing of 0.3 cm. After ring cutting, daub Huawang No. 2 (southern product), which can control and promote flower slightly, protect flower and fruit. Second, pruning before flowering should be trimmed lightly or not in winter, with emphasis on pre-flowering. High.
2018-09-12 -
Key points and points for attention in cultivation techniques of Red Meat navel Orange
Red meat navel orange, also known as Caracara navel orange. 1. Adaptability and suitable planting area: good heat condition, navel orange suitable planting area with large temperature difference between day and night from the end of October to November before fruit ripening, and suitable for planting after the end of December or short time in winter frost or frost. two。 Key points of cultivation techniques and attention.
2018-09-12 -
Cultivation techniques of Red Meat navel Orange
Compared with Newhall navel orange, Penna navel orange and other navel orange varieties grown in China, the yield, fruit appearance and internal quality, adaptability and resistance of red meat navel orange are similar to those of Newhall navel orange, Penna navel orange and other navel orange varieties grown in China today. but there are three different characteristics: first, the only navel orange variety in the world whose peel and flesh are red (the flesh is colored by tomato red).
2018-09-12 -
Summer pruning technique of navel orange
First, variety selection and garden construction. Through the comparative observation of 15 navel orange strains suitable for subtropical humid climate, it is found that Newhall, Linna, Frost, Fuben and Xin-79 have high and stable yield, good quality and high commodity performance, which is worth popularizing and developing. The selection of navel orange seedlings should be correct.
2018-09-12 -
Cultivation Techniques of Navel Orange Variety--Late Navel Orange
1. Adaptability and suitable cultivation area: wide adaptability, suitable for planting navel orange in China can be planted in the area, but after planting there is a phenomenon of low or unstable yield. 2. Cultivation technology points and precautions: (1) suitable rootstock seedlings, reasonable planting: in acid, neutral soil, available rootstock; but in alkaline, appropriate harvest...
2018-09-12 -
Fruit cracking of navel orange and its control
Climate: summer high temperature and drought damage pericarp tissue and cells; excessive rainfall after long drought, water absorption causes excessive swelling and pressure, damage pericarp; 2. Pericarp factors: pericarp tends to mature, peel thinning, pulp softening; sugar in fruit juice accumulates continuously, accelerates water absorption and increases swelling pressure; 3. Planting.
2018-09-12