Planting Technology Lists
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Yellow poplar silk borer
Diaphaniaperspectalis (Walker), also known as yellow poplar black edge borer moth, belongs to the family Lepidoptera. [distribution and harm]: distributed in Shaanxi, Hebei, Jiangsu, Zhejiang, Shandong, Shanghai, Hubei, Hunan, Guangdong, Fujian, Jiangxi, Sichuan, Guizhou, Xizang and other places. Harm to Populus tomentosa, Populus tomentosa and so on. Larvae often use silk to connect the surrounding leaves as temporary nests, where they feed, and when they are serious
2019-01-16 -
Control methods of wild borer, Chilo suppressalis
The larvae of Populus tomentosa, Populus tomentosa and holly were used as nests to damage host plants, and the damaged leaves showed yellow withered spots at the beginning, and then the whole leaves fell off. Silk spinning binds the leaves and the fallen leaves together, so that the leaves can not be extended, the growth and development is seriously affected, and the whole plant dies when the damage is serious. Shanghai has three to four generations a year, with serious overlap; in the vertical year, it is active in March, pupation begins in mid-April, Eclosion begins in late April, and the first generation in early May
2019-01-16 -
The root of Populus tomentosa is rotten and smelly and yellow.
Boxwood planted in May this year to the end of June this year root rot with a bad smell, until the whole plant withered, please advise what is the cause and solutions! Thank you for waiting. The planting environment has more rain recently in a place where there is not much sunshine. reply content: Rain Water should be too much water in the roots, the roots can not breathe, rot and die; at the same time, due to root decay caused by the root nutrition supply, resulting in the top branches withered. The key to summer planting is watering, plenty of water and water.
2019-01-16 -
Cone shape of Populus tomentosa
The following is a guide to how to trim a potted boxwood into a cone about 50 centimeters high. Plants grown in the open field in the garden can also be pruned in the same way, regardless of height. Do not remove the top branch unless the plant is more than 5 cm higher than the required height. The required material is an unpruned potted Jinshu Populus tomentosa with symmetrical growth and obvious tip advantage. Sharp trim scissors. Pruning method 1. In early summer, potted boxwood is placed on the horizontal ground. 2. Standing on potted boxwood
2019-01-16 -
Cultivation and Management of Populus tomentosa
Propagation method: sowing and cutting propagation. Seeds usually mature in October. The seeds of Populus tomentosa have the characteristics of germination every other year after vernalization, so the seeds are collected and buried in wetter sand, and then sowed in sandy soil in the following spring. The seeds are dry after harvest, the seeds are protruded after the fruit shell is cracked, and the seeds are removed from dry storage, sown in winter or spring. The covering soil should not be too thick after sowing, and it should be suppressed properly after sowing, so that the seeds can combine closely with the soil, which is beneficial for the seeds to absorb water and promote the growth.
2019-01-16 -
Characteristics and cultivation techniques of Populus tomentosa
"Huang Yang" alias: Holly spear, Zhenggi. Scientific name: BuxusmicrophyllaSieb.etZucc family: Populus tomentosa. Tree species characteristics: Populus tomentosa, also known as melon seeds, thousand-year-old dwarf, evergreen shrubs or small trees of the family Populus. The trunk is gray and smooth, with dense branches and four-angled branches. Leaves opposite, leathery, entire, elliptic or Obovate, apex rounded or retuse, surface bright green, abaxially yellowish green. Flowers clustered in leaf axils or branch ends, blooming from April to May, flowers yellowish green. Cucurbit fruit
2019-01-16 -
The spherical shape of Populus tomentosa
The following is to guide farmers on how to trim a potted boxwood into a ball about 30 centimeters high, and the poplar planted on the ground can also be trimmed in the same way. The required material is an unpruned potted Jinshu yellow poplar with a height and perimeter of about 45 cm and a dense and symmetrical growth. Sharp trim scissors. Pruning method 1. In early summer, put potted boxwood in a place with plenty of light. 2. Observe carefully and estimate how many times you have to trim before you can get a tree about 30% high.
2019-01-16 -
A new cotton variety-Nongdamian 6 F1
Nongda Mian 6 F1 was selected by Hebei Agricultural University and was bred in 2000. Main characteristics: plant tower type, Qingxiu. The plant height is about 82 cm, which is a medium-mature variety, and the growth period is about 129 days. The number of fruit branches per plant is about 12.4, the node position of the first fruit branch is about 6.3, the boll per plant is about 14.5, the boll weight is about 6.1 grams, the seed index is about 10.8 grams, the lint percentage is about 40.2%, and the pre-frost flowering rate is about 93.9%. Disease resistance: identification of disease resistance in the Institute of Plant Protection, Hebei Academy of Agricultural and Forestry Sciences
2019-01-16 -
A New Cotton Variety-Nongda 94-7
Characteristics: the strain has short growth period, fast boll rising, no frost after flower, plant tower type; plant height 80-90 cm, leaf size moderate, leaf color dark green, good ventilation and light permeability, less bud and boll shedding, less crazy branches, strong boll grafting per plant, up to 160. Superfluous buds are easy to form buds and bolls, which can be pruned or unpruned, with a boll weight of 5.6-6.1 grams, smooth and concentrated boll spitting, easy to pick, white cotton, high lint percentage and 41% lint percentage. Key points of cultivation: application of sufficient base fertilizer, heavy application of flower and boll fertilizer and potash fertilizer, supplementary application of top fertilizer, chemical control
2019-01-16 -
A New Cotton Variety-Nannongzao
Crop species: cotton variety name: Nannong early characteristics: plant tower type, the main stem is straight and fluffy, the sunny side is brown, the leaves are engraved obviously, the fruit branches are slightly raised, the bolls are oval and pointed, the single boll weight is 5.2 grams, lint percentage is 43.3%, lint index is 7.3 grams, and seed index is 9.5 grams. The mid-early maturing variety has a growth period of about 136days, resistant to Fusarium wilt, resistant to Verticillium wilt, fiber quality: 2.5% span length 29.7mm, specific strength 19.6cN/tex, micronaire value 4.4. Yield performance: 1999-
2019-01-16