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How to Identify and Control Southern Rice Black-Streaked Dwarf Virus
Southern rice black-streaked dwarf virus is a rice viral disease occurring in southern rice-growing areas, with characteristics of strong explosiveness, rapid spread, great difficulty in prevention and control, and heavy damage losses. Rice and corn infected at the seedling stage will basically suffer total crop failure. In 2011, after comprehensive prevention and control, a total of about 8,500 mu of southern rice black-streaked dwarf virus occurred in Lianyuan City, of which the affected area of middle-season rice was 6,500 mu, the affected area of late rice was 1,600 mu, and the affected area of corn and other crops was 400 mu. A total of 25.93 tons of rice was lost, of which
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Detailed introduction to the new dwarf peach variety Zhong'ai 33
Zhong'ai 33 is an extremely dwarf early-ripening peach variety successfully bred by the Zhengzhou Fruit Research Institute of the Chinese Academy of Agricultural Sciences. According to cultivation observations at the high-tech agricultural park of Hebei Tiangong Industrial Company, a 3-year-old high-yielding tree at fruit harvest time had a tree height of 50 cm to 60 cm, a branch spread of 60 cm x 80 cm, and a trunk circumference of 9.7 cm. The tree is vigorous and the canopy is compact. Leaves are 3.8 cm x 20.4 cm, dark green. Internodes are extremely short, new shoots are thick and strong, flower bud formation is easy, pollen quantity is large, fruit set rate is high, and yields are high. Under open-field conditions, the fruit ripens in mid-to-late June.
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Dwarf Red Pear
Dwarf Red Pear is a new variety derived from a bud sport of Nanguo Pear. The fruit is fully covered in bright red; the fruit dots are small and fine, the skin is smooth, the flesh is delicate and white, the taste is sweet, and the aroma is even richer than that of Nanguo Pear; the Dwarf Red Pear has a small annual growth increment of branches, with the characteristic of branch tip termination, solid tissues, and is extremely easy to form flower buds. It generally bears fruit 3 years after planting, and enters the full production period in 4 to 5 years. It is an excellent red-skinned pear variety with great development prospects.
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How to dwarf a hydrangea? Let me teach you a simple method
Hydrangea, also known as bigleaf hydrangea or pink ball flower, is an evergreen small shrub in subtropical and tropical regions. It prefers semi-shaded and humid environments. During the flowering period, the flowers bloom profusely, and their color changes with the pH of the soil: when the soil is alkaline, the flowers are pale red; when the soil is acidic, the flowers are blue, making them extremely attractive. The normal flowering period of potted hydrangea is from May to August. If no treatment is carried out and it is allowed to sprout and grow freely, its plant height can reach 50-70 cm, it is prone to lodging in the pot, and the flowers are relatively small, which affects its ornamental value. How to make potted hydrangea
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Detailed Explanation of the Cultivation Methods and Key Techniques for the Dwarf Peach
The dwarf peach (Prunus persica var. densa Makino) is a deciduous small tree in the rose family (Rosaceae), genus Prunus, and a variety of the common peach. The plant is dwarf, with short internodes and dense flower buds. It begins its full blooming period in April, which lasts about half a month. The fruit ripens in September. The dwarf peach likes sunlight and well-drained soil, is drought-tolerant and relatively cold-tolerant, and overwinters at above 1°C. The dwarf peach is naturally vigorous, and it is enough to pay attention to two steps: fertilizing and thinning flowers. Generally, base fertilizer is applied in winter after the leaves fall. Before the flowers and leaves sprout in spring, a comprehensive liquid fertilizer mainly of phosphorus and potassium is applied; after the flowers fade, a phosphorus-potassium fertilizer is applied once, and thereafter a relatively dilute phosphorus-potassium fertilizer solution is applied about once every half a month. Fertilizing is stopped in summer, and after September a comprehensive fertilizer solution is applied twice. After the flowers open, besides keeping some flowers with good growth and good positions, thinning out the useless flowers is the key to the dwarf peach bearing fine fruit.
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Introduction to the Characteristics and Traits of the Dwarf Indica Rice Variety Aixianzhan
A new conventional rice variety, Aixianzhan, developed by crossing Yueyezhan 21/Yuanxianzhan and suitable for both early and late seasons with high quality and high yield, has been identified by the Food Quality Supervision and Testing Center of the Ministry of Agriculture (Wuhan) through physicochemical analysis as a national standard premium grade 1 rice, breaking the zero record for new rice varieties of national standard premium grade 1 in our province. It is reported that this variety is a temperature-sensitive indica rice, medium-maturing in the early season and early-maturing in the late season. In the 2002 late season, it participated in the provincial regional trial, with an average yield of 383.29 kg per mu, an increase of
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Mott dwarf elephant grass is suitable as forage for fish farming
Mott dwarf elephant grass is a grass-family forage introduced from the United States a few years ago. This grass is perennial, with a plant height of 0.8-1.4 m, short and numerous nodes, a large amount of leaves per plant, and strong tillering and regrowth ability. It is relatively cold-tolerant; in winter the aboveground part turns yellow and withers, while the underground part survives. It sprouts in spring and begins to grow when the temperature is around 12°C. It prefers to grow in places with deep, fertile and moist soil. This forage is high-yielding and highly nutritious. Under good water and fertilizer conditions, it can produce 15,000-20,000 kg of fresh grass per mu, and its leaf amount accounts for 8
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Detailed Explanation of Propagation Methods and Technical Points for Dwarf Lilyturf
Dwarf lilyturf is propagated by division. In April, when dwarf lilyturf is harvested, select vigorous clumps with many formed tuberous roots and no pests or diseases to keep as seed stock. Pick off the tuberous roots, trim away the fibrous roots, then use a knife to cut off the stem nodes at the lower part of the rhizome, leaving only 2-3 cm of stem nodes; it is best if the cut surface of the rhizome is white and the leaves do not splay apart. When cutting, the rhizome must not be left too long, otherwise after planting it will mostly form double stem nodes and produce few tuberous roots. To reduce water evaporation, cut off the tips of the leaves, leaving only about 6 cm. Separate the individual plants, remove
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Detailed Explanation of the New Cotton "Simple, Dwarf, Dense" Cultivation Technique
The main content of the cotton "simple, dwarf, dense" cultivation technique is based on transgenic insect-resistant cotton, adopting such techniques as chemical weeding to reduce intertillage, simplified pruning supplemented by chemical regulation, wide-row dense planting, regulating fertilizer with water, and integrated pest and disease control, to achieve the cultivation goals of dwarfed dense planting and increased yield and efficiency. The yield target is 200-250 kg of seed cotton per mu, and the yield structure is: a density of 4000-6000 plants per mu, 55000-60000 bolls per mu, and a single boll weight of 4.0-4.5 grams. The growth process is: April 15-
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Planting Methods and Care Tips for Dwarf Lilyturf
Dwarf lilyturf (Ophiopogon japonicus) is a new and superior groundcover plant recently promoted for cultivation by Chinese landscaping departments. It is a perennial evergreen herb in the Liliaceae family, grown for its foliage in spring, autumn and winter, and enjoyed for its flowers in summer. Because the plant is short, it can also be grown in pots for ornamental display. Its tuberous roots are used in medicine and have the effects of moistening the lungs to stop coughing and benefiting the stomach to promote fluid production. Dwarf lilyturf grows in clumps with rhizomes, and spindle-shaped tuberous roots form at the ends of its fibrous roots. The leaves are linear, 10 to 15 cm long; the flower stalks emerge from the leaf clusters, and the raceme is loose and spike-like, with bisexual flowers and 6 tepals. The flowers are pale
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