Cultivation method of Chinese violet
A cultivation method, the technology of Zitong, which is applied in the direction of botany equipment and method, application, plant gene improvement, etc., can solve the problems of slow growth speed and single species of catalpa, and achieve fast growth speed, beautiful and elegant shape, and technical difficulty less demanding effect
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Embodiment 1
[0029] The species identification of embodiment 1 Zitong
[0030] Zitong is a new plant variety introduced by the applicant Chi Guijie through the China Academy of Inspection and Quarantine in 2009. The origin is Florida, USA, and the supplier is Park Seed.
[0031] The morphological characteristics of Zitong are as follows:
[0032] Deciduous tree, up to 15 meters high, crown umbrella-shaped, trunk straight, bark taupe, longitudinally fissured; young branches often purplish, sparsely pilose. Large opposite or nearly opposite leaves, sometimes in whorls; leaves broadly ovate, nearly equal in length and width, petiole and veins are purple, leaves often have 3 to 5 small lobes at the upper end, and 3 to 6 vein axils at the base of the back of the leaf Purple macules. Apex acuminate, entire or shallowly wavy, often 3-lobed, both surfaces rough, slightly pilose or nearly glabrous, base palmately veined. Terminal panicle with many flowers, peduncle slightly sparsely hairy, corol...
Embodiment 2
[0095] The cultivation of Zitong in embodiment 2
[0096] Planting of Catalpa ovata: from late June to mid-July, at the beginning of summer, the temperature is 28°C-32°C, and the humidity is 85%. The row spacing is 0.5m, the plant spacing is 7cm-10cm, 13,000-15,000 plants per mu, and 40,000 plants can be planted per mu under dense planting, with base fertilizer, timely watering, weeding and loosening of soil. The local catalpa is interplanted with the western purple tung tree.
[0097] Three-year-old Zitong was selected as the male parent and Catalpa ovata G.Don. as the female parent for cross breeding. During the flowering period from May to June, fine weather is selected, and artificial pollination is carried out between 6 and 8 o'clock in the morning and the temperature is between 20°C and 25°C. The method is to put on cotton gloves, dip the pollen of the male parent and then dip it on the pistil of the female parent. The operation is performed once a day and repeated for...
Embodiment 3
[0106] Embodiment 3 Growth rate comparison
[0107] The three experimental planting areas (catalys, zitong, zitong) were selected in the Prosperity Breeding Farm of Qiqihar Agricultural Reclamation Bureau, Heilongjiang Province, and were sown from late June to mid-July, 2012. The sowing temperature was 28-32°C and the humidity was 85%. , the row spacing is 0.5m, the plant spacing is 7cm-10cm, the base fertilizer is applied, and the soil is watered and weeded at the right time.
[0108] In July 2015, the planting growth situation was inspected on the spot, and the diameter at breast height of each plant was measured, and the leaf development status was observed to determine whether the whole plant was dead or not, and the degree of dead branches was dead, and the growth status was evaluated.
[0109] Table 6 Frost damage grade and judgment standard of catalpa
[0110] Freezing damage level
Judgment criteria
Ⅰ
The dormant buds of the plant all germinate a...
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