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What to do when a clivia flower scape is trapped? Solutions for a flower scape stuck in the middle and unable to grow out
What to do when a clivia flower is stuck in the middle and cannot grow out
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What are the excellent varieties of tetraploid black locust?
Tetraploid black locust was bred by the Forest Tree Breeding Research Institute of the Korea Forest Service and introduced to China in 1997. There are two types, the forage type and the timber type, with five excellent clones in total. Through regional cultivation trials by experts from our university, two excellent clones suitable for the arid and semi-arid regions of Northwest China were selected for two purposes: establishing high-quality forage forests and fast-growing, high-yield timber forests. While retaining the original advantages of black locust as a pioneer afforestation species, such as drought tolerance, tolerance to barren soil and salt-alkali tolerance, these excellent clones also have the following outstanding characteristics: (1
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What kind of tree species is the tetraploid large-leaf black locust?
The tetraploid large-leaf black locust is a superior variety selected through years of dedicated research and experimental comparison from among several excellent polyploid black locust clones introduced from abroad. The tetraploid large-leaf black locust is an artificially induced tetraploid plant, characterized by fast growth, large leaves and high biomass. Its leaf width is more than 2 times that of the common black locust, and its compound leaf dry weight, single leaf dry weight and total leaf dry weight are 1.5 times or more those of the common black locust respectively. Compared with the common black locust, the tetraploid large-leaf black locust has a denser crown, thicker branches and a stronger photosynthetic capacity. Tetraploid
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Detailed Introduction to New Tetraploid Black Locust Varieties
The tetraploid black locust (Robinia pseudoacacia) originated in South Korea and belongs to a new polyploid variety of black locust, introduced to China in recent years. Five lines have been introduced and cultivated so far, divided into two types: fast-growing timber type and forage type. Analysis of experimental results shows that, compared with common black locust clones, the tetraploid black locust has the following main characteristics: (1) The fast-growing timber type is similar to common black locust clones, but its fast growth is more pronounced. One-year-old grafted seedlings can reach a height of 3 m with a ground diameter of 3.5 cm; 3-year-old trees reach 5 m-7 m in height with a diameter at breast height of 6 cm-9 cm. An 18-year-old tree reaches 19 m in height with a diameter at breast height of 24.5 cm and a single-tree volume of 0.
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