Water blue leaf
Scientific name: Caldessiareniflrmis
Alias: Wideleaf moss, Alisma Koza
Family Genus
The main varieties:
1 large water blue
Scientific name: Vallisneria gigantea
Features: semi-positive grass, large broad-lined rosette green leaves
Foliar photometry: about 1200 Lux
Water temperature: 18～28°C
PH: 6.0~7.2
Hardness: strong soft water ~ medium hard water
2 small water orchids
Scientific name: Vallisneriaspiralis
Features: semi-positive water grass, small broad linear shaped rosette green leaves
Foliar photometry: about 1000 Lux
Water temperature: 15～30°C
PH: 6.5~7.5
Hardness: Medium Soft Water ~ Medium Hard Water
Alisma obtusa, a perennial aquatic or wet plant. Rhizomes erect, leaves basal. Leaf blade long elliptic, petiole length 25-50cm. Inflorescences branched whorled, white flowers. Fruit and fruit period from July to September. Mainly used for waterscape greening and potted plants for viewing.
Study on Genetic Diversity in Populations of Carex palustris
Summary:
A total of 180 offspring from 30 families of Lakeside Lake in Hunan Province of Caldesia grandis were analyzed by RAPD molecular markers for genetic diversity among families within families and within families. Twelve effective primers were screened from 100 random primers, yielding a total of 112 bands, of which 79 showed polymorphism, accounting for 70.5% of the total bands.
The percentage of polymorphic sites (PPB) in each family of Carex latifolia was between 7.1% and 40.2%. The gene diversity ranged from 0.02 to 0.14 for each family (with a gene diversity of 0.10 at the family level) and the Shannon index ranged from 0.04 to 0.21 (the Shannon index at the family level was 0.18). The results of AMOVA analysis on 30 families of Carex latifolia showed that the genetic differentiation coefficient between families was Gst=0.231, ie 23.1% of the total variation was found in the family, and the genetic variation in the family accounted for 76.9% of the total genetic variation. The variation between family and family was extremely significant (P
The UPGMA method was used to cluster 180 progeny of 30 families of Carex lasiocarpa. The results showed that the offspring of the same pedigree could not completely gather together. Based on the genetic differentiation coefficient Gst between families, the gene flow among the 30 families of Carex latifolia was estimated. The results showed that: Nm = 0.83, indicating that there is a high gene flow between each family of Carexia.
Keywords: Molecular variation Caldesia granddis Endangered plant family RAPD
The floral organogenesis of Carex latifolia:
Summary:
Scanning electron microscopy was used to observe the floral organogenesis of T. grandis Caldescia grandis? Samuel. Three of the sepals of Carexia latifolia spiralled counterclockwise spirally; three petals emerged nearly simultaneously at the same time, no petal_ stamen complex primordium was observed; both stamen and carpel primordial origin were rotundly centripetal. All the six primordia that occurred at the same time were all developed into stamens. There was no difference in the early stages of the six primordial generations. During development, morphological differences gradually appeared until one to four of them developed into carpels, and the rest developed into Stamens; then several rounds of carpel primordium, six rounds, occurred one after the other. This paper reveals the occurrence patterns of three bracts spirally, and speculates that this spiral way is preserved during the evolution process of the Alismataceae plant.
Key words: Carex dahurica flower primordia development
The water blue is grown in a semi-aquatic environment, and all water is easy to die.
In the middle of the world, there is a place where the S is rich, and the house is under the jurisdiction of a /8 pipe plant. In this paper, field investigations and investigations have been carried out to identify the three plants that are currently in danger. After the research was conducted, the team performed a viability analysis. ??? Σ莸 商Σ莸 Σ莸 æ§ å’´ æ§ å’´ æ§ å’´ 涎 涎 涎 涎 涎 涎 涎 涎 辆 辆 辆 辆 辆 / / /
ǖ拈 ǖ拈 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __. Self-consistent and self-pollination, but the rate of free flour is similar, lower than the same strain and the rate of flower pollination, in the same field of control of the release of powder control? The pollen viability and recovery rate were high, with 65.44% and 71.78%. Σ葜饕 Σ葜饕 Σ葜饕 ? ? ? ^ ? ? ? ? ? ? born in the inflorescence of the buds of the line to reproduce
The most frequent flowers in the flowering period, but the main focus of the effective powder. The viability analysis showed that in the middle of May, the business environment was very successful. In this case, the young seedlings that had survived were settled. .
The primary threats of physical and technological development are mainly due to turbulence events, especially for people living in the country. (For example, I, the plant, the mystery, the sinus, and the turbidity, A ?Wait). In this article, the purpose of this study is to find out how to use O (1) and to maintain local and local security. This is an effective way to ensure the safety of aquatic plants.
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