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Maximilian Sunflower - CSU Extension in El Paso County
Maximilian Sunflower - CSU Extension in El Paso County

... It is planted in less than ideal soil on the very warm, southwest side of the house. Evidently, all that was needed was a bit more moisture. Maximilian Sunflower is an almost shrub-like perennial that blooms late in the season. It is tall (4’-6’ feet, depending on conditions) and the 2-3” yellow flo ...
Ethno medicinal plants used by gonds of Adilabad district, Andhra
Ethno medicinal plants used by gonds of Adilabad district, Andhra

... racemosus, entire plant powder of Hybanthus enneaspermus and bulbs of Crinum asiaticum are used as aphrodisiacs. Seed paste of Abrus precatorius is applied to reduce hair fall and improve hair growth; seed powder is used as natural contraceptive and for temporary breakdown of menstrual cycle. Stem b ...
02471-08.2 Sexual Plant Reproduction--Seed
02471-08.2 Sexual Plant Reproduction--Seed

... Bring in a dicot and a monocot seed and dissect them in front of the class. Point out the parts of the seeds and discuss each part. Also, bring in a plant to asexually propagate. Discussion ...
Raising Penstemons in Montana
Raising Penstemons in Montana

... P. corymbosus,[Keckliella corymbosa. Genus Keckliellia is a close relative of Genus Penstemon Ed.] from California, is a shrubby sort from Section Hesperothamnus [this may be a section which was subsumed into the Genus Keckliella Ed.]with brick red flowers. I failed dismally at growing it, but it fl ...
Lab 6: Plant Reproduction
Lab 6: Plant Reproduction

... The seed will then begin to develop. A seed is the embryo and a food supply wrapped in a protective covering called a seed coat. The seed protects the embryo from drying out and provides food until the embryo is able to grow its first true leaves and start photosynthesizing to produce its own food. ...
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... • Gametophytes look like thallose liverworts, but sporophytes larger, photosynthetic, and less dependent on gametophyte • Green vertical structures below are sporophytes growing out of gametophytes. ...
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... female cone 2. Sperm within the pollen fertilizes one egg within the cone. ...
Spring and Summer Black Stem and Leaf Spot Diseases of Alfalfa
Spring and Summer Black Stem and Leaf Spot Diseases of Alfalfa

... Symptoms occur primarily on stems and leaves but seedpods, crowns, and upper taproots also may become infected. In the spring, small black spots known as tar spots (Figure 1) develop on leaves, petioles, and stems of new shoots. Leaf lesions are irregular, and enlarge and merge until much of the lea ...
O A  RIGINAL
O A RIGINAL

... family, which is propagated by seed. The stem reaches a height of 50 to 100 cm. Lower parts of stems of this plant with the red tape that continues to the end of the main root. Its leaves are long, elongated, egg-shaped and has a margin is smooth and bright green. Flowers small, green plants appear ...
Plant Diversity
Plant Diversity

... Cotyledon – “seed leaf” ...
The Northeastern Area Invasive Forest Plant Species Project
The Northeastern Area Invasive Forest Plant Species Project

... The reasons behind the relative success of invasive plants over native species are not well understood. Environmental cues may differ between a plant’s native and adopted range. It is also possible that predators and diseases that affect the species’ in its native range are not present here, and as ...
Arabidopsis DND2 , a Second Cyclic Nucleotide
Arabidopsis DND2 , a Second Cyclic Nucleotide

... genes that are not R genes but which modulate avr-R gene signal transduction have been identified (Aarts et al. 1998; Muskett et al. 2002; Tornero et al. 2002), but there is ample need for further identification of the genes and physiological conditions that control HR cell death. In many but not al ...
WEED OF THE MONTH (March 2009)
WEED OF THE MONTH (March 2009)

... is a cool season native annual, but it can weather the heat and humidity in this area to be a year-round pest. It grows much larger, up to 24 – 36 inches, than its cousin. The deeply lobed lower leaves form a rosette. Upper leaves are alternate along the tall stem and have as few as two to three or ...
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... with the enzyme itself. The former mechanism utilizes a protein known as lipocortine, the synthesis of which is commanded by steroidal hormones and steroidlike plants known as triterpenoids. Examples of lipocortine-mediated phospholipase A2 inhibitors that are of therapeutic value and potent anti-in ...
Section 18: Fabaceae, Polygalaceae
Section 18: Fabaceae, Polygalaceae

... This family of plants is one of the most influential ecologically because of their ability to fixate nitrogen from the atmosphere, an element essential to all life but one which does not readily enter into combination with other elements to form compounds that can be used by plants. Legumes (and a f ...
Insurance against reproductive failure in a semelparous plant: bulbil
Insurance against reproductive failure in a semelparous plant: bulbil

... of individuals bearing capsules and the highest with bulbils, while treatment b (pollinator exclusion) showed an intermediate response. In the goat-felled plants, a large proportion (45%) failed to produce any propagation structure after the stalk was cut, a few individuals regenerated new branches ...
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... 1) Drying: Seed must dry out • Seed doesn’t germinate in fruit 2) Cold: Seed must be exposed to prolong cold period • Seed doesn’t germinate in winter 3) Seed Coat Disruption: Seed must have coat broken • Seed doesn’t germinate off periods (e.g. dry) Germination Events: 1) Roots emerge (gather water ...
Turfgrass Maintenance Essential Elements
Turfgrass Maintenance Essential Elements

... Sulfur. Low levels of S in soil limit the formation of proteins and the growth of turfgrasses. Several vitamins and the amino acids cystine and methionine contain S. Turfgrasses deficient in S cannot use N and most often have pale, yellowgreen leaves. The margins of leaves of sulfurdeficient turfgra ...
Utilization of plant genetic resources in crop
Utilization of plant genetic resources in crop

... desired traits from the unadapted background. Overall however, landraces represent the geatest reservoir of useful traits of any source; hence the current effort to preserve them in the face of the rapid spread of modern varieties. Wlld relatives Wid relatives of cultivated plants, either other spec ...
Taiga - s3.amazonaws.com
Taiga - s3.amazonaws.com

... It is deforestation. Ever since agriculture began around 11,000 years ago, people have been clearing forests for farms. Forest fires, industrial pollution, and paper use have demolished most of the population of trees in our world. This decreases the amount of oxygen in the air through photosynthesi ...
NCERT Solutions Question 1: Name the parts of an angiosperm
NCERT Solutions Question 1: Name the parts of an angiosperm

... What is meant by emasculation? When and why does a plant breeder employ this technique? Answer Emasculation is the process of removing anthers from bisexual flowers without affecting the female reproductive part (pistil), which is used in various plant hybridization techniques. Emasculation is perfo ...
Allelopathic invasion of alien plant species in India and their
Allelopathic invasion of alien plant species in India and their

... their control. More than 40% of the species are in the threatened and endangered lists due to invasive species (Wilcove et al. 1998). It is also estimated that about 20% of plant species are non-indigenous in many continents and more than 50% on several islands (Rejmanek et al. 1994). Thousands of a ...
invasive plant profile
invasive plant profile

... Iris pseudacorus is native to Europe and the British Isles, North Africa and the Mediterranean region. It has been transplanted into well-watered gardens all over the world and has widely escaped. It is used in sewage treatment, and is known to be able to remove metals from wastewaters. However, yel ...
Best Native Plants for Landscapes
Best Native Plants for Landscapes

... his publication discusses native Hawaiian plants for use in landscapes. A plant is considered native if it arrived in Hawai‘i without the assistance of man. Plants that are native to Hawai‘i may also occur elsewhere—a native plant is considered indigenous if it is found in other places as well. Some ...
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Plant morphology



Plant morphology or phytomorphology is the study of the physical form and external structure of plants. This is usually considered distinct from plant anatomy, which is the study of the internal structure of plants, especially at the microscopic level. Plant morphology is useful in the visual identification of plants.
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