2 edition of Witchweed found in the catalog.
United States. Animal and Plant Health Inspection Service.
by Dept. of Agriculture, Animal and Plant Health Inspection Service in Minneapolis, Minn
Written in English
|The Physical Object|
|Pagination|| p. :|
Sorghum is a major food staple in sub-Saharan Africa (SSA), but its production is constrained by the parasitic plant Striga that attaches to the roots of many cereals crops and causes severe. of spread of witchweed and the person in possession thereof has been so notified. E. Disposition. D. Restrictions. 1. Certificate or Permit Required. Unless exempted in b, any regulated article in subsection (C) above which is moved interstate from any regulated area described in a must be accompanied by a.
Local farmers identified witchweed as one of the most formidable threats they faced. Thereafter, farmer field schools were developed in Mopti and the neighboring Tominian area, where scientists introduced an integrated means of managing witchweed. Both farmers and scientists noted crop improvement and witchweed reduction upon first harvest. Witchweed: A Parasitic Pest Witchweed (Striga asiatica)is a parasitic plant that attacks some of the most important crops in the United States–corn, sorghum, sugar cane, and rice. It also parasitizes certain weedy grasses. Unlike most weeds, which merely compete with crops, parasites like witchweed do their damage more directly.
Witchweed definition, an Old World parasitic plant of the genus Striga, introduced into the southern U.S.: a serious pest of corn and other grass crops. See more. This banner text can have markup.. web; books; video; audio; software; images; Toggle navigation.
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Witchweed, any plant of the genus Striga in the family Orobanchaceae, including about 40 species of the Old World tropics and one species introduced into the southeastern United States.
About 10 species are destructive as parasites on such crops as corn (maize), sorghum, rice, sugarcane, and. Witchweed book A Parasitic Pest Witchweed (Striga asiatica) is a parasitic plant that attacks some of the most important crops in the United States—corn, sorghum, sugar cane, and rice.
It also parasitizes certain weedy grasses. Unlike most weeds, which merely compete with crops, parasites like witchweed do their damage more Size: 37KB. Striga, commonly known as witchweed, is a genus of parasitic plants that occur naturally in parts of Africa, Asia, and Australia.
It is in the family species are serious pathogens of cereal crops, with the greatest effects being in savanna agriculture in Africa. It also causes considerable crop losses in other regions, including other tropical and subtropical crops in its Family: Orobanchaceae. COVID Resources.
Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together Witchweed book and resources to assist library staff as they consider how to handle coronavirus.
Witchweed definition is - any of a genus (Striga) of yellow-flowered Old World plants of the snapdragon family that are damaging root parasites of grasses (such as sorghum and corn) and that include one (S.
asiatica) which is an introduced pest in parts of the southeastern U.S. Define witchweed. witchweed synonyms, witchweed pronunciation, witchweed translation, English dictionary definition of witchweed. n any of several scrophulariaceous plants of the genus Striga, esp S.
hermonthica, that are serious pests of grain crops in parts of Africa and Asia n. Witchweed: A Parasitic Pest Witchweed (Striga asiatica) is a parasitic plant that attacks some of the most important crops in the United States—corn, sorghum, sugar cane, and rice.
It also parasitizes certain weedy grasses. Unlike most weeds, which merely compete with crops, parasites like witchweed do their damage more directly. The first identified natural SL was strigol, isolated from root exudates as a germination stimulant of the root-parasitic plant witchweed Striga lutea (Cook et al., ).
Since then, a range of SLs have been identified as germination stimulants of root-parasitic plants that belong to the broomrapes (Orobanche and Phelipanche spp.), witchweeds.
I love Phyllis Reynolds Naylor's witch series. There are five books in this series and all 5 are great. Each book also stands on its own. I first read one and two in Elementary School and as an adult I enjoyed them just as much.5/5(2). Witchweed species rank as some of the world's worst agricultural weeds.
Non-native witchweeds are currently not found in Australia but have the potential to become costly pests in Queensland. An opportunity exists to prevent their naturalisation here.
Witchweed is a prohibited invasive plant under the Biosecurity Act Appearance Striga asiatica is a parasitic plant that can infest agricultural crops and has been found in North and South Carolina. Plants are normally in.
( cm) tall but have grown to 24 in. (61 cm). Foliage Leaves of Striga asiatica are linear and around 1 in. ( cm) long. Flowers Striga asiatica flowers are small, less than in. ( cm) in diameter, occur in or on loose. witchweed This plant can be weedy or invasive according to the authoritative sources noted plant may be known by one or more common names in different places, and some are listed above.
Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S. witchweed may stimulate the germination of witchweed seedlings that fail to penetrate the false host’s root beyond the cortex; therefore, the witchweed would eventually die due to lack of resources (CABI, ).
Best results are obtained when false hosts are planted at a time and density that ensure optimum germination of the pest (CABI, ). : Witchweed Research and Control in the United States (Monograph Series of the Weed Science Society of America, No 5) (): Eplee, Robert E., Westbrooks, Randy G.: BooksPrice: $ Striga asiatica, the Asiatic witchweed or the red witchweed, is a hemiparasitic plant in the broomrape family.
It is native to Asia and sub-Saharan Africa, but has been introduced into other parts of the world including Australia and the United c witchweed is a serious agricultural pest, as it parasitises important crop species, including corn, rice, sorghum, and sugar cane, often Family: Orobanchaceae.
Books shelved as witch-series: Once a Witch by Carolyn MacCullough, Always a Witch by Carolyn MacCullough, An Unlikely Witch by Debora Geary, An Imperfec. Red witchweed Identification guide Red witchweed (Striga asiatica) is a parasitic weed. It grows attached to the roots of a host plant.
The weed robs its host of water and nutrients, suppressing its growth. Red witchweed affects economically important crops such as sorghum, corn (maize), rice and sugar cane. Due to the seriousness of the quarantine, APHIS offers a reward for any confirmed reports of witchweed.
If you suspect witchweed in your farm, field or backyard, contact APHIS immediately a 1 () –WEED or locally at () The witchweed flower is prominent in July, August and September. I'll have to check it out.
I have recently read a book called WitchWeed though, so I hope this book is NOTHING like that one. Report this review. Add your rating See all 2 kid reviews.
What's the story. Jessica Porter, often left alone by her mom and recently on the outs with her best friend, takes up with a strange cat named Worm. When 4/5. Witchweed (Striga asiatica) - a new parasitic plant in the United States. Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture Special Publication, Mohamed KI, Musselman LJ, Aigbokhan EI, Berner DK, Evolution and taxonomy of agronomically important Striga species.
Red witchweed Striga asiatica DAFF Qld Report the presence of this pest if it's legal status is prohibited before undertaking control. Information about this pest can be found on the witchweed: declared pest page. A witch is a woman in possession of power. To some, the witch is a figure to fear; to others, she’s one of empowerment.
She is the healer, the medicine woman, the bruja, the Mother, the crafty Instagrammer. There’s a reason there are so many books about witches, many more than the in this list.
We read about the wicked witch of fairy.Asiatic witchweed witchweed This plant and the related entity italicized and indented above can be weedy or invasive according to the authoritative sources noted plant may be known by one or more common names in different places, and some are listed above.