Thanks a lot, Ushadi On Sun 15 Jul, 2018, 12:19 PM Ushadi Micromini, <[email protected]> wrote:
> great, Anil > > nice to know the dx > > Univ Michigan has a nice page for diagnosis: > > https://pestid.msu.edu/weeds-and-plant-identification/johnsongrass-sorghum-halepense/ > > > And Dr.A.Suganya ji: > > when do you think it came to India > and how wide spread is it? > > i found a short but very interesting history of its introduction to USA: > Its called JOHNSON GRASS BECAUSE A MR JOHNSON INTRODUCED IT TO USA IN > 1840.... > This link is for a thoughtfully written and researched essay on Johnson > grass. > > > https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html > > > I quote from the page > > GENERAL DISTRIBUTION: > *Johnson grass* is native to the *Mediterranean region of Europe and > Africa, and possibly to Asia Minor.* > > Worldwide, its range as a weed extends from 55° N to 45° S in latitude [96 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#96>, > 128 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#128> > ]. > > It was widely introduced in North America, Europe, Africa, and > southwestern Asia [184 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#184> > ], > > and was also introduced in Brazil, Argentina [155 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#155>], > and northern Australia [78 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#78> > ]. > > In North America it occurs in southern Ontario south through all the > contiguous United States > > except Maine [72 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#72>, > 109 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#109> > ,206 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#206>] > to the Rio Grande Delta region of Tamaulipas and > > the Cape region of Baja California Sur in Mexico [204 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#204>]. > Johnson grass also occurs in Hawaii and the Caribbean [109 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#109> > ]. > > > In the United States, Johnson grass was introduced in South Carolina from > Turkey around 1830. > > William Johnson, whom the plant is named after, established Johnson grass > > along the Alabama River in the 1840s as a forage species, and Johnson > grass > > spread rapidly across the South [14 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#14>, > 149 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#149> > ,170 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#170> > ,182 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#182>]. > Johnson grass is now > > widely escaped from cultivation in much of the United States. > > It is most invasive in the Southeast, although it is widespread in central > California and New Mexico [122 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#122> > ,128 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#128> > ,206 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#206> > ]. > > Johnson grass is not persistent in the Pacific Northwest, upper northern > Great Plains, > > extreme northern portions of the Great Lake states, the Northeast [70 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#70>, > 110 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#110> > ,132 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#132> > ,194 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#194> > ], > > or in Arizona, Colorado, and Utah [111 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#111> > ,200 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#200> > ,201 > <https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html#201> > ]. Plants database <https://plants.usda.gov/> provides a state > distributional map of Johnson grass." > > end quote > > For references listed above , you have to go to page in the link below…. > https://www.fs.fed.us/database/feis/plants/graminoid/sorhal/all.html " > > it also mentions that its a good forage grass. too much of it may cause > nitrogen toxicity, though. > > several other websites list it as a weed: > https://www.invasiveplantatlas.org/subject.html?sub=3075 > and this site https://wiki.bugwood.org/Sorghum_halepense says " > > i quote" Pest/Weed Considerations > > *Sorghum halepense* is considered to be one of the ten worst weeds in the > world.[1] <https://wiki.bugwood.org/Sorghum_halepense#cite_note-holm-1> > > Fifty-three countries, ranging in latitude from 55 N to 45 S report > Johnson grass as a major problem; > > the problem is most serious in the region from the Mediterranean to the > Middle East and* India, * > > Australia, central South America and the Gulf Coast of the United States. > [1] <https://wiki.bugwood.org/Sorghum_halepense#cite_note-holm-1>" end > quote > " > > > my question are there publications or webpages regarding this pest status > in india > and when did it come to India???? > > usha di > > > > On Sat, Jul 14, 2018 at 12:33 PM, J.M. Garg <[email protected]> wrote: > >> This one is Sorghum helpense?- from Anil ji. >> >> ---------- Forwarded message ---------- >> From: suganya m d <[email protected]> >> Date: 4 July 2018 at 16:59 >> Subject: Re: [efloraofindia:299080] Fwd: Plant for identification 200618 >> SR >> To: "J.M. Garg" <[email protected]> >> >> >> >> >> Need ID please >> >> with regards >> Dr.A.Suganya >> Principal Scientist (Economic Botany) >> Division of Crop Improvement >> Sugarcane Breeding Institute (ICAR) >> Coimbatore 641007, Tamil Nadu >> Web: www.sugarcane.res.in >> Phone: Office: 0422-2472621 Extn:234 >> E-mail: [email protected] >> Mobile: 09043373325 >> >> >> >> >> -- >> With regards, >> J.M.Garg >> >> 'Creating awareness of Indian Flora & Fauna' >> <http://en.wikipedia.org/wiki/User:Jmgarg1> >> >> Winner of Wipro-NFS Sparrow Awards 2014 for efloraofindia >> <https://sites.google.com/site/efloraofindia/award-for-efloraofindia>. >> >> For identification, learning, discussion & documentation of Indian Flora, >> please visit/ join our Efloraofindia Google e-group >> <https://groups.google.com/forum/#!forum/indiantreepix> (largest in the >> world- around 2975 members & 2,90,000 messages on 31.3.18) or Efloraofindia >> website <https://sites.google.com/site/efloraofindia/> (with a species >> database of more than 12,000 species & 3,00,000 images). >> >> The whole world uses my Image Resource >> <http://commons.wikimedia.org/wiki/Category:J.M.Garg> of more than a >> thousand species & eight thousand images of Birds, Butterflies, Plants etc. >> (arranged alphabetically & place-wise). You can also use them for free as >> per Creative Commons license attached with each image. >> >> Also author of 'A Photoguide to the Birds of Kolkata & Common Birds of >> India'. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "efloraofindia" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at https://groups.google.com/group/indiantreepix. >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Usha di > =========== > -- You received this message because you are subscribed to the Google Groups "efloraofindia" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. Visit this group at https://groups.google.com/group/indiantreepix. 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