Yuav ua li cas yog kab mob witchweed?

Cov txheej txheem:

Yuav ua li cas yog kab mob witchweed?
Yuav ua li cas yog kab mob witchweed?
Anonim

Striga gesnerioides, cowpea witchweed, raws li nws lub npe txhais tau hais tias, yogparasite ntawm cowpea(Vigna unguiculata), uas tsis yog nyom, tab sis yog tswv cuab ntawm tsev neeg legume (Fabaceae los yog Leguminosae).

Puas Striga yog kab cab?

Striga yog obligate cag-parasitic nroj tsuag ntawm cov qoob loo ua liaj ua teb loj, suav nrog cov nplej, hauv thaj chaw sov thiab ib nrab arid ntawm Africa, Middle East, Asia, thiab Australia. Yog li ntawd, lawv ua rau muaj kev puas tsuaj loj rau cov qoob loo qoob loo.

Puas Striga yog ib feem kab mob hauv paus?

1. Witch weed (Striga hom) yog qhov paub zoo ntawm cov kab mob hauv paus kab mob ntawm cov piam thaj Jawar, pobkws, cereals thiab millets hauv Is Nrias teb. Muaj plaub hom Striga cov ntaub ntawv nyob rau hauv lub teb chaws ntawm qab zib, mov, sorghum thiab lwm yam millets.

witchweed zoo li cas?

Witchweeds yog cov ceg ntoo, 15 txog 75 cm (0.5 mus rau 2.5 ko taw) siab, nrog rau sab nraud lossis hloov pauv, feem ntau nqaim thiab ntxhib lossis qee zaum scalelike nplooj. … Ob-lipped ib leeg paj yog liab, daj, ntshav, xiav, los yog dawb.

Puas yog cov cag cab kab mob jowar?

Striga (Parasite of Jawar):Nws yog phanerogamic cag cab kab mob uas muaj nyob hauv Jowar thiab lwm cov qoob loo uas yog tsev neeg Gramineae. … Kev tawm tsam ntawm Striga yog qhov hnyav dua hauv cov av teeb.

Pom zoo:

Nthuav cov khoom
Puas muaj lo lus routinist?
Nyeem ntxiv

Puas muaj lo lus routinist?

Ib txheej kev cai lossis tsis hloov pauv thiab feem ntau ua haujlwm lossis cov txheej txheem: ib txwm ua haujlwm hauv tsev. Saib Synonyms ntawm txoj kev. b. Kev coj ua ntawm cov dej num lossis cov txheej txheem: "Routine tau ua rau stagnation"

Puas cov kab kos qeeb qeeb excel?
Nyeem ntxiv

Puas cov kab kos qeeb qeeb excel?

Feem ntau, nws tsis yog cov kab kos (yog qhov koj hu ua "graphs") uas ua rau qeeb ntawm qhov rov qab, tab sis tsis muaj txiaj ntsig. Tshawb xyuas cov ntaub ntawv qhia chaw. Yog tias lawv taw tes rau cov ntawv ua haujlwm, ces txhua yam zoo.

Puas yog ib ntus thiab series?
Nyeem ntxiv

Puas yog ib ntus thiab series?

Dab tsi yog qhov sib txawv ntawm qhov sib lawv liag thiab ib series? … Cov sums ntawm cov nqe lus ntawm ib tug infinite sequence yog hu ua ib tug infinite series. Ib ntu tuaj yeem txhais tau tias yog ib qho kev ua haujlwm uas nws lub npe yog txheej ntawm Natural tooj.