INTRODUCTION

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dec 0 Pt Thoactans bcers o pligd
ее - л; ) ВЫ оН

A& Tat has beers wrilicn ehoul е ае алее о1 еер 8о b НТе. Ежсну л-
linne prrmil Lo pulablist that e cereals bad e оЙЙ п сНа 2 Н
dawn ol agviculture. 1'ram the primary cenlres ol sgriceltuee the cereals had
aproad Wnonew ropinns 61 НЫ weake ol Lhe settling mankind. Together with the espe-
rivogy of plougtars а: аееа the оее ок was accwrmodalel Wil s
ged of selection i hecane posaihle o engamendally change (e plast habifis,
sipnilicantly raising 1be part of corn in e whole yicld of the biomass, o creale
Lhe morls resclive o е ingrease of Tevdiloars doses, o erease thiegualily ОГ ост
and even sef tn е Torming of now scrts by hyheidizabion,

Linweever, the attemnpls of 1ucther inleclerchee niln plant lise 1or the sake of
ига iy produstividy revealed ке necessity of getting dula from scicolific
ereo whick Fas recenlly been conmdere] рна Hreorclical, By thas e i il
plant emla valogy.

Trhe neoessily of obdaiviog crnbryolopica] inlormalion when warking ol
sclectinn programs or colstroching indostial tecing L es ccorreboraded, i par-
ticular, by the bact Lhal in plenls orpaiemenesis is continoed Н еа р лНОЙ б оь -
nesis А] б Тнг лл атее, we izke apring wlear, 1l e processes лир in the cemtre
al allcidion of -|'-I11|_||'.,4|'|4|E_1fl:l'5 н я лВ & |'п. уе .:‘шч’пг*п tale |енг ЧнГ е
vegetalive period: frar the building up о! the inflorescence up п Кв еа Н
ol the kerncl.

Г-иг scipnlists of lhe whale еа мв ЕР noee apgent becores [Fe gnestion
oof 1w, pntraditinnal approzches and miethads permitling te hring ta light а!1 тг
lendialitios of Lhe plant orvanizm, 20 well 25 o get aew Torms aned sorls in shorier
гг

TEe individeal developoent of plant ergamiso: and copnition of the essence amd
тензонс оо he lormcanstriehing procesaes o& ane o e poincipal pecblems: of aur
time.

Plant emhreoiopry — Lhe scivnee oo repolacitaes of e origin and develapment
оГ the [rst slapes o antogenesis опа theanpk its flencishing pericd delermi-
ned by the greneral progress of nalocol scownces, The [uriher developizent ЭГ
Pacliasy pe popecsibale е ИАЫ the лоа есве ol the Hirsl atages o onfogenesis
ЯИ ГО ЕА il appesred o the contre cl albendor ol only ol cmbrvolo-
gisiz, but also of penelicists, biochernisls, plivsiclopists, oiologizls, biophysicisls
aid] seleclmiats-and oo necessary hasis for experipemtal and thenretical inves
tigationa declingr with the pinblems o reproduclion. Hesides thai, enbryology
ц'_'і_ч_-'|_шш-% r_|[ 2l il r|:|L|1_'|' ul- ‘П|||Цп|'|'|Р'.|1’й| Ці.д-д_чцч'-гіёь -.'.-|1|-:_'|: аН I‘_!I_' l.:-.-||_'|q'[}' ir|_1rr_'.|]|_||_'|;_'d
inde practice (evloplasmic male stertlily — 5, phenomenen оё ярог а, ПУЕа
bvbridizclion and. sorme ofiers],

Lip tee vecent tir-e selectionists werc inabile do predict wilh certainty the 1esules
ol snme nr other coossing, ils possibiliy 10 be polinlo praclice dod reprodus ve
ahility nf the progeny. As e melber ol Yacl, lhe processes acciering inthe flower