106 B. B. JIEHEmKHHT). H3CJI^OBAHIfl HAJVB OCMOTJUIKCKHMH 



MaeTca jiHCTT. Cb VAajienHofi sepxneS nojiOBnnon (cm. on. I n II Ha dp. 101). Mm bba'EJih 

 OAuauo paHbiue, ^to KjrETOiiibia ctLhkh Bepxnci nojiOBnnbi coqjieneiiia ropa3AO MeHf>e pacTa- 



HtHMbl BT> CpaBIieHiH Cb KJIBTOqilblMII CTEnnaMH IIHJKHeS HOJIOBHHbl (cm. dp. 68), D03T0My 



yKa3aHHoe HBJieHie iipeACTaBJiaeTca Bnojiu-E noium\b\m>. 



Jl^o chxtj nopi> Mbi roBopnjiH o6t ooiOTHqecKOMii AaBJieuin JincTOBbixt coqjienenifi mbmo3bi, 

 ycTanaBjiHBaromeMcn uocxb nacTynjienia ociuoTHwecKaro paBnoB-fccia; oopaTHJica Tenepb kt. 

 BbiflCHeHiio npnqBHbi pa3JiHMH0H cnopocTH yBejinqenia Typropearo AaBjienia bt> Bepxnen h 

 HHJKnefi nojiOBHHax'b. 



IIpeaiAe Bcero neoSxoAHMo hm-etb bt> bha)', hto Bejinquna BHAnniaro ocMOTnqecKaro 

 AaBjienia, KaKT> na sto 6bi.io yate }Ka3aH0 bt> tji. I (cTp. 17), 3aBncnrb ee TOJibKO on, 

 KOHD,eHTpan,iH KjrkToqearo coKa, TeMnepaTypbi n t. u., no h otl Bejininabi nponnn,aeMOCTn ajih 

 BOAbi TKaneS, upoBOAamaxT. bocji-bahwh) orb KcnjieMbi kt> wtcTy BcacbiBania. Tani kslkt, 

 rjiaBnaa niacca KJitTOKi coqieHemM nojiyqaeTt neofixoAHMyw ajih noBbiiuenia ocMOTHqecnaro 

 AaBJienin BOAy npn nocpeACTBB HECKOJibKnxb cnoeB-b KJif>T0KT> napeHxn.Mbi, OKpyatawmee cocy- 

 AncTbin uyqeKT> n coAepjKamen bt> CBonxb HnrepHejunojiapaxi B03Ayxt, to cnopocTb yBejinqe- 

 ma AaBjenia AOJiJKna 3aBncETb ott. npoHHn,aeiuocTn, a cjrfcAOBaTeJibHO h mimnHbi K.TEToqnbix'b 

 ct'Ehok'l 3toh napenxnaibi. KaKi H3BtcTHO, KAibmouHbiH cmibHKu napeHxuMbi ez eepxueu nOAO- 

 euwib coujieueuin mumo3u, ez npomwonoAOMCHOcmb dpyimiz pacmcHin.vz, oz 3 — 5 p>a.3z niOAine 

 KATbmouHbixz cmibHom napeHxuMbi Hiiotcueu noAoeuubt (Briicke, Millardet, p. 209). Buojwe 

 nonflTHbiM'b HBjmeTCH, cjiEAOBaTejibno, noqeuy BcacbiBanie BOAbi BepxoHMH nojiOBnuaMn coqjie- 

 HemS H3^ KcmieMbi HAeTt MeA-ieHnte BcacbiBaHiH nnamnMH nxT> nojiOBneaMH. 



Bt> corjiacin ct. TOJibno qTO npHBeAenebiM-b o6xflcaenieMi pa3Jinqia CKopocrn yBejiHaenia 

 Typropearo AaBjiema bt> Bepxenxi. n noacHnxx nojioBimaxb coq.ieneHiH wnM03a nocii 3aTeMHS- 

 ma HaxoABTca TaKJKe pe3yjibTaTbi oiibiTOB-b, npoH3BeAeHUbixx mbow cl AtficTBieMi ocBtmenin 

 ea pacTenie, HaxoABBiueecn B3BtcTnoe BpeMH b-l TeMHOTt. 



OiibiTbi DOKasbiBaioTx, hto nocjit o6paTnaro noM-Bmenia pacTeHia n3"b TeiueoTbi na CBiTt 

 TOJibKO TorAa HaojnoAaeTca onycKanie lepemKOB-b, ecjiH b-b TCMnorf. uocjiAHie em,e He ony- 

 CTMHCb ao BbicoTbi, na KOTopoH ohh HaxoAnjiHCb nepeAt 3aTeMiitnieM^, upnqeM^ onycKaHie 

 qepeuiKOBi HAert TOJbKO ao 3toh BbicoTbi; ecjin H^e nanpoTHBX Toro qepemKH onycTruncb 

 y^e B-b TeMBOT-fe ao BbicoTbi, Ha KOTopoii HaxoAnjncb iiepeAT> 3aTeMnf>HieM'b, hjh eej,e HHase, 

 to nocjii BbicTaBJienia na CBf^Tb bx nepBOjn> cjiyqat He Ha6jiK)AaeTca HHKaKoro ABn^enia 

 jincTbeBi, bo BTopoiui He nponcxoAnrb noAnaTie noc^itAHHX'b. OAaaKO sto noAHHTie hacti 

 TOJibKO ao toh BbicoTbi, Ha KOTopofi qepeoiKB naxoAHJincb ao 3aTeMetHia. Ajia HJUirocTpaaiu 

 TOJibKO to) cKa33HHaro, npHBeAy Tpn Hanoojite TnnmHbie onbiTa, noKa3biBaK)mie Bet Tpn 

 cjiyqaa ABHffieiiia rjiaBnaro qeperaKa JincTbeBi Mnmo3bi npn BbicTaB.ieuin pacTenia Ha cb-etb. 



BTopnqnbie qepemKn 6bi.in 3a iiicKOJibKO auch ao onbiTOBT> yKpinJieiibi nepnemnKyjiapiio 

 rjaBiiojiy. TeiviriepaTypa bx Teieiiie onbiTOB-b n3.M'Luajiacb cawoe 6ojiLmee na 2°. 



