000			04347nam a22004697a 4500
001			G79971
003			MX-TxCIM
005			20221208164805.0
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040			_aMX-TxCIM
072		0	_aE16
072		0	_aF01
082	0	4	_a633.1147 _bBED
100	1		_aZedgenidze, I. _uInternational caucasian conference on cereals and food legumes. Abstracts
110	0		_aCentro Internacional de Mejoramiento de Maiz y Trigo (CIMMYT) _9978
111	2		_cTbilisi (Georgia) _d14-17 Jun 2004
245	0	0	_aAgrotechnical peculiarities of the wheat nutrition areas
260			_aTbilisi (Georgia) _bCIMMYT : _c2004
300			_ap. 342-343
340			_aPrinted
500			_aAbstract only
520			_aWheat crop is determined by the series of complex processes. Each component of these series has a specific influence on separate components of plant productivity. If we can specify a corresponding component of agrotechnology necessary for optimum development of these elements the yield of high quality wheat of 8.0-10.0 ton per hectare is highly plausible. One of the most important crop management measures is the optimization of plant stand density per unit area. The variability of this characteristic is quite high: from 150 to over 800 spike-bearing stems per 1 m2. The certain amount of soil and air per plant in crop is considered as the nutrition area, which is inversely proportional to the crop stand density. The smaller is the nutrition area the denser is the plant stand. From the agricultural point of view the optimum area of nutrition provides for maximum yield of high quality crop per ha with minimum input costs. Sowing rates for wheat decrease according to geographical zones from north to south and from west to east. Thus, they should be specified for each separate region and zone. Three different sowing rates: 150, 180 and 200 kg/ha in Shua Kartli region were analyzed for three varieties of wheat: Bezostaya 1, Copper and Vardzia. The experiments were carried out at Mukhrani plain. The fall plowing was followed by the sowing early in October. The treatments were applied to plots of 25m2 in 4 replications. Phenology resistance to diseases, resistance to lodging etc. were monitored and assessed. Bundles for analyses were gathered at the stage of complete maturity. Biometric analysis was carried out and the levels of each yield component were measured. It was ascertained that sowing rates do not have essential influence on plant wintering and its survival to the day of maturity. No significant variation in disease resistance to rust and powdery mildew has been registered. Certain correlation of sowing rate and productive tillering was ascertained. In the case of the low sowing rates the number of spikes was slightly increased compared to the high sowing rates. Namely, Bezostaya-1 sown at the rate of 150kg/ha and 200kg/ha and developed 5.1 and 4.1 spike-bearing stems at i.e. one additional stem per plant at the lower seeding rates. Cooper variety formed 6.7 and 5.1 stems respectively. 1.6 additional stems. Vardzia developed 5.7 and 4.9 stems, or 0.8 additional stems. The following yield was recorded for the varieties: Cooper yielded 2.9 t/ha and 3.4 t/ha while Vardzia yielded at the low and high seeding rates, respectively. The values demonstrate yield difference of 0.5 t/ha and 0.3 t/ha between the seeding rates, for the genotype respectively. The experiments showed that increase in the number of spikes at low sowing rate do not compensate the yield as compared to high sowing rate. 200 kg/ha should be considered the optimum sowing rate for cultivation of the above three varieties in Shua Kartli region.
546			_aEnglish
591			_a0409|AGRIS 0401|AL-Wheat Program
593			_aJuan Carlos Mendieta
595			_aCPC
650	1	7	_aCrop management _gAGROVOC _2 _91061
650	1	7	_aCrop yield _gAGROVOC _2 _91066
650	1	7	_aDisease resistance _gAGROVOC _2 _91077
650	1	0	_aNutrition surveys
650	1	7	_aRusts _gAGROVOC _2 _91251
650	1	0	_aSoil air
650	1	0	_aSowing rates
650	1	0	_aWheat
653	0		_aCIMMYT
650	1	7	_aQuality control _gAGROVOC _2 _91232
700	1		_aBedoshvili, D. _eed.
700	1		_aKhachidze, Z., _ecoaut.
700	1		_aShengelia, J., _ecoaut.
700	1		_aTagvadze, Z., _ecoaut.
942			_cPRO
999			_c7222 _d7222