The adaptive potential of sweet cherry varieties (C. avium L.) under the conditions of Southern horticulture

Open Access

Table 1.

Reduction of fruit buds of sweet cherry different varieties under conditions of exposure to low-temperature stress (Krasnodar)

Variety	Perish of fruit buds, %
Variety	2006, January (-32-33℃)	2007, February (-22-25℃)	2009, April (-6.2℃)	2013, March (-3-4℃)	2016, December (-24℃)	2020, April (-4- 5℃)	X average
Varieties of NCFSCHVW breeding
*early varieties:*
Krasnodarskaya Ranniya	95	65	85	55	90	95	81.0
Kavkazskaya (st.)	90	20	60	40	85	85	62.5
Sashen’ka	95	20	60	50	85	85	65.8
*middle varieties:*
Volshebnitsa	90	40	70	45	80	80	67.5
Demetra	100	60	70	40	95	100	77.5
Rubinovaya Kubani	95	40	90	45	90	85	74.0
*late varieties:*
Alaya	90	20	60	40	80	90	60.0
Dar Izobiliya	90	30	60	40	85	85	63.0
Mak	90	30	60	45	80	80	64.0
Introduced varieties
*early varieties:*
Valeriy Chkalov	100	40	75	52	90	95	75.0
Kashtanka	100	90	85	55	90	100	86.0
Melitopol’skaya Ranniya	100	80	90	50	85	95	83.0
*middle varieties:*
Anons	90	10	65	45	90	80	65
Melitopol’skaya Chernaya	95	50	80	55	85	85	76.0
Frants Iosif	100	50	95	40	90	85	77.0
*late varieties:*
Krupnoplodnaya	100	30	70	40	80	85	69.0
Polyanka	100	40	70	55	85	90	73.0
Frantsyzskaya Chernaya	100	25	80	45	90	95	72.5
LSD_0,5	1.5	3.2	2.4	1,7	1.5	1.8	–
SD, %	4.5	21.4	11.9	5.9	4.5	8.4	–
X average:	95.6	41.7	73.6	46.5	86.4	87.5	–
Cv, %	4.7	51.3	16.0	12.9	5.2	9.6	–

Note: Cv, % – the coefficient of variation, SD % – standard deviation, X average – average arithmetic

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