The Application of Nano-Iron Chelate and Iron Chelate to Soil and as Foliar Application: Treatments against Chlorosis and Fruit Quality in Quince

Figures & data

Table 1. Some physiochemical properties of the soil.

pH	EC	Organic Carbon(%)	Avail- P(ppm)	Avail- K(ppm)	Avail- Cu(ppm)	Avail- Mn(ppm)	Avail- Fe(ppm)	Avail- Zn(ppm)	Sand(%)	Silt(%)	Clay(%)
7.9	1.97	0.46	43.2	222	0.66	11.42	5.7	0.5	61.4	24.6	14

Table 2. Effect of different iron treatments on leaf area, carotenoid and chlorophyll in quince tree.

Treatment	Leaf area (cm^2)	Carotenoid (mg g^−1 F.W)	Chlorophyll total (mg g^−1 F.W)
Control	6.60 ^e	0.226 ^g	0.589 ^f
FS11T	7.14^de	0.279 ^f	0.717 ^e
FS21T	8.12^−d	0.310 ^de	0.808 ^cd
FS12T	7.78^b-d	0.295 ^ef	0.763 ^de
FS22T	8.50^a-c	0.355 ^bc	0.952 ^b
FN11T	7.48^c-e	0.285^ef	0.722 ^e
FN21T	8.37^a-c	0.339 ^c	0.883 ^bc
FN12T	7.95^b-d	0.297 ^ef	0.777 ^de
FN22T	9.10^a	0.382 ^a	1.088 ^a
SS1T	8.81^ab	0.374 ^ab	1.078 ^a
SN1T	8.26^a-c	0.329 ^cd	0.874 ^bc

Values in the same column with different superscript letters represent significant differences at p < 0.05 by DMRT, (n = 3)

Table 3. Effect of different iron treatments on Fe content in leaf and fruit, leaf catalase and peroxidase enzyme activities of quince tree.

Treatments	Fe (leaf) (mg.kg^−1)		Fe(fruit) (mg.kg^−1)	Catalase activity (U.g^−1FW)	Peroxidase activity (U.g^−1FW)
	First year	Second year	Means of two years	Means of two years	Means of two years
Control	65.26 ^f	68.42 ^e	11.05 ^h	20.53^e	2.76^c
FS11T	70.00 ^ef	78.07 ^de	12.63 ^g	22.47^de	2.89^c
FS21T	84.04 ^cd	90.53 ^cd	14.91 ^de	24.48^bcd	3.65^b
FS12T	79.47 ^b-d	85.62 ^cd	14.21 ^ef	23.52^cd	3.04^c
FS22T	94.74 ^a-c	104.39 ^ab	17.37 ^cd	26.19^abc	4.00^ab
FN11T	71.05 ^ef	79.12 ^de	12.89 ^fg	22.77^de	2.90^c
FN21T	88.07 ^b-d	97.37 ^bc	16.05 ^cd	25.32^a-d	3.77^ab
FN12T	83.33 ^cd	90.00 ^cd	14.82 ^de	23.84^b-d	3.15^c
FN22T	100.00 ^a	111.4 ^a	19.91 ^a	27.47^a	4.20^a
SS1T	96.32 ^ab	107.19 ^ab	18.16 ^b	26.54^ab	4.10^ab
SN1T	86.32 ^bd	95.61 ^bc	15.44 ^de	24.86^a-d	3.73^b

Values in the same column with different superscript letters represent significant differences at p < 0.05 by DMRT, (n = 3)

Table 4. Effect of different iron treatments on Ca content in leaf and fruit and fruit firmness of quince tree.

Treatments	Ca (leaf %)		Ca (fruit %)		Firmness(kg.cm^2)
	First year	Second year	First year	Second year	Means of two years
Control	2.355 ^d	3.053 ^d	0.126 ^e	0.139 ^d	7.57 ^ab
FS11T	2.423 ^cd	3.134 ^cd	0.136 ^de	0.160 ^cd	7.51 ^ab
FS21T	2.554 ^a-d	4.297 ^a-d	0.150 ^b-e	0.174 ^a-c	6.37 ^d
FS12T	2.508 ^a-d	3.237 ^a-d	0.147 ^b-e	0.168 ^bc	7.17 ^a-d
FS22T	2.659 ^a-c	3.350 ^a-c	0.163 ^a-c	0.186 ^a-c	6.97 ^a-d
FN11T	2.445 ^b-d	3.166 ^b-d	0.139 ^c-e	0.161 ^cd	7.49 ^ab
FN21T	2.557 ^a-d	3.331 ^a-c	0.153 ^a-d	0.178 ^a-c	7.97 ^a
FN12T	2.530 ^a-d	3.269 ^a-d	0.148 ^b-e	0.173 ^a-c	6.47 ^cd
FN22T	2.711 ^a	3.418 ^ab	0.171 ^ab	0.192 ^ab	6.70 ^b-d
SS1T	2.747 ^a	3.463 ^a	0.176 ^a	0.198 ^a	7.36 ^a-c
SN1T	2.689 ^ab	3.389 ^abc	0.166 ^ab	0.187 ^a-c	7.79 ^a

Values in the same column with different superscript letters represent significant differences at p < 0.05 by DMRT, (n = 3)

Table 5. Effect of different iron treatments on some fruit properties in quince tree.

Treatments	Ascorbic acid (mg.100 cc^−1)	Total Phenol (mg. l^−1)	TSS(%) First year Second year
Control	44.09 ^c	11.94 ^a	12.13^d	12.27^c
FS11T	46.36 ^de	11.71 ^ab	12.43^cd	12.70^bc
FS21T	52.43 ^b-e	10.66 ^a-c	13.47^ac	13.60^ab
FS12T	48.94 ^c-e	11.37 ^a-c	13.20^a-d	13.43^a-c
FS22T	61.21 ^ab	10.19 ^be	13.73^a	14.33^a
FN11T	46.37 ^de	11.63 ^ab	12.53^b-d	12.80^bc
FN21T	56.82 ^a-c	10.56 ^a-c	13.67^ab	13.83^ab
FN12T	51.36 ^c-e	11.32 ^a-c	13.40^a-c	13.67^ab
FN22T	63.33 ^a	10.00 ^c	14.00^a	14.57^a
SS1T	61.67 ^ab	10.06 ^c	13.90^a	14.43^a
SN1T	55.91 ^a-d	10.61 ^a-c	13.63^ab	13.73^ab

Values in the same column with different superscript letters represent significant differences at p < 0.05 by DMRT, (n = 3)