Table 2 Effect of preharvest spraying with moringa leaf extract, boric acid, and chelated calcium on firmness (Lb/inch²) of Hollywood plum fruits stored at 0 ± 1 °C and RH 85–90% during 2018 and 2019 seasons

T1

3.27bc

3.27bc

2.80de

2.40f–i

2.13ij

2.77B

T2

3.40b

2.53e-g

2.80de

2.60ef

2.23 h–j

2.71B

T3

3.27bc

2.80de

2.30 g–i

2.30 g–i

2.24 h–j

2.58C

T4

3.87a

3.67a

3.00 cd

2.50f–h

2.20ij

3.05A

Control

3.20bc

2.37f–i

2.00j

1.40 k

1.27 k

2.05D

Mean

3.40A

2.93B

2.58C

2.24D

2.01E

T1

4.87a

3.50de

3.23ef

2.40ij

2.40ij

3.28C

T2

4.90a

3.43de

3.03 fg

2.57 h–j

2.28j

3.24C

T3

4.92a

3.57c–e

3.83c

3.70 cd

2.28j

3.66B

T4

5.09a

3.63 cd

4.80a

3.27ef

2.30j

3.82A

Control

4.27b

3.37de

2.83gh

2.67hi

2.27j

3.08D

Mean

4.81A

3.50B

3.55B

2.92C

2.30D