Drought stress mitigation with humic acid in two Cucumis melo L. genotypes differ in their drought tolerance

Kıran, Servinç; Furtana, Gökçen Baysal; Talhouni, Manar; Ellialtıoğlu, Şeküre Şebnem

doi:10.1590/1678-4499.20190057

Servinç Kıran

Soil, Fertilizer and Water Resources Central Research Institute - Ankara - Turkey.

AUTHORS’ CONTRIBUTION Conceptualization, Kıran S. and Ellialtıoğlu Ş. Ş.;Methodology, Kıran S. ; Investigation, Kıran S. U. and Baysal Furtana G.; Writing – Original Draft, Kıran S. andBaysal Furtana G.; Writing – Review and Editing, Talhouni M.; Resources, Baysal Furtana G. and Talhouni M.

https://orcid.org/0000-0002-6756-0235

Gökçen Baysal Furtana *Corresponding author: gokcenbaysal@gmail.com

Gazi University - Faculty of Science - Department of Biology - Ankara - Turkey.

AUTHORS’ CONTRIBUTION Conceptualization, Kıran S. and Ellialtıoğlu Ş. Ş.;Methodology, Kıran S. ; Investigation, Kıran S. U. and Baysal Furtana G.; Writing – Original Draft, Kıran S. andBaysal Furtana G.; Writing – Review and Editing, Talhouni M.; Resources, Baysal Furtana G. and Talhouni M.

https://orcid.org/0000-0001-6931-2430

Manar Talhouni

National Agricultural Research Center - Amman - Jordan.

AUTHORS’ CONTRIBUTION Conceptualization, Kıran S. and Ellialtıoğlu Ş. Ş.;Methodology, Kıran S. ; Investigation, Kıran S. U. and Baysal Furtana G.; Writing – Original Draft, Kıran S. andBaysal Furtana G.; Writing – Review and Editing, Talhouni M.; Resources, Baysal Furtana G. and Talhouni M.

https://orcid.org/0000-0001-8505-8858

Şeküre Şebnem Ellialtıoğlu

Ankara University, Faculty of Agriculture, Department of Horticulture Science - Ankara - Turkey.

AUTHORS’ CONTRIBUTION Conceptualization, Kıran S. and Ellialtıoğlu Ş. Ş.;Methodology, Kıran S. ; Investigation, Kıran S. U. and Baysal Furtana G.; Writing – Original Draft, Kıran S. andBaysal Furtana G.; Writing – Review and Editing, Talhouni M.; Resources, Baysal Furtana G. and Talhouni M.

https://orcid.org/0000-0002-3851-466X

*Corresponding author: gokcenbaysal@gmail.com

AUTHORS’ CONTRIBUTION

Conceptualization, Kıran S. and Ellialtıoğlu Ş. Ş.;Methodology, Kıran S. ; Investigation, Kıran S. U. and Baysal Furtana G.; Writing – Original Draft, Kıran S. andBaysal Furtana G.; Writing – Review and Editing, Talhouni M.; Resources, Baysal Furtana G. and Talhouni M.

Source of variance	df	Shoot fresh weight	Shoot dry weight	Root fresh weight	Root dry weight	Shoot length	Root length	Leaf area
Treatment(T)	3	^** * significant in 1% and 5% area	^** * significant in 1% and 5% area	^* * significant in 1% and 5% area	^** * significant in 1% and 5% area	^** * significant in 1% and 5% area	^* * significant in 1% and 5% area	^** * significant in 1% and 5% area
Genotype(G)	2	^** * significant in 1% and 5% area	^** * significant in 1% and 5% area	ns	^** * significant in 1% and 5% area	^** * significant in 1% and 5% area	ns	^** * significant in 1% and 5% area
T x G	6	^** * significant in 1% and 5% area	^** * significant in 1% and 5% area	ns	ns	ns	^* * significant in 1% and 5% area	^** * significant in 1% and 5% area
Error	18	7.52	0.15	0.38	0.03	37.58	0.82	8.77
CV(%)		7.33	8.28	16.07	13.42	13.14	7.44	6.87

Treatment	Genotype	Shoot fresh weight	Shoot dry weight	Root length	Leaf area	K	Ca
Treatment	Genotype	(g·plant^-1)		cm	cm²	(%)
Control	Şemame	45.32 a	5.59 a	12.75 ab	56.74 a	1.24 b	1.55 a
Control	Ananas	39.12 b	4.85 b	13.25 a	54.57 a	1.11 b	1.09 c
DS	Şemame	40.51 b	5.22 ab	10.75 c	40.56 b	1.19 b	0.86 d
DS	Ananas	24.56 d	3.29 d	12.50 ab	28.25 c	0.92 c	0.92 d
DS + HA	Şemame	42.48 ab	5.31 ab	12.50 ab	41.23 b	1.40 a	1.39 b
DS + HA	Ananas	32.45 c	4.08 c	11.67 bc	37.25 b	1.46 a	1.28 b

Source of variance	df	K	Ca	Chlf Spad	H₂O₂	MDA	SOD	CAT	GR
Treatment(T)	3	^ and	^ and	^ and	^ and	^ and	^ and	^ and	^ and
Genotype(G)	2	^* * significant in 1% and 5% area. Chlorophyll (Chlf), malondialdehyde (MDA), superoxide dismutase (SOD), catalase (CAT), glutathione reductase (GR).	^ and	ns	^ and	^ and	^ and	ns	^ and
T x G	6	^* * significant in 1% and 5% area. Chlorophyll (Chlf), malondialdehyde (MDA), superoxide dismutase (SOD), catalase (CAT), glutathione reductase (GR).	^ and	^* * significant in 1% and 5% area. Chlorophyll (Chlf), malondialdehyde (MDA), superoxide dismutase (SOD), catalase (CAT), glutathione reductase (GR).	^ and	^ and	^ and	^ and	^ and
Error	18	0.01	0.01	3.92	0.01	0.02	5.34	38.93	0.03
CV(%)		8.67	7.37	8.81	11.35	5.22	8.56	4.56	4.81

Treatment	Genotype	Chlf	H₂O₂	MDA	SOD	CAT	GR
Treatment	Genotype	Spad value	µmol·g^-1 FW		U·min^-1·mg^-1 FW		µmol·min^-1·mg^-1 FW
Control	Şemame	24.00 ab	0.25 c	1.67 e	18.03 c	122.47 c	2.99 d
Control	Ananas	26.73 a	0.18 d	1.88 d	19 36 c	83.20 e	2.75 d
DS	Şemame	20.25 c	0.36 b	2.82 b	32.04 b	146.24 b	4.18 b
DS	Ananas	16.25 d	0.49 a	3.53 a	19.61 c	109.86 d	2.93 d
DS +HA	Şemame	24.23 ab	0.19 d	1.76 de	38.30 a	138.75 b	4.74 a
DS +HA	Ananas	22.96 bc	0.27 c	2.24 c	34.63 b	221.29 a	3.76 c

[1] *Corresponding author: gokcenbaysal@gmail.com

Brazil

Brazil

Drought stress mitigation with humic acid in two Cucumis melo L. genotypes differ in their drought tolerance

ABSTRACT