scholarly journals Effect of Plant Growth Regulators and Micro-nutrients on Vegetative Growth, Flowering and Yield Attributes of Litchi (Litchi chinensis Sonn.)

2021 ◽  
pp. 176-181
Author(s):  
Oyinti Megu ◽  
B.N. Hazarika ◽  
L. Wangchu ◽  
P. Sarma ◽  
Amit Kumar Singh ◽  
...  
Keyword(s):  
Plant Growth ◽  
Plant Growth Regulators ◽  
Growth Regulators ◽  
Vegetative Growth ◽  
Fruit Weight ◽  
Physical Parameters ◽  
Yield Attributes ◽  
Litchi Chinensis ◽  
Fruit Cracking ◽  
Cent Increase

The experiment was conducted to observe the effect of plant growth regulators (GA3 and NAA) and micro-nutrients (ZnSO4 and Borax) on vegetative growth, flowering and yield attributes of litchi (Litchi chinensis Sonn.). ZnSO4 applied @ 0.4% resulted in maximum per cent increase in plant height and canopy spread, i.e. 5.78% and 6.65% respectively. Whereas, application of Borax @ 0.4% exhibited maximum per cent increase in plant girth (8.72%). NAA @ 2.5 ppm was effective in improving the flowering parameters of litchi. With respect to physical parameters of fruit and yield component, application of borax @ 0.4% resulted in maximum fruit set (43.76%), number of fruits per tree (1128.67), fruit yield (25.11 kg/tree), fruit weight (22.24 g), aril weight (15.65 g) and minimum fruit cracking (5.08%). Lowest fruit drop percentage (60.91%) was however caused by application of ZnSO4 @ 0.4%.

scholarly journals Interactive Impacts of Plant Growth Regulators And Fertigation on Quality of Pomegranate (Punica Granatum L.) In Sub-Humid Agro Ecological Zone of Rajasthan

2021 ◽  
Vol 50 (3) ◽  
pp. 623-631
Author(s):  
Mahaveer Suman ◽  
MC Jain
Keyword(s):  
Plant Growth ◽  
Plant Growth Regulators ◽  
Growth Regulators ◽  
Punica Granatum ◽  
Fruit Weight ◽  
Ecological Zone ◽  
Fruit Cracking ◽  
Polar Diameter ◽  
Punica Granatum L

Individual and interaction effects of plant growth regulators and fertigation on quality of pomegranate were investigated. Maximum mean polar diameter (9.59 cm), equatorial diameter (8.10 cm), fruit weight (206.06 g),fruit volume (190.86 cc), number of arils per fruit (416.81), aril weight per fruit (146.35 g), weight of 100 arils (35.86 g) and aril per cent (70.92 %) along with minimum specific gravity (1.090), rind thickness (5.15 mm), rind per cent (29.09%) and fruit cracking (5.58%) were recorded in F2 (100 per cent RDF through fertigation). Similarly, spray of 100 ppm NAA (N2) and 250 ppm ethrel (E2) significantly influenced the above characteristics of fruit. Treatment combination of 100 ppm NAA + 150 ppm ethrel + 100% RDF through fertigation (N2E1F2) gave better quality fruit over other treatments including control. Bangladesh J. Bot. 50(3): 623-631, 2021 (September)

scholarly journals Effect of Irrigation Levels and Plant Growth Regulators on Cucumber (Cucumis sativus L.) under Poly House

2021 ◽  
pp. 36-41
Author(s):  
. Anita ◽  
R. K. Narolia ◽  
S. R. Bhunia ◽  
P. K. Yadav
Keyword(s):  
Plant Growth ◽  
Plant Growth Regulators ◽  
Water Use ◽  
Growth Regulators ◽  
Fruit Weight ◽  
Fruit Yield ◽  
Yield Attributes ◽  
Net Returns ◽  
Use Efficiency ◽  
Irrigation Levels

An experiment was conducted during the winter season of 2017-18 at College of agriculture, Bikaner to study the effect of irrigation levels and plant growth regulators on Cucumber under naturally ventilated Poly house condition. The experiment was laid out in split plot design with three replications. The treatments comprised of four drip irrigation levels (0.4, 0.6, 0.8 and 1.0 ETc or crop evapotranspiration) assigned to main plots and three plant growth regulators viz; water spray, NAA or Naphthalene Acetic acid (100 ppm) and GA3 (50 ppm) assigned to sub plots. The objectives of this study were to find out the effects of irrigation levels as well as plant growth regulators on yield attributes of cucumber and their interactions. Results indicated that earliness i.e. days to first flowering (35.40) and first harvest (52.00) were recorded maximum with 1.0 ETc as compared to other irrigation levels. The same treatment (1.0 ETc) significantly gave maximum fruit length (21.07 cm), number of fruits per vine (12.02), fruit weight (103.29 g), fruit yield (728.76 q ha-1) and net returns (765035.9 ha-1) with B:C ratio (2.46). However, water use efficiency (3.61 q ha-1 cm-1) was found maximum with 0.4 ETc. Among various plant growth regulators GA3 (50 ppm) recorded significantly higher yield attributes namely fruit length (21.63 cm), number of fruits per vine (12.34), fruit weight (99.48 g) and fruit yield (729.23 q ha-1). Water use efficiency, net returns and B:C ratio also exhibited higher values (2.57 q ha-1 cm-1, 765307.7ha-1 and 2.46, respectively) with same treatment. Similarly, earliness i.e. days to first flowering (34.19) and days to first harvest (50.70) were recorded with GA3. The treatment combination 0.8 ETc + GA3 (50 ppm) gave maximum value for fruit yield (793.93 q ha-1) per hectare.

scholarly journals Plant growth regulators to enhance fruit color of 'Gala' apples

2017 ◽  
Vol 52 (11) ◽  
pp. 1118-1122 ◽  
Author(s):  
Alberto Fontanella Brighenti ◽  
Douglas André Würz ◽  
Mateus da Silveira Pasa ◽  
Leo Rufato
Keyword(s):  
Abscisic Acid ◽  
Plant Growth ◽  
Plant Growth Regulators ◽  
Growth Regulators ◽  
Positive Control ◽  
Fruit Weight ◽  
Fruit Color ◽  
Soluble Solids ◽  
Flesh Firmness ◽  
Red Color

Abstract: The objective of this work was to investigate the effect of plant growth regulators for enhancing fruit color of 'Gala Standard' apples (Malus domestica). The experiment was carried out in the 2015 and 2016 crop seasons. The treatments consisted of water, as a control; 300 mg L-1 ethephon, as a positive control; 400 mg L-1 prohydrojasmonate; and 400 mg L-1 abscisic acid. Flesh firmness, soluble solids content, fruit weight, and red color were assessed after harvest. Plant growth regulators enhanced red color of fruit and chlorophyll degradation. Prohydrojasmonate and abscisic acid did not reduce flesh firmness, in the 2016 season.

Response of Centipedegrass (Eremochloa ophiuroides) to Plant Growth Regulators

1992 ◽  
Vol 6 (1) ◽  
pp. 113-118 ◽  
Author(s):  
B. Jack Johnson
Keyword(s):  
Plant Growth ◽  
Plant Growth Regulators ◽  
Growth Regulators ◽  
Vegetative Growth ◽  
Initial Treatment ◽  
Growth Suppression ◽  
Severe Injury ◽  
Eremochloa Ophiuroides

CGA 163935, paclobutrazol, and paclobutrazol plus mefluidide were evaluated for their growth regulating effect on centipedegrass over 3 yr. Paclobutrazol did not effectively suppress seedhead production or vegetative growth. Paclobutrazol plus mefluidide at 1.1 + 0.3 kg ai ha–1in each of two applications at a 2-wk interval suppressed seedhead development 77% (average of 3 yr) at 10 wk after the initial treatment without severe injury or loss of stand, but duration of vegetative growth suppression was variable (0 to 6 wk). CGA 163935 applied at 0.4 kg ai ha–1and followed by 0.2 kg ai ha–12 wk later suppressed vegetative growth of mowed and nonmowed centipedegrass for 10 wk, while suppressing seedhead production for 3 to 5 wk. CGA 163935 caused severe injury and stand loss of centipedegrass.

Effect of growth regulators and micronutrients on fruit cracking and fruit yield in pomegranate

2016 ◽  
Author(s):  
Rajpaul Yadav ◽  
Kuldip Kumar ◽  
M. S. Joon ◽  
B. S. Daulta
Keyword(s):  
Plant Growth ◽  
Field Experiment ◽  
Plant Growth Regulators ◽  
Growth Regulators ◽  
Lower Incidence ◽  
Fruit Set ◽  
Fruit Yield ◽  
Transverse Cracking ◽  
Fruit Cracking

A field experiment was conducted at Fruit Research Farm of Haryana Agricultural University, Hisar to evaluate the effect of micronutrients and plant growth regulators on fruit cracking and fruit yield in pomegranate cv. Jodhpur Red. The treatments comprising of two micronutrients (H3BO3 and ZnSO4 at 0.20, 0.40, 0.60 %), two growth regulators (2,4-D and NAA at 10, 20, 40 ppm) and water were applied fifteen and thirty days after fruit set. Occurrence of premature fruit cracking was more as compared to mature fruits during both the stages of application. Longitudinal (radial) cracking was more as compared to diagonal (transverse) cracking. 2,4-D and NAA at 10 ppm recorded significantly lower incidence of cracking than all other treatments. Highest fruit yield per acre (50.8 q) was obtained with NAA at 20 ppm when applied fifteen days after fruit set; while 2,4-D at 10 ppm recorded maximum fruit yield when applied thirty days after fruit set.

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