scholarly journals Vegetative growth, yield, and fruit quality of guava (Psidium guajava L.) cv. Maamoura as affected by some biostimulants

BioResources ◽  
2021 ◽  
Vol 16 (4) ◽  
pp. 7379-7399
Author(s):  
Walid F. A. Mosa ◽  
Lidia Sas-Paszt ◽  
Krzysztof Górnik ◽  
Hayssam M. Ali ◽  
Mohamed Z. M. Salem
Keyword(s):  
Fruit Quality ◽  
Vegetative Growth ◽  
Irrigation System ◽  
Growth Yield ◽  
Psidium Guajava ◽  
Fruit Weight ◽  
Leaf Chlorophyll ◽  
Physical And Chemical ◽  
Control Water

The present study was performed during two successive seasons 2019 and 2020 to investigate the effect of the soil application of fulvic acid (FA), seaweed extract (SE), and their different combinations on vegetative growth, yield, and fruit quality of six-years-old guava (Psidium guajava L.) cv. ‘Maamoura’. The trees were planted 4 × 4 m2 apart in clay soil under a flood irrigation system. They were treated three times starting from mid-March with one-month intervals with the following treatments: Control (water only), 3 and 4 g/L FA, 3 and 4 g/L SE, and their different combinations; 3 g/L FA + 3 g/L SE, 3 g/L FA + 4 g/L SE, 4 g/L FA + 3 g/L SE, and 4 g/L FA + 4 g/L SE. The results clearly showed that the application of FA or SE solely or in combinations increased shoot length and diameter, as well as leaf chlorophyll compared with the control. The treatments also increased fruit set percentage, fruit yield, and fruit physical and chemical characteristics such as fruit weight, size, TSS%, total reduced and non-reduced sugars, as well as leaf mineral content, while they decreased the fruit acidity compared with the control in the two seasons.

scholarly journals Yield and fruit quality of Ziziphus jujuba L. trees as affected by preharvest foliar application of calcium and ascorbic acid

2020 ◽  
Vol 19 (5) ◽  
pp. 151-158
Author(s):  
Adel Mohamed Al-Saif ◽  
Mahmoud Abdel-Aziz Ahmed ◽  
Rashid Al-Obeed ◽  
Ahmed Said El-Sabagh
Keyword(s):  
Ascorbic Acid ◽  
Fruit Quality ◽  
Foliar Application ◽  
Fruit Weight ◽  
King Saud University ◽  
Experimental Station ◽  
Ziziphus Jujuba ◽  
Physical And Chemical ◽  
Control Water

The present study was carried out during the seasons of 2014 and 2015 at the Research and Agricultural Experimental Station, King Saud University, Saudi Arabia, to investigate the effects of foliar application of CaCl2 at 1 or 2%, Ca(NO3)2 at 0.5 or 1% and ascorbic acid at 50 or 100 ppm on yield and fruit quality of Ziziphus jujuba trees. All treatments were repeated twice (December 15 and January 15) before harvest date in both seasons. Treatments significantly improved yield and fruit physical characteristics (fruit weight, flesh weight, fruit volume, fruit length, fruit diameter and fruit firmness) in comparison to untreated control in both seasons. Fruit chemical characteristics (TSS, Acidity, total sugar contents, ascorbic acid, and total chlorophyll) were mostly improved by most tested treatments in both seasons over the control (water only). It can be concluded that foliar application with Ca(NO3)2 at 1% would be the best treatment to obtain highest yield, fruit physical and chemical composition of Z. jujuba.

scholarly journals Effect of plant growth regulators on growth, yield and fruit quality of strawberry (Fragaria x ananassa Duch.) under protected conditions

2017 ◽  
Vol 9 (3) ◽  
pp. 1676-1681
Author(s):  
Yash Thakur ◽  
J. S. Chandel ◽  
Pramod Verma
Keyword(s):  
Fruit Quality ◽  
Fruit Size ◽  
Foliar Spray ◽  
Growth Yield ◽  
Fruit Weight ◽  
Randomized Design ◽  
Completely Randomized Design ◽  
And Control ◽  
Control Water

A field trial was conducted during 2015 and 2016, to study the effect ofgrowth regulators on growth, flowering, yield and fruit quality of strawberry cv. Chandler. The experiment was laid out in completely randomized design with 16 treatments viz.CPPU at 1, 2 and 4 ppm, GA3 at 25, 50 and 75 ppm, Promalin at 2, 4 and 6 ppm, GA4+7 at 5, 10 and15 ppm, NAA at 10, 20 and 30 ppm and control (water spray) and each treatment was replicated thrice. The results revealed that the plants sprayed with 15 ppm GA4+7 two weeks before flowering significantly reported highest plant height (33.43 cm), leaf area (239.70 cm2), number of flowers (31.94), fruit set (87.45 %), number of fruits per plant (29.02), yield (540.01 g/plant), fruit length (53.63 mm) and fruit diameter (37.19 mm) and fruit weight (23.70 g) as compared to control. This treatment resulted in 196.36 % increase in yield and 56.22 %in fruit weight over control. Plants sprayed with 6 ppm promalin also showed significant improvement in vegetative growth, fruit size, yield and fruit quality, which resulted in 137.92 % increase in yield and 51.81 % increase in fruit weight over control. Hence, it is concluded that foliar spray of 15 ppm GA4+7 applied 2 weeks before flowering is beneficial in improving growth, yield and fruit quality of strawberry plants.

scholarly journals Effect of some Treatments on Vegetative Growth, Yield and Fruit Quality of Gold Nugget Mandarin Trees

2021 ◽  
Vol 12 (3) ◽  
pp. 193-199
Author(s):  
R. F. Mohamed ◽  
A. A. R. Atawia ◽  
H. E. M. EL-Badawy ◽  
A. M. Abd- Al-Rahman ◽  
S. F. EL-Gioushy
Keyword(s):  
Fruit Quality ◽  
Vegetative Growth ◽  
Growth Yield

scholarly journals Interactive Effects of Grafting Techniques and Scion-Rootstocks Combinations on Vegetative Growth, Yield and Quality of Cucumber (Cucumis sativus L.)

Agronomy ◽  
2019 ◽  
Vol 9 (6) ◽  
pp. 288 ◽  
Author(s):  
Rana Shahzad Noor ◽  
Zhi Wang ◽  
Muhammad Umair ◽  
Muhammad Yaseen ◽  
Muhammad Ameen ◽  
...  
Keyword(s):  
Cucumis Sativus ◽  
Fruit Quality ◽  
Vegetative Growth ◽  
Interactive Effect ◽  
Growth Yield ◽  
Fruit Yield ◽  
Lagenaria Siceraria ◽  
Cucumis Sativus L ◽  
Cucumber Fruit

The density of herbaceous crops creates a suitable environment to produce pathogens in the soil that intensify the attack of pathogens traditionally controlled by disinfectant, which are mostly prohibited and unlisted because of their toxicity. Grafting is an alternative technique to enhance abiotic stress tolerance and reduce root diseases due to soil-borne pathogens, thus enhancing crop production. This research study was conducted during the crop season of 2017 and 2018 in order to investigate the interactive effect of different grafting techniques of hybrid scion onto local rootstocks on plants survival, plant phenological growth, fruit yield and fruit quality under a controlled environment. The hybrid cucumber was also planted self-rooted. The cucumber (Cucumis sativus L.) cv. Kalaam F1, Syngenta was grafted onto four local cucurbitaceous rootstocks; ridge gourd (Luffa operculate Cogn.), bitter gourd (Momordica charantia L.), pumpkin (Cucurbita pepo L.), bottle gourd (Lagenaria siceraria (Molina) Standl.) using splice grafting, tongue approach, single cotyledon and hole insertion grafting techniques and self-rooted hybrid cucumber under greenhouse conditions. The experimental results indicated that all local cucurbitaceous rootstocks showed a high compatibility with hybrid cucumber scion in the splice grafting method compared to other grafting and non-grafted methods. Lagenaria siceraria rootstocks were found highly compatible with cucumber cv Kalaam scion which gave significantly maximum plant survival rates (95%) due to high sap contents, high SPAD value, better vegetative growth and maximum fruit yield when compared with other rootstocks by employing the splice grafting method followed by tongue approach, single cotyledon and hole insertion grafting while the fruit quality of all rootstocks was observed to be similar. The non-grafted cucumber cv. Kalaam F1 showed significant results of plant vegetative growth, fruit development and fruit quality and encountered grafting methods while the lowest result were associated with the hole insertion grafting method in all scion/rootstock combinations. The grafted plants have no significant effect on cucumber fruit dry matter and fruit quality while the fruit mineral compositions (N, P, K, Ca and Mg) were higher among grafted and non-grafted plant fruits. The results indicate that grafting hybrid cucumber onto four local cucurbitaceous rootstocks influenced growth, yield and fruit quality. Grafting can be alternative and control measure for soil-borne disease and to enhance cucumber production.

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