Two field experiments were conducted at private farm in Belqas, Dakahlia Governorate, Egypt during the two summer seasons of 2016 and 2017 to study the effect of irrigation intervals and foliar application of different antitranspirants i.e., silicone in from of potassium silicate K 2 SiO 3 (1000 ppm), chitosan (150 ppm) and glycine betaine (700 ppm) and their interactions on vegetative growth characters, pod yield, quality traits and chemical constituents of okra (Balady cultivar). The results showed that short irrigation intervals (10days) significantly increased number of leaves/plant, fresh and dry weight (g) as well as leaf area/plant, pod yield/plant, total pod yield (ton/feddan), pod length, chlorophylls a, b, total chlorophyll and chlorophyll a/b ratio of okra leaves and vitamin C, carbohydrate, protein, total sugars contents of okra pods compared with (irrigation at 20 days), except total soluble solids (TSS %) which had the highest significant values at 20 days irrigation intervals compared with 10 days irrigation intervals. Spraying with all foliar applications led to significant increase all the studied parameters compared with control treatment in both seasons. The superior application was chitosan in particular 150 ppm followed by glycine betaine followed by silicon while control treatment recoded the lowest values in both seasons, respectively, glycine betaine in particular 700 ppm gave the highest values of TSS of okra pods followed by chitosan followed by silicon while control treatment recoded the lowest value. From the obtained results, it could be concluded that Balady cultivar of okra plant which irrigated at 10 days interval and sprayed with chitosan at 150 ppm four times, i.e., 20 days after sowing and repeated each 10 days interval, respectively recorded the highest values of all studied traits of okra plant compared to other treatments, except Total soluble solids (TSS %) which had the highest significant values of okra pods with the interaction between (irrigation every 20 days interval × foliar sprayed by 700 ppm of glycine betaine) during both seasons.
The current study was conducted at tissue culture laboratory of Vegetable and Floriculture Department, Faculty of Agriculture, Mansoura University during the period from 2010-2012. A protocol is described for rapid and large-scale propagation of the sweet potato (Ipomoea batatas) by in vitro culture of shoot tips or nodal segments as explants. The best sterilization method for the explants was observed by using Hg Cl2 at 0.1 % for 14minutes and70%ethanol for 30 seconds. Nodal segments were found to be more efficient than shoot tips for sweet potato shoots regeneration on MS medium (Murashig and skoog, 1962) supplemented with 2ip at 4 mg/l + 0.5 mg/l GA3. Adding activated charcoal (AC) to the culture medium at 2 mg/l was the most effective treatment to avoid of browning phenomenon occurrence (0.00%). Among the five different cytokinins Thidiazuron (TDZ), kinetin (kin), 6-benzyl aminopurine (BAP),-N6-(2-isopentenyl) adenine 2ip and phloroglycenol (PG) and four concentrations of each, TDZ at 1.00 mg/l gave the best results for shoots multiplication. Concerning the rooting stage, Indole-3-acetic acid (IAA) at 2.0 mg/l clearly in henced roots development. Mixture of peat moss :vermiculite : perlite (1:1:1 v/v/v) recorded the highest results for survived plantlets in terms of survival percentage,
The inheritance studies of some quantitative and qualitative characteristics of tomato were carried out using a half diallel crosses mating design to obtain 15 crosses among 6 genotypes. General (GCA) and Specific (SCA) combining abilities were significant or highly significant for all studied traits. The large magnitude of (GCA) for the vegetative, and total soluble solids (TSS %) traits suggested the importance of additive genetic effects, while the large magnitude of (GCA) and (SCA) for fruit set percentage (FS %), earliness, total yield, average fruit weight (AFW), fruit firmness (FF), number of locules per-fruit (NL/F) and fruit thickness (FT) suggested the importance of additive and nonadditive genetic effects. B5357 cultivar (P5) was a good combiner for plant height (PH), fruit set percentage (FS %), early fruit number (EFN), total fruit number (TFN), total fruit weight (TWF) and total soluble solids (TSS %). Edkawy cultivar (P2) also, was a good combiner for number of branches per plant (NB/P) and number of locules per-fruit (NLF) while Fline cultivar (P6) was a good combiner for average fruit weight (AFW), fruit firmness (FF), and fruit thickness (FT).
Two field experiments were carried out at Mansoura Agriculture Research Station during the two seasons of (2014 / 2015) and (2015 / 2016) to study the effect of spraying micro elements in combination with Bio. and organic fertilization on garlic production. The treatments tested are Zn at 60 Ppm , Mn at 60 Ppm , Fe at 80 Ppm and Zn + Mn + Fe at 60-60-80 Ppm respectively were sprayed on garlic plants grown in plots treated with Bio fertilizer (Nitrobin + Phosphorin) and combined with organic fertilizer at rate of 10 m 3 / Fed. + 50 % of the recommended dose of chemical fertilizer and 100 % chemical fertilizer. The results indicated that chemical fertilizers at 100 % and 50 % (FYM) + 50 % chemical fertilizers have insignificant effect on plant height, bulbing ratio and bulbing diameter in the two years. While number of leaves and neck diameter were higher in the first season .as affected by 50 % (FYM) + 50 % (chemical fertilizers). Moreover 100 % chemical fertilizers give less yield than 50 % (FYM) + 50 % (chemical) in the two years. Bio-fertilizers treatments give higher yield than treatments without Bio fertilizers. However, number of leaves was higher in the Bio fertilizers treatments but neck diameter, bulbing diameter and bulbing ratio were not affected in the two yearsAs for spraying with microelements (Zn, Mn, Fe) all parameters were affected significally in the two years. Since microelements give rise to higher values in vegetative growth and total yield (Ton / Fed). The results indicated that the triple interactions have no effect on all vegetative growth parameters in the two years but total yield was affected significally in the two years. Finally spraying garlic with (Zn + Mn + Fe) gives the highest yield under application of (nitrobin + phosporin) in combination with 50 % FYM + 50 % chemical fertilizers.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
hi@scite.ai
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.