Original Article Postharvest Biology and Technology
1. Combined effect of low temperature and thickness of polypropylene package on shelf life and quality of oyster mushroom (Pleurotus ostreatus)

Md. Saidee Rahman; Md. Kamrul Hassan; Fakhar Uddin Talukder; Md. Sohanur Rahman; Mst. Mishu Akther

Volume 4, Issue 2 , Spring 2021, Pages 1-14

http://dx.doi.org/10.22077/jhpr.2020.3376.1144

Abstract
  Purpose: An experiment was conducted to determine a suitable thickness of polypropylene bag as a package and appropriate storage temperature that will enhance an extended shelf life and quality of oyster mushroom. Research method: The experiment consisted of eight treatments under two factors (temperature ...  Read More

Original Article Food Science and Technology
2. Effect of different drying methods and storage on proximate and mineral composition of fluted pumpkin leaf, Telfairia occidentalis Hook f.

Olusola Michael Obembe; Durojaye Olanrewaju Ojo; Kayode David Ileke

Volume 4, Issue 2 , Spring 2021, Pages 15-24

http://dx.doi.org/10.22077/jhpr.2020.3414.1145

Abstract
  Purpose: The leaves of Telfairia occidentalis is affected by the various methods of drying and storage employed after harvest. This research work is therefore designed to determining the best drying method for the preservation of Telfairia occidentalis using the mineral and proximate constituents as ...  Read More

Original Article Postharvest Biology and Technology
3. Combination effect of citric acid and hot water treatment on the quality of pulp and pericarp of rambutan fruit

Alex Guimarães Sanches; Ricardo Patrese Jorge Repolho; Edmarcos Xavier dos Santos; Keila Sousa Lima; Carlos Alberto Martins Cordeiro

Volume 4, Issue 2 , Spring 2021, Pages 25-36

http://dx.doi.org/10.22077/jhpr.2020.3522.1153

Abstract
  Purpose: The oxidation of pericarp is the main one that affects the quality and acceptance of rambutan by consumers, thus, this study aimed to evaluate the isolated and combined effect of hot water and citric acid on the postharvest quality of pericarp and pulp of rambutan stored under refrigeration. ...  Read More

Combination effect of citric acid and hot water treatment on the quality of pulp and pericarp of rambutan fruit


Original Article Biological Control
4. Chitinase production by Fusarium species in Iran

Maryam Afsarzadeh Laien; Abbas Mohammadi

Volume 4, Issue 2 , Spring 2021, Pages 37-50

Abstract
  Purpose: Chitin is a structural, long_chain polysaccharide of N-acetylglucosamine subunits with beta 1,4 glycosylated bonds and the second post-cellulose polysaccharide in nature. Chitinases enzymes are capable of degrading chitin, plays essential roles in the decomposition of chitinous wastes, can be ...  Read More

Chitinase production by Fusarium species in Iran


Original Article Olericulture
5. Effects of different tillage systems on the emergence of okra in Wukari, Taraba State, Nigeria

Ezekiel Ambo Mamai; Tanko Bako; Danasabe Dinvala P.

Volume 4, Issue 2 , Spring 2021, Pages 51-62

http://dx.doi.org/10.22077/jhpr.2020.3425.1147

Abstract
  Purpose: This study aimed to investigate the effect of different tillage methods on the emergence of okra. Research method: The study was carried out at the teaching and research farm of the Federal University, Wukari, Taraba State in July 2018. Tillage treatments in the study were no-tillage, disc plowing, ...  Read More

Original Article Stored Products
6. Effects of chlorpyriphos on the alpha-amylase activity in the in vivo and in vitro conditions: Case study: Sitophilus oryzea

Mohammad Saadati; Zahra Rafiei

Volume 4, Issue 2 , Spring 2021, Pages 63-72

http://dx.doi.org/10.22077/jhpr.2020.3343.1142

Abstract
  Purpose: Insect-insecticide interaction, as a dynamic system, increases our knowledge to improve chemical application. Although modes of action in the most insecticides is obvious (direct action) but the other targets which may be affected after treatment are not determined (indirect action). In this ...  Read More

Review Article Postharvest Biology and Technology
7. Breadnut (Artocarpus camansi Blanco): A review of postharvest physiology, quality management, processing and utilization

Majeed Mohammed; Lynda Wickham

Volume 4, Issue 2 , Spring 2021, Pages 73-92

http://dx.doi.org/10.22077/jhpr.2020.3673.1164

Abstract
  Purpose: This paper provides an in-depth critical review and analysis of recent research undertaken to optimize quality during harvesting, postharvest handling, processing and utilization of breadnut (Artocarpus camansi Blanco). Findings: This treatise provided a comprehensive review on the significance ...  Read More

Breadnut (Artocarpus camansi Blanco): A review of postharvest physiology, quality management, processing and utilization


Original Article Plant Breeding and Biotechnology
8. Genetic diversity of country bean (Lablab purpureus) genotypes collected from the coastal regions of Bangladesh

M. M. Rahman Shibli; M. Golam Rasul; A. K. M. Aminul Islam; M. M. H. Saikat; M. Moynul Haque

Volume 4, Issue 2 , Spring 2021, Pages 93-104

http://dx.doi.org/10.22077/jhpr.2020.3282.1135

Abstract
  Sixty one country bean genotypes collected from the coastal region of Bangladesh and were evaluated for the genetic divergence of yield and yield traits. Research method: Divergence analysis was performed by Mahalanobis D2 statistics using Genstat 4.2 program. Findings: The results of the univariate ...  Read More

Original Article Plant Breeding and Biotechnology
9. Evaluation of heterosis and important traits in new hybrids of Iris germanica in F1

Mohammad Hossein Azimi

Volume 4, Issue 2 , Spring 2021, Pages 105-116

http://dx.doi.org/10.22077/jhpr.2020.3539.1154

Abstract
  Purpose: The purposes of this research were to assess important traits and heterosis and to introduce superior hybrids of Iris germanica.Research method: 28 hybrids and seven parents of Iris rhizomatous were evaluated. The experiment was carried out in a randomized complete block design (RCBD) with three ...  Read More

Original Article Biotechnology and Tissue culture
10. In vitro multiplication and rooting of GF677 rootstock

Mohammad Matani Borkheyli; Seied Mehdi Miri; Amrollah Nabigol

Volume 4, Issue 2 , Spring 2021, Pages 117-126

http://dx.doi.org/10.22077/jhpr.2020.3608.1157

Abstract
  Purpose: Micropropagation of GF677 rootstock, the most widely clonal rootstock used in peach orchards, is an important method for large-scale production of disease-free plants. In this research, effects of media, plant growth regulators and carbohydrates in order to optimize the efficient micropropagation ...  Read More

In vitro multiplication and rooting of GF677 rootstock