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AGR3301 Crop Physiology Practical: Seed Viability and Moisture Content

Updated: Apr 8

Practical manuals


Example of Lab Reports


Welcome to the crop physiology practical for the Seed Viability and Seed Moisture Content practical sessions of the Crop Physiology (AGR3301) course! Accurate assessment of seed quality is vital for predicting crop performance and ensuring optimal storage.


We demonstrate and compare three distinct approaches for assessing the seed viability:

1. Tetrazolium (TZ) Test (Chemical/Quick Test): Learn how to use this rapid chemical method to visually confirm active respiration in the embryo. Viable embryos turn red, indicating potential for germination.


2. Paper Towel Method (Conventional Test): We set up the standard germination test using moist paper towels to determine the percentage of normal seedlings that develop under ideal conditions.


Seed Moisture Content (MC):

1. Slow Sun Drying (Sun dry for 7 days)

2. Rapid Oven Drying (130 °C for 1 hour)


Keywords: Seed Viability, Seed Moisture Content, Tetrazolium Test, TZ Test, Seed Germination, Seed Storage, AGR3301, Lab Practical, Maize, Bean, Oven Drying Method, Seed Quality.


Location:

Faculty of Agriculture, Universiti Putra Malaysia

Fakulti Pertanian, Universiti Putra Malaysia, 43000 Seri Kembangan, Selangor

2.983567621706455, 101.73466120334834


Attribution 4.0 International — CC BY 4.0 - Creative Commons

22 Comments


Comments for Group Ubi Kayu:13/20 (Moisture) --> (19/20)

Resubmission: ❌ Issues Still Not Fixed


  • Graph x-axis label "Drying Metod and Seed Type" — misspelled, should be "Method"

  • Oven still lacks manufacturer/model number (line 112)

  • "Weighted" should be "weighed" (rapid drying step 5 photo table, and slow drying step 4 photo table)


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Resubmission-2-: --> (20/20)


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Comments for Group Veronica:13/20 (Moisture)


The table of contents does not carry a heading at all, and the heading for the Results section in the table of contents is singular rather than plural. (line 19) The table of contents page begins at line 19 with the table itself, but there is no "TABLE OF CONTENTS" heading above it. Additionally, the table lists "RESULT" rather than "RESULTS," and this singular form is carried through to the actual section heading at (line 176). You need to add a "TABLE OF CONTENTS" heading above the table and correct both instances to read "RESULTS."


The table of contents omits section numbers from every entry. (line 19) Entries are listed as "INTRODUCTION," "OBJECTIVES," "MATERIALS AND METHODS," and so on,…


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Comments for Group Imut People:17/20 (Moisture) --> (19/20)

Resubmission: ❌ Issues Still Not Fixed


(1) The References list still uses a numbered format (1., 2., 3. etc.) which is not APA 7th edition style (lines 182–207). You need to remove the numbers and present entries as an alphabetical hanging-indent list.

(2) The Abstract states the oven temperature as "130°C" without a space before the unit (line 22). It should read "130 °C." The same applies in the Methods photo-caption step 3 (between lines 81 and 82), which reads "130°C." Check the entire document and add the required space consistently.

(3) The Methods step 2 photo-caption for both fast and slow drying reads "The step is repeated for other seeds" in the present tense (between…


Edited
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Resubmission-: --> (20/20)


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Comments for Group Imut People:15/20 (Viability)--> (17/20)


Resubmission: ❌ Issues Still Not Fixed


(1) "et al," throughout Introduction and Discussion still missing the period — should be "et al.," (lines 53, 60, 63, 71, 196, 201, 206, 216).

(2) "favorable" in the Discussion should be "favourable" (line 209).

(3) Step 3 of the TZ Methods still says "cross section area" despite the cut now being described as longitudinal in step 2 — needs correcting to "the exposed inner surface" or similar (between lines 99 and 100).

(4) Step 5 Methods caption contains a present-tense error: "are taken out" should be "were taken out" (between lines 99 and 100).

(5) Temperature still written as "35 degrees" and "35°C" without the required space — should be "35 °C"…


Edited
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Resubmission-2-: --> (18/20)


  • Reference list author names are given in full first-name format instead of standard APA surname-initial style: "Reagan C. Reed" (line 310), "Sanjay Kumar" (line 313), "Shuonan Wang" (line 319).

  • Section 5.1 "LIMITATION AND EVALUATION" largely repeats the Discussion narrative rather than identifying distinct methodological constraints such as small sample size per replication, single-operator subjectivity in staining interpretation, or limited number of replications (lines 251–269).

  • Conclusion restates Discussion content almost verbatim rather than synthesizing results against the stated Objectives (lines 280–297).

  • Reed (2022) reference uses a Nature article URL rather than a formatted DOI link (lines 310–312).

  • Kumar (2023) reference uses a Springer chapter URL rather than a formatted DOI link (lines 313–315).

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Comments for Group Matcha Latte:16/20 (Viability)


The cover page omits the group name entirely (line 17). While the student names and matric numbers are present, there is no group label identifying this as Group ML. You should add the group name clearly to the cover page.


The cover page uses the Malay label "NAMA PELAJAR" rather than an English equivalent (line 17). Since the report is written entirely in English, the cover page table should also be in English: the cell label should read "NAME" or "STUDENT NAME" to be consistent with the rest of the document.


"TABLE OF CONTENT" should be "TABLE OF CONTENTS" (line 21). The standard academic heading is the plural "CONTENTS." You should correct this.


The Table of Contents lists "3.0 MATERIALS…


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Comments for MATCHA LATTE ReSubmission-1: (Marks: 17/20)


  • Abstract (lines 46–57) — still lacks any numerical results; needs to include key figures such as average TZ viability percentages for corn and bean, average germination percentages by the paper towel method, and SEOM values.

  • Cover page — group name is still missing entirely.

  • Line 91 — oven is still listed only as "Oven (35°C)" without manufacturer, model, or precision.

  • Lines 170–171 vs page 8 Methods table — Discussion/Limitations still states the germination period used was five days, while the Methods section states seven days; this inconsistency needs to be resolved (either correct the Discussion to reflect seven days, or clarify which duration was actually used).

  • Table 1 caption (lines 109–110) — still not in APA 7 format;…

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