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Agronomy
Volume 10
Issue 11
10.3390/agronomy10111659
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Article
Peer-Review Record

Increasing Growth of Lettuce and Mizuna under Sole-Source LED Lighting Using Longer Photoperiods with the Same Daily Light Integral

Agronomy 2020, 10(11), 1659; https://doi.org/10.3390/agronomy10111659
by Shane Palmer and Marc W. van Iersel *
Reviewer 1: Anonymous
Reviewer 2: Anonymous
Agronomy 2020, 10(11), 1659; https://doi.org/10.3390/agronomy10111659
Submission received: 9 October 2020 / Revised: 23 October 2020 / Accepted: 24 October 2020 / Published: 28 October 2020
(This article belongs to the Special Issue Role of Vertical Farming in Modern Horticultural Crop Production)

Round 1

Reviewer 1 Report

Dear Authors,

The study proposed in the paper “Increasing Growth of Lettuce and Mizuna Under Sole-Source LED Lighting using Longer Photoperiods with the Same Daily Light Integral” investigated the effect of photoperiodic manipulation, using the same daily light integral, on leaf characteristics, canopy light interception, photosynthesis, biomass production, and plant yield potential, in two leafy greens: lettuce and mizuna.

Longer photoperiods with a lower PPFD increase the growth of lettuce and mizuna by increasing light interception and the quantum yield of photosystem II. To accomplish the objectives of the work, some essential photosynthetic and growth characteristics are considered. The experimental design, as well as the statistical analysis of data, were appropriate, so the conclusions are supported by the results. In general, the paper showed a required background and level for Agronomy, and in my opinion, it could be considered for publication with minor revision, listed below:

  • In Introduction verify the spacing between words after reference [4]
  • In Figure 5, correct the y-axis title
  • Verify the citation of references in the paper, i.e. reference n 7, 8, 22, 29, 40, 41 (the names of the authors are shown in capital letters) and n 9 (the names of authors are missing).

 

Author Response

Revisions requested by the reviewer were minor and all of them have been made. I also found a duplicate citation, which I removed.

Reviewer 2 Report

This is a really important and interesting paper presenting effects of photoperiod on growth of leafy vegetables. Introduction, methods, results and discussion are well presented. The only comment is that reference list should be improved and adapted to the journal style. Also, the email address of the first author is missing.

Author Response

I looked at all citations and changed the case where needed. Hopefully all citations are now correct.

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