Wild relatives to improve heat tolerance of cultivated quinoa (Chenopodium quinoa Willd.)

Quinoa (Chenopodium quinoa Willd., 2n = 4x = 36, AABB genome) is well-known for its high nutritional value and adaptability to marginal environments, but it is still mainly cultivated in relatively cool areas due to sensitivity to extended periods of high temperatures, particularly during the reproductive stages. The two AABB tetraploid wild relatives of cultivated quinoa, C. berlandieri and C. hircinum, can be found growing in hot lowland environments of North and South America, respectively, and may serve as a source of heat tolerance for introgression into cultivated quinoa. In our work, wild C. berlandieri showed the best yield performance under field heat conditions in late planting, followed by lowland quinoa, C. hircinum, and highland quinoa. The yield advantage of C. berlandieri at high temperatures was achieved by plants being able to maintain grain number at high temperatures better than the other genotypes. Further comparison between seed setting and pollen viability found po..., , # Wild relatives to improve heat tolerance of cultivated quinoa (*Chenopodium quinoa* Willd.)

Dataset DOI: [10.5061/dryad.d7wm37qbx](10.5061/dryad.d7wm37qbx)

## Description of the data and file structure

This is our data generated for our manuscript.

### Files and variables

#### File: FieldData.xlsx

**Description:** 

This Excel file has three sheets. Please note: empty cells in these files mean data were not available due to an unexpected reason (like dead plants, therefore no sample for analysis, or other logistic issues)

1.\"FieldRawData\", all the raw data collected;

2.\"FieldP3vP1\", data of planting date 3 (P3) relevant to P1 from field experiment;

3.\"FieldEmmeans\", estimated means for all traits from the field experiment;

##### Variables for \"FieldRawData\"

* Block: block# of experiment design
* Plot: plot#
* SubPlot: subplot with three planting dates
* Gcode: genotype code
* Genotype: genotype name
* Group: grouping of genotypes
* Pdate: planting date
* Unique code: code c...,