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- Title
The Distribution of Relative Light Intensity in a Peach Tree Canopy Affects Fruit Yield and Texture.
- Authors
Zhaoyuan WANG; Qihang TIAN; Yong GUO; Ruifeng CHANG; Guojian LIU; Hu CHEN; Yonghong LI
- Abstract
light is crucial to the uniform production of high -quality fruit since it is the driving force for leaf photosynthesis and hence overall plant nutrition. The objective of this study was to evaluate the relationship between the distribution of relative light intensity in the peach tree ( Prunus persica) canopy and the yield and texture of peach fruits. The canopy of 7 -year-old ' Qiuyan' was divided into cubical volumes and the relative light intensity distribution was measured for each cube, along with yield distribution and fruit textural properties at different growing times. The relative light intensity decreased gradually from outside to inside the canopy and from top to bottom. The yield distribution and the relative light intensity were clearly correlated. The percentage of the canopy receiving < 30% relative light intensity was 49. 07% in May, 56. 02% in June, and 58. 95% in July, whereas the percentage receiving > 80% relative light intensity was 32. 72%, 17. 28%, and 10. 96%, respectively. Consistent with this, peaches were found in the upper and middle portions of the canopy, within l. 5 - 3. 0 m of the top. The regression equation showed that fruit texture index correlated significantly with relative light intensity. Relative light intensity is the main factor affecting peach yield and texture and must be above 41. 83 % for good peach quality. Orchardists should carefully plan summer pruning strategies to adjust the number and spatial distribution of branches accordingly.
- Subjects
LIGHT intensity; FRUIT texture; FRUIT yield; PEACH; PLANT nutrition; PRUNUS
- Publication
Agricultural Biotechnology (2164-4993), 2021, Vol 10, Issue 2, p141
- ISSN
2164-4993
- Publication type
Article