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tutorials:radiation-model-in-crop_model9 [2025/10/31 13:57] – barley1965tutorials:radiation-model-in-crop_model9 [2025/10/31 14:11] (current) – barley1965
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 </code> </code>
 Note that a ''Flower'' that has not yet become a ''Fruit'', has two more chances to become one.   Note that a ''Flower'' that has not yet become a ''Fruit'', has two more chances to become one.  
-Availability of sugar is calculated by querying ''as'' of the nearest fruit before deciding on fruit formation.+Availability of sugar is calculated by querying ''as'' of the nearest ''Leaf'' before deciding on fruit formation.
  
 ===== Fruit Growth Competition ===== ===== Fruit Growth Competition =====
-Multiple fruits compete for available resources using an age-based weighting system (L. 209-225):+Multiple fruits compete for available resources using an age-based weighting system (L. 214-226):
 <code java> <code java>
 fr:Fruit ::> { fr:Fruit ::> {
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     float sugar = (totalAgeWeight > 0) ?      float sugar = (totalAgeWeight > 0) ? 
         (totalSugar * ageWeight) / totalAgeWeight : totalSugar / fruitCount;         (totalSugar * ageWeight) / totalAgeWeight : totalSugar / fruitCount;
-</code>+    </code>
  
-Younger fruits receive proportionally more resources through exponential age weighting, simulating their stronger sink strength.+Younger fruits receive proportionally more resources through exponential age weighting, simulating their stronger sink affinity (thereby compensating their smaller size).
  
 ===== Visual Feedback ===== ===== Visual Feedback =====
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 ===== Tasks for Exploration ===== ===== Tasks for Exploration =====
-1. Run the model and observe sugar flow: Watch how internodes change color as sugar moves through them. +  - Run the model and observe sugar flow: Watch how internodes change color as sugar moves through them. 
-2. Modify DIFF_CONST: Try values between 0.0001 and 0.01. How does this affect: +  - Modify DIFF_CONST: Try values between 0.0001 and 0.01. How does this affect: 
-o Speed of sugar movement? +  *     Speed of sugar movement? 
-o Final fruit size? +  * Final fruit size? 
-o Number of successfully developed fruits? +  * Number of successfully developed fruits? 
-3. Change transport frequency: Modify the condition if(time % 24 == 0) to different values (e.g., % 12 for twice-daily transport). What impact does this have? +  - Change transport frequency: Modify the condition if(time % 24 == 0) to different values (e.g., % 12 for twice-daily transport). What impact does this have? 
-4. Adjust maintenance respiration: Change MR from 0.01 to 0.05. How does increased respiration affect fruit development?+  - Adjust maintenance respiration: Change MR from 0.01 to 0.05. How does increased respiration affect fruit development?
  
 ===== Biological Relevance ===== ===== Biological Relevance =====
tutorials/radiation-model-in-crop_model9.1761915468.txt.gz · Last modified: 2025/10/31 13:57 by barley1965