CPSC 112 Lecture Notes - Lecture 4: Soil Structure, Monocotyledon, Inoculation

• School: University of Illinois
• Department: Crop Sciences
• Course: CPSC 112
• Professor: C Pittelkow

Document Summary

Lecture 4: seed germination and emergence: composition, first part of composition is to eat the seed, reproduction, stored and put in the soil again in order to grow again. Modern crops have a long history of genetic modification. Dependent on people for dispersal and survival. Stored nutrition for young plant (food reserves) Water has to get inside the seed. Seed coating begins to crack and let moisture/oxygen in. Corn 35 % overall, 60% embryo. Uptake: water is rapidly absorbed and the declines linearly. What this means is that the period most important for planning is the soil moisture and temperature at planting. Water temperature: induced chill injury - put on ice following soaking (pre-germination) in regular temp water. Seeds are vulnerable to the temperature that it is taking in. The life inside of the seed that transitions a dormant seed into an actively growing seed. Once the water comes in the enzymes activate respiration.