Abiotic in-crop constraints for wheat

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Poor seed-soil contact

Constraint - Poor seed-soil contact

Symptoms

  • Poor seed contact with soil can reduce uniformity of germination
  • Poor or inconsistent crop establishment can result
  • Crops sown into soils with low or narrow zone of moisture can be more affected

Damage   

  • Poor emergence can result 
  • Yield loss is variable as crop tillering may compensate for reduced plant numbers
  • Compensation will not recover yield potential in area of minimal establishment

Management

Resowing may be an option if sowing date agronomy is not limiting. An estimate of yield potential, and cost of re-establishing the crop should be economically assessed.

 

Links and Resources

DAFWA - Poor seed-soil contact

What to look for in paddock and on plant, what else could it be, where did it come from, and management strategies. Page last updated 2014.

DEPI VIC - Growing wheat - Seedbed preparation

Distribution of production, wheat quality, paddock selection and crop sequence, seedbed preparation, sowing, varieties, depth of sowing, seeding rate, seed dressings, crop nutrition, crop management, weed management, and marketing. Published 1996, reviewed 2010, updated 2012, reviewed 2012.