Reference no: EM133569879

Question 1. Why is it important to understand plant taxonomy classification and how can this assist in sustainable crop production?

a. Name the main differences between grain sorghum, sweet sorghum and forage sorghum.

b. A resource constrained farmer growing maize in Eastern Cape under rainfed with low rainfall and marginal soils approaches you and tell you that maize is no longer doing well under his farm. Some of the soil characteristic in his farm include waterlogging, high pH and low water holding capacity. Advise the farmer on why you believe grain sorghum will do well under his farm conditions.

c. Describe the different growth stages of grain sorghum and indicate what implications these have on the cultivation of the crop.

d. Birds can cause major damage to the sorghum crop. How can this be prevented/minimized?

Question 2. What are the main four disadvantages of monoculture in sunflower production?

a. List three crops which can be rotated with sunflower and explain why on each of the crop you listed.

b. In detail, describe how to manage broad leaves and grass weeds, under sunflower production.

c. The process of harvesting sunflower is regarded as critical. Explain why it is critical and suggest management practices that can minimize losses associated with harvesting sunflower.

Question 3. Describe the sprouting stage before planting and explain the impact of this on the production of the potato plant.

a. When does tuber initiation in the potato take place, and what factors influence this process?

b. Cultivar choice is important in potato production. List and describe five factors that should be considered when selecting a potato cultivar.

Question 4. Grape maturation and harvesting are important for the wine industry. State and discuss all the grape maturation phases and state what index show that grapes are ripen.

Outline quality determinants in viticulture.