12 - Pests Flashcards
What factors determine the suitability of a vineyard site for irrigation?
The suitability of a vineyard site for irrigation is determined by soil type, natural precipitation during the growing season, crop size, grape type, and the method of water application.
What is the effect of water stress on grapevines?
Water stress in grapevines can lead to reduced shoot growth, leaf yellowing, and a decrease in fruit set and berry size. Severe water stress can cause berry shrivel and reduced yield.
How does regulated deficit irrigation (RDI) benefit grapevines?
Regulated deficit irrigation (RDI) benefits grapevines by providing controlled water stress during specific growth stages, promoting better fruit quality, reducing vegetative growth, and improving water-use efficiency.
What is the purpose of irrigation scheduling in vineyards?
The purpose of irrigation scheduling in vineyards is to determine the optimal timing and amount of water to apply, ensuring that grapevines receive the right amount of water at the right time to maximize fruit quality and yield.
What are the common methods of irrigation used in vineyards?
Common methods of irrigation used in vineyards include drip irrigation, micro-sprinklers, furrow irrigation, and overhead sprinklers. Drip irrigation is the most widely used method due to its efficiency and precision.