Question

Effect of climate change on horticulture crops in shivamogga

Answer 1

Answer:

If agriculture is the main stay towards the emission of greenhouse gases induced climate change, horticultural crops have a much bigger role to play in countering the negative consequences of climate change by providing a better carbon trade and carbon sink. One of the most ominous physiological responses that accrue in response to climate change is the shortened growing period, causing distinctive reduction in production of fruits and vegetables. These responses will leave negative impact on growth and development of horticultural crops due to terminal heat stress and deprived soil water availability. Interventions seeking climate-smart horticulture are, therefore, felt an unwarranted necessity integrating location-specific and knowledge-intensive premise for improving production under such challenging environment. Crop-based adaptation strategies are needed keeping in view the nature of crop, its sensitivity level and the agro-ecological region. Simultaneously, keeping an eye on carbon sink potential of different horticultural crops vis-à-vis annual field crops will further aid in developing a blue print for redressal of climate change related issues.

Answer 2

• Climate change will alter the growth patterns and capabilities for flowering and fruiting of many perennial and annual horticultural plants.
• Vital resources such as water and nutrients may become scarce in some regions reducing opportunities for growing horticultural crops.
• Horticulture may be defined as the intensive cultivation and harvesting of plants for financial, environmental and social profit. Evidence for the occurrence of climate change more generally and reasons why this process is happening with such rapidity are discussed.
• These changes are then considered in terms of the effects which might alter the options for worldwide intensive horticultural cultivation of plants and its interactions with other organisms. Potentially changing climates will have considerable impact upon horticultural processes and productivity across the globe .
• Climate change will alter the growth patterns and capabilities for flowering and fruiting of many perennial and annual horticultural plants. In some regions perennial fruit crops are likely to experience substantial difficulties because of altered seasonal conditions affecting dormancy, acclimation and subsequent flowering and fruiting.
• Elsewhere these crops may benefit from the effects of climate change as a result of reduced cold damage and increased length of the growing season. There will be considerable effects for aerial and edaphic microbes invertebrate and vertebrate animals which have benign and pathogenic interactions with horticultural plants. Microbial activity and as a consequence soil fertility may alter.
• New pests and pathogens may become prevalent and damaging in areas where the climate previously excluded their activity. Vital resources such as water and nutrients may become scarce in some regions reducing opportunities for growing horticultural crops. Wind and windiness are significant factors governing the success of horticultural plants and the scale of their impacts may change as climate alters. Damaging winds could limit crop growing in areas where previously it flourished.
• Forms of macro- and micro-landscaping will change as the spectrum of plants which can be cultivated alters and the availability of resources and their cost changes driven by scarcities brought about by climate change. The horticultural economy of India as it may be affected by climate change is described as an individual example in a detailed study.

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