Chat GPT not reliable !
Sunil Godbole
Retired on Sep 2024 as General Manager: Strategies and Planning at Fresh Express Logistics Pvt. Ltd.
For my two questions, Chat-GPT answers are totally opposite.
Q1. is it true that Grapes are sensitive to ethylene gas?
A1: Yes, it is true that grapes are sensitive to ethylene gas. Ethylene is a natural plant hormone that plays a role in ripening and senescence of fruits and vegetables. When exposed to ethylene gas, grapes can start to ripen and deteriorate more quickly, leading to a shorter shelf life and reduced quality.
Ethylene is produced by many fruits and vegetables as they ripen, and it can also be released from certain materials, such as plastics and cardboard, especially when they are exposed to high temperatures or moisture. Therefore, it is important to store grapes away from ethylene-producing fruits and vegetables, such as apples, bananas, and tomatoes, during transportation and storage.
In addition, some post-harvest treatments involve exposing fruits to ethylene gas to promote ripening. However, this treatment is not recommended for grapes, as it can cause premature ripening, softening, and decay, leading to reduced quality and shelf life.
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Q2: Fruits that do not ripen after harvest are sensitive to ethylene and are called non-climacteric.
A2: Actually, it's the opposite. Fruits that do not ripen after harvest are called non-climacteric, and they are not sensitive to ethylene gas. Examples of non-climacteric fruits include strawberries, cherries, grapes, and citrus fruits.
In contrast, climacteric fruits such as apples, bananas, pears, and tomatoes continue to ripen after harvest and are sensitive to ethylene gas. Exposure to ethylene gas can trigger the production of more ethylene, leading to a self-amplifying ripening process that can cause the fruit to become overripe or spoil more quickly.
It's important to note that there are some exceptions to this generalization. For example, avocado is a climacteric fruit, but it does not respond to exogenous ethylene during ripening. Similarly, some non-climacteric fruits such as kiwifruit and mango can be induced to ripen with ethylene treatment. However, as a general rule, non-climacteric fruits do not respond to ethylene gas in the same way as climacteric fruits.