Maturity Indices Eggplant fruit are harvested at a range of developmental stages. Depending on cultivar and temperature, the time from flowering to harvest may be 10 to 40 days. Generally fruit are harvested immature before seeds begin to significantly enlarge and harden.
What is the method of determining maturity of eggplant?
To test eggplant fruit for maturity, press the fruit with your thumb; if the flesh springs back it’s green and not ripe; if your thumb leaves an indentation, the fruit is overripe; the best tasting eggplant will be in between.
What is the maturity index?
The maturity index for a commodity is a. measurement or measurements that can be. used to determine whether a particular example of the commodity is mature. These indices are important to the trade in fresh fruits and vegetables for several reasons.
What is the maturity index of radish?
Maturity Indices
The number of days post-seeding or emergence, which may vary from 30 to 70 days, depending on type, typically determines maturity. A minimum size standard for common red radish is 5/8 inch (1.6 cm) equatorial diameter.
What is the maturity index of cabbage?
At low elevations cabbage varieties mature in about 62 to 110 days from field setting and about 81 to 125 days at high elevations. 2. Solidity and firmness of head are the usual maturity characteristics used.
What is the maturity indices of onion?
Bulbs generally mature within 100-140 days from sowing, depending on the cultivar and the weather. Spring onions mature for harvesting after 35-45 days from sowing.
How will you determine maturity indices?
Maturity indices are the sign or indication of the readiness of the commodity for harvest.
Determination of maturity
- Physical methods: Size, shape, color, texture, etc.
- Chemical methods: Total Soluble Solids (TSS), acidity, etc.
- Physiological methods: Respiration and ethylene production.
What are the maturity indices of vegetable crops?
2.1. 1 Maturity index for fruits and vegetables
- Skin colour: This factor is commonly applied to fruits, since skin colour changes as fruit ripens or matures.
- Optical methods:
- Shape:
- Size:
- Aroma:
- Fruit opening:
- Leaf changes:
- Abscission:
What is the maturity indices of potato?
Potatoes are harvested when they attain sufficient size. Early varieties 57 to 100 days, late varieties 120- 160 days. 2. Skin slipping from the tuber, starch content and leaf senescence or top drying are the harvest indices.
What is the maturity indices of cucumber?
Cucumber PDF
Firmness and external glossiness are also indicators of a pre-maturity condition. At proper harvest maturity, a jellylike material has begun to form in the seed cavity. Table or slicing cucumber quality is primarily based on uniform shape, firmness and a dark green skin color.
What is the maturity index of carrot?
Bunched: 10-14 days. Immature roots: 4-6 weeks. Mature roots: 7-9 months. Fresh-cut (Lightly processed): 3-4 weeks.
What is the maturity index of bell pepper?
Then, harvested fruits were classified according to the maturation stage based on fruits color on the outside, e.g. completely green (20 to 40 DAA); yellow (45 to 50 DAA), red (55 to 65 DAA) and intense red (70 to 75 DAA).
What is the maturity index of lettuce?
Farmers use the number of days after transplanting as an objective index of harvest maturity. Based on their experience, leaf lettuce is harvested at 30 to 35 days after transplanting, while head lettuce is harvested 45 days after transplanting.
What is the maturity indices of banana?
A bunch usually takes 90-120 days to mature after shooting, depending on climate and cultural practices. The maturity of banana is indicated by drying of top leaves, change in colour of fruits from dark green to light green and tendency of the floral end of the fruit to fall by slightest touch by hand.
What is the maturity index of watermelon?
Maturity Indices
The ground spot (the portion of the melon resting on the soil) changes from pale white to a creamy yellow at proper harvest maturity. Another indicator used at harvest include a wilted but not fully desiccated vine tendril proximal to the stem-end attachment.
What is the maturity index of cauliflower?
Maturity Indices
Cauliflowers are selected for size and compactness of the head or curd. Mature curds are at least 15 cm (6 inches) in diameter. Loose or protruding floral parts, creating a ‘ricy’ appearance, are a sign of overmaturity.
What is the maturity indices of garlic?
Quality Indices
High quality garlic bulbs are clean, white (or other colors typical of the variety), and well cured (dried neck and outer skins). The cloves should be firm to the touch. Cloves from mature bulbs should have a high dry weight and soluble solids content (>35% in both cases).
What is the maturity indices of pineapple?
There are several measures of pineapple maturity: surface colour, fruitlet flatness and internal appearance. Fruit Surface Colour Pineapples change from green to yellow to reddish-brown as they mature. Pineapples harvested in the full green colour stage are often immature with a low sugar content and poor flavour.
What is neck fall in onion?
Onion neck rot is a disease of onions and shallots caused by the fungus Botrytis allii. Plants infected by the fungus usually appear perfectly healthy whilst the crop is growing. Symptoms are not usually seen on the bulbs until they have been in store for several weeks.
What is maturity index of fruit and vegetables?
Maturation is indicative of the fruit being ready for harvest. At this point, the edible part of the fruit or vegetable is fully developed in size, although it may not be ready for immediate consumption. Ripening follows or overlaps maturation, rendering the produce edible, as indicated by taste.
What are maturity indices of fruits and vegetables?
Maturity indices are the sign or indication the readiness of the commodity for harvest. It is the basis for determining harvest date. A. Physiological maturity: It refers to the stage in the development of the fruits and vegetables when maximum growth and maturation has occurred.