Older plants can tolerate drought. The guava planting should be done in pits of 1m x 1m x 1m size filled with mixture of FYM and soil during rainy season (July-August) or in spring (February-March) at a distance of 6 m x 6 m. Guava plants grown directly from seed give poor fruit yield and quality, and come into bearing late. Scrap the infected portion along with some healthy area and apply Bordeaux paste or copper oxychloride paste. Guava can be top worked to replace the unwanted trees with high yielding varieties of good quality. Guava (Psidium guajava), the apple of tropics, is one of the most common fruits in India. Inarching: Grafting of a large shoot while it is on the mother plant, so that a largely grown plant can be obtained as planting materials. This eliminates rainy season crop so that winter guava crop is heavy and of superior quality. Repeat sprays in March and June. 1st week of May for rainy season crop and 1st week of July for winter season crop. However, trees grown from cuttings or air-layers have no taproot and are apt to be blown down in the first . I t was concluded that the mean average graft-take percentage for all three grafting methods was 91.94%, independently of the environment. The photographs were registered to one another and measurements made before and after grafting using anthropometric landmarks. Orchards may be rejuvenated by drastic pruning. with Answer Key, Ebook: Agriculture Competitive Exam Questions with Answer Key for Food Science & Technology, Ebook: Agriculture Competitive Exam Questions with Answer Key on Horticulture, Ebook: Agriculture Competitive Exam Questions with Answer Key on Forestry, Ebook: Agriculture Competitive Exam - Agriculture Olympiad - Part 2 (General), Ebook: Agriculture Competitive Exam - Agriculture Olympiad - Part 1 (General), Ebook: Practical Manual For Fundamentals Of Horticulture - Adopt a Tree Plantation & Get Free, Book: Objective and Glossary of Horticulture Fruit Science, Strawberry Farming: Cultivation of Strawberry For Small and Marginal Farmers, Cultivation of Mango in Ultra High Density Mango Plantation, Agriculture Courses for SKUAST J Students. This method yields very high success (85 to 95%) during rainy season. The cleft and crown veneer graft methods have been found the most suitable for this species. Augmentation was greater in bilateral clefts (25.5 percent at midline and 16.8 percent laterally) compared with unilateral clefts (11.6 percent at midline and 12.5 percent on the grafted noncleft side). It occupies an area of 154.6 thousand ha. Methods: Prune off the diseased twigs and treat cut ends with Bordeaux paste. GA, 90 ppm, sprayed 30 days before harvest improves the fruit quality at harvest and also increases the shelf life of guava. Symptoms on mature fruits appear as pinkish spots with sticky spore mass in the centre. PALAVRAS-CHAVE: Prunus persica (L.); condições ambientais; propagação. ii) Treat the soil with formaldehyde (1 formaldehyde; 7 water) or gypsum (2 kg/tree) to prevent further spread. Boil until the fruits are soft. For inarching, a cut was made in the 'Paluma' stem, and one of the cattley guava or 'Paluma' seedling was inserted under the bark. Clinical trials are lacking. What is approach grafting? Guava develops best flavour and aroma only when they ripe on tree. As seeds loose viability after extraction, they should be sown immediately. Guava fruit trees (Psidium guajava) are not a common sight in North America and need a decidedly tropical habitat. A completely randomized design was applied with 15 replications. In guava, fruits are borne on current season’s growth.. NPK at the ratio of 2:1:1 in two equally split doses once in January and other in August is recommended. If you enjoyed this article, be our motivation to serve you with great content. Guava (Psidium guajava) is the fourth most important fruit of India in area and production. Successful Guava cultivation is grown under tropical and sub-tropical climate. Stromatic fungal masses appear on the surface of diseased twigs. Being hardy, it gives an assured crop even with little care, and is good for rainfed areas also. Spots usually develop on the tips or margins of leaves. 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