3" Edition © Botanical Name- Psidium guajava Family- Myrtaceae ~ Chromosome number- 2n=22 ® Origin- Peru or Tropical America © Introduced in India in 17" century. 2 Common Name- Poor man’s Apple, Apple of tropics © Fruit type- Berry © Edible part- Thalamus and Pericarp © Climate- Sub-Tropical Climate (Can grow on Tropical climate also) © Based on respiration Guava is Climacteric fruit. © Pollination type- Cross Pollination (25-40%) > Honey bees are the pollinators. Inflorescence- Solitary © Optimum temperature- 23-28°C Storage temperature- 5°C with 75-85 % Relative humidity © Soil - light sandy loam ® pH requirement- 4.5-8.0 (ICAR) Spacing-5 x 6 mor 6x6m Planting Season- June-July > Propagation methods- Stooling, Air layering Pruning-The trées are rarely pruned in North India, but light annual pruning after harvesting to promote vegetative growth and flowering is desirable © The fresh fruits are very rich in vitamin C (100-260 mg/100g pulp) © Flowering and Fruiting- Guava tree flowers throughout the year, but the peak flowering is observed in 2 season, rainy crop (April-May) and winters crop (Aug- Sept) > Bahar treatment ¥ Ambe bahar - Flowering in February -March. Harvesting time is J August. AGRIOFFICERS CHOICE 9669186818, 99268682823" Edition Mrig-bahar(Best)- Flowering June-July, Fruiting time in October- November. ¥ Hasta Bahar - Flowering can be induced in September — October. Harvesting is done in February-March © Bending is done in Guava for better fruiting. © Guava is best for Jelly making. ) Fruits are rich in pectin. The best quality jelly can be prepared; fruits can be canned in sugar syrup or made in to fruit butter, juice preparation and in ice-creams. Shelf-life of guava can be extended up to 20 days by keeping them at low temperature of 5°C and 75-85% relative humidity. © Guava is sensitive to Water logging condition. ® Highest production on Guava is in Uttar Pradesh. “Latest production and productivity data will be covered in Current affairs notes. Varieties 1, Hybrid Y Arka Mridula-Secdless x Allahabad safeda. Developed by IIHR. Fruits are round in shape and weigh about 180g.The TSS is around 12° Brix. Fruits are soft seeded and have a good keeping quality. Y Safed jam- Allahabad safeda X Kohir (Developed by Fruit research station, Andhra Pradesh) Y Kohir safeda- Kohir X Allahabad safeda (Developed by Fruit research station) Andhra Pradesh) 2. Other Varieties v L-49 (Lucknow-49). it is very popular in Maharashtra. ¥ Allahabad Safeda(Fruits are medium in size (180g), round in shape with few seeds). Y Behat coconut (Seedless) Y Chittidar Y Red Fleshed (pink colour flesh). Y Arka kiran Y Lalit Y Pant prabhat Y Hafsi AGRIOFFICERS CHOICE 9669186818, 99268682823" Edition ysiological Disorder 1, Bronzing- Bronzing of guava is caused due to deficiency of Zinc (Zn) Diseases of Guava 1. Guava wilt-Caused by Fusarium spp (Fungus) 2. Anthracnose-Caused by Colletotrichum psidii. 3. Guava canker-Caused by Pestlotia psidii (Fungus) 4. Cercospora leaf spot-Cauised by Cercospora sawadal. Insect/Pest of Guava 1. Fruit Fly-Zoological name- Bactrocera correcta, Bactrocera dorsalis, and Bactrocera zonata. 2. Bark- Eating Caterpillar-Zoological name- Indarbela tetraonis 3. Tailed mealy bug-Zoological name- Ferrisa virgate AGRIOFFICERS CHOICE 9669186818, 9926868282