The correct answer is Ber. Explanation:Ber or Indian jujube (Ziziphus mauriticzna) is indigenous fruit to India. Ber is rich in vitamin C, A, and B complex. Ber prefers a hot and dry climate and can tolerate temperatures up to 40ºC. Ber is an extremely drought-tolerant crop because of its deep tap root system and other xerophytic characteristics it possesses. Kaithili, Umran, gola, seo, seb, Banarsi, Chhuhara, Sandhura Narnaul (Sanaur No. 1) and Elaichi are varities of Ber. Ber is propagated by Inverted T budding or by T budding. The fruit fly, Bark eating caterpillar, Hairy caterpillar, and Ber beetle are the pests affecting Ber. Powdery mildew is the most dangerous disease in Ber. Additional Information Centre of Origins of Important Horticultural crops Centre of OriginFruit CropTropical AmericaPapayaCustard AppleAsia Minor to West HimalayaAppleIndiaBerBaelJack FruitKagzilimePhalsaChinaSweet OrangeMandarinLitichiBrazilPineapplePassion fruitCashew NutMexicoSapota, AvacadoPeruGauvaSouth-East AsiaBananaCoconutLemonWest Asia (Iraq)Date palmFigIranPomegranateIndo-BurmaJamun