Practice Horticulture and Details Questions and Answers

• Which planting system in fruit orchards involves planting a fifth tree in the center of each square, increasing the plant density?
• In banana bunch management, the practice of ‘propping’ is used for what primary purpose?
• The banana rootstock ‘Karpuravalli’ is most commonly used for imparting which beneficial trait to scion varieties?
• In mango orchards, which one of the following practices is commonly used to control the serious floral disorder known as malformation?
• ‘Fruit drop’ is a physiological issue observed in many fruit crops. In guava, which plant hormone is commonly applied to reduce premature fruit drop? ...
• In citrus fruits, the disorder ‘granulation’ primarily affects which part of the fruit and reduces its juice content?
• Which type of citrus rootstock is most suitable for saline soils due to its high tolerance to salt and drought conditions?
• Among the different categories of fruit crops, papaya is classified based on its growth habit as which of the following?
• Which mutation breeding-derived variety of French bean was developed at IIHR and is known for early maturity and tender pods?
• What is the general harvest maturity index for cowpea when grown for vegetable purposes?
• The edible portion of the vegetable rhubarb is which plant structure, despite the toxicity of its leaves?
• Which vegetable crop is generally propagated using vine cuttings in commercial production rather than true seed?
• Which physiological disorder is commonly seen in tomato due to rapid fruit growth combined with high humidity, causing cracks on the fruit skin?
• Which wild species of tomato has been explored for imparting drought resistance in commercial cultivars due to its deep root system?
• Which group of compounds is responsible for the pungent smell in radish.?
• Which vegetable is especially prone to internal browning or blackheart due to calcium deficiency and rapid growth under high humidity?
• What is the specific role of mulching in carrot cultivation besides moisture retention?
• Which exotic vegetable, native to the Andes, is now gaining popularity in India for its tuberous roots high in protein and inulin?
• In ridge gourd hybrid seed production, which technique is commonly used to prevent self-pollination in female parent lines?
• Which enzyme is responsible for converting glucosinolates into pungent volatile compounds in Brassicaceae vegetables?
• What is the purpose of blanching cauliflower curds by tying leaves over them during their development?
• Which seed treatment chemical is used to break dormancy in lettuce seeds, especially under high temperature stress?
• In which vegetable crop is the variety ‘Pusa Deepali’ recommended for late sowing and short duration cropping?
• Which carnation variety is known for its long vase life and resistance to calyx splitting?
• Which photoperiodic response is exhibited by tuberose with respect to flowering?
• Which rose rootstock is most suitable for saline soil conditions?
• Which method is most effective for controlling aphid infestation in chrysanthemum cultivation?
• Which floral crop exhibits protandry, where male flowers mature before female ones?
• What is the main reason for applying gibberellic acid (GA ₃ ) in lilium cultivation during the early vegetative phase?
• Which flower crop is mainly propagated through scale leaves rather than conventional cuttings or seeds?
• In rose cultivation, which of the following symptoms is most commonly associated with powdery mildew infestation?
• What is the average vase life (in days) of standard carnations under optimal storage and handling conditions?
• Which of the following plant hormones is known to accelerate flower senescence in many cut flowers like roses?
• Which is the most commonly used support system for standard chrysanthemum plants to prevent lodging during flowering?
• Which pigment is primarily responsible for the red coloration in rose petals?
• The “suckers” used for propagation of tuberose originate from which part of the plant?
• What is the primary use of chrysanthemum cultivars belonging to the “spray type” group?
• Which one of the following rose cultivars is known for producing blue to purple flowers?
• What is the commercially recommended planting depth for gladiolus corms?
• Which of the following is a popular essential oil-yielding jasmine species?