Characteristics of Chlorophyll Metabolism and Chlorophyll Fluorescence in the Silvered Leaf of Summer Squash Characteristics of Chlorophyll Metabolism and Chlorophyll Fluorescence in the Silvered Leaf of Summer Squash Canopy Characters Differences and Effects on Yield in Different Dwarf Type Zucchini Preliminary Studies on Etiology of Summer Squash Bacterial Soft Rot Disease Genetic Effect Analysis on Eight Agronomic Traits of Summer Squash A New Summer Squash Variety —‘Jin xihulu 1’ A New Summer Squash Hybrid for Protected Cultivation ‘Yindie 1’ A New Summer Squash Cultivar‘Heyuli’ Genetic Ana lysis on Five Fruit Characters of Summer Squa sh A New Summer Squash Variety —‘Jin xihulu 1’ A New Summer Squash Hybrid for Protected Cultivation ‘Yindie 1’ Comparison of photosynthetic physiological and anatomical features of gene and virus controlled silver-leaf mottling of summer squash Effects of Squash Silverleaf on Photosynthetic Characteristics and Chloroplast Ultra-structure of the Summer Squash Leaves Preliminary Studies on Etiology of Summer Squash Bacterial Soft Rot Disease Genetic Effect Analysis on Eight Agronomic Traits of Summer Squash